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

const prisma = new PrismaClient();

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

  // Create Departments
  const salesDept = await prisma.department.create({
    data: {
      name: 'Sales Department',
      nameAr: 'قسم المبيعات',
      code: 'SALES',
      description: 'Sales and Business Development',
    },
  });

  const itDept = await prisma.department.create({
    data: {
      name: 'IT Department',
      nameAr: 'قسم تقنية المعلومات',
      code: 'IT',
      description: 'Information Technology',
    },
  });

  const hrDept = await prisma.department.create({
    data: {
      name: 'HR Department',
      nameAr: 'قسم الموارد البشرية',
      code: 'HR',
      description: 'Human Resources',
    },
  });

  console.log('✅ Created departments');

  // Create Positions
  const gmPosition = await prisma.position.create({
    data: {
      title: 'General Manager',
      titleAr: 'المدير العام',
      code: 'GM',
      departmentId: salesDept.id,
      level: 1,
      description: 'Chief Executive - Full Access',
    },
  });

  const salesManagerPosition = await prisma.position.create({
    data: {
      title: 'Sales Manager',
      titleAr: 'مدير المبيعات',
      code: 'SALES_MGR',
      departmentId: salesDept.id,
      level: 2,
      description: 'Sales Department Manager',
    },
  });

  const salesRepPosition = await prisma.position.create({
    data: {
      title: 'Sales Representative',
      titleAr: 'مندوب مبيعات',
      code: 'SALES_REP',
      departmentId: salesDept.id,
      level: 3,
      description: 'Sales Representative',
    },
  });

  console.log('✅ Created positions');

  // Create Permissions for GM (Full Access)
  const modules = ['contacts', 'crm', 'inventory', 'projects', 'hr', 'marketing'];
  const resources = ['*'];
  const actions = ['*'];

  for (const module of modules) {
    await prisma.positionPermission.create({
      data: {
        positionId: gmPosition.id,
        module,
        resource: resources[0],
        actions,
      },
    });
  }

  // Create Permissions for Sales Manager
  await prisma.positionPermission.createMany({
    data: [
      {
        positionId: salesManagerPosition.id,
        module: 'contacts',
        resource: 'contacts',
        actions: ['create', 'read', 'update', 'merge'],
      },
      {
        positionId: salesManagerPosition.id,
        module: 'crm',
        resource: 'deals',
        actions: ['create', 'read', 'update', 'approve'],
      },
      {
        positionId: salesManagerPosition.id,
        module: 'crm',
        resource: 'quotes',
        actions: ['create', 'read', 'update', 'approve'],
      },
    ],
  });

  // Create Permissions for Sales Rep
  await prisma.positionPermission.createMany({
    data: [
      {
        positionId: salesRepPosition.id,
        module: 'contacts',
        resource: 'contacts',
        actions: ['create', 'read', 'update'],
      },
      {
        positionId: salesRepPosition.id,
        module: 'crm',
        resource: 'deals',
        actions: ['create', 'read', 'update'],
      },
      {
        positionId: salesRepPosition.id,
        module: 'crm',
        resource: 'quotes',
        actions: ['create', 'read'],
      },
    ],
  });

  console.log('✅ Created permissions');

  // Create Employees
  const gmEmployee = await prisma.employee.create({
    data: {
      uniqueEmployeeId: 'EMP-2024-0001',
      firstName: 'Ahmed',
      lastName: 'Al-Mutairi',
      firstNameAr: 'أحمد',
      lastNameAr: 'المطيري',
      email: 'gm@atmata.com',
      mobile: '+966500000001',
      dateOfBirth: new Date('1980-01-01'),
      gender: 'MALE',
      nationality: 'Saudi',
      employmentType: 'Full-time',
      contractType: 'Unlimited',
      hireDate: new Date('2020-01-01'),
      departmentId: salesDept.id,
      positionId: gmPosition.id,
      basicSalary: 50000,
      status: 'ACTIVE',
    },
  });

  const salesManagerEmployee = await prisma.employee.create({
    data: {
      uniqueEmployeeId: 'EMP-2024-0002',
      firstName: 'Fatima',
      lastName: 'Al-Zahrani',
      firstNameAr: 'فاطمة',
      lastNameAr: 'الزهراني',
      email: 'sales.manager@atmata.com',
      mobile: '+966500000002',
      dateOfBirth: new Date('1985-05-15'),
      gender: 'FEMALE',
      nationality: 'Saudi',
      employmentType: 'Full-time',
      contractType: 'Unlimited',
      hireDate: new Date('2021-06-01'),
      departmentId: salesDept.id,
      positionId: salesManagerPosition.id,
      reportingToId: gmEmployee.id,
      basicSalary: 25000,
      status: 'ACTIVE',
    },
  });

  const salesRepEmployee = await prisma.employee.create({
    data: {
      uniqueEmployeeId: 'EMP-2024-0003',
      firstName: 'Mohammed',
      lastName: 'Al-Qahtani',
      firstNameAr: 'محمد',
      lastNameAr: 'القحطاني',
      email: 'sales.rep@atmata.com',
      mobile: '+966500000003',
      dateOfBirth: new Date('1992-08-20'),
      gender: 'MALE',
      nationality: 'Saudi',
      employmentType: 'Full-time',
      contractType: 'Fixed',
      hireDate: new Date('2023-01-15'),
      departmentId: salesDept.id,
      positionId: salesRepPosition.id,
      reportingToId: salesManagerEmployee.id,
      basicSalary: 12000,
      status: 'ACTIVE',
    },
  });

  console.log('✅ Created employees');

