//  Created by AI on 2025-10-09.
//  Copyright © 2025 YuMi. All rights reserved.


import Foundation


@objc class APIConfig: NSObject {
    
    // MARK: - Private Properties
    
    
    private static let xorKey: UInt8 = 77
    
    
    private static let releaseEncodedParts: [String] = [
        "JTk5PT53YmI=",
        "LD0kYw==",
        "KD0sPzk0ISQ7KGMuIiA=",
    ]
    
    // MARK: - Public Methods
    
    
    @objc static func baseURL() -> String {
        #if DEBUG
        
        // TODO: 修复后改为 return HttpRequestHelper.getHostUrl()
        return getDevBaseURL()
        #else
        
        let url = decodeURL(from: releaseEncodedParts)
        
        
        if url.isEmpty || !url.hasPrefix("http") {
            NSLog("[APIConfig] 警告：域名解密失败，使用备用域名")
            return backupURL()
        }
        
        return url
        #endif
    }
    
    
    private static func getDevBaseURL() -> String {
        
        #if DEBUG
        let isProduction = UserDefaults.standard.string(forKey: "kIsProductionEnvironment")
        if isProduction == "YES" {
            return "https://api.epartylive.com"
        } else {
            return "https://test-api.yourdomain.com"
        }
        #else
        return "https://api.epartylive.com"
        #endif
    }
    
    
    @objc static func backupURL() -> String {
        return getDevBaseURL()
    }
    
    // MARK: - Private Methods
    
    
    private static func decodeURL(from parts: [String]) -> String {
        let decoded = parts.compactMap { part -> String? in
            guard let data = Data(base64Encoded: part) else {
                NSLog("[APIConfig] Base64 解码失败: \(part)")
                return nil
            }
            let xored = data.map { $0 ^ xorKey }
            return String(bytes: xored, encoding: .utf8)
        }
        
        let result = decoded.joined()
        
        #if DEBUG
        NSLog("[APIConfig] 解密后的域名: \(result)")
        #endif
        
        return result
    }
}

// MARK: - Debug Helper

#if DEBUG
extension APIConfig {
    
    @objc static func testEncryption() {
        print("=== APIConfig 加密测试 ===")
        print("Release 域名: \(decodeURL(from: releaseEncodedParts))")
        print("当前环境域名: \(baseURL())")
        print("备用域名: \(backupURL())")
    }
}
#endif