Add a bunch of untested calculations enhancements based on import script changes

inventory-server/scripts/calculate-metrics.js

@@ -115,7 +115,12 @@ async function calculateMetrics() {
                 elapsed: '0s',
                 remaining: 'Calculating...',
                 rate: 0,
-                percentage: '0'
+                percentage: '0',
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
 
             // Get total number of products
@@ -139,7 +144,12 @@ async function calculateMetrics() {
                     elapsed: global.formatElapsedTime(startTime),
                     remaining: global.estimateRemaining(startTime, processedCount, totalProducts),
                     rate: global.calculateRate(startTime, processedCount),
-                    percentage: '60'
+                    percentage: '60',
+                    timing: {
+                        start_time: new Date(startTime).toISOString(),
+                        end_time: new Date().toISOString(),
+                        elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                    }
                 });
             }
 
@@ -194,7 +204,12 @@ async function calculateMetrics() {
                 elapsed: formatElapsedTime(startTime),
                 remaining: estimateRemaining(startTime, processedCount, totalProducts),
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
 
             if (isCancelled) return processedCount;
@@ -223,7 +238,12 @@ async function calculateMetrics() {
                 elapsed: formatElapsedTime(startTime),
                 remaining: estimateRemaining(startTime, processedCount, totalProducts),
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
 
             if (isCancelled) return processedCount;
@@ -247,6 +267,7 @@ async function calculateMetrics() {
             // Get total count for percentage calculation
             const [rankingCount] = await connection.query('SELECT MAX(rank_num) as total_count FROM temp_revenue_ranks');
             const totalCount = rankingCount[0].total_count || 1;
+            const max_rank = totalCount; // Store max_rank for use in classification
 
             outputProgress({
                 status: 'running',
@@ -256,7 +277,12 @@ async function calculateMetrics() {
                 elapsed: formatElapsedTime(startTime),
                 remaining: estimateRemaining(startTime, processedCount, totalProducts),
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
 
             if (isCancelled) return processedCount;
@@ -282,8 +308,8 @@ async function calculateMetrics() {
                             ELSE 'C'
                         END
                     LIMIT ?
-                `, [totalCount, abcThresholds.a_threshold,
-                    totalCount, abcThresholds.b_threshold,
+                `, [max_rank, abcThresholds.a_threshold,
+                    max_rank, abcThresholds.b_threshold,
                     batchSize]);
 
                 if (pids.length === 0) {
@@ -303,8 +329,8 @@ async function calculateMetrics() {
                         END,
                         pm.last_calculated_at = NOW()
                     WHERE pm.pid IN (?)
-                `, [totalCount, abcThresholds.a_threshold,
-                    totalCount, abcThresholds.b_threshold,
+                `, [max_rank, abcThresholds.a_threshold,
+                    max_rank, abcThresholds.b_threshold,
                     pids.map(row => row.pid)]);
 
                 abcProcessedCount += result.affectedRows;
@@ -318,7 +344,12 @@ async function calculateMetrics() {
                     elapsed: formatElapsedTime(startTime),
                     remaining: estimateRemaining(startTime, processedCount, totalProducts),
                     rate: calculateRate(startTime, processedCount),
-                    percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                    percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                    timing: {
+                        start_time: new Date(startTime).toISOString(),
+                        end_time: new Date().toISOString(),
+                        elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                    }
                 });
 
                 // Small delay between batches to allow other transactions
@@ -337,7 +368,12 @@ async function calculateMetrics() {
                 elapsed: formatElapsedTime(startTime),
                 remaining: '0s',
                 rate: calculateRate(startTime, totalProducts),
-                percentage: '100'
+                percentage: '100',
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
 
             // Clear progress file on successful completion
@@ -353,7 +389,12 @@ async function calculateMetrics() {
                     elapsed: global.formatElapsedTime(startTime),
                     remaining: null,
                     rate: global.calculateRate(startTime, processedCount),
-                    percentage: ((processedCount / (totalProducts || 1)) * 100).toFixed(1)
+                    percentage: ((processedCount / (totalProducts || 1)) * 100).toFixed(1),
+                    timing: {
+                        start_time: new Date(startTime).toISOString(),
+                        end_time: new Date().toISOString(),
+                        elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                    }
                 });
             } else {
                 global.outputProgress({
@@ -364,7 +405,12 @@ async function calculateMetrics() {
                     elapsed: global.formatElapsedTime(startTime),
                     remaining: null,
                     rate: global.calculateRate(startTime, processedCount),
-                    percentage: ((processedCount / (totalProducts || 1)) * 100).toFixed(1)
+                    percentage: ((processedCount / (totalProducts || 1)) * 100).toFixed(1),
+                    timing: {
+                        start_time: new Date(startTime).toISOString(),
+                        end_time: new Date().toISOString(),
+                        elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                    }
                 });
             }
             throw error;

