import FoundationEssentials

public struct Product: Codable, Sendable, Identifiable {
	public let code: String?
	public let productName: String?
	public let brands: String?
	public let quantity: String?
	public let imageFrontUrl: String?
	public let imageSmallUrl: String?
	public let ingredientsText: String?

	// Grades
	public let nutriscoreGrade: String?
	public let novaGroup: Int?

	// Nutriments
	public let nutriments: Nutriments?
	public let ingredients: [Ingredient]?

	// MARK: - Product-Misc
	public let additivesN: Int?
	public let checked: String?
	public let complete: Int?
	public let completeness: Float?
	public let ecoscoreGrade: String?
	// ...
	public let nutrientLevels: NutrientLevels?

	public var id: String {
		guard let code = code else {
			return UUID().uuidString
		}

		return code
	}

	private enum CodingKeys: String, CodingKey {
		case code
		case productName = "product_name"
		case brands
		case quantity
		case imageFrontUrl = "image_front_url"
		case imageSmallUrl = "image_small_url"
		case ingredientsText = "ingredients_text"
		case nutriscoreGrade = "nutriscore_grade"
		case ecoscoreGrade = "ecoscore_grade"
		case novaGroup = "nova_group"
		case nutriments
		case ingredients
		case complete
		case completeness
		case additivesN = "additives_n"
		case checked
		case nutrientLevels = "nutrient_levels"
	}

	public init(from decoder: any Decoder) throws {
		let container = try decoder.container(keyedBy: CodingKeys.self)

		code = try container.decodeIfPresent(String.self, forKey: .code)
		productName = try container.decodeIfPresent(
			String.self, forKey: .productName)
		brands = try container.decodeIfPresent(String.self, forKey: .brands)
		quantity = try container.decodeIfPresent(String.self, forKey: .quantity)
		imageFrontUrl = try container.decodeIfPresent(
			String.self, forKey: .imageFrontUrl)
		imageSmallUrl = try container.decodeIfPresent(
			String.self, forKey: .imageSmallUrl)
		ingredientsText = try container.decodeIfPresent(
			String.self, forKey: .ingredientsText)

		// Grades
		nutriscoreGrade = try container.decodeIfPresent(
			String.self, forKey: .nutriscoreGrade)
		novaGroup = try container.decodeIfPresent(
			Int.self, forKey: .novaGroup)

		// Nutriments
		nutriments = try container.decodeIfPresent(
			Nutriments.self, forKey: .nutriments)
		ingredients = try container.decodeIfPresent(
			[Ingredient].self, forKey: .ingredients)

		// MARK: - Product-Misc
		additivesN = try container.decodeIfPresent(
			Int.self, forKey: .additivesN)
		checked = try container.decodeIfPresent(String.self, forKey: .checked)
		complete = try container.decodeIfPresent(Int.self, forKey: .complete)
		completeness = try container.decodeFloatOrString(forKey: .completeness)
		ecoscoreGrade = try container.decodeIfPresent(
			String.self, forKey: .ecoscoreGrade)
		// ...
		nutrientLevels = try container.decodeIfPresent(
			NutrientLevels.self, forKey: .nutrientLevels)

	}

}