//
//  DemoConfigLoader.m
//  TrustHttpDNSTestDemo
//
//  @author Created by Claude Code on 2025-10-05
//

#import "DemoConfigLoader.h"

@implementation DemoConfigLoader {
    NSString *_appId;
    NSString *_apiUrl; // Unified API URL
    NSString *_signSecret;
    NSString *_serviceDomain;
    BOOL _hasValidConfig;
}

+ (instancetype)shared {
    static DemoConfigLoader *loader;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        loader = [[DemoConfigLoader alloc] init];
    });
    return loader;
}

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

// 澶嶆潅閫昏緫锛氶厤缃姞杞介『搴忎负 Bundle > 鐜鍙橀噺锛涘苟瀵?accountID 杩涜鏈夋晥鎬ф牎楠?
- (void)loadConfig {
    _appId = @"";
    _apiUrl = @"";
    _signSecret = @"";
    _serviceDomain = @"";
    _hasValidConfig = NO;

    NSDictionary *bundleDict = nil;
    NSString *plistPath = [[NSBundle mainBundle] pathForResource:@"DemoConfig" ofType:@"plist"];
    if (plistPath.length > 0) {
        bundleDict = [NSDictionary dictionaryWithContentsOfFile:plistPath];
    }

    NSDictionary *env = [[NSProcessInfo processInfo] environment];

    NSString *appId = bundleDict[@"appId"] ?: @"";
    NSString *apiUrl = bundleDict[@"apiUrl"] ?: @"";
    NSString *signSecret = bundleDict[@"signSecret"] ?: @"";
    NSString *serviceDomain = bundleDict[@"serviceDomain"] ?: @"";

    NSString *envAppId = env[@"HTTPDNS_APP_ID"];
    NSString *envApiUrl = env[@"HTTPDNS_API_URL"];
    NSString *envSignSecret = env[@"HTTPDNS_SIGN_SECRET"];
    NSString *envServiceDomain = env[@"HTTPDNS_SERVICE_DOMAIN"];

    if (envAppId.length > 0) appId = envAppId;
    if (envApiUrl.length > 0) apiUrl = envApiUrl;
    if (envSignSecret.length > 0) signSecret = envSignSecret;
    if (envServiceDomain.length > 0) serviceDomain = envServiceDomain;

    if (appId.length > 0 && apiUrl.length > 0 && serviceDomain.length > 0) {
        _appId = appId;
        _apiUrl = apiUrl;
        _signSecret = signSecret;
        _serviceDomain = serviceDomain;
        _hasValidConfig = YES;
    }
}

- (NSString *)appId { return _appId; }
- (NSString *)apiUrl { return _apiUrl; }
- (NSString *)signSecret { return _signSecret; }
- (NSString *)serviceDomain { return _serviceDomain; }
- (BOOL)hasValidConfig { return _hasValidConfig; }

@end