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

namespace CommonModel
{
    public class PageSearch : PageBase
    {
        /// <summary>
        /// 统一查询
        /// </summary>
        public string? Search { get; set; }

        /// <summary>
        /// 开始日期
        /// </summary>
        public DateTime? StartDate { get; set; }

        /// <summary>
        /// 结束日期
        /// </summary>
        public DateTime? EndDate { get; set; }
    }

    public class PageSearch<T> : PageSearch
    {
        /// <summary>
        /// 查询条件
        /// </summary>
        public T? Mode { get; set; }
    }

    public class PageDaySearch : PageSearch {
        public PageDaySearch()
        {
            var DateNow = DateTime.Now;
            if (StartDate == null && EndDate == null)
            {
                StartDate = DateTime.Today;

                EndDate = DateNow;
            }
            else if (StartDate == null)
            {
                StartDate = DateTime.Today;
            }
            else if (EndDate == null)
            {
                EndDate = DateNow;
            }
        }
    }

    public class PageDaySearch<T> : PageDaySearch {
        /// <summary>
        /// 查询条件
        /// </summary>
        public T? Mode { get; set; }
    }

    public class PageMonthSearch : PageSearch
    {
        public PageMonthSearch()
        {
            var DateNow = DateTime.Now;
            if (StartDate == null && EndDate == null)
            {
                StartDate = DateNow.AddMonths(-1);

                EndDate = DateNow;
            }
            else if (StartDate == null)
            {
                StartDate = DateNow.AddMonths(-1);
            }
            else if (EndDate == null)
            {
                EndDate = DateNow;
            }
        }
    }

    public class PageMonthSearch<T> : PageMonthSearch
    {
        /// <summary>
        /// 查询条件
        /// </summary>
        public T? Mode { get; set; }
    }

    public class PageYearSearch : PageSearch
    {
        public PageYearSearch()
        {
            var DateNow = DateTime.Now;
            if (StartDate == null && EndDate == null)
            {
                StartDate = DateNow.AddYears(-1);

                EndDate = DateNow;
            }
            else if (StartDate == null)
            {
                StartDate = DateNow.AddYears(-1);
            }
            else if (EndDate == null)
            {
                EndDate = DateNow;
            }
        }
    }

    public class PageYearSearch<T> : PageYearSearch
    {
        /// <summary>
        /// 查询条件
        /// </summary>
        public T? Mode { get; set; }
    }
}