//
//  User_Http.m
//  JieliJianKang
//
//  Created by kaka on 2021/3/9.
//

#import "User_Http.h"
#import <AFNetworking/AFNetworking.h>

@implementation User_Http {
    NSString *accessToken; //访问令牌
    
    NSURLSessionDownloadTask *downloadTask;
}

+ (User_Http *)shareInstance {
    static dispatch_once_t once;
    static id instance;
    dispatch_once(&once, ^{
        instance = [self new];
    });
    return instance;
}

- (id)init {
    if ((self = [super init])) {
       
    }
    return self;
}

-(NSString *)token{
    return accessToken;
}



-(void)downloadUrl:(NSString*)urlString Path:(NSString*)path Result:(JLHTTP_BK)result{
    //构造资源链接
    NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
    //创建AFN的manager对象
    AFHTTPSessionManager *manager = [[AFHTTPSessionManager alloc] initWithSessionConfiguration:configuration];
    //构造URL对象
    NSURL *url = [NSURL URLWithString:urlString];
    //构造request对象
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
    //使用系统类创建downLoad Task对象
    downloadTask = [manager downloadTaskWithRequest:request progress:^(NSProgress * _Nonnull downloadProgress) {
        float progress = 1.0 * downloadProgress.completedUnitCount/downloadProgress.totalUnitCount;
        NSLog(@"AFN---->%f",progress);
        if (result) { result(progress,JLHTTP_ResultDownload);}
        
    } destination:^NSURL * _Nonnull(NSURL * _Nonnull targetPath, NSURLResponse * _Nonnull response) {

        return [NSURL fileURLWithPath:path];
    } completionHandler:^(NSURLResponse * _Nonnull response, NSURL * _Nullable filePath, NSError * _Nullable error) {
        //下载完成走这个block
        if (!error)
        {
            //如果请求没有错误(请求成功), 则打印地址
            NSLog(@"AFN---->Success:%@", [filePath lastPathComponent]);
            if (result) { result(1.0,JLHTTP_ResultSuccess);}
        }else{
            NSLog(@"AFN---->err");
            if (result) { result(1.0,JLHTTP_ResultFail);}
        }
    }];
    //开始请求
    [downloadTask resume];
}

-(void)cancelDownloadTask{
    [downloadTask cancel];
}




@end