// In-Memory Store for Marketplace
// This will be replaced with Prisma database calls once Agent 2 completes database setup

import {
  Listing,
  Offer,
  SellerProfile,
  WishlistItem,
  ListingCategory,
  ListingStatus,
  OfferStatus,
} from './types';

// In-memory storage
const listings: Map<string, Listing> = new Map();
const offers: Map<string, Offer> = new Map();
const sellerProfiles: Map<string, SellerProfile> = new Map();
const wishlistItems: Map<string, WishlistItem> = new Map();

// Helper to generate IDs
export const generateId = (): string => {
  return `${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
};

// Seed with sample data for development
const seedSampleData = () => {
  const sampleListings: Listing[] = [
    {
      id: 'listing-1',
      sellerId: 'user-1',
      sellerName: 'Green Thumb Gardens',
      title: 'Heirloom Tomato Seedlings - Cherokee Purple',
      description: 'Beautiful heirloom Cherokee Purple tomato seedlings, organically grown. These produce large, deep purple-red fruits with rich, complex flavor. Perfect for home gardens.',
      price: 4.99,
      currency: 'USD',
      quantity: 24,
      category: ListingCategory.SEEDLINGS,
      status: ListingStatus.ACTIVE,
      location: { lat: 40.7128, lng: -74.006, city: 'New York', region: 'NY' },
      tags: ['organic', 'heirloom', 'tomato', 'vegetable'],
      images: [
        { id: 'img-1', listingId: 'listing-1', url: '/images/tomato-seedling.jpg', alt: 'Cherokee Purple Tomato Seedling', isPrimary: true, createdAt: new Date() }
      ],
      viewCount: 142,
      createdAt: new Date('2024-03-01'),
      updatedAt: new Date('2024-03-15'),
    },
    {
      id: 'listing-2',
      sellerId: 'user-2',
      sellerName: 'Urban Herb Farm',
      title: 'Fresh Basil Plants - Genovese',
      description: 'Ready-to-harvest Genovese basil plants grown in our vertical farm. Perfect for pesto, salads, and Italian cuisine. Each plant is 6-8 inches tall.',
      price: 6.50,
      currency: 'USD',
      quantity: 50,
      category: ListingCategory.MATURE_PLANTS,
      status: ListingStatus.ACTIVE,
      location: { lat: 34.0522, lng: -118.2437, city: 'Los Angeles', region: 'CA' },
      tags: ['herbs', 'basil', 'culinary', 'fresh'],
      images: [],
      viewCount: 89,
      createdAt: new Date('2024-03-10'),
      updatedAt: new Date('2024-03-10'),
    },
    {
      id: 'listing-3',
      sellerId: 'user-1',
      sellerName: 'Green Thumb Gardens',
      title: 'Organic Lettuce Mix Seeds',
      description: 'Premium mix of organic lettuce seeds including romaine, butterhead, and red leaf varieties. Perfect for succession planting.',
      price: 3.99,
      currency: 'USD',
      quantity: 100,
      category: ListingCategory.SEEDS,
      status: ListingStatus.ACTIVE,
      location: { lat: 40.7128, lng: -74.006, city: 'New York', region: 'NY' },
      tags: ['organic', 'seeds', 'lettuce', 'salad'],
      images: [],
      viewCount: 256,
      createdAt: new Date('2024-02-15'),
      updatedAt: new Date('2024-03-01'),
    },
    {
      id: 'listing-4',
      sellerId: 'user-3',
      sellerName: 'Succulent Paradise',
      title: 'Assorted Succulent Cuttings - 10 Pack',
      description: 'Beautiful assortment of succulent cuttings ready for propagation. Includes echeveria, sedum, and crassula varieties.',
      price: 15.00,
      currency: 'USD',
      quantity: 30,
      category: ListingCategory.CUTTINGS,
      status: ListingStatus.ACTIVE,
      location: { lat: 33.4484, lng: -112.074, city: 'Phoenix', region: 'AZ' },
      tags: ['succulents', 'cuttings', 'propagation', 'drought-tolerant'],
      images: [],
      viewCount: 178,
      createdAt: new Date('2024-03-05'),
      updatedAt: new Date('2024-03-12'),
    },
    {
      id: 'listing-5',
      sellerId: 'user-2',
      sellerName: 'Urban Herb Farm',
      title: 'Fresh Microgreens - Chef\'s Mix',
      description: 'Freshly harvested microgreens mix including sunflower, radish, and pea shoots. Harvested same day as shipping for maximum freshness.',
      price: 8.99,
      currency: 'USD',
      quantity: 40,
      category: ListingCategory.PRODUCE,
      status: ListingStatus.ACTIVE,
      location: { lat: 34.0522, lng: -118.2437, city: 'Los Angeles', region: 'CA' },
      tags: ['microgreens', 'fresh', 'produce', 'chef'],
      images: [],
      viewCount: 312,
      createdAt: new Date('2024-03-18'),
      updatedAt: new Date('2024-03-18'),
    },
  ];

