//
//  AppleSignIn.m
//  Unity-iPhone
//
//  Created by zhl on 2022/11/28.
//

#import "AppleSignIn.h"


static id _instance;


@implementation AppleSignIn

+ (instancetype)sharedInstance{
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _instance = [[self alloc] init];
    });
    return  _instance;
}

+ (instancetype)allocWithZone:(struct _NSZone *)zone {
  static dispatch_once_t onceToken;
  dispatch_once(&onceToken, ^{
      _instance = [super allocWithZone:zone];
  });
  return _instance;
}

- (id)copyWithZone:(nullable NSZone *)zone {
    return _instance;
}

- (void)signIn:(NSString *)funid presentingViewController:(UIViewController *)presentingViewController completion:(nullable AppleSignInCompletion)completion API_AVAILABLE(ios(13.0)){
  self.completion = completion;
  self.funid = funid;
  ASAuthorizationAppleIDProvider *appleIdProvider = [[ASAuthorizationAppleIDProvider alloc] init];
  ASAuthorizationAppleIDRequest *request = appleIdProvider.createRequest;
  request.requestedScopes = @[ASAuthorizationScopeEmail, ASAuthorizationScopeFullName];
  ASAuthorizationController *controller = [[ASAuthorizationController alloc] initWithAuthorizationRequests:@[request]];
  controller.delegate = self;
  [controller performRequests];
}

#pragma mark -- ASAuthorizationControllerDelegate
- (void)authorizationController:(ASAuthorizationController *)controller didCompleteWithAuthorization:(ASAuthorization *)authorization  API_AVAILABLE(ios(13.0)) {
  if ([authorization.credential isKindOfClass:[ASAuthorizationAppleIDCredential class]]) {
    ASAuthorizationAppleIDCredential *credential = authorization.credential;
    NSString *idToken = [[NSString alloc] initWithData:credential.identityToken encoding:NSUTF8StringEncoding];
    NSLog(@"identityToken: %@",idToken);
    if (self.completion) {
      dispatch_async(dispatch_get_main_queue(), ^{
        self.completion(idToken, nil);
      });
    }
//    NSString *user = credential.user;
//    NSString *authStr = [[NSString alloc] initWithData:credential.authorizationCode encoding:NSUTF8StringEncoding];
//    NSLog(@"fullName: %@",credential.fullName);
//    NSLog(@"user: %@",user);
    
//    [self nativeCb:funid hasErr:NO dataStr:idToken];
  }
//  else if ([authorization.credential isKindOfClass:[ASPasswordCredential class]]) {
//    // 用户登录使用现有的密码凭证
//    ASPasswordCredential *psdCredential = authorization.credential;
//    // 密码凭证对象的用户标识 用户的唯一标识
//    NSString *user = psdCredential.user;
//    NSString *psd = psdCredential.password;
//    NSLog(@"psduser -  %@   %@",psd,user);
//  }
  else {
    NSError *err = [NSError errorWithDomain:@"apple_sign"
                                      code:100
                                   userInfo:@{
                                               NSLocalizedDescriptionKey:@"authorization info mismath"
                                   }];
    [self throwError:err];
    
  }
}

- (void) throwError:(NSError *) err {
  if (self.completion) {
    dispatch_async(dispatch_get_main_queue(), ^{
      self.completion(nil, err);
    });
  }
}

#pragma mark -- ASAuthorizationControllerDelegate
- (void)authorizationController:(ASAuthorizationController *)controller didCompleteWithError:(NSError *)error  API_AVAILABLE(ios(13.0)){
  NSLog(@"错误信息：%@", error);
  [self throwError:error];
//  NSString *errorMsg;
//  switch (error.code) {
//    case ASAuthorizationErrorCanceled:
//      errorMsg = @"用户取消了授权请求";
//      NSLog(@"errorMsg -   %@",errorMsg);
//      break;
//
//    case ASAuthorizationErrorFailed:
//      errorMsg = @"授权请求失败";
//      NSLog(@"errorMsg -   %@",errorMsg);
//      break;
//
//    case ASAuthorizationErrorInvalidResponse:
//      errorMsg = @"授权请求响应无效";
//      NSLog(@"errorMsg -   %@",errorMsg);
//      break;
//
//    case ASAuthorizationErrorNotHandled:
//      errorMsg = @"未能处理授权请求";
//      NSLog(@"errorMsg -   %@",errorMsg);
//      break;
//
//    case ASAuthorizationErrorUnknown:
//      errorMsg = @"授权请求失败未知原因";
//      NSLog(@"errorMsg -   %@",errorMsg);
//      break;
//
//    default:
//      break;
//  }
}




@end