Move authentication to postgres

inventory-server/auth/add-user.js

@@ -0,0 +1,103 @@
+require('dotenv').config({ path: '../.env' });
+const bcrypt = require('bcrypt');
+const { Pool } = require('pg');
+const inquirer = require('inquirer');
+
+// Log connection details for debugging (remove in production)
+console.log('Attempting to connect with:', {
+  host: process.env.DB_HOST,
+  user: process.env.DB_USER,
+  database: process.env.DB_NAME,
+  port: process.env.DB_PORT
+});
+
+const pool = new Pool({
+  host: process.env.DB_HOST,
+  user: process.env.DB_USER,
+  password: process.env.DB_PASSWORD,
+  database: process.env.DB_NAME,
+  port: process.env.DB_PORT,
+});
+
+async function promptUser() {
+  const questions = [
+    {
+      type: 'input',
+      name: 'username',
+      message: 'Enter username:',
+      validate: (input) => {
+        if (input.length < 3) {
+          return 'Username must be at least 3 characters long';
+        }
+        return true;
+      }
+    },
+    {
+      type: 'password',
+      name: 'password',
+      message: 'Enter password:',
+      mask: '*',
+      validate: (input) => {
+        if (input.length < 8) {
+          return 'Password must be at least 8 characters long';
+        }
+        return true;
+      }
+    },
+    {
+      type: 'password',
+      name: 'confirmPassword',
+      message: 'Confirm password:',
+      mask: '*',
+      validate: (input, answers) => {
+        if (input !== answers.password) {
+          return 'Passwords do not match';
+        }
+        return true;
+      }
+    }
+  ];
+
+  return inquirer.prompt(questions);
+}
+
+async function addUser() {
+  try {
+    // Get user input
+    const answers = await promptUser();
+    const { username, password } = answers;
+
+    // Hash password
+    const saltRounds = 10;
+    const hashedPassword = await bcrypt.hash(password, saltRounds);
+
+    // Check if user already exists
+    const checkResult = await pool.query(
+      'SELECT id FROM users WHERE username = $1',
+      [username]
+    );
+
+    if (checkResult.rows.length > 0) {
+      console.error('Error: Username already exists');
+      process.exit(1);
+    }
+
+    // Insert new user
+    const result = await pool.query(
+      'INSERT INTO users (username, password) VALUES ($1, $2) RETURNING id',
+      [username, hashedPassword]
+    );
+
+    console.log(`User ${username} created successfully with id ${result.rows[0].id}`);
+  } catch (error) {
+    console.error('Error creating user:', error);
+    console.error('Error details:', error.message);
+    if (error.code) {
+      console.error('Error code:', error.code);
+    }
+  } finally {
+    await pool.end();
+  }
+}
+
+addUser();