  const sampleProfiles: SellerProfile[] = [
    {
      userId: 'user-1',
      displayName: 'Green Thumb Gardens',
      bio: 'Family-owned nursery specializing in heirloom vegetables and native plants.',
      location: { city: 'New York', region: 'NY' },
      rating: 4.8,
      reviewCount: 127,
      totalSales: 523,
      memberSince: new Date('2023-01-15'),
      verified: true,
    },
    {
      userId: 'user-2',
      displayName: 'Urban Herb Farm',
      bio: 'Vertical farm growing fresh herbs and microgreens in the heart of LA.',
      location: { city: 'Los Angeles', region: 'CA' },
      rating: 4.9,
      reviewCount: 89,
      totalSales: 412,
      memberSince: new Date('2023-03-20'),
      verified: true,
    },
    {
      userId: 'user-3',
      displayName: 'Succulent Paradise',
      bio: 'Desert plant enthusiast sharing the beauty of succulents.',
      location: { city: 'Phoenix', region: 'AZ' },
      rating: 4.7,
      reviewCount: 56,
      totalSales: 198,
      memberSince: new Date('2023-06-01'),
      verified: false,
    },
  ];

  // Seed listings
  sampleListings.forEach(listing => {
    listings.set(listing.id, listing);
  });

  // Seed profiles
  sampleProfiles.forEach(profile => {
    sellerProfiles.set(profile.userId, profile);
  });
};

// Initialize with sample data
seedSampleData();

// Export store operations
export const listingStore = {
  getAll: (): Listing[] => Array.from(listings.values()),

  getById: (id: string): Listing | undefined => listings.get(id),

  getBySellerId: (sellerId: string): Listing[] =>
    Array.from(listings.values()).filter(l => l.sellerId === sellerId),

  create: (listing: Listing): Listing => {
    listings.set(listing.id, listing);
    return listing;
  },

  update: (id: string, updates: Partial<Listing>): Listing | undefined => {
    const existing = listings.get(id);
    if (!existing) return undefined;
    const updated = { ...existing, ...updates, updatedAt: new Date() };
    listings.set(id, updated);
    return updated;
  },

  delete: (id: string): boolean => listings.delete(id),

  incrementViewCount: (id: string): void => {
    const listing = listings.get(id);
    if (listing) {
      listing.viewCount++;
      listings.set(id, listing);
    }
  },
};

export const offerStore = {
  getAll: (): Offer[] => Array.from(offers.values()),

  getById: (id: string): Offer | undefined => offers.get(id),

  getByListingId: (listingId: string): Offer[] =>
    Array.from(offers.values()).filter(o => o.listingId === listingId),

  getByBuyerId: (buyerId: string): Offer[] =>
    Array.from(offers.values()).filter(o => o.buyerId === buyerId),

  create: (offer: Offer): Offer => {
    offers.set(offer.id, offer);
    return offer;
  },

  update: (id: string, updates: Partial<Offer>): Offer | undefined => {
    const existing = offers.get(id);
    if (!existing) return undefined;
    const updated = { ...existing, ...updates, updatedAt: new Date() };
    offers.set(id, updated);
    return updated;
  },

  delete: (id: string): boolean => offers.delete(id),
};

export const sellerProfileStore = {
  getByUserId: (userId: string): SellerProfile | undefined =>
    sellerProfiles.get(userId),

  create: (profile: SellerProfile): SellerProfile => {
    sellerProfiles.set(profile.userId, profile);
    return profile;
  },

  update: (userId: string, updates: Partial<SellerProfile>): SellerProfile | undefined => {
    const existing = sellerProfiles.get(userId);
    if (!existing) return undefined;
    const updated = { ...existing, ...updates };
    sellerProfiles.set(userId, updated);
    return updated;
  },
};

export const wishlistStore = {
  getByUserId: (userId: string): WishlistItem[] =>
    Array.from(wishlistItems.values()).filter(w => w.userId === userId),

  add: (item: WishlistItem): WishlistItem => {
    wishlistItems.set(item.id, item);
    return item;
  },

  remove: (userId: string, listingId: string): boolean => {
    const item = Array.from(wishlistItems.values()).find(
      w => w.userId === userId && w.listingId === listingId
    );
    if (item) {
      return wishlistItems.delete(item.id);
    }
    return false;
  },

  exists: (userId: string, listingId: string): boolean =>
    Array.from(wishlistItems.values()).some(
      w => w.userId === userId && w.listingId === listingId
    ),
};