ios-unity/Classes_cocos/UIViewController+Wallet.mm

//
//  UIViewController+Wallet.m
//  Unity-iPhone
//
//  Created by zhl on 2022/9/1.
//

#import "UIViewController+Wallet.h"
#import "QRCodeReaderViewController.h"
#import "QRCodeReader.h"
#import "QRCodeReaderDelegate.h"
#include <string>
#include "WalletEvent.h"
#include "JcWallet.h"
#import <GoogleSignIn/GoogleSignIn.h>
#include "SSKeychain.h"
@import GoogleSignIn;

static NSString * const kClientID =
@"53206975661-0d6q9pqljn84n9l63gm0to1ulap9cbk4.apps.googleusercontent.com";
static NSString * const cebgWalletService = @"CEBG-wallet";

@implementation UIViewController (Wallet)

+(void)toWallet:(NSString *)url{
    UIApplication *app = [UIApplication sharedApplication];
    [app openURL:[NSURL URLWithString:url]];
}

-(void)showQRCode:(NSString *) content title:(NSString *) title oid:(NSString *) oid {
  NSLog(@"showQRCode content: %@, title: %@, oid: %@", content, title, oid);
}
-(void)loadRestoreKey:(NSString *)funid oid:(NSString *) oid{
  NSLog(@"loadRestoreKey::funid: %@, oid:%@", funid, oid);
}
-(void)saveKey:(NSString *) account key:(NSString *) key {
  NSLog(@"saveKey::account:%@, key: %@", account, key);
  [SSKeychain setPassword:key forService:cebgWalletService account:account];
  [SSKeychain setAccessibilityType:kSecAttrAccessibleWhenUnlocked];
}
-(NSString *)loadKey:(NSString *) account {
  NSLog(@"loadKey::account:%@", account);
  NSError *error = nil;
  NSString *password = [SSKeychain passwordForService:cebgWalletService account:account error:&error];
  if ([error code] == SSKeychainErrorNotFound) {
    NSLog(@"password not found, account: %@", account);
    return @"";
  } else {
    NSLog(@"password for %@ is %@", account, password);
    return password;
  }
}

-(void)scanQRCode:(NSString *)funid title:(NSString *) title{
    NSLog(@"scanQRCode:: funId: %@ title: %@", funid, title);
    std::string sfunid = std::string([funid UTF8String], [funid lengthOfBytesUsingEncoding:NSUTF8StringEncoding]);
    if ([QRCodeReader supportsMetadataObjectTypes:@[AVMetadataObjectTypeQRCode]]) {
        static QRCodeReaderViewController *vc = nil;
        static dispatch_once_t onceToken;
        
        dispatch_async(dispatch_get_main_queue(), ^{
            // if we are active again, we don't need to do this anymore
            if (vc == nil) {
                QRCodeReader *reader = [QRCodeReader readerWithMetadataObjectTypes:@[AVMetadataObjectTypeQRCode]];
                vc = [QRCodeReaderViewController readerWithCancelButtonTitle:@"Cancel" codeReader:reader startScanningAtLoad:YES showSwitchCameraButton:YES showTorchButton:YES];
                vc.modalPresentationStyle = UIModalPresentationFormSheet;
            }
            
            [vc setCompletionWithBlock:^(NSString *resultAsString) {
                NSLog(@"Completion with result: %@", resultAsString);
                [self dismissViewControllerAnimated:YES completion:^{
                    
                    NSString *result;
                    if (resultAsString.length > 0) {
                        result = [NSString stringWithFormat:@"{errcode: 0, data: '%@'}", resultAsString];
                    } else {
                        result = [NSString stringWithFormat:@"{errcode: 1, errmsg: 'cancel'}"];
                    }
                    std::string sresult = std::string([result UTF8String], [result lengthOfBytesUsingEncoding:NSUTF8StringEncoding]);
                    WalletEvent::Emit(sfunid.c_str(), sresult.c_str());
                }];
            }];
            [self presentViewController:vc animated:YES completion:NULL];
        });
    }
    else {
        dispatch_async(dispatch_get_main_queue(), ^{
            UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"Error"
                                                                                     message:@"The camera is need to scan QR codes"
                                                                              preferredStyle:UIAlertControllerStyleAlert];
            //We add buttons to the alert controller by creating UIAlertActions:
            UIAlertAction *actionOk = [UIAlertAction actionWithTitle:@"Cancel"
                                                               style:UIAlertActionStyleCancel
                                                             handler: ^(UIAlertAction *action){
                NSLog(@"alert cancel pressed");
            }]; //You can use a block here to handle a press on this button
            //
            UIAlertAction *setting = [UIAlertAction actionWithTitle:@"Setting"
                                                              style:UIAlertActionStyleDefault
                                                            handler: ^(UIAlertAction *action){
                NSLog(@"setting pressed");
                NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString];
                if ([[UIApplication sharedApplication] canOpenURL:url]){
                    [[UIApplication sharedApplication] openURL:url];
                }
            }];
            [alertController addAction:actionOk];
            [alertController addAction:setting];
            [self presentViewController:alertController animated:YES completion:nil];
        });
        
        std::string sresult = "{errcode: 1, errmsg: 'no camera permission'}";
        WalletEvent::Emit(sfunid.c_str(), sresult.c_str());
    }
}