inventory-server/scripts/metrics/brand-metrics.js

@@ -13,7 +13,12 @@ async function calculateBrandMetrics(startTime, totalProducts, processedCount, i
                 elapsed: formatElapsedTime(startTime),
                 remaining: null,
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
             return processedCount;
         }
@@ -26,7 +31,12 @@ async function calculateBrandMetrics(startTime, totalProducts, processedCount, i
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         // Calculate brand metrics with optimized queries
@@ -134,7 +144,12 @@ async function calculateBrandMetrics(startTime, totalProducts, processedCount, i
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -207,7 +222,12 @@ async function calculateBrandMetrics(startTime, totalProducts, processedCount, i
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         return processedCount;

inventory-server/scripts/metrics/category-metrics.js

@@ -13,7 +13,12 @@ async function calculateCategoryMetrics(startTime, totalProducts, processedCount
                 elapsed: formatElapsedTime(startTime),
                 remaining: null,
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
             return processedCount;
         }
@@ -26,7 +31,12 @@ async function calculateCategoryMetrics(startTime, totalProducts, processedCount
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
         
         // First, calculate base category metrics
@@ -67,7 +77,12 @@ async function calculateCategoryMetrics(startTime, totalProducts, processedCount
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -80,19 +95,35 @@ async function calculateCategoryMetrics(startTime, totalProducts, processedCount
                     SUM(o.quantity * o.price) as total_sales,
                     SUM(o.quantity * (o.price - p.cost_price)) as total_margin,
                     SUM(o.quantity) as units_sold,
-                    AVG(GREATEST(p.stock_quantity, 0)) as avg_stock
+                    AVG(GREATEST(p.stock_quantity, 0)) as avg_stock,
+                    COUNT(DISTINCT DATE(o.date)) as active_days
                 FROM product_categories pc
                 JOIN products p ON pc.pid = p.pid
                 JOIN orders o ON p.pid = o.pid
+                LEFT JOIN turnover_config tc ON 
+                    (tc.category_id = pc.cat_id AND tc.vendor = p.vendor) OR
+                    (tc.category_id = pc.cat_id AND tc.vendor IS NULL) OR
+                    (tc.category_id IS NULL AND tc.vendor = p.vendor) OR
+                    (tc.category_id IS NULL AND tc.vendor IS NULL)
                 WHERE o.canceled = false 
-                    AND o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 1 YEAR)
+                    AND o.date >= DATE_SUB(CURRENT_DATE, INTERVAL COALESCE(tc.calculation_period_days, 30) DAY)
                 GROUP BY pc.cat_id
             )
             UPDATE category_metrics cm
             JOIN category_sales cs ON cm.category_id = cs.cat_id
+            LEFT JOIN turnover_config tc ON 
+                (tc.category_id = cm.category_id AND tc.vendor IS NULL) OR
+                (tc.category_id IS NULL AND tc.vendor IS NULL)
             SET 
                 cm.avg_margin = COALESCE(cs.total_margin * 100.0 / NULLIF(cs.total_sales, 0), 0),
-                cm.turnover_rate = LEAST(COALESCE(cs.units_sold / NULLIF(cs.avg_stock, 0), 0), 999.99),
+                cm.turnover_rate = CASE 
+                    WHEN cs.avg_stock > 0 AND cs.active_days > 0 
+                    THEN LEAST(
+                        (cs.units_sold / cs.avg_stock) * (365.0 / cs.active_days),
+                        999.99
+                    )
+                    ELSE 0 
+                END,
                 cm.last_calculated_at = NOW()
         `);
 
