using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using DW5S.ViewModel;

namespace DW5S.Entity
{
    /// <summary>
    /// 指示某个属性需要导出
    /// </summary>
    [AttributeUsage(AttributeTargets.Property, AllowMultiple = false)]
    public class ExportCellAttribute : Attribute
    {
        /// <summary>
        /// 指示某个属性需要导出
        /// </summary>
        public ExportCellAttribute()
        {
        }

        /// <summary>
        /// 指示某个属性需要导出
        /// </summary>
        /// <param name="format">浮点数(默认f4)、时间(默认yyyy-MM-dd HH:mm:ss)等导出时的格式化字符串</param>
        public ExportCellAttribute(string format)
        {
            this.Format = format;
        }
        /// <summary>
        /// 浮点数(默认f4)、时间(默认yyyy-MM-dd HH:mm:ss)等导出时的格式化字符串
        /// </summary>
        public string Format { get; set; }

        /// <summary>
        /// 列的排列顺序,未指定的ColumnIndex的按照属性顺序排在之后
        /// </summary>
        public int ColumnIndex { get; set; } = -1;

    }


    /// <summary>
    /// 指示某个属性在ToolTip中显示
    /// </summary>
    [AttributeUsage(AttributeTargets.Property, AllowMultiple = false)]
    public class ToolTipAttribute : Attribute
    {
        /// <summary>
        /// 指示某个属性在ToolTip中显示
        /// </summary>
        public ToolTipAttribute()
        {
        }

        /// <summary>
        /// 指示某个属性在ToolTip中显示
        /// </summary>
        /// <param name="format">浮点数(默认f4)、时间(默认yyyy-MM-dd HH:mm:ss)等导出时的格式化字符串</param>
        public ToolTipAttribute(string format)
        {
            this.Format = format;
        }
        /// <summary>
        /// 浮点数(默认f4)、时间(默认yyyy-MM-dd HH:mm:ss)等导出时的格式化字符串
        /// </summary>
        public string Format { get; set; }

        /// <summary>
        /// ToolTip从上到下的排列顺序,未指定的Index将按照属性顺序排在之后
        /// </summary>
        public int Index { get; set; } = 10000;
    }

    /// <summary>
    /// 定位点绑定到地图的对象
    /// </summary>
    public  class PosData : BaseViewModel<long>
    {
        /// <summary>
        /// 信号时刻
        /// </summary>
        [Display(Name = "信号时刻")]
        [DisplayFormat(DataFormatString = "yyyy-MM-dd HH:mm:ss.fff")]
        [ExportCell(ColumnIndex = 0)]//如果导出了SigTime,则内部会自动按照SigTime降序排列后再导出
        [ToolTip(Index = 0)]
        public DateTime SigTime { get; set; }

        /// <summary>
        /// 定位经度
        /// </summary>
        [Display(Name = "定位经度", AutoGenerateField = false)]
        [ExportCell("f4")]
        [ToolTip("f4")]
        public double PosLon { get; set; }

        /// <summary>
        /// 定位纬度
        /// </summary>
        [Display(Name = "定位纬度", AutoGenerateField = false)]
        [ExportCell("f4")]
        [ToolTip("f4")]
        public double PosLat { get; set; }


        /// <summary>
        /// 定位经度
        /// </summary>
        [Display(Name = "镜像经度", AutoGenerateField = false)]
        [ExportCell("f4")]
        [ToolTip("f4")]
        public double MirrLon { get; set; }

        /// <summary>
        /// 定位纬度
        /// </summary>
        [Display(Name = "镜像纬度", AutoGenerateField = false)]
        [ExportCell("f4")]
        [ToolTip("f4")]
        public double MirrLat { get; set; }

        /// <summary>
        /// 置信度
        /// </summary>
        [Display(Name = "置信度")]
        [ExportCell()]
        [ToolTip()]
        public int Confidence { get; set; }

        /// <summary>
        /// 当前点是否被选中(默认false)
        /// </summary>
        [Display(Name = "是否选中", AutoGenerateField = false)]
        [NotMapped]
        public bool Selected { get; set; }

        /// <summary>
        /// 当前点是否可见(默认true)
        /// </summary>
        [Display(Name = "是否可见", AutoGenerateField = false)]
        [NotMapped]
        public bool Visible { get; set; } = true;

        /// <summary>
        /// 用于生成颜色的一个key,相同的key具有相同的颜色,当ColorKey为html颜色时则使用此颜色(如#A1B2FF),默认红色#CC3333
        /// </summary>、
        [Display(Name = "颜色标记", AutoGenerateField = false)]
        [NotMapped]
        public string ColorKey { get; set; } = "#CC3333";

        /// <summary>
        /// 判断定位点是否在一个框选的矩形区域内
        /// </summary>
        /// <param name="startLon"></param>
        /// <param name="startLat"></param>
        /// <param name="endLon"></param>
        /// <param name="endLat"></param>
        /// <returns></returns>
        public bool InRectangle(double startLon, double startLat, double endLon, double endLat)
        {
            return PosLon >= startLon && PosLon <= endLon && PosLat >= startLat && PosLat <= endLat;
        }

        /// <summary>
        /// 内部调用的属性
        /// </summary>
        [Display(AutoGenerateField = false)]
        [NotMapped]
        public int ClusterCount { get; set; } = 1;

        /// <summary>
        /// 内部调用的属性
        /// </summary>
        [Display(AutoGenerateField = false)]
        [NotMapped]
        public int ClusterKey { get; set; } = int.MinValue;
    }
}