  // Create Users
  const hashedPassword = await bcrypt.hash('Admin@123', 10);

  const gmUser = await prisma.user.create({
    data: {
      email: 'gm@atmata.com',
      username: 'admin',
      password: hashedPassword,
      employeeId: gmEmployee.id,
      isActive: true,
    },
  });

  const salesManagerUser = await prisma.user.create({
    data: {
      email: 'sales.manager@atmata.com',
      username: 'salesmanager',
      password: hashedPassword,
      employeeId: salesManagerEmployee.id,
      isActive: true,
    },
  });

  const salesRepUser = await prisma.user.create({
    data: {
      email: 'sales.rep@atmata.com',
      username: 'salesrep',
      password: hashedPassword,
      employeeId: salesRepEmployee.id,
      isActive: true,
    },
  });

  console.log('✅ Created users');

  // Create Contact Categories
  await prisma.contactCategory.createMany({
    data: [
      { name: 'Customer', nameAr: 'عميل', description: 'Paying customers' },
      { name: 'Supplier', nameAr: 'مورد', description: 'Product/Service suppliers' },
      { name: 'Partner', nameAr: 'شريك', description: 'Business partners' },
      { name: 'Lead', nameAr: 'عميل محتمل', description: 'Potential customers' },
    ],
  });

  console.log('✅ Created contact categories');

  // Create Product Categories
  await prisma.productCategory.createMany({
    data: [
      { name: 'Electronics', nameAr: 'إلكترونيات', code: 'ELEC' },
      { name: 'Software', nameAr: 'برمجيات', code: 'SOFT' },
      { name: 'Services', nameAr: 'خدمات', code: 'SERV' },
    ],
  });

  console.log('✅ Created product categories');

  // Create Pipelines
  await prisma.pipeline.create({
    data: {
      name: 'B2B Sales Pipeline',
      nameAr: 'مسار مبيعات الشركات',
      structure: 'B2B',
      stages: [
        { name: 'OPEN', nameAr: 'مفتوحة', order: 1 },
        { name: 'QUALIFIED', nameAr: 'مؤهلة', order: 2 },
        { name: 'NEGOTIATION', nameAr: 'تفاوض', order: 3 },
        { name: 'PROPOSAL', nameAr: 'عرض سعر', order: 4 },
        { name: 'WON', nameAr: 'فازت', order: 5 },
        { name: 'LOST', nameAr: 'خسرت', order: 6 },
      ],
      isActive: true,
    },
  });

  await prisma.pipeline.create({
    data: {
      name: 'B2C Sales Pipeline',
      nameAr: 'مسار مبيعات الأفراد',
      structure: 'B2C',
      stages: [
        { name: 'LEAD', nameAr: 'عميل محتمل', order: 1 },
        { name: 'CONTACTED', nameAr: 'تم التواصل', order: 2 },
        { name: 'QUALIFIED', nameAr: 'مؤهل', order: 3 },
        { name: 'WON', nameAr: 'بيع', order: 4 },
        { name: 'LOST', nameAr: 'خسارة', order: 5 },
      ],
      isActive: true,
    },
  });

  console.log('✅ Created pipelines');

  // Create sample warehouse
  await prisma.warehouse.create({
    data: {
      code: 'WH-MAIN',
      name: 'Main Warehouse',
      nameAr: 'المستودع الرئيسي',
      type: 'MAIN',
      city: 'Riyadh',
      country: 'Saudi Arabia',
      isActive: true,
    },
  });

  console.log('✅ Created warehouse');

  console.log('\n🎉 Database seeding completed successfully!\n');
  console.log('📋 Default Users Created:');
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
  console.log('1. General Manager');
  console.log('   Email: gm@atmata.com');
  console.log('   Password: Admin@123');
  console.log('   Access: Full System Access');
  console.log('');
  console.log('2. Sales Manager');
  console.log('   Email: sales.manager@atmata.com');
  console.log('   Password: Admin@123');
  console.log('   Access: Contacts, CRM with approvals');
  console.log('');
  console.log('3. Sales Representative');
  console.log('   Email: sales.rep@atmata.com');
  console.log('   Password: Admin@123');
  console.log('   Access: Basic Contacts and CRM');
  console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');
}

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