import { PrismaClient } from '@prisma/client';
import bcrypt from 'bcryptjs';
import { seedMaintenanceTypes } from './maintenanceTypeSeed';

const prisma = new PrismaClient();

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

  // Check if superadmin already exists
  const existingSuperadmin = await prisma.user.findFirst({
    where: { authLevel: 1 }
  });

  if (!existingSuperadmin) {
    // Create superadmin account
    const hashedPassword = await bcrypt.hash('admin123', 10);
    
    const superadmin = await prisma.user.create({
      data: {
        name: 'Super Administrator',
        username: 'superadmin',
        email: 'admin@carmaintenance.com',
        password: hashedPassword,
        status: 'active',
        authLevel: 1,
      },
    });

    console.log('✅ Created superadmin user:', superadmin.username);
  } else {
    console.log('ℹ️  Superadmin user already exists');
  }

  // Seed maintenance types using the dedicated seed function
  await seedMaintenanceTypes();

  // Seed some sample data for development
  const sampleCustomer = await prisma.customer.upsert({
    where: { id: 1 },
    update: {},
    create: {
      name: 'أحمد محمد',
      phone: '+966501234567',
      email: 'ahmed@example.com',
      address: 'الرياض، المملكة العربية السعودية',
    },
  });

  const sampleVehicle = await prisma.vehicle.upsert({
    where: { id: 1 },
    update: {},
    create: {
      plateNumber: 'ABC-1234',
      bodyType: 'سيدان',
      manufacturer: 'تويوتا',
      model: 'كامري',
      trim: 'GLE',
      year: 2022,
      transmission: 'Automatic',
      fuel: 'Gasoline',
      cylinders: 4,
      engineDisplacement: 2.5,
      useType: 'personal',
      ownerId: sampleCustomer.id,
    },
  });

  // Get maintenance types for sample visits
  const periodicMaintenanceType = await prisma.maintenanceType.findFirst({
    where: { name: 'صيانة دورية' }
  });
  const brakeRepairType = await prisma.maintenanceType.findFirst({
    where: { name: 'إصلاح الفرامل' }
  });

  // Create some sample maintenance visits
  const sampleVisit1 = await prisma.maintenanceVisit.upsert({
    where: { id: 1 },
    update: {},
    create: {
      vehicleId: sampleVehicle.id,
      customerId: sampleCustomer.id,
      maintenanceTypeId: periodicMaintenanceType!.id,
      description: 'تغيير زيت المحرك وفلتر الزيت وفحص شامل للمركبة',
      cost: 250.00,
      paymentStatus: 'paid',
      kilometers: 45000,
      visitDate: new Date('2024-01-15'),
      nextVisitDelay: 6,
    },
  });

  const sampleVisit2 = await prisma.maintenanceVisit.upsert({
    where: { id: 2 },
    update: {},
    create: {
      vehicleId: sampleVehicle.id,
      customerId: sampleCustomer.id,
      maintenanceTypeId: brakeRepairType!.id,
      description: 'تغيير أقراص الفرامل الأمامية وتيل الفرامل',
      cost: 450.00,
      paymentStatus: 'paid',
      kilometers: 47500,
      visitDate: new Date('2024-03-20'),
      nextVisitDelay: 12,
    },
  });

  const sampleVisit3 = await prisma.maintenanceVisit.upsert({
    where: { id: 3 },
    update: {},
    create: {
      vehicleId: sampleVehicle.id,
      customerId: sampleCustomer.id,
      maintenanceTypeId: periodicMaintenanceType!.id,
      description: 'تغيير زيت المحرك وفلتر الهواء وفحص البطارية',
      cost: 180.00,
      paymentStatus: 'pending',
      kilometers: 52000,
      visitDate: new Date('2024-07-15'),
      nextVisitDelay: 6,
    },
  });

  // Create income records for the maintenance visits
  await prisma.income.upsert({
    where: { id: 1 },
    update: {},
    create: {
      maintenanceVisitId: sampleVisit1.id,
      amount: sampleVisit1.cost,
      incomeDate: sampleVisit1.visitDate,
    },
  });

  await prisma.income.upsert({
    where: { id: 2 },
    update: {},
    create: {
      maintenanceVisitId: sampleVisit2.id,
      amount: sampleVisit2.cost,
      incomeDate: sampleVisit2.visitDate,
    },
  });

  // Update the vehicle with last visit information
  await prisma.vehicle.update({
    where: { id: sampleVehicle.id },
    data: {
      lastVisitDate: sampleVisit3.visitDate,
      suggestedNextVisitDate: new Date('2025-01-15'), // 6 months after last visit
    },
  });

  console.log('✅ Created sample customer, vehicle, and maintenance visits');

  console.log('🎉 Database seeded successfully!');
}

main()
  .catch((e) => {
    console.error('❌ Error seeding database:', e);
    process.exit(1);
  })
  .finally(async () => {
    await prisma.$disconnect();
  });