//
//  Defaults.swift
//  WorkoutsPlus
//
//  Created by Felix Förtsch on 04.09.24.
//

import Foundation
import SwiftUI

public class Defaults: ObservableObject {
		@AppStorage("isDebug") public var isDebug = true
		
		@AppStorage("isFirstAppStart") public var isFirstAppStart = true
		@AppStorage("isOnboarding") public var isOnboarding = true
		@AppStorage("isTrainerMode") public var isTrainerMode = false
		@AppStorage("isWorkingOut") public var isWorkingOut = false
		
		@AppStorage("userId") public var userId = UUID().uuidString
		@AppStorage("defaultWorkoutId") public var defaultWorkoutId: String = ""
		
		@AppStorage("sets") public var sets = 8
		@AppStorage("reps") public var reps = 8
		
		// TODO: Maybe store session and workout ids to recover from app close
		//		@AppStorage("activeWorkoutSessionId") public var activeWorkoutSessionId: String = ""
		//		@AppStorage("activeWorkoutId") public var activeWorkoutId: String = ""
		
		public static let shared = Defaults()
}

@propertyWrapper
public struct Default<T>: DynamicProperty {
		@ObservedObject private var defaults: Defaults
		private let keyPath: ReferenceWritableKeyPath<Defaults, T>
		
		public init(_ keyPath: ReferenceWritableKeyPath<Defaults, T>, defaults: Defaults = .shared) {
				self.keyPath = keyPath
				self.defaults = defaults
		}
		
		public var wrappedValue: T {
				get { defaults[keyPath: keyPath] }
				nonmutating set { defaults[keyPath: keyPath] = newValue }
		}
		
		public var projectedValue: Binding<T> {
				Binding(
						get: { defaults[keyPath: keyPath] },
						set: { value in
								defaults[keyPath: keyPath] = value
						}
				)
		}
}