namespace WorkCameraExport.Models
{
    /// <summary>
    /// 应用配置 - 用户可配置项
    /// </summary>
    public class AppConfig
    {
        /// <summary>
        /// 默认保存路径
        /// </summary>
        public string DefaultSavePath { get; set; } = "";
        
        /// <summary>
        /// 图片下载并发数 (1-10)
        /// </summary>
        public int ImageDownloadConcurrency { get; set; } = 5;
        
        /// <summary>
        /// 图片压缩质量 (30-100)
        /// </summary>
        public int ImageCompressQuality { get; set; } = 50;
        
        /// <summary>
        /// 自动清理临时文件
        /// </summary>
        public bool AutoCleanTempFiles { get; set; } = true;
        
        /// <summary>
        /// 验证并修正配置值
        /// </summary>
        public void Validate()
        {
            // 并发数限制在 1-10
            if (ImageDownloadConcurrency < 1) ImageDownloadConcurrency = 1;
            if (ImageDownloadConcurrency > 10) ImageDownloadConcurrency = 10;
            
            // 压缩质量限制在 30-100
            if (ImageCompressQuality < 30) ImageCompressQuality = 30;
            if (ImageCompressQuality > 100) ImageCompressQuality = 100;
            
            // 默认保存路径为空时使用桌面
            if (string.IsNullOrWhiteSpace(DefaultSavePath))
            {
                DefaultSavePath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
            }
        }
        
        /// <summary>
        /// 创建默认配置
        /// </summary>
        public static AppConfig CreateDefault()
        {
            return new AppConfig
            {
                DefaultSavePath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop),
                ImageDownloadConcurrency = 5,
                ImageCompressQuality = 50,
                AutoCleanTempFiles = true
            };
        }
    }
}