const { exec } = require('child_process');
const path = require('path');

// Cron job setup for daily achievements
const cronJob = {
    // Run daily at 23:59 (end of day)
    schedule: '59 23 * * *',
    command: `cd ${__dirname} && node daily_achievements.js >> /var/log/ninjaserver_achievements.log 2>&1`,
    description: 'Daily achievement check for Ninja Cross Parkour'
};

function setupCronJob() {
    console.log('🕐 Setting up daily achievement cron job...');
    
    // Create cron job entry
    const cronEntry = `${cronJob.schedule} ${cronJob.command}`;
    
    // Add to crontab
    exec(`(crontab -l 2>/dev/null; echo "${cronEntry}") | crontab -`, (error, stdout, stderr) => {
        if (error) {
            console.error('❌ Error setting up cron job:', error);
            return;
        }
        
        if (stderr) {
            console.error('⚠️  Cron job warning:', stderr);
        }
        
        console.log('✅ Cron job setup successfully!');
        console.log(`📅 Schedule: ${cronJob.schedule}`);
        console.log(`🔧 Command: ${cronJob.command}`);
        console.log('📝 Logs will be written to: /var/log/ninjaserver_achievements.log');
        
        // Show current crontab
        exec('crontab -l', (error, stdout, stderr) => {
            if (!error) {
                console.log('\n📋 Current crontab:');
                console.log(stdout);
            }
        });
    });
}

function removeCronJob() {
    console.log('🗑️  Removing daily achievement cron job...');
    
    exec('crontab -l | grep -v "daily_achievements.js" | crontab -', (error, stdout, stderr) => {
        if (error) {
            console.error('❌ Error removing cron job:', error);
            return;
        }
        
        console.log('✅ Cron job removed successfully!');
    });
}

// Command line interface
if (require.main === module) {
    const command = process.argv[2];
    
    switch (command) {
        case 'setup':
            setupCronJob();
            break;
        case 'remove':
            removeCronJob();
            break;
        case 'status':
            exec('crontab -l | grep daily_achievements', (error, stdout, stderr) => {
                if (stdout) {
                    console.log('✅ Cron job is active:');
                    console.log(stdout);
                } else {
                    console.log('❌ No cron job found');
                }
            });
            break;
        default:
            console.log('Usage: node setup_cron.js [setup|remove|status]');
            console.log('  setup   - Add daily achievement cron job');
            console.log('  remove  - Remove daily achievement cron job');
            console.log('  status  - Check if cron job is active');
    }
}

module.exports = { setupCronJob, removeCronJob };