//
//  PayVM.m
//

#import "PayVM.h"
#import "KBNetworkManager.h"
#import "KBAPI.h"
#import "KBHUD.h"
#import "KBBizCode.h"
#import "KBPayProductModel.h"
#import <MJExtension/MJExtension.h>
@implementation PayVM

- (void)applePayReqWithParams:(NSDictionary *)params
                     needShow:(BOOL)needShow
                   completion:(KBPayCompletion)completion {
    if (needShow) { [KBHUD show]; }

    [[KBNetworkManager shared] POST:API_VALIDATE_RECEIPT
                           jsonBody:params
                            headers:nil
              autoShowBusinessError:false
                         completion:^(NSDictionary *json,
                                      NSURLResponse *response,
                                      NSError *error) {
        if (needShow) { [KBHUD dismiss]; }
        
        if (error) {
            if ([error.domain isEqualToString:KBNetworkErrorDomain] &&
                error.code == KBNetworkErrorBusiness) {
                NSNumber *codeNum = error.userInfo[@"code"];
                NSInteger bizCode = codeNum.integerValue;   // 这里就是底层附带的业务 code
                // 根据 bizCode 做处理，比如透传给上层 completion
                if (completion) completion(bizCode, error.localizedDescription ?: KBLocalized(@"Network error"));
                return;
            }
            
//            if (completion) completion(ERROR_CODE, error.localizedDescription ?: KBLocalized(@"Network error"));
            return;
        }
        
        if (completion) completion(KBBizCodeSuccess, @"JWS-ok");
    }];
}

- (void)fetchInAppProductsNeedShow:(BOOL)needShow
                        completion:(KBPayProductsCompletion)completion {
    NSDictionary *params = @{ @"type": @"in-app-purchase" };
    [self fetchProductListWithPath:API_INAPP_PRODUCT_LIST
                            params:params
                          needShow:needShow
                        completion:completion];
}

- (void)fetchSubscriptionProductsNeedShow:(BOOL)needShow
                               completion:(KBPayProductsCompletion)completion {
    NSDictionary *params = @{ @"type": @"subscription" };
    [self fetchProductListWithPath:API_SUBSCRIPTION_PRODUCT_LIST
                            params:params
                          needShow:needShow
                        completion:completion];
}

#pragma mark - Helpers

- (void)fetchProductListWithPath:(NSString *)path
                          params:(NSDictionary *)params
                        needShow:(BOOL)needShow
                      completion:(KBPayProductsCompletion)completion {
    if (needShow) { [KBHUD show]; }
    [[KBNetworkManager shared] GET:path
                        parameters:params
                           headers:nil
              autoShowBusinessError:NO
                        completion:^(NSDictionary * _Nullable json,
                                     NSURLResponse * _Nullable response,
                                     NSError * _Nullable error) {
        if (needShow) { [KBHUD dismiss]; }
        if (error) {
            if (completion) {
                NSInteger code = (error.code == 0 ? KBBizCodeSystemError : error.code);
                completion(code, error.localizedDescription ?: KBLocalized(@"Network error"), nil);
            }
            return;
        }
        id dataObj = json[KBData] ?: json[@"data"];
        if (![dataObj isKindOfClass:[NSArray class]]) {
            if (completion) {
                NSString *msg = [self.class extractMessageFromResponseObject:json] ?: KBLocalized(@"Invalid response");
                completion(KBBizCodeSystemError, msg, nil);
            }
            return;
        }
        NSArray<KBPayProductModel *> *models = [KBPayProductModel mj_objectArrayWithKeyValuesArray:(NSArray *)dataObj];
        if (completion) {
            completion(KBBizCodeSuccess, nil, models ?: @[]);
        }
    }];
}

//+ (NSInteger)extractStatusFromResponseObject:(id)obj response:(NSURLResponse *)resp {
//    // 优先从 JSON 提取 code/status/success
//    if ([obj isKindOfClass:NSDictionary.class]) {
//        NSDictionary *d = (NSDictionary *)obj;
//        id code = d[@"code"] ?: d[@"status"] ?: d[@"retcode"];
//        if ([code isKindOfClass:NSNumber.class]) {
//            return [((NSNumber *)code) integerValue] == 0 ? SUCCESS_CODE : ERROR_CODE;
//        }
//        if ([code isKindOfClass:NSString.class]) {
//            // 常见："0" 视为成功
//            return [((NSString *)code) integerValue] == 0 ? SUCCESS_CODE : ERROR_CODE;
//        }
//        id success = d[@"success"] ?: d[@"ok"];
//        if ([success respondsToSelector:@selector(boolValue)]) {
//            return [success boolValue] ? SUCCESS_CODE : ERROR_CODE;
//        }
//    }
//    // 无明显字段，按 HTTP 2xx 视为成功
//    NSInteger http = 0;
//    if ([resp isKindOfClass:NSHTTPURLResponse.class]) { http = ((NSHTTPURLResponse *)resp).statusCode; }
//    return (http >= 200 && http < 300) ? SUCCESS_CODE : ERROR_CODE;
//}

+ (NSString *)extractMessageFromResponseObject:(id)obj {
    if (![obj isKindOfClass:NSDictionary.class]) return nil;
    NSDictionary *d = (NSDictionary *)obj;
    NSString *msg = d[@"message"] ?: d[@"msg"] ?: d[@"error"];
    if (![msg isKindOfClass:NSString.class]) msg = nil;
    return msg;
}

@end