/**
 * Database Seeding Script
 * Adds initial test data to the database
 * 
 * Run: node scripts/seed.js
 */

require('dotenv').config();
const bcrypt = require('bcryptjs');
const { query } = require('../config/database');

async function seedDatabase() {
  console.log('🌱 Starting database seeding...\n');

  try {
    // 1. Seed regions
    console.log('Adding regions...');
    const regions = ['East', 'West', 'North', 'South', 'Central'];
    for (const region of regions) {
      await query(
        `INSERT INTO master_regions (region_name) VALUES ($1) ON CONFLICT (region_name) DO NOTHING`,
        [region]
      );
    }
    console.log('✅ Regions added\n');

    // 2. Seed zones
    console.log('Adding zones...');
    const zones = [
      { region: 'West', name: 'Mumbai Zone', code: 'MUM-01' },
      { region: 'West', name: 'Pune Zone', code: 'PUN-01' },
      { region: 'North', name: 'Delhi Zone', code: 'DEL-01' },
      { region: 'South', name: 'Bangalore Zone', code: 'BLR-01' },
      { region: 'East', name: 'Kolkata Zone', code: 'KOL-01' },
    ];

    for (const zone of zones) {
      const regionResult = await query('SELECT id FROM master_regions WHERE region_name = $1', [zone.region]);
      if (regionResult.rows.length > 0) {
        await query(
          `INSERT INTO master_zones (region_id, zone_name, zone_code) 
           VALUES ($1, $2, $3) ON CONFLICT (zone_code) DO NOTHING`,
          [regionResult.rows[0].id, zone.name, zone.code]
        );
      }
    }
    console.log('✅ Zones added\n');

    // 3. Seed users
    console.log('Adding users...');
    const hashedPassword = await bcrypt.hash('Password@123', 10);
    
    const users = [
      { email: 'admin@royalenfield.com', name: 'Super Admin', role: 'Super Admin', region: null, zone: null },
      { email: 'ddlead@royalenfield.com', name: 'DD Lead', role: 'DD Lead', region: 'West', zone: null },
      { email: 'ddhead@royalenfield.com', name: 'DD Head', role: 'DD Head', region: 'West', zone: null },
      { email: 'nbh@royalenfield.com', name: 'NBH', role: 'NBH', region: null, zone: null },
      { email: 'finance@royalenfield.com', name: 'Finance Admin', role: 'Finance', region: null, zone: null },
      { email: 'legal@royalenfield.com', name: 'Legal Admin', role: 'Legal Admin', region: null, zone: null },
      { email: 'dd@royalenfield.com', name: 'DD Mumbai', role: 'DD', region: 'West', zone: 'Mumbai Zone' },
      { email: 'rbm@royalenfield.com', name: 'RBM West', role: 'RBM', region: 'West', zone: 'Mumbai Zone' },
      { email: 'zbh@royalenfield.com', name: 'ZBH Mumbai', role: 'ZBH', region: 'West', zone: 'Mumbai Zone' },
      { email: 'dealer@example.com', name: 'Amit Sharma', role: 'Dealer', region: 'West', zone: 'Mumbai Zone' },
    ];

    for (const user of users) {
      const result = await query(
        `INSERT INTO users (email, password, full_name, role, region, zone, phone) 
         VALUES ($1, $2, $3, $4, $5, $6, $7) 
         ON CONFLICT (email) DO NOTHING
         RETURNING id`,
        [user.email, hashedPassword, user.name, user.role, user.region, user.zone, '+91-9876543210']
      );
      
      if (result.rows.length > 0) {
        console.log(`  Added: ${user.email} (${user.role})`);
      }
    }
    console.log('✅ Users added\n');

    // 4. Seed outlets for dealer
    console.log('Adding outlets...');
    const dealerResult = await query('SELECT id FROM users WHERE email = $1', ['dealer@example.com']);
    
    if (dealerResult.rows.length > 0) {
      const dealerId = dealerResult.rows[0].id;
      
      const outlets = [
        {
          code: 'DL-MH-001',
          name: 'Royal Enfield Mumbai',
          type: 'Dealership',
          address: 'Plot No. 45, Linking Road, Bandra West',
          city: 'Mumbai',
          state: 'Maharashtra',
          lat: 19.0596,
          lon: 72.8295
        },
        {
          code: 'ST-MH-002',
          name: 'Royal Enfield Andheri Studio',
          type: 'Studio',
          address: 'Shop 12, Phoenix Market City, Kurla',
          city: 'Mumbai',
          state: 'Maharashtra',
          lat: 19.0822,
          lon: 72.8912
        },
        {
          code: 'DL-MH-003',
          name: 'Royal Enfield Thane Dealership',
          type: 'Dealership',
          address: 'Eastern Express Highway, Thane West',
          city: 'Thane',
          state: 'Maharashtra',
          lat: 19.2183,
          lon: 72.9781
        },
        {
          code: 'ST-MH-004',
          name: 'Royal Enfield Pune Studio',
          type: 'Studio',
          address: 'FC Road, Deccan Gymkhana',
          city: 'Pune',
          state: 'Maharashtra',
          lat: 18.5204,
          lon: 73.8567
        }
      ];

      for (const outlet of outlets) {
        await query(
          `INSERT INTO outlets 
           (dealer_id, code, name, type, address, city, state, status, established_date, latitude, longitude)
           VALUES ($1, $2, $3, $4, $5, $6, $7, 'Active', '2020-01-15', $8, $9)
           ON CONFLICT (code) DO NOTHING`,
          [dealerId, outlet.code, outlet.name, outlet.type, outlet.address, outlet.city, outlet.state, outlet.lat, outlet.lon]
        );
      }
      console.log('✅ Outlets added\n');
    }

    console.log('✅ Database seeding completed successfully!');
    console.log('\n📝 Test Credentials:');
    console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
    console.log('Email: admin@royalenfield.com');
    console.log('Email: dealer@example.com');
    console.log('Email: finance@royalenfield.com');
    console.log('Email: ddlead@royalenfield.com');
    console.log('\nPassword (all users): Password@123');
    console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');

    process.exit(0);
  } catch (error) {
    console.error('❌ Seeding failed:', error);
    process.exit(1);
  }
}

seedDatabase();