const bcrypt = require('bcrypt');
const { User, Device, AlertRule } = require('./models');

async function seedDatabase() {
  try {
    console.log('🌱 Seeding database...');

    // Check if admin user exists
    const existingAdmin = await User.findOne({ where: { username: 'admin' } });
    
    if (!existingAdmin) {
      // Create default admin user
      const adminPassword = await bcrypt.hash('admin123', 10);
      
      await User.create({
        username: 'admin',
        email: 'admin@dronedetection.local',
        password_hash: adminPassword,
        first_name: 'System',
        last_name: 'Administrator',
        role: 'admin',
        is_active: true,
        sms_alerts_enabled: false,
        email_alerts_enabled: false,
        timezone: 'Europe/Stockholm'
      });
      
      console.log('✅ Admin user created (username: admin, password: admin123)');
    } else {
      console.log('✅ Admin user already exists');
    }

    // Create sample devices if none exist
    const deviceCount = await Device.count();
    if (deviceCount === 0) {
      await Device.bulkCreate([
        {
          id: 1,
          name: 'Arlanda Airport Detector',
          geo_lat: 59.6519,
          geo_lon: 17.9186,
          location_description: 'Arlanda Airport Security Zone',
          is_active: true,
          last_heartbeat: new Date(),
          heartbeat_interval: 300,
          firmware_version: '1.0.0'
        },
        {
          id: 2,
          name: 'Musk Naval Base Detector',
          geo_lat: 59.2753,
          geo_lon: 18.2649,
          location_description: 'Musk Naval Base Perimeter',
          is_active: true,
          last_heartbeat: new Date(),
          heartbeat_interval: 300,
          firmware_version: '1.0.0'
        },
        {
          id: 3,
          name: 'Royal Castle Detector',
          geo_lat: 59.3268,
          geo_lon: 18.0717,
          location_description: 'Royal Castle Security Zone',
          is_active: true,
          last_heartbeat: new Date(),
          heartbeat_interval: 300,
          firmware_version: '1.0.0'
        }
      ]);
      
      console.log('✅ Three detector devices created (Arlanda, Naval Base, Royal Castle)');
    } else {
      console.log('✅ Devices already exist');
    }

    // Get admin user for alert rules
    const adminUser = await User.findOne({ where: { username: 'admin' } });
    
    // Create location-specific alert rules
    const alertRuleCount = await AlertRule.count();
    if (alertRuleCount === 0) {
      await AlertRule.bulkCreate([
        {
          user_id: adminUser.id,
          name: 'Arlanda Airport Security Alert',
          description: 'High-priority drone detection alert for Arlanda Airport',
          is_active: true,
          device_ids: [1], // Arlanda detector only
          min_rssi: -85, // Alert on any detection
          priority: 'critical',
          alert_channels: ['sms'],
          sms_phone_number: '0736419592',
          cooldown_period: 300, // 5 minutes between alerts
          min_detections: 1,
          time_window: 60 // 1 minute window
        },
        {
          user_id: adminUser.id,
          name: 'Muskö Naval Base Security Alert',
          description: 'High-priority drone detection alert for Muskö Naval Base',
          is_active: true,
          device_ids: [2], // Muskö detector only
          min_rssi: -85, // Alert on any detection
          priority: 'critical',
          alert_channels: ['sms'],
          sms_phone_number: '0739999999',
          cooldown_period: 300, // 5 minutes between alerts
          min_detections: 1,
          time_window: 60 // 1 minute window
        },
        {
          user_id: adminUser.id,
          name: 'Royal Castle Security Alert',
          description: 'High-priority drone detection alert for Royal Castle',
          is_active: true,
          device_ids: [3], // Royal Castle detector only
          min_rssi: -85, // Alert on any detection
          priority: 'critical',
          alert_channels: ['sms'],
          sms_phone_number: '0739999999',
          cooldown_period: 300, // 5 minutes between alerts
          min_detections: 1,
          time_window: 60 // 1 minute window
        }
      ]);
      
      console.log('✅ Location-specific alert rules created:');
      console.log('   - Arlanda Airport → 0736419592');
      console.log('   - Muskö Naval Base → 073999999');
      console.log('   - Royal Castle → 073999999');
    } else {
      console.log('✅ Alert rules already exist');
    }

    console.log('🌱 Database seeding completed');
  } catch (error) {
    console.error('❌ Database seeding failed:', error);
    throw error;
  }
}

module.exports = seedDatabase;