part of '../analytic.dart';

@freezed
class PurchasingAnalytic with _$PurchasingAnalytic {
  const factory PurchasingAnalytic({
    required String organizationId,
    required String outletId,
    required String outletName,
    required DateTime dateFrom,
    required DateTime dateTo,
    required String groupBy,
    required PurchasingAnalyticSummary summary,
    required List<PurchasingAnalyticData> data,
    required List<PurchasingIngredientData> ingredientData,
    required List<PurchasingVendorData> vendorData,
  }) = _PurchasingAnalytic;

  factory PurchasingAnalytic.empty() => PurchasingAnalytic(
    organizationId: '',
    outletId: '',
    outletName: '',
    dateFrom: DateTime.fromMillisecondsSinceEpoch(0),
    dateTo: DateTime.fromMillisecondsSinceEpoch(0),
    groupBy: '',
    summary: PurchasingAnalyticSummary.empty(),
    data: [],
    ingredientData: [],
    vendorData: [],
  );
}

@freezed
class PurchasingAnalyticSummary with _$PurchasingAnalyticSummary {
  const factory PurchasingAnalyticSummary({
    required int totalPurchases,
    required int totalPurchaseOrders,
    required int totalQuantity,
    required double averagePurchaseOrderValue,
    required int totalIngredients,
    required int totalVendors,
  }) = _PurchasingAnalyticSummary;

  factory PurchasingAnalyticSummary.empty() =>
      const PurchasingAnalyticSummary(
        totalPurchases: 0,
        totalPurchaseOrders: 0,
        totalQuantity: 0,
        averagePurchaseOrderValue: 0,
        totalIngredients: 0,
        totalVendors: 0,
      );
}

@freezed
class PurchasingAnalyticData with _$PurchasingAnalyticData {
  const factory PurchasingAnalyticData({
    required DateTime date,
    required int purchases,
    required int purchaseOrders,
    required int quantity,
    required int ingredients,
    required int vendors,
  }) = _PurchasingAnalyticData;

  factory PurchasingAnalyticData.empty() => PurchasingAnalyticData(
    date: DateTime.fromMillisecondsSinceEpoch(0),
    purchases: 0,
    purchaseOrders: 0,
    quantity: 0,
    ingredients: 0,
    vendors: 0,
  );
}

@freezed
class PurchasingIngredientData with _$PurchasingIngredientData {
  const factory PurchasingIngredientData({
    required String ingredientId,
    required String ingredientName,
    required int quantity,
    required int totalCost,
    required double averageUnitCost,
    required int purchaseOrderCount,
  }) = _PurchasingIngredientData;

  factory PurchasingIngredientData.empty() =>
      const PurchasingIngredientData(
        ingredientId: '',
        ingredientName: '',
        quantity: 0,
        totalCost: 0,
        averageUnitCost: 0,
        purchaseOrderCount: 0,
      );
}

@freezed
class PurchasingVendorData with _$PurchasingVendorData {
  const factory PurchasingVendorData({
    required String vendorId,
    required String vendorName,
    required int totalCost,
    required int purchaseOrderCount,
    required int ingredientCount,
    required int quantity,
  }) = _PurchasingVendorData;

  factory PurchasingVendorData.empty() => const PurchasingVendorData(
    vendorId: '',
    vendorName: '',
    totalCost: 0,
    purchaseOrderCount: 0,
    ingredientCount: 0,
    quantity: 0,
  );
}