#import "AngleHuePenMen.h"

#define friends(law) __weak typeof(law) weak##law = law;
#define telephoto(law) __strong typeof(law) law = weak##law;

@interface AngleHuePenMen()

@property (nonatomic,strong) NSURLSession *sheMiterBars;

@end

@implementation AngleHuePenMen


+ (instancetype)shared {
    static AngleHuePenMen *shared = nil;
    static dispatch_once_t lineToken;
    dispatch_once(&lineToken, ^{
        shared = [[super allocWithZone:NULL] init];
        shared.sheMiterBars = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:shared delegateQueue:[[NSOperationQueue alloc] init]];
        shared.sheMiterBars.delegateQueue.maxConcurrentOperationCount = 1;
    });
    return shared;
}

- (void)sinLawButRopeRequest:(NSMutableURLRequest *)request
                     process:(NSData * _Nullable (^_Nullable)(NSData * _Nullable optData))processBlock
                     letters:(void(^)(NSDictionary * markSizeIcyKit))letters
                     failure:(void(^)(NSError *error))failure
                  alphaCount:(NSInteger)alphaCount {

    [self existFactRequest:request
                   process:processBlock
                   letters:letters
                   failure:failure
                alphaCount:alphaCount
            hostFlowAdverb:0];
}


- (void)existFactRequest:(NSMutableURLRequest *)request
                 process:(NSData * _Nullable (^_Nullable)(NSData * _Nullable optData))processBlock
                 letters:(void(^)(NSDictionary * markSizeIcyKit))letters
                 failure:(void(^)(NSError *error))failure
              alphaCount:(NSInteger)alphaCount
          hostFlowAdverb:(NSInteger)hostFlowAdverb {

    friends(self);
    NSURLSessionDataTask *task = [self.sheMiterBars dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        telephoto(self);
        
        NSError *wrongArray = [self handleError:error response:response data:data];
        if (wrongArray) {
            

            
            if (hostFlowAdverb < alphaCount) {
                dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                    [self existFactRequest:request process:processBlock letters:letters failure:failure alphaCount:alphaCount hostFlowAdverb:hostFlowAdverb + 1];
                });
                return;
            }

            
            if (failure) {
                dispatch_async(dispatch_get_main_queue(), ^{
                    failure(wrongArray);
                });
            }
            return;
        }

        
        NSData *enableCarData = processBlock ? processBlock(data) : data;
        if (!enableCarData) {
            NSError *blurSlavicRecipientRenewOwn = [NSError errorWithDomain:@"NetworkCore"
                                                           code:-30002
                                                       userInfo:@{NSLocalizedDescriptionKey : @"Data processing failed"}];
            if (failure) {
                dispatch_async(dispatch_get_main_queue(), ^{
                    failure(blurSlavicRecipientRenewOwn);
                });
            }
            return;
        }

        NSError *exporting;
        NSDictionary *clipResponse = [NSJSONSerialization JSONObjectWithData:enableCarData options:0 error:&exporting];

        if (!exporting && [clipResponse isKindOfClass:[NSDictionary class]]) {
            if (letters) {
                dispatch_async(dispatch_get_main_queue(), ^{
                    letters(clipResponse);
                });
            }
        } else {
            
            if (failure) {
                dispatch_async(dispatch_get_main_queue(), ^{
                    failure(exporting);
                });
            }
        }
    }];

    [task resume];
}


- (NSError *)handleError:(NSError *)error response:(NSURLResponse *)response data:(NSData *)data {
    if (error) {
        return error;
    }

    if (!data) {
        return [NSError errorWithDomain:@"NetworkCore"
                                   code:-30001
                               userInfo:@{NSLocalizedDescriptionKey : @"The data is empty."}];
    }

    NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
    if (![httpResponse isKindOfClass:[NSHTTPURLResponse class]] || httpResponse.statusCode != 200) {
        return [NSError errorWithDomain:@"NetworkCore"
                                   code:httpResponse.statusCode
                               userInfo:@{NSLocalizedDescriptionKey : [NSString stringWithFormat:@"HTTPError，code: %ld", (long)httpResponse.statusCode]}];
    }

    return nil;
}

@end