using Core.Web.App_Start;
using Core.Web.WebHelper;
using CRM.Core.BLL.Util;
using CRM.Core.Common;
using CRM.Core.Model.Enum;
using Newtonsoft.Json;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Data;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Web;
using System.Web.Mvc;
using WX.CRM.Common.Employee;
using WX.CRM.WebHelper;
using static Core.Web.Controllers.StatisticsController;

namespace Core.Web.Controllers
{
    public class StatisticsController : BaseController
    {
        [AuthorizeRedirect(RightsConfig.CONST_自动外呼日志, ToolBarConfig.CONST_NotButton, true)]
        public ActionResult Index()
        {
            var now = DateTime.Now;
            ViewBag.Year = now.Year.ToString();
            ViewBag.Month = now.AddMonths(-1).Month.ToString("00");
            var yearList = new List<string>();
            var monthList = new List<string>();
            for (var i = -5; i < 2; i++)
            {
                yearList.Add(now.AddYears(i).Year.ToString());
            }
            for (var i = 0; i < 12; i++)
            {
                monthList.Add((i + 1).ToString("00"));
            }
            ViewBag.YearList = yearList;
            ViewBag.MonthList = monthList;
            return View();
        }

        [AuthorizeRedirect(RightsConfig.CONST_自动外呼日志, ToolBarConfig.CONST_NotButton, false)]
        public JsonResult GetListHtml([Required] string year, [Required] string month)
        {
            var data = GetData(year, month);
            return Json(data, JsonRequestBehavior.AllowGet);
        }

        [AuthorizeRedirect(RightsConfig.CONST_自动外呼日志, ToolBarConfig.CONST_NotButton, false)]
        public FileResult Export([Required] string year, [Required] string month)
        {
            var data = GetData(year, month);
            var tableData = ToDataTable(data.data.Result);
            var dataSet = new DataSet();
            dataSet.Tables.Clear();
            dataSet.Tables.Add(tableData);
            var fileName = $"{year}年{month}月外呼统计数据";
            //拼接需要导出的列
            List<string> filds = new List<string>();
            List<string> fildsName = new List<string>();
            foreach (var item in typeof(MonthOutboundDto).GetProperties())
            {
                var dispalyName = item.GetCustomAttributes(typeof(DisplayNameAttribute), true);
                if (dispalyName.Any())
                {
                    filds.Add(item.Name);
                    DisplayNameAttribute attr = dispalyName[0] as DisplayNameAttribute;
                    fildsName.Add(attr.DisplayName);
                }
            }
            string checkedFilds = $"[{string.Join("][", filds)}]";
            string checkedTitle = string.Join(",", fildsName);
            return File(ExcelHelper.ExportDataSetToExcel(dataSet, $"{year}年{month}月外呼统计数据"), "application/ms-excel", $"{fileName}.xls");
        }

        private HGApiResult<MonthResultDto<MonthOutboundDto>> GetData(string year, string month)
        {
            CACHE_BL cache_BL = new CACHE_BL();
            var webapi = cache_BL.GetValue_Parameter(Parameter.Hg_Core_WebApi);
            //webapi = "http://120.77.165.155:8089";
            //webapi = "http://localhost:5090";
            var url = $"{webapi}/api/Statistics/MonthOutbound";
            var para = $"year={year}&month={month}";

            var result = Utility.GetData(url, para);
            var data = JsonConvert.DeserializeObject<HGApiResult<MonthResultDto<MonthOutboundDto>>>(result);
            return data;
        }

        private static DataTable ToDataTable<T>(IEnumerable<T> collection)
        {
            var props = typeof(T).GetProperties();
            var dt = new DataTable();
            foreach (var prop in props)
            {
                var attribute = (DisplayNameAttribute)System.Attribute.GetCustomAttribute(prop, typeof(DisplayNameAttribute));
                var name = attribute == null ? prop.Name : attribute.DisplayName;
                Type colType = prop.PropertyType;
                if ((colType.IsGenericType) && (colType.GetGenericTypeDefinition() == typeof(Nullable<>)))
                {
                    colType = colType.GetGenericArguments()[0];
                }
                dt.Columns.Add(new DataColumn(name, colType));
            }

            if (collection.Count() > 0)
            {
                for (int i = 0; i < collection.Count(); i++)
                {
                    ArrayList tempList = new ArrayList();
                    foreach (PropertyInfo pi in props)
                    {
                        object obj = pi.GetValue(collection.ElementAt(i), null);
                        tempList.Add(obj);
                    }
                    object[] array = tempList.ToArray();
                    dt.LoadDataRow(array, true);
                }
            }
            return dt;
        }

        public class MonthResultDto<T>
        {
            public string Date { get; set; }

            public List<T> Result { get; set; }
        }

        public class MonthOutboundDto
        {
            [DisplayName("回访类型")]
            public string TypeName { get; set; }

            [DisplayName("回访数量")]
            public int? Total { get; set; }

            [DisplayName("占比")]
            public string Proportion { get; set; }
        }

    }
}