From 81e6f51cd0e020bb47d75b1fc484903efe0856b5 Mon Sep 17 00:00:00 2001
From: fcarraUniSa <fcarra@unisa.it>
Date: Tue, 17 Feb 2026 00:38:40 +0100
Subject: [PATCH] Update db.js

---
 backend/db.js | 61 +++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 54 insertions(+), 7 deletions(-)

diff --git a/backend/db.js b/backend/db.js
index ae0dea3..73dc080 100644
--- a/backend/db.js
+++ b/backend/db.js
@@ -1,19 +1,29 @@
-
 import mysql from 'mysql2/promise';
 import dotenv from 'dotenv';
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
 
 dotenv.config();
 
-const pool = mysql.createPool({
+// Fix per __dirname in ES Modules
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+// Configurazione DB con gestione esplicita della porta e casting a numero
+const dbConfig = {
   host: process.env.DB_HOST || 'db',
-  port: process.env.DB_PORT || 3306,
+  port: Number(process.env.DB_PORT) || 3306, // Importante: converte la stringa ENV in numero
   user: process.env.DB_USER || 'omni_user',
   password: process.env.DB_PASSWORD || 'omni_pass',
   database: process.env.DB_NAME || 'omnisupport',
   waitForConnections: true,
   connectionLimit: 10,
-  queueLimit: 0
-});
+  queueLimit: 0,
+  multipleStatements: true // Necessario per eseguire schema.sql che contiene più query
+};
+
+const pool = mysql.createPool(dbConfig);
 
 export const query = async (sql, params) => {
   try {
@@ -30,10 +40,47 @@ export const checkConnection = async () => {
     const connection = await pool.getConnection();
     await connection.ping();
     connection.release();
-    console.log('✅ Connected to MySQL Database');
+    // Log che conferma l'host e la porta utilizzati (utile per debug esterni)
+    console.log(`✅ Connected to MySQL Database at ${dbConfig.host}:${dbConfig.port}`);
     return true;
   } catch (error) {
-    console.error('❌ Database connection failed:', error.message);
+    console.error(`❌ Database connection failed (${dbConfig.host}:${dbConfig.port}):`, error.message);
     return false;
   }
 };
+
+export const initDb = async () => {
+  try {
+    console.log(`🔌 Attempting connection to database at ${dbConfig.host}:${dbConfig.port}...`);
+    
+    // Verifica che la connessione sia attiva prima di provare a inizializzare
+    const isConnected = await checkConnection();
+    if (!isConnected) {
+        console.error("❌ Skipping initialization due to connection failure.");
+        return;
+    }
+
+    // Controlla se la tabella 'agents' esiste già
+    // Se esiste, assumiamo che il DB sia già popolato e non facciamo nulla per evitare sovrascritture
+    const [rows] = await pool.query("SHOW TABLES LIKE 'agents'");
+    
+    if (Array.isArray(rows) && rows.length > 0) {
+      console.log('ℹ️ Database tables already exist. Skipping initialization.');
+      return;
+    }
+
+    console.log('⚠️ Database empty or uninitialized. Running schema.sql...');
+
+    const schemaPath = path.join(__dirname, 'schema.sql');
+    const schemaSql = fs.readFileSync(schemaPath, 'utf8');
+
+    // Eseguiamo lo script SQL completo
+    await pool.query(schemaSql);
+
+    console.log('✅ Database initialized successfully with schema and seed data.');
+    console.log('👤 Superadmin created: fcarra79@gmail.com');
+
+  } catch (error) {
+    console.error('❌ Failed to initialize database:', error);
+  }
+};