const { Sequelize } = require('sequelize');
const logger = require('../utils/logger');
const { getConfig } = require('./databaseConfig');

const sequelize = new Sequelize(getConfig());

// Test database connection
const testConnection = async () => {
  try {
    await sequelize.authenticate();
    logger.info('Database connection established successfully');
    return true;
  } catch (error) {
    logger.error('Unable to connect to the database:', error);
    return false;
  }
};

// Sync database (create tables)
const syncDatabase = async (force = false) => {
  try {
    await sequelize.sync({ force, alter: !force });
    logger.info(`Database synchronized successfully (force: ${force})`);
    return true;
  } catch (error) {
    logger.error('Database synchronization failed:', error);
    return false;
  }
};

// Drop all tables
const dropDatabase = async () => {
  try {
    await sequelize.drop();
    logger.info('Database dropped successfully');
    return true;
  } catch (error) {
    logger.error('Database drop failed:', error);
    return false;
  }
};

// Close database connection
const closeConnection = async () => {
  try {
    await sequelize.close();
    logger.info('Database connection closed');
    return true;
  } catch (error) {
    logger.error('Error closing database connection:', error);
    return false;
  }
};

module.exports = { 
  sequelize, 
  testConnection, 
  syncDatabase, 
  dropDatabase, 
  closeConnection 
};