@@ -105,7 +136,12 @@ async function calculateCategoryMetrics(startTime, totalProducts, processedCount
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -115,10 +151,11 @@ async function calculateCategoryMetrics(startTime, totalProducts, processedCount
             WITH current_period AS (
                 SELECT 
                     pc.cat_id,
-                    SUM(o.quantity * o.price) as revenue
+                    SUM(o.quantity * o.price) / (1 + COALESCE(ss.seasonality_factor, 0)) as revenue
                 FROM product_categories pc
                 JOIN products p ON pc.pid = p.pid
                 JOIN orders o ON p.pid = o.pid
+                LEFT JOIN sales_seasonality ss ON MONTH(o.date) = ss.month
                 WHERE o.canceled = false 
                     AND o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 3 MONTH)
                 GROUP BY pc.cat_id
@@ -126,23 +163,57 @@ async function calculateCategoryMetrics(startTime, totalProducts, processedCount
             previous_period AS (
                 SELECT 
                     pc.cat_id,
-                    SUM(o.quantity * o.price) as revenue
+                    SUM(o.quantity * o.price) / (1 + COALESCE(ss.seasonality_factor, 0)) as revenue
                 FROM product_categories pc
                 JOIN products p ON pc.pid = p.pid
                 JOIN orders o ON p.pid = o.pid
+                LEFT JOIN sales_seasonality ss ON MONTH(o.date) = ss.month
                 WHERE o.canceled = false 
                     AND o.date BETWEEN DATE_SUB(CURRENT_DATE, INTERVAL 15 MONTH) 
                     AND DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
                 GROUP BY pc.cat_id
+            ),
+            trend_data AS (
+                SELECT 
+                    pc.cat_id,
+                    MONTH(o.date) as month,
+                    SUM(o.quantity * o.price) / (1 + COALESCE(ss.seasonality_factor, 0)) as revenue,
+                    COUNT(DISTINCT DATE(o.date)) as days_in_month
+                FROM product_categories pc
+                JOIN products p ON pc.pid = p.pid
+                JOIN orders o ON p.pid = o.pid
+                LEFT JOIN sales_seasonality ss ON MONTH(o.date) = ss.month
+                WHERE o.canceled = false 
+                    AND o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 15 MONTH)
+                GROUP BY pc.cat_id, MONTH(o.date)
+            ),
+            trend_analysis AS (
+                SELECT 
+                    cat_id,
+                    REGR_SLOPE(revenue / days_in_month, MONTH) as trend_slope,
+                    AVG(revenue / days_in_month) as avg_daily_revenue
+                FROM trend_data
+                GROUP BY cat_id
+                HAVING COUNT(*) >= 6
             )
             UPDATE category_metrics cm
             LEFT JOIN current_period cp ON cm.category_id = cp.cat_id
             LEFT JOIN previous_period pp ON cm.category_id = pp.cat_id
+            LEFT JOIN trend_analysis ta ON cm.category_id = ta.cat_id
             SET 
                 cm.growth_rate = CASE
                     WHEN pp.revenue = 0 AND COALESCE(cp.revenue, 0) > 0 THEN 100.0
                     WHEN pp.revenue = 0 THEN 0.0
-                    ELSE LEAST(
+                    WHEN ta.trend_slope IS NOT NULL THEN
+                        LEAST(
+                            GREATEST(
+                                (ta.trend_slope / NULLIF(ta.avg_daily_revenue, 0)) * 365 * 100,
+                                -100.0
+                            ),
+                            999.99
+                        )
+                    ELSE
+                        LEAST(
                             GREATEST(
                                 ((COALESCE(cp.revenue, 0) - pp.revenue) / pp.revenue) * 100.0,
                                 -100.0
@@ -163,7 +234,12 @@ async function calculateCategoryMetrics(startTime, totalProducts, processedCount
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -210,19 +286,119 @@ async function calculateCategoryMetrics(startTime, totalProducts, processedCount
                 total_value = VALUES(total_value),
                 total_revenue = VALUES(total_revenue),
                 avg_margin = VALUES(avg_margin),
-                turnover_rate = VALUES(turnover_rate)
+                turnover_rate = VALUES(turnover_rate),
+                last_calculated_at = CURRENT_TIMESTAMP
         `);
 
