//
//  DSBDataProxy.h
//  FirstLink
//
//  Created by ascii on 2016/12/6.
//  Copyright © 2016年 FirstLink. All rights reserved.
//

#import <Foundation/Foundation.h>

@class DSBBaseRequest;
@class DSBResponseHeader;

typedef NS_ENUM(NSUInteger, DSBCacheSource) {
    DSBCacheSourceNone,
    DSBCacheSourceDatabase,
    DSBCacheSourceURLCache,
};

@interface DSBRequestProxy : NSObject


/**
 单个请求方法

 @param request 请求
 @param success 应答成功回掉
 @param failure 应答失败回掉
 @return
 */
+ (NSURLSessionDataTask *)request:(DSBBaseRequest *)request
                          success:(void (^)(NSURLSessionDataTask *task, NSDictionary *responseJson, DSBBaseRequest *request))success
                          failure:(void (^)(NSURLSessionDataTask *task, DSBResponseHeader *header, DSBBaseRequest *request))failure;


/**
 顺序请求方法，依次返回应答，顺序与传入的请求顺序相同

 @param requests 批量请求
 @param success 一旦有请求返回，就会按顺序回掉
 @param failure 只要有一个请求失败，就会取消所有请求，然后会回掉该block
 @return
 */
+ (NSArray<NSURLSessionDataTask *> *)requestSerial:(NSArray<DSBBaseRequest *> *)requests
                                           success:(void (^)(NSURLSessionDataTask *task, NSDictionary *responseJson, DSBBaseRequest *request))success
                                           failure:(void (^)(NSURLSessionDataTask *task, DSBResponseHeader *header, DSBBaseRequest *request))failure;


/**
 批量获取请求方法，请求应答的数组与传入请求顺序相同
 
 @param requestArray 批量请求方法
 @param success 所有请求成功返回后回掉，顺序与传入的请求顺序相同
 @param failure 只要有一个请求失败，就会取消所有请求，然后会回掉该block
 @return 返回task
 */
+ (NSArray<NSURLSessionDataTask *> *)requestBatch:(NSArray<DSBBaseRequest*>*)requestArray
                                          success:(void (^)(NSArray<NSURLSessionDataTask *> *taskArray, NSArray<NSDictionary *> *responseArray, NSArray<DSBBaseRequest *> *requestArray))success
                                          failure:(void (^)(NSURLSessionDataTask *task, DSBResponseHeader *header, DSBBaseRequest *request))failure;

@end