using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using Infrastructure.Domain;

namespace Application.Domain.Entities
{
    /// <summary>
    /// 课程，具有唯一编号
    /// </summary>
    [Display(Name = "课程")]
    public class Course : BaseEntity
    {
        [Display(Name = "名称")]
        public string Name { get; set; }

        [Display(Name = "编号")]
        public string Number { get; set; }

        [Display(Name = "图片")]
        [DataType(DataType.ImageUrl)]
        public string Image { get; set; }

        [Display(Name = "简介")]
        public string Description { get; set; }

        [Display(Name = "分类")]
        public Guid? CategoryId { get; set; }

        public CourseCategory Category { get; set; }
        public List<Term> Terms { get; set; } = new List<Term>();
        public List<Resource> Resources { get; set; } = new List<Resource>();
        public List<Question> Questions { get; set; } = new List<Question>();
    }
}