         processedCount = Math.floor(totalProducts * 0.99);
         outputProgress({
             status: 'running',
-            operation: 'Time-based metrics calculated',
+            operation: 'Time-based metrics calculated, updating category-sales metrics',
             current: processedCount,
             total: totalProducts,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
+        });
+
+        if (isCancelled) return processedCount;
+
+        // Calculate category-sales metrics
+        await connection.query(`
+            INSERT INTO category_sales_metrics (
+                category_id,
+                brand,
+                period_start,
+                period_end,
+                avg_daily_sales,
+                total_sold,
+                num_products,
+                avg_price,
+                last_calculated_at
+            )
+            WITH date_ranges AS (
+                SELECT 
+                    DATE_SUB(CURRENT_DATE, INTERVAL 30 DAY) as period_start,
+                    CURRENT_DATE as period_end
+                UNION ALL
+                SELECT 
+                    DATE_SUB(CURRENT_DATE, INTERVAL 90 DAY),
+                    DATE_SUB(CURRENT_DATE, INTERVAL 31 DAY)
+                UNION ALL
+                SELECT 
+                    DATE_SUB(CURRENT_DATE, INTERVAL 180 DAY),
+                    DATE_SUB(CURRENT_DATE, INTERVAL 91 DAY)
+                UNION ALL
+                SELECT 
+                    DATE_SUB(CURRENT_DATE, INTERVAL 365 DAY),
+                    DATE_SUB(CURRENT_DATE, INTERVAL 181 DAY)
+            ),
+            sales_data AS (
+                SELECT 
+                    pc.cat_id,
+                    p.brand,
+                    dr.period_start,
+                    dr.period_end,
+                    COUNT(DISTINCT p.pid) as num_products,
+                    SUM(o.quantity) as total_sold,
+                    SUM(o.quantity * o.price) as total_revenue,
+                    COUNT(DISTINCT DATE(o.date)) as num_days
+                FROM products p
+                JOIN product_categories pc ON p.pid = pc.pid
+                JOIN orders o ON p.pid = o.pid
+                CROSS JOIN date_ranges dr
+                WHERE o.canceled = false
+                    AND o.date BETWEEN dr.period_start AND dr.period_end
+                GROUP BY pc.cat_id, p.brand, dr.period_start, dr.period_end
+            )
+            SELECT 
+                cat_id as category_id,
+                brand,
+                period_start,
+                period_end,
+                CASE 
+                    WHEN num_days > 0 
+                    THEN total_sold / num_days 
+                    ELSE 0 
+                END as avg_daily_sales,
+                total_sold,
+                num_products,
+                CASE 
+                    WHEN total_sold > 0 
+                    THEN total_revenue / total_sold 
+                    ELSE 0 
+                END as avg_price,
+                NOW() as last_calculated_at
+            FROM sales_data
+            ON DUPLICATE KEY UPDATE
+                avg_daily_sales = VALUES(avg_daily_sales),
+                total_sold = VALUES(total_sold),
+                num_products = VALUES(num_products),
+                avg_price = VALUES(avg_price),
+                last_calculated_at = VALUES(last_calculated_at)
+        `);
+
+        processedCount = Math.floor(totalProducts * 1.0);
+        outputProgress({
+            status: 'running',
+            operation: 'Category-sales metrics calculated',
+            current: processedCount,
+            total: totalProducts,
+            elapsed: formatElapsedTime(startTime),
+            remaining: estimateRemaining(startTime, processedCount, totalProducts),
+            rate: calculateRate(startTime, processedCount),
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         return processedCount;

inventory-server/scripts/metrics/financial-metrics.js

@@ -13,7 +13,12 @@ async function calculateFinancialMetrics(startTime, totalProducts, processedCoun
                 elapsed: formatElapsedTime(startTime),
                 remaining: null,
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
             return processedCount;
         }
@@ -26,7 +31,12 @@ async function calculateFinancialMetrics(startTime, totalProducts, processedCoun
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         // Calculate financial metrics with optimized query
@@ -59,7 +69,8 @@ async function calculateFinancialMetrics(startTime, totalProducts, processedCoun
                     WHEN COALESCE(pf.inventory_value, 0) > 0 AND pf.active_days > 0 THEN 
                         (COALESCE(pf.gross_profit, 0) * (365.0 / pf.active_days)) / COALESCE(pf.inventory_value, 0)
                     ELSE 0 
-                END
+                END,
+                pm.last_calculated_at = CURRENT_TIMESTAMP
         `);
 
         processedCount = Math.floor(totalProducts * 0.65);
@@ -71,7 +82,12 @@ async function calculateFinancialMetrics(startTime, totalProducts, processedCoun
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -103,7 +119,8 @@ async function calculateFinancialMetrics(startTime, totalProducts, processedCoun
                     WHEN COALESCE(mf.inventory_value, 0) > 0 AND mf.active_days > 0 THEN 
                         (COALESCE(mf.gross_profit, 0) * (365.0 / mf.active_days)) / COALESCE(mf.inventory_value, 0)
                     ELSE 0 
-                END
+                END,
+                pta.last_calculated_at = CURRENT_TIMESTAMP
         `);
 
         processedCount = Math.floor(totalProducts * 0.70);
@@ -115,7 +132,12 @@ async function calculateFinancialMetrics(startTime, totalProducts, processedCoun
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         return processedCount;

inventory-server/scripts/metrics/product-metrics.js

@@ -25,7 +25,12 @@ async function calculateProductMetrics(startTime, totalProducts, processedCount
                 elapsed: formatElapsedTime(startTime),
                 remaining: null,
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
             return processedCount;
         }
@@ -40,7 +45,12 @@ async function calculateProductMetrics(startTime, totalProducts, processedCount
                 elapsed: formatElapsedTime(startTime),
                 remaining: estimateRemaining(startTime, processedCount, totalProducts),
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
 
