using Dlhis.Entity.Canteen.Enums;
using Kurisu.Core.CustomClass;
using System.ComponentModel.DataAnnotations;
using Kurisu.Core.DataAccess.Dto;

namespace Dlhis.ScheduledTask.DeviceUploadLog.Request;

public class DeviceUploadLogPageRequest : PageDto, IValidatableObject
{
    /// <summary>
    /// 查询日期范围类型 DateTimeSearchEnumType
    /// </summary>
    [EnumDataType(typeof(DateTimeSearchEnumType))]
    public DateTimeSearchEnumType? SearchDateTimeDimension { get; set; }

    /// <summary>
    /// 日期范围查询
    /// </summary>
    public DateTimePeriod SearchDateTimePeriod { get; set; }

    public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
    {
        var now = DateTime.Now;
        if (SearchDateTimeDimension.HasValue)
        {
            //重新赋值
            SearchDateTimePeriod = new DateTimePeriod();

            if (SearchDateTimeDimension == DateTimeSearchEnumType.Day)
            {
                SearchDateTimePeriod.Start = new DateTime(now.Year, now.Month, now.Day, 0, 0, 1);
                SearchDateTimePeriod.End = new DateTime(now.Year, now.Month, now.Day, 23, 59, 59);
            }
            else if (SearchDateTimeDimension == DateTimeSearchEnumType.Week)
            {
                SearchDateTimePeriod.Start = now.AddDays(1 - (int)now.DayOfWeek);
                SearchDateTimePeriod.End = SearchDateTimePeriod.Start.Value.AddDays(6);
            }
            else if (SearchDateTimeDimension == DateTimeSearchEnumType.Month)
            {
                SearchDateTimePeriod.Start = new DateTime(now.Year, now.Month, 1);
                SearchDateTimePeriod.End = SearchDateTimePeriod.Start.Value.AddMonths(1).AddDays(-1);
            }
            else if (SearchDateTimeDimension == DateTimeSearchEnumType.Season)
            {
                SearchDateTimePeriod.Start = now.AddMonths(0 - ((now.Month - 1) % 3));
                SearchDateTimePeriod.End = now.AddMonths(3 - ((now.Month - 1) % 3)).AddMonths(1).AddDays(-1);
            }
            else if (SearchDateTimeDimension == DateTimeSearchEnumType.HalfOfYear)
            {
                SearchDateTimePeriod.Start = now.AddDays(-180);
                SearchDateTimePeriod.End = now;
            }
            else if (SearchDateTimeDimension == DateTimeSearchEnumType.Year)
            {
                SearchDateTimePeriod.Start = new DateTime(now.Year, 1, 1);
                SearchDateTimePeriod.End = SearchDateTimePeriod.Start.Value.AddYears(1).AddDays(-1);
            }

            SearchDateTimePeriod.Start = SearchDateTimePeriod.Start.Value.Date;
            SearchDateTimePeriod.End = SearchDateTimePeriod.End.Value.Date;
        }

        yield break;
    }
}