import '../../domain/entities/customer.dart';
import '../../domain/entities/product.dart';

/// Demo catalogue and customer book.
///
/// Barcodes are valid 13-digit EAN strings beginning with the Indian GS1
/// prefix `890`, so a real scanner can be tested against this data.
class SeedData {
  const SeedData._();

  static List<Product> products() => const [
        // ------------------------------------------------------------ Dairy
        Product(
          id: 'p001',
          name: 'Amul Milk 1L',
          barcode: '8901234500011',
          sku: 'DRY-MLK-1000',
          category: ProductCategory.dairy,
          price: 62,
          mrp: 66,
          stock: 50,
          emoji: '🥛',
          unit: UnitOfMeasure.litre,
          gstRate: 0.05,
          brand: 'Amul',
        ),
        Product(
          id: 'p002',
          name: 'Amul Butter 500g',
          barcode: '8901234500028',
          sku: 'DRY-BTR-0500',
          category: ProductCategory.dairy,
          price: 245,
          mrp: 265,
          stock: 30,
          emoji: '🧈',
          gstRate: 0.12,
          brand: 'Amul',
        ),
        Product(
          id: 'p003',
          name: 'Curd 400g',
          barcode: '8901234500035',
          sku: 'DRY-CRD-0400',
          category: ProductCategory.dairy,
          price: 48,
          mrp: 52,
          stock: 40,
          emoji: '🥣',
          gstRate: 0.05,
          brand: 'Nandini',
        ),
        Product(
          id: 'p004',
          name: 'Paneer 200g',
          barcode: '8901234500042',
          sku: 'DRY-PNR-0200',
          category: ProductCategory.dairy,
          price: 90,
          stock: 20,
          emoji: '🧀',
          gstRate: 0.05,
          brand: 'Milky Mist',
        ),
        Product(
          id: 'p005',
          name: 'Cheese Slices 200g',
          barcode: '8901234500059',
          sku: 'DRY-CHS-0200',
          category: ProductCategory.dairy,
          price: 135,
          mrp: 145,
          stock: 25,
          emoji: '🧀',
          gstRate: 0.12,
          brand: 'Britannia',
        ),

        // ---------------------------------------------------------- Grocery
        Product(
          id: 'p010',
          name: 'Basmati Rice 1kg',
          barcode: '8901234500110',
          sku: 'GRO-RCE-1000',
          category: ProductCategory.grocery,
          price: 180,
          mrp: 199,
          stock: 4,
          emoji: '🍚',
          unit: UnitOfMeasure.kilogram,
          gstRate: 0.05,
          brand: 'India Gate',
        ),
        Product(
          id: 'p011',
          name: 'Fortune Oil 1L',
          barcode: '8901234500127',
          sku: 'GRO-OIL-1000',
          category: ProductCategory.grocery,
          price: 145,
          mrp: 160,
          stock: 60,
          emoji: '🛢️',
          unit: UnitOfMeasure.litre,
          gstRate: 0.05,
          brand: 'Fortune',
        ),
        Product(
          id: 'p012',
          name: 'Toor Dal 500g',
          barcode: '8901234500134',
          sku: 'GRO-DAL-0500',
          category: ProductCategory.grocery,
          price: 90,
          stock: 45,
          emoji: '🫘',
          gstRate: 0.05,
          brand: 'Tata Sampann',
        ),
        Product(
          id: 'p013',
          name: 'Aashirvaad Atta 5kg',
          barcode: '8901234500141',
          sku: 'GRO-ATA-5000',
          category: ProductCategory.grocery,
          price: 285,
          mrp: 310,
          stock: 35,
          emoji: '🌾',
          unit: UnitOfMeasure.kilogram,
          gstRate: 0.05,
          brand: 'Aashirvaad',
        ),
        Product(
          id: 'p014',
          name: 'Sugar 1kg',
          barcode: '8901234500158',
          sku: 'GRO-SGR-1000',
          category: ProductCategory.grocery,
          price: 48,
          stock: 80,
          emoji: '🍬',
          unit: UnitOfMeasure.kilogram,
          gstRate: 0.05,
        ),
        Product(
          id: 'p015',
          name: 'Maggi 2-min',
          barcode: '8901234500165',
          sku: 'GRO-MAG-0070',
          category: ProductCategory.grocery,
          price: 14,
          stock: 120,
          emoji: '🍜',
          gstRate: 0.12,
          brand: 'Nestlé',
        ),
        Product(
          id: 'p016',
          name: 'Tata Salt 1kg',
          barcode: '8901234500172',
          sku: 'GRO-SLT-1000',
          category: ProductCategory.grocery,
          price: 28,
          stock: 95,
          emoji: '🧂',
          unit: UnitOfMeasure.kilogram,
          gstRate: 0.05,
          brand: 'Tata',
        ),

