#import "SignWithApple.h"

static AppleAuth * _appleAuth;

@implementation AppleAuth
+(AppleAuth *)instance{
    if(_appleAuth==nil){
        _appleAuth = [[AppleAuth alloc] init];
    }
    return _appleAuth;
}
#pragma mark- 授权苹果ID
- (void)authorizationAppleID{
    NSLog(@"cypen");
    if (@available(iOS 13.0, *)) {
        // 基于用户的Apple ID授权用户，生成用户授权请求的一种机制
        ASAuthorizationAppleIDProvider * appleIDProvider = [[ASAuthorizationAppleIDProvider alloc] init];
        // 创建新的AppleID 授权请求
        ASAuthorizationAppleIDRequest * authAppleIDRequest = [appleIDProvider createRequest];
        // 在用户授权期间请求的联系信息
//        authAppleIDRequest.requestedScopes = @[ASAuthorizationScopeFullName, ASAuthorizationScopeEmail];
        //如果 KeyChain 里面也有登录信息的话，可以直接使用里面保存的用户名和密码进行登录。
//        ASAuthorizationPasswordRequest * passwordRequest = [[[ASAuthorizationPasswordProvider alloc] init] createRequest];

        NSMutableArray <ASAuthorizationRequest *> * array = [NSMutableArray arrayWithCapacity:2];
        if (authAppleIDRequest) {
            [array addObject:authAppleIDRequest];
        }
//        if (passwordRequest) {
//            [array addObject:passwordRequest];
//        }
        NSArray <ASAuthorizationRequest *> * requests = [array copy];
        // 由ASAuthorizationAppleIDProvider创建的授权请求 管理授权请求的控制器
        ASAuthorizationController * authorizationController = [[ASAuthorizationController alloc] initWithAuthorizationRequests:requests];
         // 设置授权控制器通知授权请求的成功与失败的代理
        authorizationController.delegate = self;
        // 设置提供 展示上下文的代理，在这个上下文中 系统可以展示授权界面给用户
        authorizationController.presentationContextProvider = self;
        // 在控制器初始化期间启动授权流
        [authorizationController performRequests];
    }
}
- (void) authorizationGoogleID{
    NSLog(@"cypgoogle");
    GIDConfiguration *config = [[GIDConfiguration alloc] initWithClientID:[FIRApp defaultApp].options.clientID];
    __weak __auto_type weakSelf = self;
    UnityAppController * root = (UnityAppController*)[UIApplication sharedApplication].delegate;
    [GIDSignIn.sharedInstance signInWithConfiguration:config presentingViewController:root.rootViewController callback:^(GIDGoogleUser * _Nullable user, NSError * _Nullable error) {
    __auto_type strongSelf = weakSelf;
    if (strongSelf == nil) { return; }

    if (error == nil) {
        GIDAuthentication *authentication = user.authentication;
        UnitySendMessage("LoginPanel", "OnMobileGoogleLoginResp", [NSString stringWithFormat:@"true;%@|%@",user.userID,authentication.idToken ].UTF8String);
        // FIRAuthCredential *credential =
        // [FIRGoogleAuthProvider credentialWithIDToken:authentication.idToken
        //                                 accessToken:authentication.accessToken];
        // ...
    } else {
        // ...
    }
    }];
}
#pragma mark- ASAuthorizationControllerDelegate
// 授权成功
- (void)authorizationController:(ASAuthorizationController *)controller didCompleteWithAuthorization:(ASAuthorization *)authorization API_AVAILABLE(ios(13.0)) {
    NSLog(@"cypcg");
    if ([authorization.credential isKindOfClass:[ASAuthorizationAppleIDCredential class]]) {
        
        ASAuthorizationAppleIDCredential * credential = (ASAuthorizationAppleIDCredential *)authorization.credential;
        
