defmodule SimpleshopTheme.Theme.PreviewData do
  @moduledoc """
  Provides preview data for theme customization.

  Uses real product data when available, falls back to mock data otherwise.
  This allows users to preview themes before adding products to their shop.
  """

  @doc """
  Returns products for preview.

  Uses real products if available, otherwise returns mock product data.
  """
  def products do
    if has_real_products?() do
      get_real_products()
    else
      mock_products()
    end
  end

  @doc """
  Returns cart items for preview.

  Always returns mock data as cart is session-specific.
  """
  def cart_items do
    mock_cart_items()
  end

  @doc """
  Returns testimonials for preview.

  Always returns mock data.
  """
  def testimonials do
    mock_testimonials()
  end

  @doc """
  Returns categories for preview.

  Uses real categories if available, otherwise returns mock data.
  """
  def categories do
    if has_real_categories?() do
      get_real_categories()
    else
      mock_categories()
    end
  end

  @doc """
  Checks if the shop has real products.

  Returns true if at least one product exists in the database.
  """
  def has_real_products? do
    false
  end

  defp has_real_categories? do
    false
  end

  defp get_real_products do
    []
  end

  defp get_real_categories do
    []
  end

  defp mock_products do
    [
      %{
        id: "1",
        name: "Classic Cotton T-Shirt",
        description: "Soft, breathable cotton tee perfect for everyday wear",
        price: 2999,
        compare_at_price: nil,
        image_url: "https://images.unsplash.com/photo-1521572163474-6864f9cf17ab?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1622445275576-721325763afe?w=600&h=800&fit=crop&q=80",
        category: "Clothing",
        in_stock: true,
        on_sale: false
      },
      %{
        id: "2",
        name: "Leather Crossbody Bag",
        description: "Handcrafted genuine leather bag with adjustable strap",
        price: 8999,
        compare_at_price: 11999,
        image_url: "https://images.unsplash.com/photo-1548036328-c9fa89d128fa?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1590874103328-eac38a683ce7?w=600&h=800&fit=crop&q=80",
        category: "Accessories",
        in_stock: true,
        on_sale: true
      },
      %{
        id: "3",
        name: "Ceramic Coffee Mug",
        description: "Handmade ceramic mug with unique glaze finish",
        price: 2499,
        compare_at_price: nil,
        image_url: "https://images.unsplash.com/photo-1514228742587-6b1558fcca3d?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1481833761820-0509d3217039?w=600&h=800&fit=crop&q=80",
        category: "Home",
        in_stock: true,
        on_sale: false
      },
      %{
        id: "4",
        name: "Minimalist Watch",
        description: "Sleek design with Japanese quartz movement",
        price: 12999,
        compare_at_price: nil,
        image_url: "https://images.unsplash.com/photo-1523275335684-37898b6baf30?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1524592094714-0f0654e20314?w=600&h=800&fit=crop&q=80",
        category: "Accessories",
        in_stock: true,
        on_sale: false
      },
      %{
        id: "5",
        name: "Wool Throw Blanket",
        description: "Cozy merino wool blanket in herringbone pattern",
        price: 7999,
        compare_at_price: 9999,
        image_url: "https://images.unsplash.com/photo-1580301762395-21ce84d00bc6?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1600369671854-2d9f5db4a5e0?w=600&h=800&fit=crop&q=80",
        category: "Home",
        in_stock: false,
        on_sale: true
      },
      %{
        id: "6",
        name: "Artisan Soap Set",
        description: "Natural handmade soaps with essential oils",
        price: 3499,
        compare_at_price: nil,
        image_url: "https://images.unsplash.com/photo-1607006344380-b6775a0824a7?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1600857544200-b2f666a9a2ec?w=600&h=800&fit=crop&q=80",
        category: "Beauty",
        in_stock: true,
        on_sale: false
      },
      %{
        id: "7",
        name: "Denim Jacket",
        description: "Classic cut denim jacket with vintage wash",
        price: 8499,
        compare_at_price: nil,
        image_url: "https://images.unsplash.com/photo-1576995853123-5a10305d93c0?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1601333144130-8cbb312386b6?w=600&h=800&fit=crop&q=80",
        category: "Clothing",
        in_stock: true,
        on_sale: false
      },
      %{
        id: "8",
        name: "Canvas Tote Bag",
        description: "Durable organic cotton canvas with reinforced handles",
        price: 2999,
        compare_at_price: nil,
        image_url: "https://images.unsplash.com/photo-1622560480605-d83c853bc5c3?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1597633125097-5a9ae3cb8a8f?w=600&h=800&fit=crop&q=80",
        category: "Accessories",
        in_stock: true,
        on_sale: false
      },
      %{
        id: "9",
        name: "Scented Candle",
        description: "Soy wax candle with cedar and vanilla notes",
        price: 3299,
        compare_at_price: 3999,
        image_url: "https://images.unsplash.com/photo-1602028915047-37269d1a73f7?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1603006905003-be475563bc59?w=600&h=800&fit=crop&q=80",
        category: "Home",
        in_stock: true,
        on_sale: true
      },
      %{
        id: "10",
        name: "Stainless Steel Water Bottle",
        description: "Insulated bottle keeps drinks cold for 24 hours",
        price: 3999,
        compare_at_price: nil,
        image_url: "https://images.unsplash.com/photo-1602143407151-7111542de6e8?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1570831739435-6601aa3fa4fb?w=600&h=800&fit=crop&q=80",
        category: "Accessories",
        in_stock: true,
        on_sale: false
      },
      %{
        id: "11",
        name: "Organic Cotton Socks",
        description: "Comfortable crew socks in solid colors",
        price: 1499,
        compare_at_price: nil,
        image_url: "https://images.unsplash.com/photo-1586350977771-b3b0abd50c82?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1582966772680-860e372bb558?w=600&h=800&fit=crop&q=80",
        category: "Clothing",
        in_stock: true,
        on_sale: false
      },
      %{
        id: "12",
        name: "Bamboo Cutting Board",
        description: "Sustainable bamboo with juice groove",
        price: 4499,
        compare_at_price: nil,
        image_url: "https://images.unsplash.com/photo-1594226801341-41427b4e5c22?w=600&h=800&fit=crop&q=80",
        hover_image_url: "https://images.unsplash.com/photo-1606760227091-3dd870d97f1d?w=600&h=800&fit=crop&q=80",
        category: "Kitchen",
        in_stock: true,
        on_sale: false
      }
    ]
  end