        // -------------------------------------------------------- Beverages
        Product(
          id: 'p020',
          name: 'Coca-Cola 600ml',
          barcode: '8901234500219',
          sku: 'BEV-COK-0600',
          category: ProductCategory.beverages,
          price: 40,
          stock: 80,
          emoji: '🥤',
          unit: UnitOfMeasure.millilitre,
          gstRate: 0.28,
          brand: 'Coca-Cola',
        ),
        Product(
          id: 'p021',
          name: 'Frooti 250ml',
          barcode: '8901234500226',
          sku: 'BEV-FRT-0250',
          category: ProductCategory.beverages,
          price: 15,
          stock: 100,
          emoji: '🥭',
          gstRate: 0.12,
          brand: 'Parle Agro',
        ),
        Product(
          id: 'p022',
          name: 'Bisleri 1L',
          barcode: '8901234500233',
          sku: 'BEV-WTR-1000',
          category: ProductCategory.beverages,
          price: 20,
          stock: 150,
          emoji: '💧',
          unit: UnitOfMeasure.litre,
          gstRate: 0.18,
          brand: 'Bisleri',
        ),
        Product(
          id: 'p023',
          name: 'Red Bull 250ml',
          barcode: '8901234500240',
          sku: 'BEV-RBL-0250',
          category: ProductCategory.beverages,
          price: 125,
          stock: 40,
          emoji: '🔋',
          gstRate: 0.28,
          brand: 'Red Bull',
        ),
        Product(
          id: 'p024',
          name: 'Bru Coffee 100g',
          barcode: '8901234500257',
          sku: 'BEV-COF-0100',
          category: ProductCategory.beverages,
          price: 165,
          mrp: 180,
          stock: 30,
          emoji: '☕',
          gstRate: 0.18,
          brand: 'Bru',
        ),

        // ----------------------------------------------------------- Snacks
        Product(
          id: 'p030',
          name: 'Parle-G 800g',
          barcode: '8901234500318',
          sku: 'SNK-PGB-0800',
          category: ProductCategory.snacks,
          price: 40,
          stock: 90,
          emoji: '🍪',
          gstRate: 0.18,
          brand: 'Parle',
        ),
        Product(
          id: 'p031',
          name: "Lay's Chips 26g",
          barcode: '8901234500325',
          sku: 'SNK-LAY-0026',
          category: ProductCategory.snacks,
          price: 20,
          stock: 110,
          emoji: '🥔',
          gstRate: 0.18,
          brand: "Lay's",
        ),
        Product(
          id: 'p032',
          name: 'Dairy Milk 55g',
          barcode: '8901234500332',
          sku: 'SNK-DMK-0055',
          category: ProductCategory.snacks,
          price: 45,
          stock: 75,
          emoji: '🍫',
          gstRate: 0.18,
          brand: 'Cadbury',
        ),
        Product(
          id: 'p033',
          name: 'Good Day 200g',
          barcode: '8901234500349',
          sku: 'SNK-GDY-0200',
          category: ProductCategory.snacks,
          price: 35,
          stock: 85,
          emoji: '🍪',
          gstRate: 0.18,
          brand: 'Britannia',
        ),
        Product(
          id: 'p034',
          name: 'Haldiram Mixture 200g',
          barcode: '8901234500356',
          sku: 'SNK-HMX-0200',
          category: ProductCategory.snacks,
          price: 55,
          stock: 60,
          emoji: '🥜',
          gstRate: 0.12,
          brand: 'Haldiram',
        ),

        // ---------------------------------------------------- Personal care
        Product(
          id: 'p040',
          name: 'Colgate 200g',
          barcode: '8901234500417',
          sku: 'PER-CLG-0200',
          category: ProductCategory.personalCare,
          price: 110,
          mrp: 125,
          stock: 55,
          emoji: '🪥',
          gstRate: 0.18,
          brand: 'Colgate',
        ),
        Product(
          id: 'p041',
          name: 'Dove Soap 100g',
          barcode: '8901234500424',
          sku: 'PER-DVE-0100',
          category: ProductCategory.personalCare,
          price: 65,
          stock: 70,
          emoji: '🧼',
          gstRate: 0.18,
          brand: 'Dove',
        ),
        Product(
          id: 'p042',
          name: 'Head & Shoulders 340ml',
          barcode: '8901234500431',
          sku: 'PER-HNS-0340',
          category: ProductCategory.personalCare,
          price: 385,
          mrp: 420,
          stock: 25,
          emoji: '🧴',
          gstRate: 0.18,
          brand: 'P&G',
        ),
        Product(
          id: 'p043',
          name: 'Nivea Lotion 200ml',
          barcode: '8901234500448',
          sku: 'PER-NVA-0200',
          category: ProductCategory.personalCare,
          price: 240,
          stock: 30,
          emoji: '🧴',
          gstRate: 0.18,
          brand: 'Nivea',
        ),