        // 苹果用户唯一标识符，该值在同一个开发者账号下的所有 App 下是一样的，开发者可以用该唯一标识符与自己后台系统的账号体系绑定起来。
        NSString * userID = credential.user;
        NSString * token = [[NSString alloc] initWithData:credential.identityToken encoding:NSUTF8StringEncoding];
        
//        NSString * test = [[NSString alloc] initWithData:credential.authorizationCode encoding:NSUTF8StringEncoding];
//        NSLog(test);
        UnitySendMessage("LoginPanel", "OnAppleResp", [NSString stringWithFormat:@"true;%@,%@",userID,token ].UTF8String);
        //把用户的唯一标识 传给后台 判断该用户是否绑定手机号，如果绑定了直接登录，如果没绑定跳绑定手机号页面
//        // 苹果用户信息 如果授权过，可能无法再次获取该信息
//        NSPersonNameComponents * fullName = credential.fullName;
//        NSString * email = credential.email;
//
//        // 服务器验证需要使用的参数
//        NSString * authorizationCode = [[NSString alloc] initWithData:credential.authorizationCode encoding:NSUTF8StringEncoding];
//        NSString * identityToken = [[NSString alloc] initWithData:credential.identityToken encoding:NSUTF8StringEncoding];
//
//        // 用于判断当前登录的苹果账号是否是一个真实用户，取值有：unsupported、unknown、likelyReal
//        ASUserDetectionStatus realUserStatus = credential.realUserStatus;

//        NSLog(@"userID: %@", userID);
//        NSLog(@"fullName: %@", fullName);
//        NSLog(@"email: %@", email);
//        NSLog(@"authorizationCode: %@", authorizationCode);
//        NSLog(@"identityToken: %@", identityToken);
//        NSLog(@"realUserStatus: %@", @(realUserStatus));
    }else if ([authorization.credential isKindOfClass:[ASPasswordCredential class]]) {
        // 这个获取的是iCloud记录的账号密码，需要输入框支持iOS 12 记录账号密码的新特性，如果不支持，可以忽略
        // 用户登录使用现有的密码凭证
        // ASPasswordCredential * passwordCredential = (ASPasswordCredential *)authorization.credential;
        // 密码凭证对象的用户标识 用户的唯一标识
        // NSString * user = passwordCredential.user;
        // NSLog(user);
        // UnitySendMessage("LoginPanel", "OnAppleResp", [NSString stringWithFormat:@"true,%@",user ].UTF8String);
        //把用户的唯一标识 传给后台 判断该用户是否绑定手机号，如果绑定了直接登录，如果没绑定跳绑定手机号页面
        
//        // 密码凭证对象的密码
//        NSString * password = passwordCredential.password;
//        NSLog(@"userID: %@", user);
//        NSLog(@"password: %@", password);
        
    } else {
        
    }
}
// 授权失败
- (void)authorizationController:(ASAuthorizationController *)controller didCompleteWithError:(NSError *)error API_AVAILABLE(ios(13.0)) {
    NSString *errorMsg = nil;
    NSLog(@"cypsb");
    switch (error.code) {
        case ASAuthorizationErrorCanceled:
            errorMsg = @"用户取消了授权请求";
            break;
        case ASAuthorizationErrorFailed:
            errorMsg = @"授权请求失败";
            break;
        case ASAuthorizationErrorInvalidResponse:
            errorMsg = @"授权请求响应无效";
            break;
        case ASAuthorizationErrorNotHandled:
            errorMsg = @"未能处理授权请求";
            break;
        case ASAuthorizationErrorUnknown:
            errorMsg = @"授权请求失败未知原因";
            break;
    }
    UnitySendMessage("LoginPanel", "OnAppleResp", [NSString stringWithFormat:@"false;%@",errorMsg ].UTF8String);
}
@end

void authorizationAppleID(){
    AppleAuth * a = [AppleAuth instance];
    [a authorizationAppleID];
}

void authorizationGoogleID(){
    AppleAuth * a = [AppleAuth instance];
    [a authorizationGoogleID];
}