using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using BLL;
using System.Data;
using System.Data.SqlClient;

namespace FineUIPro.Web.JDGL.SGManPower
{
    public partial class ManPowerWorkChart : PageBase
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                // 初始化图表数据
                InitializeChartData();
            }
        }

        private void InitializeChartData()
        {
            try
            {
                // 获取查询参数
                string unitId = Request.Params["UnitId"];
                string startTime = Request.Params["StartTime"];
                string endTime = Request.Params["EndTime"];
                string workPostId = Request.Params["WorkPostId"];
                string workAreaId = Request.Params["WorkAreaId"];

                // 检查必要参数
                if (string.IsNullOrEmpty(startTime) || string.IsNullOrEmpty(endTime))
                {
                    ShowNotify("缺少必要的参数，无法生成图表", MessageBoxIcon.Warning);
                    return;
                }

                DateTime startDate = Convert.ToDateTime(startTime);
                DateTime endDate = Convert.ToDateTime(endTime);

                var getData = Funs.DB.SitePerson_Checking_Statistics.Where(x =>
                    x.ProjectId == this.CurrUser.LoginProjectId && x.IntoOutTime >= startDate && x.IntoOutTime <= endDate);
                
                // 添加单位筛选条件
                if (!string.IsNullOrEmpty(unitId) && unitId != Const._Null)
                {
                    getData = getData.Where(x => x.UnitId == unitId);
                }
                
                // 添加岗位筛选条件
                if (!string.IsNullOrEmpty(workPostId) && workPostId != Const._Null)
                {
                    getData = getData.Where(x => x.WorkPostId == workPostId);
                }
                
                DataTable dt = this.LINQToDataTable(getData.ToList());
                
                // 创建一个新的DataTable来存储处理后的数据
                DataTable processedDt = dt.Clone();
                foreach (System.Data.DataRow row in dt.Rows)
                {
                    // string ids = row["WorkAreaId"] != DBNull.Value ? row["WorkAreaId"].ToString() : string.Empty;
                    // string names = row["WorkAreaName"] != DBNull.Value ? row["WorkAreaName"].ToString() : string.Empty;
                    // if (!string.IsNullOrEmpty(names))
                    // {
                    //     string[] unitWorkNameArray =
                    //         names.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
                    //     string[] unitWorkIdArray = ids.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
                    //     for (var i = 0; i < unitWorkNameArray.Length; i++)
                    //     {
                    //         // 往processedDt里面添加数据，每个UnitWorkId一行
                    //         DataRow newRow = processedDt.NewRow();
                    //         newRow["UnitId"] = row["UnitId"];
                    //         newRow["UnitName"] = row["UnitName"];
                    //         newRow["WorkPostId"] = row["WorkPostId"];
                    //         newRow["WorkPostName"] = row["WorkPostName"];
                    //         newRow["IntoOutTime"] = row["IntoOutTime"] ?? DBNull.Value;
                    //         newRow["WorkAreaId"] = unitWorkIdArray[i].Trim();
                    //         newRow["WorkAreaName"] = unitWorkNameArray[i].Trim();
                    //         newRow["num"] = row["num"] != DBNull.Value ? Convert.ToInt32(row["num"]) : 0;
                    //         a++;
                    //         processedDt.Rows.Add(newRow);
                    //     }
                    // }
                    // else
                    // {
                        DataRow newRow = processedDt.NewRow();
                        newRow["UnitId"] = row["UnitId"];
                        newRow["UnitName"] = row["UnitName"];
                        newRow["WorkPostId"] = row["WorkPostId"];
                        newRow["WorkPostName"] = row["WorkPostName"];
                        newRow["IntoOutTime"] = row["IntoOutTime"] ?? DBNull.Value;
                        newRow["WorkAreaId"] = row["WorkAreaId"];
                        newRow["WorkAreaName"] = row["WorkAreaName"];
                        newRow["num"] = row["num"] != DBNull.Value ? Convert.ToInt32(row["num"]) : 0;
                        processedDt.Rows.Add(newRow);
                    // }
                }
                // 确定要用于后续处理的数据源
                IEnumerable<DataRow> dataSource = processedDt.AsEnumerable();
                
                // 如果选择了特定的装置进行筛选
                if (!string.IsNullOrEmpty(workAreaId) && workAreaId != Const._Null)
                {
                    dataSource = dataSource.Where(x => x["WorkAreaId"] != DBNull.Value && x["WorkAreaId"].ToString() == workAreaId);
                }

               var da = dataSource.ToList();
                
                //针对dt中的数据进行分组
                var data = dataSource
                    .GroupBy(row => new { 
                        IntoOutTime = row["IntoOutTime"] 
                    }).Select(group => new
                    {
                        IntoOutTime = group.Key.IntoOutTime,
                        RecordCount = group.Sum(row => row["num"] != DBNull.Value ? Convert.ToInt32(row["num"]) : 0)
                    }).OrderBy(x => x.IntoOutTime).ToList();
                

                // 如果没有数据，显示提示信息
                if (data.Count == 0)
                {
                    ShowNotify("在指定时间范围内没有找到人力统计数据", MessageBoxIcon.Warning);
                    return;
                }

                // 根据数据点数量动态调整图表宽度，确保每个数据点有足够的显示空间
                int chartWidth = Math.Max(1000, data.Count * 50); // 每个数据点至少50像素宽，最小1000像素

                // 创建图表数据对象
                Model.DataSourceChart dataSourceChart = new Model.DataSourceChart
                {
                    Title = "现场考勤人力统计图表",
                    ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Column,
                    Width = chartWidth,
                    Height = 500,
                    IsNotEnable3D = false
                };

                // 创建数据系列
                Model.DataSourceTeam dataSourceTeam = new Model.DataSourceTeam
                {
                    DataPointName = "人员数量",
                    DataSourcePoints = new List<Model.DataSourcePoint>()
                };

                // 添加数据点
                foreach (var item in data)
                {
                    if (item.IntoOutTime != null)
                    {
                        DateTime IntoOutTime = Convert.ToDateTime(item.IntoOutTime);
                        
                        Model.DataSourcePoint point = new Model.DataSourcePoint
                        {
                            PointText = IntoOutTime.ToString("MM-dd"),
                            PointValue = item.RecordCount.ToString()
                        };
                        dataSourceTeam.DataSourcePoints.Add(point);
                    }
                }

                dataSourceChart.DataSourceTeams = new List<Model.DataSourceTeam> { dataSourceTeam };

                // 生成图表
                Chart1.CreateChart(dataSourceChart);
            }
            catch (Exception ex)
            {
                ShowNotify($"生成图表时发生错误: {ex.Message}", MessageBoxIcon.Error);
            }
        }
    }
}