using FluentValidation;
using Kean.Domain.Task.Models;
using System;

namespace Kean.Domain.Task.Commands
{
    /// <summary>
    /// 创建避让命令
    /// </summary>
    public class AvertCommand : CommandValidator<AvertCommand>, ICommand
    {
        /// <summary>
        /// 特征码
        /// </summary>
        internal const string Feature = "@Avert";

        /// <summary>
        /// 送入行为
        /// （避让位置作为终点）
        /// </summary>
        public const string Entering = nameof(Entering);

        /// <summary>
        /// 取出行为
        /// （避让位置作为起点）
        /// </summary>
        public const string Leaving = nameof(Leaving);

        /// <summary>
        /// 避让位置
        /// </summary>
        public Cell Cell { get; set; }

        /// <summary>
        /// 避让行为
        /// </summary>
        public string Behavior { get; set; }

        /// <summary>
        /// 优先级
        /// </summary>
        public int? Priority { get; set; }

        /// <summary>
        /// 前续连接
        /// </summary>
        public int? Previous { get; set; }

        /// <summary>
        /// 时间戳
        /// </summary>
        internal DateTime? Timestamp { get; set; }

        /// <summary>
        /// 验证项
        /// </summary>
        protected override void Validation()
        {
            RuleFor(r => r.Cell).NotEmpty().WithMessage("位置不允许空");
            RuleFor(r => r.Behavior).NotEmpty().WithMessage("行为不允许空");
        }

        /// <summary>
        /// 标识
        /// </summary>
        [Output]
        public int? Id { get; private set; }
    }
}