//
//  NYAppleApiManager.swift
//  JiaPeiManage
//
//  Created by Ning.ge on 2023/8/7.
//

import Foundation
import SwiftyJSON
import RxSwift
import AuthenticationServices

class NYAppleApiManager : NSObject {
    //rxcode 回调
    let blockSubject = PublishSubject<[String]>()
    var city:String = ""
    // 静态属性，用于存储单例实例
    static let shared = NYAppleApiManager()
    override init() {
        super.init()
    }
    
    func performSignIn(city:String){
        self.city = city
        if #available(iOS 13.0, *) {
            let appleIDProvider = ASAuthorizationAppleIDProvider()
            let request = appleIDProvider.createRequest()
            request.requestedScopes = [.fullName, .email]
            
            let authorizationController = ASAuthorizationController(authorizationRequests: [request])
            authorizationController.delegate = self
            authorizationController.presentationContextProvider = self
            authorizationController.performRequests()
        } else {
            // Fallback on earlier versions
            NYTips.showMsg(txt: "请升级到iOS13.0以上")
        }
        
    }
}

extension NYAppleApiManager: ASAuthorizationControllerDelegate, ASAuthorizationControllerPresentationContextProviding {
    
    
    // ASAuthorizationControllerDelegate methods
    @available(iOS 13.0, *)
    func authorizationController(controller: ASAuthorizationController, didCompleteWithAuthorization authorization: ASAuthorization) {
        if let appleIDCredential = authorization.credential as? ASAuthorizationAppleIDCredential {
            // Get the user's unique Apple ID and user information
            let userIdentifier = appleIDCredential.user
            let fullName = appleIDCredential.fullName
            let email = appleIDCredential.email
            var array = [userIdentifier]
            // 服务器验证需要使用的参数
            if let authorizationCodeData = appleIDCredential.authorizationCode,
               let authorizationCode = String(data: authorizationCodeData, encoding: .utf8) {
                print("Authorization Code: \(authorizationCode)")
            }

            if let identityTokenData = appleIDCredential.identityToken,
               let identityToken = String(data: identityTokenData, encoding: .utf8) {
                array.append(identityToken)
                print("Identity Token: \(identityToken)")
            }
            print("User ID: \(userIdentifier)")
            if let fullName = fullName {
                print("Full Name: \(fullName.givenName ?? "") \(fullName.familyName ?? "")")
            }
            if let email = email {
                print("Email: \(email)")
            }
            self.blockSubject.onNext(array) //发送rx消息
        }
    }
    
    @available(iOS 13.0, *)
    func authorizationController(controller: ASAuthorizationController, didCompleteWithError error: Error) {
        // Handle sign-in errors
        NYTips.showMsg(txt: "apple授权失败")
        print("Sign In with Apple failed(授权失败): \(error.localizedDescription)")
    }
    
    // ASAuthorizationControllerPresentationContextProviding method
    @available(iOS 13.0, *)
    func presentationAnchor(for controller: ASAuthorizationController) -> ASPresentationAnchor {
        let vc = NYWindow.currentVc()
        return vc.view.window!
    }
}