WebApp/ShenQi/LaunchViewController.m

//
//  LaunchViewController.m
//  ShenQi
//
//  Created by Yao on 2024/12/19.
//

#import "LaunchViewController.h"

#import <SVProgressHUD.h>

#import "AppDelegate.h"
#import "MacroDefine.h"

#import "ConfigData.h"
#import "ConfigDataModel.h"

#import "MainOldViewController.h"

@interface LaunchViewController ()

@property (nonatomic, strong) NSString *mainUserId;
@property (nonatomic, strong) NSString *mainURLString;

@end

@implementation LaunchViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.mainUserId = NowUserId;
    
    [self setupGameURLData];
}

-(void)intoMainWebView:(NSString *)backupDomains {
    //主域名不行用备用域名
    NSArray *textArr = [backupDomains componentsSeparatedByString:@","];
    [self getAccessibleDomain:self.mainURLString backupDomains:textArr completion:^(NSString *accessibleDomain) {
        dispatch_async(dispatch_get_main_queue(), ^{
            self.mainURLString = accessibleDomain;
            UIStoryboard *sb = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
            MainOldViewController *webViewController = [sb instantiateViewControllerWithIdentifier:@"MainOldViewController"];
            webViewController.mainURLString = self.mainURLString;
            AppDelegate *appDelegate = (AppDelegate *)[UIApplication sharedApplication].delegate;
            appDelegate.mainURLString = self.mainURLString;
            appDelegate.window.rootViewController = webViewController;
        });
    }];
}

-(void)setupGameURLData
{
    NSString *urlstring = [NSString stringWithFormat:@"%@?userId=%@",ConfigURL,self.mainUserId];
    NSURL *url = [NSURL URLWithString:urlstring];

    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
    request.HTTPMethod = @"GET";
    [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];

    NSURLSession *session = [NSURLSession sharedSession];
    NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        dispatch_async(dispatch_get_main_queue(), ^{
            if (error) {
                [SVProgressHUD showInfoWithStatus:error.localizedDescription];
            }else{
                NSError *error;
                NSMutableDictionary *responseObject = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&error];
                if (error) {
                    [SVProgressHUD showInfoWithStatus:error.localizedDescription];
                }else{
                    if (ISNULL(error) && !ISNULL(responseObject) && [[responseObject objectForKey:@"code"] integerValue] == 1) {
                        NSDictionary *datadic = [responseObject objectForKey:@"data"];
                        
                        ConfigDataModel *model = [[ConfigDataModel alloc] initWithDictionary:responseObject];
                        AppDelegate *appDelegate = (AppDelegate *)[UIApplication sharedApplication].delegate;
                        appDelegate.data = model.data;
                        
                        if (model.data.isUse == 1) {
                            if (model.data.contactApplyMode == 1 || model.data.noticeApplyMode == 1) {
                                [appDelegate applicationDidBecomeActive:nil];
                            }
                            
                            // 判断是否有新版本
                            [self compareVersionWithDictionary:datadic];
                            
                            self.mainURLString = [datadic objectForKey:@"url"];
                            self.mainURLString = [self.mainURLString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
                            NSString *backupDomains = [datadic objectForKey:@"backupDomains"];
                            if (!ISNULLSTR(self.mainURLString)) {
                                [self intoMainWebView:backupDomains];
                            }
                        }else{
                            dispatch_async(dispatch_get_main_queue(), ^{
                                UIAlertController *alertview = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"Tips", nil) message:NSLocalizedString(@"App Can not Use", nil) preferredStyle:(UIAlertControllerStyleAlert)];
                                UIAlertAction *action = [UIAlertAction actionWithTitle:NSLocalizedString(@"OK", nil) style:(UIAlertActionStyleCancel) handler:^(UIAlertAction * _Nonnull action) {
                                    exit(0);
                                }];
                                [alertview addAction:action];
                                [self presentViewController:alertview animated:YES completion:^{}];
                            });
                        }
                    }
                }
            }
        });
    }];
    [dataTask resume];
}

-(void)compareVersionWithDictionary:(NSDictionary *)datadic
{
    AppDelegate *appdelegate = (AppDelegate *)[UIApplication sharedApplication].delegate;
    
