export interface Store {
  id: number;
  created_at: string;
  name: string;
  logo_url?: string | null;
}

export interface Flyer {
  id: number;
  created_at: string;
  file_name: string;
  image_url: string;
  checksum?: string;
  store_id?: number;
  valid_from?: string | null;
  valid_to?: string | null;
  store_address?: string | null;
  store?: Store;
}

export interface UnitPrice {
  value: number;
  unit: string; // e.g., 'g', 'kg', 'ml', 'l', 'oz', 'lb', 'each'
}

export interface FlyerItem {
  id?: number;
  flyer_id?: number;
  created_at?: string;
  item: string;
  price_display: string;
  price_in_cents: number | null;
  quantity: string;
  quantity_num?: number | null;
  master_item_id?: number;
  master_item_name?: string | null;
  category_id?: number | null;
  category_name?: string | null;
  unit_price?: UnitPrice | null;
  product_id?: number | null;
}

export interface MasterGroceryItem {
  id: number;
  created_at: string;
  name: string;
  category_id?: number | null;
  category_name?: string | null;
}

export interface Brand {
  id: number;
  name: string;
}

export interface Product {
  id: number;
  master_item_id: number;
  brand_id?: number | null;
  name: string;
  description?: string | null;
  size?: string | null;
  upc_code?: string | null;
}

export interface DealItem {
  item: string;
  price_display: string;
  price_in_cents: number | null;
  quantity: string;
  storeName: string;
  master_item_name?: string | null;
  unit_price?: UnitPrice | null;
}

// User-specific types
export interface Profile {
  id: string; // UUID
  updated_at?: string;
  full_name?: string | null;
  avatar_url?: string | null;
  role?: 'admin' | 'user' | null;
  preferences?: {
    darkMode?: boolean;
    unitSystem?: 'metric' | 'imperial';
  } | null;
}

export interface SuggestedCorrection {
  id: number;
  flyer_item_id: number;
  user_id: string;
  correction_type: string;
  suggested_value: string;
  status: 'pending' | 'approved' | 'rejected';
  created_at: string;
  reviewed_at?: string | null;
  reviewed_notes?: string | null;
  // Joined data
  user_email?: string;
  flyer_item_name?: string;
  flyer_item_price_display?: string;
}

export interface UserAlert {
  id: number;
  user_watched_item_id: number;
  alert_type: 'PRICE_BELOW' | 'PERCENT_OFF_AVERAGE';
  threshold_value: number;
  is_active: boolean;
  created_at: string;
}

export interface Notification {
  id: number;
  user_id: string; // UUID
  content: string;
  link_url?: string | null;
  is_read: boolean;
  created_at: string;
}

export interface ShoppingList {
  id: number;
  user_id: string; // UUID
  name: string;
  created_at: string;
  items: ShoppingListItem[]; // Nested items
}

export interface ShoppingListItem {
  id: number;
  shopping_list_id: number;
  master_item_id?: number | null;
  custom_item_name?: string | null;
  quantity: number;
  is_purchased: boolean;
  added_at: string;
  // Joined data for display
  master_item?: {
    name: string;
  } | null;
}


export interface SuggestedCorrection {
  id: number;
  flyer_item_id: number;
  user_id: string; // UUID
  correction_type: string; // e.g., 'WRONG_PRICE', 'INCORRECT_ITEM_LINK'
  suggested_value: string;
  status: 'pending' | 'approved' | 'rejected';
  created_at: string;
  reviewed_notes?: string | null;
  reviewed_at?: string | null;
}

export interface UserSubmittedPrice {
  id: number;
  user_id: string; // UUID
  master_item_id: number;
  store_id: number;
  price_in_cents: number;
  photo_url?: string | null;
  upvotes: number;
  downvotes: number;
  created_at: string;
}

export interface ItemPriceHistory {
  id: number;
  master_item_id: number;
  summary_date: string; // DATE
  min_price_in_cents?: number | null;
  max_price_in_cents?: number | null;
  avg_price_in_cents?: number | null;
  data_points_count: number;
}

export interface MasterItemAlias {
  id: number;
  master_item_id: number;
  alias: string;
}

export interface Recipe {
  id: number;
  user_id?: string | null; // UUID
  name: string;
  description?: string | null;
  instructions?: string | null;
  prep_time_minutes?: number | null;
  cook_time_minutes?: number | null;
  servings?: number | null;
  photo_url?: string | null;
  calories_per_serving?: number | null;
  protein_grams?: number | null;
  fat_grams?: number | null;
  carb_grams?: number | null;
  avg_rating: number;
  rating_count: number;
  created_at: string;
}

export interface RecipeIngredient {
  id: number;
  recipe_id: number;
  master_item_id: number;
  quantity: number;
  unit: string;
}

export interface Tag {
  id: number;
  name: string;
}

export interface RecipeTag {
  recipe_id: number;
  tag_id: number;
}

export interface RecipeRating {
  id: number;
  recipe_id: number;
  user_id: string; // UUID
  rating: number;
  comment?: string | null;
  created_at: string;
}

export interface MenuPlan {
  id: number;
  user_id: string; // UUID
  name: string;
  start_date: string; // DATE
  end_date: string; // DATE
  created_at: string;
}

export interface PlannedMeal {
  id: number;
  menu_plan_id: number;
  recipe_id: number;
  plan_date: string; // DATE
  meal_type: string;
  servings_to_cook?: number | null;
}

export interface PantryItem {
  id: number;
  user_id: string; // UUID
  master_item_id: number;
  quantity: number;
  unit?: string | null;
  best_before_date?: string | null; // DATE
  updated_at: string;
}

export interface StoreLocation {
  id: number;
  store_id: number;
  address: string;
  city?: string | null;
  province_state?: string | null;
  postal_code?: string | null;
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  location?: any; // Represents PostGIS GEOGRAPHY(Point, 4326)
}

export interface FlyerLocation {
  flyer_id: number;
  store_location_id: number;
}

export enum AnalysisType {
  QUICK_INSIGHTS = 'QUICK_INSIGHTS',
  DEEP_DIVE = 'DEEP_DIVE',
  WEB_SEARCH = 'WEB_SEARCH',
  PLAN_TRIP = 'PLAN_TRIP',
  GENERATE_IMAGE = 'GENERATE_IMAGE',
}

export type StageStatus = 'pending' | 'in-progress' | 'completed' | 'error';

export interface ProcessingStage {
  name: string;
  status: StageStatus;
  detail?: string;
  critical?: boolean;
  progress?: { current: number; total: number } | null;
}

export const CATEGORIES = [
    'Fruits & Vegetables', 'Meat & Seafood', 'Dairy & Eggs', 'Bakery & Bread', 
    'Pantry & Dry Goods', 'Beverages', 'Frozen Foods', 'Snacks', 'Household & Cleaning',
    'Personal Care & Health', 'Baby & Child', 'Pet Supplies', 'Deli & Prepared Foods',
    'Canned Goods', 'Condiments & Spices', 'Breakfast & Cereal', 'Organic', 
    'International Foods', 'Other/Miscellaneous'
];