const http = require('http');

const PORT = process.env.PORT || 3000;

const server = http.createServer((req, res) => {
    // Set CORS headers
    res.setHeader('Access-Control-Allow-Origin', '*');
    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
    res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');

    // Handle preflight requests
    if (req.method === 'OPTIONS') {
        res.writeHead(200);
        res.end();
        return;
    }

    // Set content type
    res.setHeader('Content-Type', 'text/html; charset=utf-8');

    // Handle different routes
    switch (req.url) {
        case '/api/deploy':
            if (req.method === 'POST') {
                let body = '';
                req.on('data', chunk => {
                    body += chunk.toString();
                });
                req.on('end', async () => {
                    try {
                        await deploy();
                        console.log('Deployed');
                    } catch (error) {
                        console.error('Error deploying:', error);
                    }
                    res.writeHead(200, { 'Content-Type': 'application/json' });
                    res.end(JSON.stringify({
                        message: 'Echo response',
                        received: body,
                        timestamp: new Date().toISOString()
                    }));
                });
            } else {
                res.writeHead(405, { 'Content-Type': 'application/json' });
                res.end(JSON.stringify({ error: 'Method not allowed. Use POST.' }));
            }
            break;

        case '/api/deploy-crm-admin':
            if (req.method === 'POST') {
                let body = '';
                req.on('data', chunk => {
                    body += chunk.toString();
                });
                req.on('end', async () => {
                    // try {
                    //     await deployCrmAdmin();
                    //     console.log('Deployed CRM Admin');
                    // } catch (error) {
                    //     console.error('Error deploying:', error);
                    // }
                    res.writeHead(200, { 'Content-Type': 'application/json' });
                    res.end(JSON.stringify({
                        message: 'Echo response',
                        received: body,
                        timestamp: new Date().toISOString()
                    }));
                });
            } else {
                res.writeHead(405, { 'Content-Type': 'application/json' });
                res.end(JSON.stringify({ error: 'Method not allowed. Use POST.' }));
            }
            break;

        default:
            res.writeHead(404, { 'Content-Type': 'application/json' });
            res.end(JSON.stringify({ error: 'Not found' }));
    }
});

server.listen(PORT, () => {
    console.log(`🚀 Server running at http://localhost:${PORT}`);
    console.log(`📱 API endpoints available at http://localhost:${PORT}/api/*`);
    console.log(`⏰ Started at ${new Date().toLocaleString()}`);
});

// Graceful shutdown
process.on('SIGTERM', () => {
    console.log('SIGTERM received, shutting down gracefully');
    server.close(() => {
        console.log('Process terminated');
    });
});

process.on('SIGINT', () => {
    console.log('SIGINT received, shutting down gracefully');
    server.close(() => {
        console.log('Process terminated');
    });
});

const deploy = () => {
    console.log('Deploying...');
    return new Promise((resolve, reject) => {
        const { exec } = require('child_process');
        exec('cd ../gitea-backend && bash dummy.sh', (error, stdout, stderr) => {
            if (error) {
                console.error(`Error: ${error.message}`);
                reject(error);
                return;
            }
            //if (stderr) {
            //console.error(`Error: ${stderr}`);
            //reject(stderr);
            //return;
            //}
            console.log(`Output: ${stdout}`);
            resolve();
        });
    });
}

const deployCrmAdmin = () => {
    console.log('Deploying...');
    return new Promise((resolve, reject) => {
        const { exec } = require('child_process');
        exec('cd ../next-ava-crm-admin-panel && bash deploy.sh', (error, stdout, stderr) => {
            if (error) {
                console.error(`Error: ${error.message}`);
                reject(error);
                return;
            }
            //if (stderr) {
            //console.error(`Error: ${stderr}`);
            //reject(stderr);
            //return;
            //}
            console.log(`Output: ${stdout}`);
            resolve();
        });
    });
}