             // Calculate base metrics
@@ -77,6 +87,16 @@ async function calculateProductMetrics(startTime, totalProducts, processedCount
                     END,
                     pm.first_sale_date = stats.first_sale_date,
                     pm.last_sale_date = stats.last_sale_date,
+                    pm.days_of_inventory = CASE 
+                        WHEN COALESCE(stats.total_quantity / NULLIF(stats.active_days, 0), 0) > 0 
+                        THEN FLOOR(p.stock_quantity / (stats.total_quantity / stats.active_days))
+                        ELSE NULL 
+                    END,
+                    pm.weeks_of_inventory = CASE 
+                        WHEN COALESCE(stats.total_quantity / NULLIF(stats.active_days, 0), 0) > 0 
+                        THEN FLOOR(p.stock_quantity / (stats.total_quantity / stats.active_days) / 7)
+                        ELSE NULL 
+                    END,
                     pm.gmroi = CASE 
                         WHEN COALESCE(stats.inventory_value, 0) > 0 
                         THEN (stats.total_revenue - stats.cost_of_goods_sold) / stats.inventory_value
@@ -85,6 +105,38 @@ async function calculateProductMetrics(startTime, totalProducts, processedCount
                     pm.last_calculated_at = NOW()
             `);
 
+            // Calculate forecast accuracy and bias
+            await connection.query(`
+                WITH forecast_accuracy AS (
+                    SELECT 
+                        sf.pid,
+                        AVG(CASE 
+                            WHEN o.quantity > 0 
+                            THEN ABS(sf.forecast_units - o.quantity) / o.quantity * 100
+                            ELSE 100 
+                        END) as avg_forecast_error,
+                        AVG(CASE 
+                            WHEN o.quantity > 0 
+                            THEN (sf.forecast_units - o.quantity) / o.quantity * 100
+                            ELSE 0 
+                        END) as avg_forecast_bias,
+                        MAX(sf.forecast_date) as last_forecast_date
+                    FROM sales_forecasts sf
+                    JOIN orders o ON sf.pid = o.pid 
+                        AND DATE(o.date) = sf.forecast_date
+                    WHERE o.canceled = false
+                        AND sf.forecast_date >= DATE_SUB(CURRENT_DATE, INTERVAL 90 DAY)
+                    GROUP BY sf.pid
+                )
+                UPDATE product_metrics pm
+                JOIN forecast_accuracy fa ON pm.pid = fa.pid
+                SET 
+                    pm.forecast_accuracy = GREATEST(0, 100 - LEAST(fa.avg_forecast_error, 100)),
+                    pm.forecast_bias = GREATEST(-100, LEAST(fa.avg_forecast_bias, 100)),
+                    pm.last_forecast_date = fa.last_forecast_date,
+                    pm.last_calculated_at = NOW()
+            `);
+
             processedCount = Math.floor(totalProducts * 0.4);
             outputProgress({
                 status: 'running',
@@ -94,7 +146,12 @@ async function calculateProductMetrics(startTime, totalProducts, processedCount
                 elapsed: formatElapsedTime(startTime),
                 remaining: estimateRemaining(startTime, processedCount, totalProducts),
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
         } else {
             processedCount = Math.floor(totalProducts * 0.4);
@@ -106,7 +163,12 @@ async function calculateProductMetrics(startTime, totalProducts, processedCount
                 elapsed: formatElapsedTime(startTime),
                 remaining: estimateRemaining(startTime, processedCount, totalProducts),
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
         }
 
@@ -122,7 +184,12 @@ async function calculateProductMetrics(startTime, totalProducts, processedCount
                 elapsed: formatElapsedTime(startTime),
                 remaining: estimateRemaining(startTime, processedCount, totalProducts),
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
 
             // Calculate time-based aggregates
@@ -172,7 +239,8 @@ async function calculateProductMetrics(startTime, totalProducts, processedCount
                     avg_price = VALUES(avg_price),
                     profit_margin = VALUES(profit_margin),
                     inventory_value = VALUES(inventory_value),
-                    gmroi = VALUES(gmroi)
+                    gmroi = VALUES(gmroi),
+                    last_calculated_at = CURRENT_TIMESTAMP
             `);
 
             processedCount = Math.floor(totalProducts * 0.6);
@@ -184,7 +252,12 @@ async function calculateProductMetrics(startTime, totalProducts, processedCount
                 elapsed: formatElapsedTime(startTime),
                 remaining: estimateRemaining(startTime, processedCount, totalProducts),
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
         } else {
             processedCount = Math.floor(totalProducts * 0.6);
@@ -196,7 +269,12 @@ async function calculateProductMetrics(startTime, totalProducts, processedCount
                 elapsed: formatElapsedTime(startTime),
                 remaining: estimateRemaining(startTime, processedCount, totalProducts),
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
         }
 