  defp mock_cart_items do
    products = mock_products()

    [
      %{
        product: Enum.at(products, 0),
        quantity: 2,
        variant: "Medium / Navy"
      },
      %{
        product: Enum.at(products, 2),
        quantity: 1,
        variant: "One Size"
      },
      %{
        product: Enum.at(products, 6),
        quantity: 1,
        variant: "Large / Black"
      }
    ]
  end

  defp mock_testimonials do
    [
      %{
        id: "1",
        author: "Sarah M.",
        content: "Absolutely love the quality! The attention to detail is incredible.",
        rating: 5,
        date: "2024-01-15"
      },
      %{
        id: "2",
        author: "James L.",
        content: "Fast shipping and beautiful packaging. Will definitely order again.",
        rating: 5,
        date: "2024-01-10"
      },
      %{
        id: "3",
        author: "Emily R.",
        content: "These products have become my everyday favorites. Highly recommend!",
        rating: 5,
        date: "2024-01-05"
      },
      %{
        id: "4",
        author: "Michael T.",
        content: "Great customer service and even better products. Worth every penny.",
        rating: 5,
        date: "2023-12-28"
      },
      %{
        id: "5",
        author: "Lisa K.",
        content: "The craftsmanship is outstanding. You can tell these are made with care.",
        rating: 5,
        date: "2023-12-20"
      },
      %{
        id: "6",
        author: "David P.",
        content: "Perfect gift idea! My friends loved what I got them from here.",
        rating: 5,
        date: "2023-12-15"
      }
    ]
  end

  defp mock_categories do
    [
      %{
        id: "1",
        name: "Clothing",
        slug: "clothing",
        product_count: 3,
        image_url: "https://images.unsplash.com/photo-1489987707025-afc232f7ea0f?w=400&h=300&fit=crop&q=80"
      },
      %{
        id: "2",
        name: "Accessories",
        slug: "accessories",
        product_count: 4,
        image_url: "https://images.unsplash.com/photo-1606760227091-3dd870d97f1d?w=400&h=300&fit=crop&q=80"
      },
      %{
        id: "3",
        name: "Home",
        slug: "home",
        product_count: 3,
        image_url: "https://images.unsplash.com/photo-1616046229478-9901c5536a45?w=400&h=300&fit=crop&q=80"
      },
      %{
        id: "4",
        name: "Kitchen",
        slug: "kitchen",
        product_count: 1,
        image_url: "https://images.unsplash.com/photo-1556909114-f6e7ad7d3136?w=400&h=300&fit=crop&q=80"
      },
      %{
        id: "5",
        name: "Beauty",
        slug: "beauty",
        product_count: 1,
        image_url: "https://images.unsplash.com/photo-1596462502278-27bfdc403348?w=400&h=300&fit=crop&q=80"
      }
    ]
  end
end