        // -------------------------------------------------------- Household
        Product(
          id: 'p050',
          name: 'Surf Excel 1kg',
          barcode: '8901234500516',
          sku: 'HSE-SRF-1000',
          category: ProductCategory.household,
          price: 165,
          mrp: 180,
          stock: 45,
          emoji: '🧺',
          unit: UnitOfMeasure.kilogram,
          gstRate: 0.18,
          brand: 'Surf Excel',
        ),
        Product(
          id: 'p051',
          name: 'Vim Bar 300g',
          barcode: '8901234500523',
          sku: 'HSE-VIM-0300',
          category: ProductCategory.household,
          price: 30,
          stock: 90,
          emoji: '🧽',
          gstRate: 0.18,
          brand: 'Vim',
        ),
        Product(
          id: 'p052',
          name: 'Harpic 500ml',
          barcode: '8901234500530',
          sku: 'HSE-HRP-0500',
          category: ProductCategory.household,
          price: 98,
          stock: 40,
          emoji: '🧴',
          gstRate: 0.18,
          brand: 'Harpic',
        ),
        Product(
          id: 'p053',
          name: 'Garbage Bags 30pc',
          barcode: '8901234500547',
          sku: 'HSE-GBG-0030',
          category: ProductCategory.household,
          price: 145,
          stock: 35,
          emoji: '🗑️',
          gstRate: 0.18,
        ),

        // ----------------------------------------------------------- Fruits
        Product(
          id: 'p060',
          name: 'Banana 1kg',
          barcode: '8901234500615',
          sku: 'FRT-BAN-1000',
          category: ProductCategory.fruits,
          price: 55,
          stock: 40,
          emoji: '🍌',
          unit: UnitOfMeasure.kilogram,
          gstRate: 0,
        ),
        Product(
          id: 'p061',
          name: 'Apple Shimla 1kg',
          barcode: '8901234500622',
          sku: 'FRT-APL-1000',
          category: ProductCategory.fruits,
          price: 180,
          stock: 25,
          emoji: '🍎',
          unit: UnitOfMeasure.kilogram,
          gstRate: 0,
        ),
        Product(
          id: 'p062',
          name: 'Alphonso Mango 1kg',
          barcode: '8901234500639',
          sku: 'FRT-MNG-1000',
          category: ProductCategory.fruits,
          price: 320,
          stock: 15,
          emoji: '🥭',
          unit: UnitOfMeasure.kilogram,
          gstRate: 0,
        ),

        // ------------------------------------------------------- Vegetables
        Product(
          id: 'p070',
          name: 'Tomato 1kg',
          barcode: '8901234500714',
          sku: 'VEG-TOM-1000',
          category: ProductCategory.vegetables,
          price: 40,
          stock: 50,
          emoji: '🍅',
          unit: UnitOfMeasure.kilogram,
          gstRate: 0,
        ),
        Product(
          id: 'p071',
          name: 'Onion 1kg',
          barcode: '8901234500721',
          sku: 'VEG-ONI-1000',
          category: ProductCategory.vegetables,
          price: 35,
          stock: 65,
          emoji: '🧅',
          unit: UnitOfMeasure.kilogram,
          gstRate: 0,
        ),
        Product(
          id: 'p072',
          name: 'Potato 1kg',
          barcode: '8901234500738',
          sku: 'VEG-POT-1000',
          category: ProductCategory.vegetables,
          price: 30,
          stock: 70,
          emoji: '🥔',
          unit: UnitOfMeasure.kilogram,
          gstRate: 0,
        ),
        Product(
          id: 'p073',
          name: 'Carrot 500g',
          barcode: '8901234500745',
          sku: 'VEG-CAR-0500',
          category: ProductCategory.vegetables,
          price: 32,
          stock: 8,
          emoji: '🥕',
          gstRate: 0,
        ),
      ];

  static List<Customer> customers() => [
        Customer(
          id: 'c001',
          name: 'Abhishek',
          mobile: '9876543210',
          email: 'abhishek@example.com',
          gender: Gender.male,
          dateOfBirth: DateTime(1994, 3, 18),
          loyaltyPoints: 320,
          lifetimeSpend: 24500,
          visitCount: 41,
          createdAt: DateTime(2024, 1, 12),
          lastVisitAt: DateTime.now().subtract(const Duration(days: 3)),
        ),
        Customer(
          id: 'c002',
          name: 'Priya Raman',
          mobile: '9812345678',
          email: 'priya.r@example.com',
          gender: Gender.female,
          dateOfBirth: DateTime(1990, 7, 2),
          loyaltyPoints: 1180,
          lifetimeSpend: 68200,
          visitCount: 96,
          createdAt: DateTime(2023, 6, 4),
          lastVisitAt: DateTime.now().subtract(const Duration(days: 1)),
        ),
        Customer(
          id: 'c003',
          name: 'Karthik S',
          mobile: '9900112233',
          gender: Gender.male,
          loyaltyPoints: 45,
          lifetimeSpend: 3200,
          visitCount: 7,
          createdAt: DateTime(2025, 2, 20),
          lastVisitAt: DateTime.now().subtract(const Duration(days: 11)),
        ),
        Customer(
          id: 'c004',
          name: 'Meena Lakshmi',
          mobile: '9445566778',
          email: 'meena.l@example.com',
          gender: Gender.female,
          dateOfBirth: DateTime(1986, 11, 30),
          loyaltyPoints: 2640,
          lifetimeSpend: 172000,
          visitCount: 210,
          createdAt: DateTime(2022, 9, 15),
          lastVisitAt: DateTime.now().subtract(const Duration(hours: 20)),
        ),
      ];
}