inventory-server/scripts/metrics/sales-forecasts.js

@@ -13,7 +13,12 @@ async function calculateSalesForecasts(startTime, totalProducts, processedCount,
                 elapsed: formatElapsedTime(startTime),
                 remaining: null,
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
             return processedCount;
         }
@@ -26,7 +31,12 @@ async function calculateSalesForecasts(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         // First, create a temporary table for forecast dates
@@ -65,7 +75,12 @@ async function calculateSalesForecasts(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -94,7 +109,12 @@ async function calculateSalesForecasts(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -119,7 +139,12 @@ async function calculateSalesForecasts(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -181,7 +206,12 @@ async function calculateSalesForecasts(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -221,7 +251,12 @@ async function calculateSalesForecasts(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -292,7 +327,12 @@ async function calculateSalesForecasts(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         return processedCount;

inventory-server/scripts/metrics/time-aggregates.js

@@ -13,7 +13,12 @@ async function calculateTimeAggregates(startTime, totalProducts, processedCount,
                 elapsed: formatElapsedTime(startTime),
                 remaining: null,
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
             return processedCount;
         }
@@ -26,7 +31,12 @@ async function calculateTimeAggregates(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         // Initial insert of time-based aggregates
@@ -71,10 +81,40 @@ async function calculateTimeAggregates(startTime, totalProducts, processedCount,
                     YEAR(date) as year,
                     MONTH(date) as month,
                     SUM(received) as stock_received,
-                    SUM(ordered) as stock_ordered
+                    SUM(ordered) as stock_ordered,
+                    COUNT(DISTINCT CASE WHEN receiving_status = 40 THEN id END) as fulfilled_orders,
+                    COUNT(DISTINCT id) as total_orders,
+                    AVG(CASE 
+                        WHEN receiving_status = 40 
+                        THEN DATEDIFF(received_date, date)
+                    END) as avg_lead_time,
+                    SUM(CASE 
+                        WHEN receiving_status = 40 AND received_date > expected_date 
+                        THEN 1 ELSE 0 
+                    END) as late_deliveries
                 FROM purchase_orders
-                WHERE status = 50
                 GROUP BY pid, YEAR(date), MONTH(date)
+            ),
+            stock_trends AS (
+                SELECT 
+                    p.pid,
+                    YEAR(po.date) as year,
+                    MONTH(po.date) as month,
+                    AVG(p.stock_quantity) as avg_stock_level,
+                    STDDEV(p.stock_quantity) as stock_volatility,
+                    SUM(CASE 
+                        WHEN p.stock_quantity <= COALESCE(pm.reorder_point, 5) 
+                        THEN 1 ELSE 0 
+                    END) as days_below_reorder,
+                    COUNT(*) as total_days
+                FROM products p
+                CROSS JOIN (
+                    SELECT DISTINCT DATE(date) as date
+                    FROM purchase_orders
+                    WHERE date >= DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
+                ) po
+                LEFT JOIN product_metrics pm ON p.pid = pm.pid
+                GROUP BY p.pid, YEAR(po.date), MONTH(po.date)
             )
             SELECT 
                 s.pid,
@@ -87,12 +127,24 @@ async function calculateTimeAggregates(startTime, totalProducts, processedCount,
                 COALESCE(p.stock_received, 0) as stock_received,
                 COALESCE(p.stock_ordered, 0) as stock_ordered,
                 s.avg_price,
-                s.profit_margin
+                s.profit_margin,
+                COALESCE(p.fulfilled_orders, 0) as fulfilled_orders,
+                COALESCE(p.total_orders, 0) as total_orders,
+                COALESCE(p.avg_lead_time, 0) as avg_lead_time,
+                COALESCE(p.late_deliveries, 0) as late_deliveries,
+                COALESCE(st.avg_stock_level, 0) as avg_stock_level,
+                COALESCE(st.stock_volatility, 0) as stock_volatility,
+                COALESCE(st.days_below_reorder, 0) as days_below_reorder,
+                COALESCE(st.total_days, 0) as total_days
             FROM sales_data s
             LEFT JOIN purchase_data p 
                 ON s.pid = p.pid 
                 AND s.year = p.year 
                 AND s.month = p.month
+            LEFT JOIN stock_trends st
+                ON s.pid = st.pid
+                AND s.year = st.year
+                AND s.month = st.month
             UNION
             SELECT 
                 p.pid,
@@ -105,12 +157,24 @@ async function calculateTimeAggregates(startTime, totalProducts, processedCount,
                 p.stock_received,
                 p.stock_ordered,
                 0 as avg_price,
-                0 as profit_margin
+                0 as profit_margin,
+                p.fulfilled_orders,
+                p.total_orders,
+                p.avg_lead_time,
+                p.late_deliveries,
+                st.avg_stock_level,
+                st.stock_volatility,
+                st.days_below_reorder,
+                st.total_days
             FROM purchase_data p
             LEFT JOIN sales_data s
                 ON p.pid = s.pid 
                 AND p.year = s.year 
                 AND p.month = s.month
+            LEFT JOIN stock_trends st
+                ON p.pid = st.pid
+                AND p.year = st.year
+                AND p.month = st.month
             WHERE s.pid IS NULL
             ON DUPLICATE KEY UPDATE
                 total_quantity_sold = VALUES(total_quantity_sold),
@@ -120,7 +184,8 @@ async function calculateTimeAggregates(startTime, totalProducts, processedCount,
                 stock_received = VALUES(stock_received),
                 stock_ordered = VALUES(stock_ordered),
                 avg_price = VALUES(avg_price),
-                profit_margin = VALUES(profit_margin)
+                profit_margin = VALUES(profit_margin),
+                last_calculated_at = CURRENT_TIMESTAMP
         `);
 
