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

namespace Dlhis.Canteen.Order.Request
{
    public class BalanceRecordUserPageRequest : PageDto, IValidatableObject
    {
        /// <summary>
        /// 查询日期范围类型 DateTimeSearchEnumType
        /// </summary>
        [EnumDataType(typeof(DateTimeSearchEnumType))]
        public DateTimeSearchEnumType? SearchDateTimeDimension { get; set; }

        /// <summary>
        /// 消费应用类型
        /// </summary>
        public CanteenApplicaitonTypeEnumType? ApplicationType { 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 = DateTime.Today;
                    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;
        }
    }
}