//
//  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"
#import <GoogleSignIn/GoogleSignIn.h>
@import GoogleSignIn;

static NSString * const kClientID =
@"165555585193-alshovj5m91vlmj8uuhb11e6msvq32gm.apps.googleusercontent.com";

@implementation UIViewController (Wallet)

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

-(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 {
    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];
    }];
}
-(void) refreshTokenID:(GIDGoogleUser *)user {
    [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);
    }];
}

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

-(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);
}


@end