         processedCount = Math.floor(totalProducts * 0.60);
@@ -132,7 +197,12 @@ async function calculateTimeAggregates(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -161,7 +231,8 @@ async function calculateTimeAggregates(startTime, totalProducts, processedCount,
                     WHEN COALESCE(fin.inventory_value, 0) > 0 AND fin.days_in_period > 0 THEN 
                         (COALESCE(fin.gross_profit, 0) * (365.0 / fin.days_in_period)) / COALESCE(fin.inventory_value, 0)
                     ELSE 0 
-                END
+                END,
+                pta.last_calculated_at = CURRENT_TIMESTAMP
         `);
 
         processedCount = Math.floor(totalProducts * 0.65);
@@ -173,7 +244,12 @@ async function calculateTimeAggregates(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         return processedCount;

inventory-server/scripts/metrics/vendor-metrics.js

@@ -13,7 +13,12 @@ async function calculateVendorMetrics(startTime, totalProducts, processedCount,
                 elapsed: formatElapsedTime(startTime),
                 remaining: null,
                 rate: calculateRate(startTime, processedCount),
-                percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+                percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+                timing: {
+                    start_time: new Date(startTime).toISOString(),
+                    end_time: new Date().toISOString(),
+                    elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+                }
             });
             return processedCount;
         }
@@ -26,7 +31,12 @@ async function calculateVendorMetrics(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         // First ensure all vendors exist in vendor_details
@@ -50,7 +60,12 @@ async function calculateVendorMetrics(startTime, totalProducts, processedCount,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         if (isCancelled) return processedCount;
@@ -68,6 +83,8 @@ async function calculateVendorMetrics(startTime, totalProducts, processedCount,
                 avg_order_value,
                 active_products,
                 total_products,
+                total_purchase_value,
+                avg_margin_percent,
                 status,
                 last_calculated_at
             )
@@ -76,7 +93,8 @@ async function calculateVendorMetrics(startTime, totalProducts, processedCount,
                     p.vendor,
                     SUM(o.quantity * o.price) as total_revenue,
                     COUNT(DISTINCT o.id) as total_orders,
-                    COUNT(DISTINCT p.pid) as active_products
+                    COUNT(DISTINCT p.pid) as active_products,
+                    SUM(o.quantity * (o.price - p.cost_price)) as total_margin
                 FROM products p
                 JOIN orders o ON p.pid = o.pid
                 WHERE o.canceled = false
@@ -91,7 +109,8 @@ async function calculateVendorMetrics(startTime, totalProducts, processedCount,
                     AVG(CASE 
                         WHEN po.receiving_status = 40 
                         THEN DATEDIFF(po.received_date, po.date) 
-                    END) as avg_lead_time_days
+                    END) as avg_lead_time_days,
+                    SUM(po.ordered * po.po_cost_price) as total_purchase_value
                 FROM products p
                 JOIN purchase_orders po ON p.pid = po.pid
                 WHERE po.date >= DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
@@ -127,6 +146,12 @@ async function calculateVendorMetrics(startTime, totalProducts, processedCount,
                 END as avg_order_value,
                 COALESCE(vs.active_products, 0) as active_products,
                 COALESCE(vpr.total_products, 0) as total_products,
+                COALESCE(vp.total_purchase_value, 0) as total_purchase_value,
+                CASE 
+                    WHEN vs.total_revenue > 0 
+                    THEN (vs.total_margin / vs.total_revenue) * 100 
+                    ELSE 0 
+                END as avg_margin_percent,
                 'active' as status,
                 NOW() as last_calculated_at
             FROM vendor_sales vs
@@ -143,6 +168,8 @@ async function calculateVendorMetrics(startTime, totalProducts, processedCount,
                 avg_order_value = VALUES(avg_order_value),
                 active_products = VALUES(active_products),
                 total_products = VALUES(total_products),
+                total_purchase_value = VALUES(total_purchase_value),
+                avg_margin_percent = VALUES(avg_margin_percent),
                 status = VALUES(status),
                 last_calculated_at = VALUES(last_calculated_at)
         `);
@@ -150,13 +177,111 @@ async function calculateVendorMetrics(startTime, totalProducts, processedCount,
