//
//  KMPurchaseManager.swift
//  PDF Reader Pro
//
//  Created by lizhe on 2023/6/1.
//

import Cocoa
        
@objc enum KMPurchaseManagerState: Int, CaseIterable {
    case unknow = 0//"unknow"
    case trial = 1//"Trial" //试用
    case trialExpired = 2//"Trial Expired" //试用过期
    case subscription = 3//"Subscription" //订阅
    case subscriptionExpired = 4//"Subscription Expired" //订阅过期
}

#if VERSION_DMG

#endif

typealias KMPurchaseCompletion = (_ isSuccess: Bool, _ error: KMInAppPurchaseState) -> Void
typealias KMPurchaseFetchProductCompletion = (_ isSuccess: Bool, _ products: Array<Any>, _ error: KMInAppPurchaseState?) -> Void
typealias KMPurchaseRestoreCompletion = (_ isSuccess: Bool, _ error: KMInAppPurchaseState) -> Void
typealias KMPurchaseCheckSubscriptionStatusCompletion = (_ isSubscription: Bool) -> Void
class KMPurchaseManager: NSObject {
    public static let manager = KMPurchaseManager()
    
    var state: KMPurchaseManagerState {
        get {
#if DEBUG
            //方便调整订阅状态
//            return .subscription
#endif
            if (IAPProductsManager.default().isAvailableAllFunction()) {
                return .subscription
            }
            
            if KMInAppPurchaseManager.manager.state == .subscription {
                return .subscription
            } else {
                return KMDMGPurchaseManager.manager.state
            }
        }
    }
    var availableProducts: [KMProduct] = []
    
    override init() {
        super.init()
    }
    
    func fetchProducts(completeion: @escaping KMPurchaseFetchProductCompletion) {
        KMPrint("获取产品中")
#if VERSION_FREE
        KMPrint("正在获取产品中AppStore")
        KMInAppPurchaseManager.manager.fetchProducts(completion: completeion)
#endif
        
#if VERSION_DMG
        KMPrint("正在获取产品中DMG")
        KMDMGPurchaseManager.manager.fetchProducts(completion: completeion)
#endif
    }
    
    func purchaseProduct(productIdentifier: String, completion: @escaping KMPurchaseCompletion) {
        KMPrint("准备订阅中")
#if VERSION_FREE
        KMPrint("正在订阅中AppStore")
        
#endif
        
#if VERSION_DMG
        KMPrint("正在订阅中DMG")
        var email: String = UserDefaults.standard.value(forKey: "kLoginEmail") as? String ?? ""
        KMDMGPurchaseManager.manager.purchaseProduct(productIdentifier: productIdentifier, email: email, completion: completion)
#endif
    }
    
    func showStore() {
 
    }
    
    func showPurchasesInfo() {
 
    }
    
    func restorePurchases(_ completion: @escaping KMPurchaseRestoreCompletion) {
        KMPrint("准备restore")
#if VERSION_FREE
        KMPrint("正在restore")
        KMInAppPurchaseManager.manager.restorePurchases("", completion)
#endif
        
#if VERSION_DMG
        KMDMGPurchaseManager.manager.restorePurchases()
        KMPrint("正在restore DMG")
#endif
    }
    
    func checkSubscriptionStatus(_ completion: @escaping KMPurchaseCheckSubscriptionStatusCompletion) {
#if VERSION_FREE
        KMInAppPurchaseManager.manager.checkSubscriptionStatus(completion)
#endif
        
#if VERSION_DMG
        
#endif
    }
}