using System.ComponentModel.DataAnnotations;
using Dlhis.Entity.Basic.Enums;
using Kurisu.AspNetCore.Utils.Extensions;

namespace Dlhis.Basic.WorkGrids.Request;

public class WorkGridTimePeriodSaveRequest : IValidatableObject
{
    public long? Id { get; set; }

    /// <summary>
    /// 班次, eg: 禁止编辑
    /// </summary>
    public WorkGridTimePeriodEnumType Type { get; set; }

    /// <summary>
    /// 前(min)
    /// </summary>
    [Range(1, int.MaxValue)]
    public int Before { get; set; }

    /// <summary>
    /// 后(min)
    /// </summary>
    [Range(1, int.MaxValue)]
    public int After { get; set; }

    /// <summary>
    /// 开始时间
    /// </summary>
    public TimeOnly Start { get; set; }

    /// <summary>
    /// 结束时间
    /// </summary>
    public TimeOnly End { get; set; }

    /// <inheritdoc />
    public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
    {
        if (Type != WorkGridTimePeriodEnumType.Day)
        {
            yield break;
        }

        var today = DateTime.Today;
        var start = today.Add(Start.AddMinutes(-Before).ToTimeSpan());
        var end = today.Add(End.AddMinutes(After).ToTimeSpan());

        if (start.Date != end.Date)
        {
            yield return new ValidationResult(WorkGridTimePeriodEnumType.Day.GetDescription() + "禁止跨天", new[] { nameof(Type) });
        }
    }
}