//
//  KBShopVM.m
//  keyBoard
//
//  Created by Mac on 2025/12/9.
//

#import "KBShopVM.h"
#import "KBNetworkManager.h"
#import "KBAPI.h"
#import "KBBizCode.h"
#import <MJExtension/MJExtension.h>

@interface KBShopVM ()
@property (nonatomic, copy, readwrite, nullable) NSArray<KBShopStyleModel *> *styles;
- (id)kb_themeIdParamFromString:(NSString *)themeId;
@end


@implementation KBShopVM

- (NSError *)kb_invalidResponseError {
    return [NSError errorWithDomain:KBNetworkErrorDomain
                               code:KBNetworkErrorInvalidResponse
                           userInfo:@{NSLocalizedDescriptionKey: KBLocalized(@"Invalid response")}];
}

- (NSError *)kb_invalidParameterError {
    return [NSError errorWithDomain:KBNetworkErrorDomain
                               code:KBNetworkErrorInvalidResponse
                           userInfo:@{NSLocalizedDescriptionKey: KBLocalized(@"Invalid parameter")}];
}

- (void)fetchAllStylesWithCompletion:(KBShopStylesCompletion)completion {
    [[KBNetworkManager shared] GET:API_THEME_LIST_ALL_STYLES
                        parameters:nil
                           headers:nil
              autoShowBusinessError:NO
                        completion:^(NSDictionary * _Nullable json,
                                     NSURLResponse * _Nullable response,
                                     NSError * _Nullable error) {
        if (error) {
            if (completion) completion(nil, error);
            return;
        }
        id dataObj = json[KBData] ?: json[@"data"];
        if (![dataObj isKindOfClass:[NSArray class]]) {
            if (completion) completion(nil, [self kb_invalidResponseError]);
            return;
        }
        NSArray<KBShopStyleModel *> *list = [KBShopStyleModel mj_objectArrayWithKeyValuesArray:(NSArray *)dataObj];
        self.styles = list;
        if (completion) completion(list, nil);
    }];
}

- (void)fetchThemesForStyleId:(nullable NSString *)styleId
                   completion:(KBShopThemesCompletion)completion {
    if (styleId.length == 0) {
        if (completion) completion(nil, [self kb_invalidParameterError]);
        return;
    }
    NSMutableDictionary *params = [NSMutableDictionary dictionary];
    params[@"themeStyle"] = @([styleId integerValue]);
    [[KBNetworkManager shared] GET:API_THEME_LIST_BY_STYLE
                        parameters:params
                           headers:nil
              autoShowBusinessError:NO
                        completion:^(NSDictionary * _Nullable json,
                                     NSURLResponse * _Nullable response,
                                     NSError * _Nullable error) {
        if (error) {
            if (completion) completion(nil, error);
            return;
        }
        id dataObj = json[KBData] ?: json[@"data"];
        if (![dataObj isKindOfClass:[NSArray class]]) {
            if (completion) completion(nil, [self kb_invalidResponseError]);
            return;
        }
        NSArray<KBShopThemeModel *> *list = [KBShopThemeModel mj_objectArrayWithKeyValuesArray:(NSArray *)dataObj];
        if (completion) completion(list, nil);
    }];
}

- (void)fetchWalletBalanceWithCompletion:(KBShopBalanceCompletion)completion {
    [[KBNetworkManager shared] GET:API_WALLET_BALANCE
                        parameters:nil
                           headers:nil
              autoShowBusinessError:NO
                        completion:^(NSDictionary * _Nullable json,
                                     NSURLResponse * _Nullable response,
                                     NSError * _Nullable error) {
        if (error) {
            if (completion) completion(nil, error);
            return;
        }
        id dataObj = json[KBData] ?: json[@"data"];
        if (![dataObj isKindOfClass:[NSDictionary class]]) {
            if (completion) completion(nil, [self kb_invalidResponseError]);
            return;
        }
        id balanceValue = dataObj[@"balance"];
        NSNumber *balanceNumber = nil;
        if ([balanceValue isKindOfClass:[NSNumber class]]) {
            balanceNumber = balanceValue;
        } else if ([balanceValue isKindOfClass:[NSString class]]) {
            balanceNumber = @([(NSString *)balanceValue doubleValue]);
        }
        if (!balanceNumber) {
            balanceNumber = @(0);
        }
        if (completion) completion(balanceNumber, nil);
    }];
}

- (void)fetchThemeDetailWithId:(nullable NSString *)themeId
                    completion:(KBShopDetailCompletion)completion {
    if (themeId.length == 0) {
        if (completion) completion(nil, [self kb_invalidParameterError]);
        return;
    }
    NSDictionary *params = @{@"themeId": [self kb_themeIdParamFromString:themeId]};
    [[KBNetworkManager shared] GET:API_THEME_DETAIL
                        parameters:params
                           headers:nil
              autoShowBusinessError:NO
                        completion:^(NSDictionary * _Nullable json,
                                     NSURLResponse * _Nullable response,
                                     NSError * _Nullable error) {
        if (error) {
            if (completion) completion(nil, error);
            return;
        }
        id dataObj = json[KBData] ?: json[@"data"];
        if (![dataObj isKindOfClass:[NSDictionary class]]) {
            if (completion) completion(nil, [self kb_invalidResponseError]);
            return;
        }
        KBShopThemeDetailModel *detail = [KBShopThemeDetailModel mj_objectWithKeyValues:dataObj];
        if (completion) completion(detail, nil);
    }];
}

- (void)purchaseThemeWithId:(nullable NSString *)themeId
                 completion:(KBShopPurchaseCompletion)completion {
    if (themeId.length == 0) {
        if (completion) completion(NO, [self kb_invalidParameterError]);
        return;
    }
    NSDictionary *body = @{@"themeId": [self kb_themeIdParamFromString:themeId]};
    [[KBNetworkManager shared] POST:API_THEME_PURCHASE
                           jsonBody:body
                            headers:nil
               autoShowBusinessError:NO
                          completion:^(NSDictionary * _Nullable json,
                                       NSURLResponse * _Nullable response,
                                       NSError * _Nullable error) {
        if (completion) completion(error == nil, error);
    }];
}

- (void)fetchThemeDownloadInfoWithId:(nullable NSString *)themeId
                           completion:(KBShopDownloadInfoCompletion)completion {
    if (themeId.length == 0) {
        if (completion) completion(nil, [self kb_invalidParameterError]);
        return;
    }
    NSDictionary *params = @{@"themeId": [self kb_themeIdParamFromString:themeId]};
    [[KBNetworkManager shared] GET:API_THEME_DOWNLOAD
                        parameters:params
                           headers:nil
              autoShowBusinessError:NO
                        completion:^(NSDictionary * _Nullable json,
                                     NSURLResponse * _Nullable response,
                                     NSError * _Nullable error) {
        if (error) {
            if (completion) completion(nil, error);
            return;
        }
        id dataObj = json[KBData] ?: json[@"data"];
        if (![dataObj isKindOfClass:[NSDictionary class]]) {
            if (completion) completion(nil, [self kb_invalidResponseError]);
            return;
        }
        if (completion) completion((NSDictionary *)dataObj, nil);
    }];
}

- (id)kb_themeIdParamFromString:(NSString *)themeId {
    if (themeId.length == 0) { return @""; }
    NSNumberFormatter *formatter = [NSNumberFormatter new];
    NSNumber *number = [formatter numberFromString:themeId];
    return number ?: themeId;
}

@end