-(void)signToGoogle:(NSString *) funid {
    GIDConfiguration *_configuration = [[GIDConfiguration alloc] initWithClientID:kClientID];
    [GIDSignIn.sharedInstance signInWithConfiguration:_configuration
                             presentingViewController:self
                                           completion:^(GIDGoogleUser *user, NSError *error) {
        if (error) {
            NSLog(@"Status: Authentication error: %@", error);
        }
        [self refreshUserInfo];
        [self refreshTokenID: user funid:funid];
    }];
}
-(void) refreshTokenID:(GIDGoogleUser *)user funid:(NSString*) funid{
    [user.authentication doWithFreshTokens:^(GIDAuthentication * _Nullable authentication,
                                             NSError * _Nullable error) {
        if (error) { return; }
        if (authentication == nil) { return; }
        
        NSString *idToken = authentication.idToken;
        // Send ID token to backend (example below).
        NSLog(@"idToken: %@", idToken);
        std::string methodName = "nativeCallBack";
        NSString *paramStr = [NSString stringWithFormat:@"{\"errcode\": 0, \"data\": \"%@\"}", idToken];
        std::string sfunid = std::string([funid UTF8String], [funid lengthOfBytesUsingEncoding:NSUTF8StringEncoding]);
        std::string sparam = std::string([paramStr UTF8String], [paramStr lengthOfBytesUsingEncoding:NSUTF8StringEncoding]);
        cocos2d::nativeCallBack(sfunid.c_str(), methodName.c_str(), sparam.c_str());
    }];
}

-(void)signWithGoogle:(NSString *)funid {
    [GIDSignIn.sharedInstance restorePreviousSignInWithCompletion:^(GIDGoogleUser * _Nullable user,
                                                                    NSError * _Nullable error) {
        if (error) {
            // Show the app's signed-out state.
            [self signToGoogle: funid];
        } else {
            // Show the app's signed-in state.
            [self refreshTokenID: user funid:funid];
        }
    }];
    
}

-(void)signOutGoogle:(NSString *)funid {
    [GIDSignIn.sharedInstance signOut];
}

- (void)reportAuthStatus {
    GIDGoogleUser *googleUser = [GIDSignIn.sharedInstance currentUser];
    if (googleUser.authentication) {
        NSLog(@"Status: Authenticated");
    } else {
        // To authenticate, use Google Sign-In button.
        NSLog(@"Status: Not authenticated");
    }
    
    [self refreshUserInfo];
}

- (void)refreshUserInfo {
    if (GIDSignIn.sharedInstance.currentUser.authentication == nil) {
        return;
    }
    NSLog(@"email: %@", GIDSignIn.sharedInstance.currentUser.profile.email);
    NSLog(@"username: %@", GIDSignIn.sharedInstance.currentUser.profile.name);
    NSLog(@"userid: %@", GIDSignIn.sharedInstance.currentUser.userID);
    NSLog(@"givenName: %@", GIDSignIn.sharedInstance.currentUser.profile.givenName);
    NSLog(@"familyName: %@", GIDSignIn.sharedInstance.currentUser.profile.familyName);
    NSLog(@"hostedDomain: %@", GIDSignIn.sharedInstance.currentUser.hostedDomain);
}

-(void)checkOnSvr:(NSString *) idToken {
//    NSString *signinEndpoint = @"https://yourbackend.example.com/tokensignin";
//    NSDictionary *params = @{@"idtoken": idToken};
//
//    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:signinEndpoint];
//    [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
//    [request setHTTPMethod:@"POST"];
//    [request setHTTPBody:[self httpBodyForParamsDictionary:params]];
//
//    NSOperationQueue *queue = [[NSOperationQueue alloc] init];
//    [NSURLConnection sendAsynchronousRequest:request
//                                       queue:queue
//                           completionHandler:^(NSURLResponse *response, NSData *data, NSError *error) {
//        if (error) {
//            NSLog(@"Error: %@", error.localizedDescription);
//        } else {
//            NSLog(@"Signed in as %@", data.bytes);
//        }
//    }];
}


@end