namespace WorkCameraExport.Models
{
    /// <summary>
    /// 导出进度
    /// </summary>
    public class ExportProgress
    {
        /// <summary>
        /// 总记录数
        /// </summary>
        public int TotalRecords { get; set; }
        
        /// <summary>
        /// 已处理记录数
        /// </summary>
        public int ProcessedRecords { get; set; }
        
        /// <summary>
        /// 总图片数
        /// </summary>
        public int TotalImages { get; set; }
        
        /// <summary>
        /// 已下载图片数
        /// </summary>
        public int DownloadedImages { get; set; }
        
        /// <summary>
        /// 当前状态描述
        /// </summary>
        public string Status { get; set; } = "";
        
        /// <summary>
        /// 进度百分比 (0-100)
        /// </summary>
        public int Percentage => TotalRecords > 0 
            ? (int)((ProcessedRecords * 100.0) / TotalRecords) 
            : 0;
    }

    /// <summary>
    /// 下载进度 - 用于 ZIP 下载
    /// </summary>
    public class DownloadProgress
    {
        /// <summary>
        /// 总图片数
        /// </summary>
        public int TotalImages { get; set; }
        
        /// <summary>
        /// 已下载图片数
        /// </summary>
        public int DownloadedImages { get; set; }
        
        /// <summary>
        /// 当前状态描述
        /// </summary>
        public string Status { get; set; } = "";
        
        /// <summary>
        /// 进度百分比 (0-100)
        /// </summary>
        public int Percentage => TotalImages > 0 
            ? (int)((DownloadedImages * 100.0) / TotalImages) 
            : 0;
    }

    /// <summary>
    /// 导出任务
    /// </summary>
    public class ExportTask
    {
        /// <summary>
        /// 任务 ID
        /// </summary>
        public string TaskId { get; set; } = Guid.NewGuid().ToString("N");
        
        /// <summary>
        /// 任务类型
        /// </summary>
        public ExportTaskType TaskType { get; set; }
        
        /// <summary>
        /// 输出路径
        /// </summary>
        public string OutputPath { get; set; } = "";
        
        /// <summary>
        /// 任务状态
        /// </summary>
        public ExportTaskStatus Status { get; set; } = ExportTaskStatus.Pending;
        
        /// <summary>
        /// 开始时间
        /// </summary>
        public DateTime? StartTime { get; set; }
        
        /// <summary>
        /// 完成时间
        /// </summary>
        public DateTime? EndTime { get; set; }
        
        /// <summary>
        /// 错误信息
        /// </summary>
        public string? ErrorMessage { get; set; }
    }

    /// <summary>
    /// 导出任务类型
    /// </summary>
    public enum ExportTaskType
    {
        /// <summary>
        /// 工作记录 Excel 导出
        /// </summary>
        WorkRecordExcel,
        
        /// <summary>
        /// 月报表 Excel 导出
        /// </summary>
        MonthlyReportExcel,
        
        /// <summary>
        /// 照片 ZIP 下载
        /// </summary>
        PhotosZip
    }

    /// <summary>
    /// 导出任务状态
    /// </summary>
    public enum ExportTaskStatus
    {
        /// <summary>
        /// 等待中
        /// </summary>
        Pending,
        
        /// <summary>
        /// 进行中
        /// </summary>
        Running,
        
        /// <summary>
        /// 已完成
        /// </summary>
        Completed,
        
        /// <summary>
        /// 已取消
        /// </summary>
        Cancelled,
        
        /// <summary>
        /// 失败
        /// </summary>
        Failed
    }
}