         processedCount = Math.floor(totalProducts * 0.9);
         outputProgress({
             status: 'running',
-            operation: 'Vendor metrics calculated',
+            operation: 'Vendor metrics calculated, updating time-based metrics',
             current: processedCount,
             total: totalProducts,
             elapsed: formatElapsedTime(startTime),
             remaining: estimateRemaining(startTime, processedCount, totalProducts),
             rate: calculateRate(startTime, processedCount),
-            percentage: ((processedCount / totalProducts) * 100).toFixed(1)
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
+        });
+
+        if (isCancelled) return processedCount;
+
+        // Calculate time-based metrics
+        await connection.query(`
+            INSERT INTO vendor_time_metrics (
+                vendor,
+                year,
+                month,
+                total_orders,
+                late_orders,
+                avg_lead_time_days,
+                total_purchase_value,
+                total_revenue,
+                avg_margin_percent
+            )
+            WITH monthly_orders AS (
+                SELECT 
+                    p.vendor,
+                    YEAR(o.date) as year,
+                    MONTH(o.date) as month,
+                    COUNT(DISTINCT o.id) as total_orders,
+                    SUM(o.quantity * o.price) as total_revenue,
+                    SUM(o.quantity * (o.price - p.cost_price)) as total_margin
+                FROM products p
+                JOIN orders o ON p.pid = o.pid
+                WHERE o.canceled = false
+                    AND o.date >= DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
+                GROUP BY p.vendor, YEAR(o.date), MONTH(o.date)
+            ),
+            monthly_po AS (
+                SELECT 
+                    p.vendor,
+                    YEAR(po.date) as year,
+                    MONTH(po.date) as month,
+                    COUNT(DISTINCT po.id) as total_po,
+                    COUNT(DISTINCT CASE 
+                        WHEN po.receiving_status = 40 AND po.received_date > po.expected_date 
+                        THEN po.id 
+                    END) as late_orders,
+                    AVG(CASE 
+                        WHEN po.receiving_status = 40 
+                        THEN DATEDIFF(po.received_date, po.date)
+                    END) as avg_lead_time_days,
+                    SUM(po.ordered * po.po_cost_price) as total_purchase_value
+                FROM products p
+                JOIN purchase_orders po ON p.pid = po.pid
+                WHERE po.date >= DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH)
+                GROUP BY p.vendor, YEAR(po.date), MONTH(po.date)
+            )
+            SELECT 
+                mo.vendor,
+                mo.year,
+                mo.month,
+                COALESCE(mp.total_po, 0) as total_orders,
+                COALESCE(mp.late_orders, 0) as late_orders,
+                COALESCE(mp.avg_lead_time_days, 0) as avg_lead_time_days,
+                COALESCE(mp.total_purchase_value, 0) as total_purchase_value,
+                COALESCE(mo.total_revenue, 0) as total_revenue,
+                CASE 
+                    WHEN mo.total_revenue > 0 
+                    THEN (mo.total_margin / mo.total_revenue) * 100 
+                    ELSE 0 
+                END as avg_margin_percent
+            FROM monthly_orders mo
+            LEFT JOIN monthly_po mp ON mo.vendor = mp.vendor 
+                AND mo.year = mp.year 
+                AND mo.month = mp.month
+            ON DUPLICATE KEY UPDATE
+                total_orders = VALUES(total_orders),
+                late_orders = VALUES(late_orders),
+                avg_lead_time_days = VALUES(avg_lead_time_days),
+                total_purchase_value = VALUES(total_purchase_value),
+                total_revenue = VALUES(total_revenue),
+                avg_margin_percent = VALUES(avg_margin_percent)
+        `);
+
+        processedCount = Math.floor(totalProducts * 0.95);
+        outputProgress({
+            status: 'running',
+            operation: 'Time-based vendor metrics calculated',
+            current: processedCount,
+            total: totalProducts,
+            elapsed: formatElapsedTime(startTime),
+            remaining: estimateRemaining(startTime, processedCount, totalProducts),
+            rate: calculateRate(startTime, processedCount),
+            percentage: ((processedCount / totalProducts) * 100).toFixed(1),
+            timing: {
+                start_time: new Date(startTime).toISOString(),
+                end_time: new Date().toISOString(),
+                elapsed_seconds: Math.round((Date.now() - startTime) / 1000)
+            }
         });
 
         return processedCount;