    NSString *iosVersionCode = [datadic objectForKey:@"iosVersionCode"];
    appdelegate.downloadUrl = [datadic objectForKey:@"downloadUrl"];
    
    NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary];
    NSString *localVison = infoDict[@"CFBundleShortVersionString"];
    if ([localVison compare:iosVersionCode] == NSOrderedAscending) {
        
        appdelegate.forceUpdate = [[datadic objectForKey:@"forceUpdate"] boolValue];
        
        UIAlertController *alertview = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"Tips", nil) message:NSLocalizedString(@"New version found", nil) preferredStyle:(UIAlertControllerStyleAlert)];
        UIAlertAction *action = [UIAlertAction actionWithTitle:NSLocalizedString(@"Update", nil) style:(UIAlertActionStyleDefault) handler:^(UIAlertAction * _Nonnull action) {
            appdelegate.isRefresh = NO;
            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:appdelegate.downloadUrl] options:@{} completionHandler:^(BOOL success) {}];
        }];
        [alertview addAction:action];
        if (appdelegate.forceUpdate == NO) {
            UIAlertAction *cancelaction = [UIAlertAction actionWithTitle:NSLocalizedString(@"CANCEL", nil) style:(UIAlertActionStyleCancel) handler:^(UIAlertAction * _Nonnull action) {}];
            [alertview addAction:cancelaction];
        }
        dispatch_async(dispatch_get_main_queue(), ^{
            [self presentViewController:alertview animated:YES completion:^{}];
        });
    }
}

- (void)checkDomainAccessibility:(NSString *)domain completion:(void(^)(BOOL isAccessible))completion {
    NSString *urlString = domain;
    NSURL *url = [NSURL URLWithString:urlString];

    NSURLSessionDataTask *task = [[NSURLSession sharedSession] dataTaskWithURL:url completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
        BOOL isAccessible = NO;
            
        if (error) {
            // 请求失败
            NSLog(@"Domain %@ is not reachable: %@", domain, error.localizedDescription);
        } else {
            // 请求成功，检查返回的状态码
            NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
            if (httpResponse.statusCode == 200) {
                isAccessible = YES;
            } else {
                NSLog(@"Domain %@ returned status code: %ld", domain, (long)httpResponse.statusCode);
            }
        }
        
        // 回调，返回访问状态
        if (completion) {
            completion(isAccessible);
        }
    }];
    [task resume];
    
}

#pragma mark - 主域名不行用备用域名
- (void)getAccessibleDomain:(NSString *)primaryDomain backupDomains:(NSArray<NSString *> *)backupDomains completion:(void(^)(NSString *accessibleDomain))completion {
    if (ISNULLARRAY(backupDomains)) {
        if (completion) {
            completion(primaryDomain);
        }
        return;
    }
    
    // 首先检查主域名
    [self checkDomainAccessibility:primaryDomain completion:^(BOOL isAccessible) {
        if (isAccessible) {
            // 如果主域名可访问，直接返回主域名
            if (completion) {
                completion(primaryDomain);
            }
        } else {
            // 主域名不可访问，遍历备用域名
            __block NSString *reachableDomain = nil;
            dispatch_group_t group = dispatch_group_create();
            
            // 遍历备用域名进行检查
            for (NSString *backupDomain in backupDomains) {
                dispatch_group_enter(group);
                
                [self checkDomainAccessibility:backupDomain completion:^(BOOL isAccessible) {
                    if (isAccessible && !reachableDomain) {
                        reachableDomain = backupDomain;
                    }
                    dispatch_group_leave(group);
                }];
            }
            
            // 等待所有备用域名的检查完成
            dispatch_group_notify(group, dispatch_get_main_queue(), ^{
                // 如果找到了可访问的备用域名，返回它
                if (reachableDomain) {
                    if (completion) {
                        completion(reachableDomain);
                    }
                } else {
                    // 如果所有域名都不可访问，返回主域名
                    if (completion) {
                        completion(primaryDomain);
                    }
                }
            });
        }
    }];
}

@end