using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace VOL.Model
{
    /// <summary>
    /// 热门课程列表
    /// </summary>
    public class PopularCurricularDto
    {
        public int Id { get; set; }

        /// <summary>
        /// 课程Id
        /// </summary>
        public int CurricularId { get; set; }

        /// <summary>
        /// 课程分类名称
        /// </summary>
        public string CurricularTaxonomyName { get; set; }
        
        /// <summary>
        /// 课程名称
        /// </summary>
        public string CurricularName { get; set; }

        /// <summary>
        /// 封面图
        /// </summary>
        public string CoverImage { get; set; }

        /// <summary>
        /// 点击数
        /// </summary>
        public int? Hits { get; set; }

        /// <summary>
        /// 创建时间
        /// </summary>
        public DateTime? CreateDate { get; set; }

        /// <summary>
        /// 备注
        /// </summary>
        public string Remarks { get; set; }
    }

    /// <summary>
    /// 热门课程查询参数
    /// </summary>
    public class PopularCurricularVo : PageDto
    {
        /// <summary>
        /// 展示模式：手动/自动
        /// </summary>
        public string DisplayMode { get; set; }

        /// <summary>
        /// 展示规则：最新上传/流量最大
        /// </summary>
        public string DisplayRule { get; set; }

        /// <summary>
        /// 展示数量
        /// </summary>
        [Range(2, int.MaxValue, ErrorMessage = "最少展示2节课程")]
        public int? DisplayCount { get; set; }
    }

    /// <summary>
    /// 添加热门课程请求
    /// </summary>
    public class AddPopularCurricularDto
    {
        /// <summary>
        /// 课程ID列表
        /// </summary>
        [Required(ErrorMessage = "课程ID不能为空")]
        public List<int> CurricularIds { get; set; }
    }
}