const winston = require('winston');
const { createClient } = require('@supabase/supabase-js');
const Bot = require('./src/Bot');
require('dotenv').config();

// Import Express and create an app for health checks and webhooks
const express = require('express');
const app = express();

// Middleware for parsing JSON
app.use(express.json());

// Initialize logger
const logger = winston.createLogger({
    level: 'debug',
    format: winston.format.combine(
        winston.format.timestamp(),
        winston.format.json()
    ),
    transports: [
        new winston.transports.Console({
            format: winston.format.combine(
                winston.format.colorize(),
                winston.format.simple()
            )
        })
    ]
});

// Initialize Supabase client
const supabase = createClient(
    process.env.SUPABASE_URL,
    process.env.SUPABASE_KEY
);

// Initialize bot
const bot = new Bot(process.env.DISCORD_TOKEN, supabase, logger);

// Add health check endpoint
app.get('/health', (req, res) => {
    res.status(200).json({ status: 'healthy' });
});

// Add notification webhook endpoint (this will be used by the NotificationService)
app.post('/api/match-notification', async (req, res) => {
    if (bot.notificationService && bot.notificationService.handleMatchNotification) {
        await bot.notificationService.handleMatchNotification(req, res);
    } else {
        res.status(503).json({ error: 'Notification service not ready' });
    }
});

// Start the server
const PORT = process.env.PORT || 3000;
app.listen(PORT, () => {
    logger.info(`Health check server listening on port ${PORT}`);
});

// Initialize and start bot
bot.start().catch(error => {
    console.error('Failed to start bot:', error);
    process.exit(1);
});

// Handle process termination
process.on('SIGINT', async () => {
    console.log('Received SIGINT. Shutting down...');
    try {
        await bot.stop();
        process.exit(0);
    } catch (error) {
        console.error('Error during shutdown:', error);
        process.exit(1);
    }
});

process.on('SIGTERM', async () => {
    console.log('Received SIGTERM. Shutting down...');
    try {
        await bot.stop();
        process.exit(0);
    } catch (error) {
        console.error('Error during shutdown:', error);
        process.exit(1);
    }
});