import Foundation
import SwiftData

/// One line of the weekly shopping list. Items are either derived from a
/// planned dish's ingredients (`dishId` set) or added free-hand by the user
/// (`dishId == nil`). Check-off state persists across app launches.
@Model
final class ShoppingItem {
    @Attribute(.unique) var id: UUID
    var weekStartDate: Date
    var title: String
    var dishId: UUID?
    var isChecked: Bool = false
    var sortOrder: Int = 0
    var createdAt: Date

    init(
        id: UUID = UUID(),
        weekStartDate: Date,
        title: String,
        dishId: UUID? = nil,
        isChecked: Bool = false,
        sortOrder: Int = 0,
        createdAt: Date = Date()
    ) {
        self.id = id
        self.weekStartDate = weekStartDate
        self.title = title
        self.dishId = dishId
        self.isChecked = isChecked
        self.sortOrder = sortOrder
        self.createdAt = createdAt
    }
}