using BLL;
using MiniExcelLibs;
using Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.IO;
using System.Linq;

namespace FineUIPro.Web.HJGL.PreDesign
{
    public partial class InstallList : PageBase
    {
        public int pageSize = 20;

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                this.ddlPageSize.SelectedValue = this.Grid1.PageSize.ToString();
                this.InitTreeMenu();//加载树
            }
        }

        #region 加载树装置-单位-工作区
        /// <summary>
        /// 加载树
        /// </summary>
        private void InitTreeMenu()
        {
            this.tvControlItem.Nodes.Clear();

            TreeNode rootNode1 = new TreeNode();
            rootNode1.NodeID = "1";
            rootNode1.Text = "建筑工程";
            rootNode1.CommandName = "建筑工程";
            rootNode1.Selectable = false;
            this.tvControlItem.Nodes.Add(rootNode1);

            TreeNode rootNode2 = new TreeNode();
            rootNode2.NodeID = "2";
            rootNode2.Text = "安装工程";
            rootNode2.CommandName = "安装工程";
            rootNode2.Expanded = true;
            this.tvControlItem.Nodes.Add(rootNode2);

            var pUnits = (from x in Funs.DB.Project_ProjectUnit where x.ProjectId == this.CurrUser.LoginProjectId select x).ToList();
            // 获取当前用户所在单位
            var currUnit = pUnits.FirstOrDefault(x => x.UnitId == this.CurrUser.UnitId);

            var unitWorkList = (from x in Funs.DB.WBS_UnitWork
                                where x.ProjectId == this.CurrUser.LoginProjectId
                                      && x.SuperUnitWork == null && x.UnitId != null && x.ProjectType != null
                                select x).ToList();

            List<Model.WBS_UnitWork> unitWork1 = null;
            List<Model.WBS_UnitWork> unitWork2 = null;

            //// 当前为施工单位，只能操作本单位的数据
            //if (currUnit != null && currUnit.UnitType == Const.ProjectUnitType_2)
            //{
            //    unitWork1 = (from x in unitWorkList
            //                 where x.UnitId == this.CurrUser.UnitId && x.ProjectType == "1"
            //                 select x).ToList();
            //    unitWork2 = (from x in unitWorkList
            //                 where x.UnitId == this.CurrUser.UnitId && x.ProjectType == "2"
            //                 select x).ToList();
            //}
            //else
            //{
            unitWork1 = (from x in unitWorkList where x.ProjectType == "1" select x).ToList();
            unitWork2 = (from x in unitWorkList where x.ProjectType == "2" select x).ToList();
            //}

            if (unitWork1.Count() > 0)
            {
                foreach (var q in unitWork1)
                {
                    int a = (from x in Funs.DB.HJGL_Pipeline where x.ProjectId == this.CurrUser.LoginProjectId && x.UnitWorkId == q.UnitWorkId && x.PipeArea == "1" && x.PipelineCode.Contains(txtPipelineCode.Text.Trim()) select x.FlowingSection).Distinct().Count();
                    var unitNamesUnitIds = BLL.UnitService.getUnitNamesUnitIds(q.UnitId);
                    TreeNode tn1 = new TreeNode();
                    tn1.NodeID = q.UnitWorkId;
                    //tn1.Text = q.UnitWorkName + "【" + a.ToString() + "】" + "管线";
                    tn1.Text = q.UnitWorkName;
                    tn1.ToolTip = "施工单位：" + unitNamesUnitIds;
                    tn1.CommandName = 1 + "|" + Funs.GetEndPageNumber(a, pageSize);
                    tn1.EnableClickEvent = true;
                    tn1.EnableExpandEvent = true;
                    rootNode1.Nodes.Add(tn1);
                    if (a > 0)
                    {
                        // BindNodes(tn1);
                        TreeNode newNode = new TreeNode();
                        newNode.Text = "加载流水段...";
                        newNode.NodeID = "加载流水段...";
                        tn1.Nodes.Add(newNode);
                    }
                    //if (a > 0)
                    //{
                    //    BindNodes(tn1);
                    //}
                }
            }
            if (unitWork2.Count() > 0)
            {
                foreach (var q in unitWork2)
                {
                    int a = (from x in Funs.DB.HJGL_Pipeline where x.ProjectId == this.CurrUser.LoginProjectId && x.UnitWorkId == q.UnitWorkId && x.PipeArea == "1" && x.PipelineCode.Contains(txtPipelineCode.Text.Trim()) select x.FlowingSection).Distinct().Count();
                    var unitNamesUnitIds = BLL.UnitService.getUnitNamesUnitIds(q.UnitId);
                    TreeNode tn2 = new TreeNode();
                    tn2.NodeID = q.UnitWorkId;
                    //tn2.Text = q.UnitWorkName + "【" + a.ToString() + "】" + "管线";
                    tn2.Text = q.UnitWorkName;
                    if (q.UnitWorkId == this.hdUnitWorkId.Text)
                    {
                        tn2.Expanded = true;
                    }
                    tn2.ToolTip = "施工单位：" + unitNamesUnitIds;
                    tn2.CommandName = 1 + "|" + Funs.GetEndPageNumber(a, pageSize);
                    tn2.EnableClickEvent = true;
                    tn2.EnableExpandEvent = true;
                    rootNode2.Nodes.Add(tn2);
                    if (a > 0)
                    {
                        // BindNodes(tn1);
                        TreeNode newNode = new TreeNode();
                        newNode.Text = "加载流水段...";
                        newNode.NodeID = "加载流水段...";
                        tn2.Nodes.Add(newNode);
                    }
                    //if (a > 0)
                    //{
                    //    BindNodes(tn2);
                    //}
                }
            }
        }

        private void BindNodes(TreeNode node)
        {
            List<string> flowingSection = new List<string>();
            //List<Model.HJGL_Pipeline> pipeline = new List<Model.HJGL_Pipeline>();
            var list = (from x in Funs.DB.HJGL_Pipeline where x.ProjectId == this.CurrUser.LoginProjectId && x.PipeArea == "1" && x.UnitWorkId == node.NodeID && x.PipelineCode.Contains(this.txtPipelineCode.Text.Trim()) select x.FlowingSection).ToList();
            flowingSection = list.Where(x => !string.IsNullOrWhiteSpace(x) == true).Distinct().OrderBy(x => x).ToList();
            //int pageindex = int.Parse(node.CommandName.Split('|')[0]);
            //int pageCount = int.Parse(node.CommandName.Split('|')[1]);
            //if (pageindex <= pageCount)
            //{
            //    flowingSection = flowingSection.Skip(pageSize * (pageindex - 1)).Take(pageSize).ToList();
            foreach (var item in flowingSection)
            {
                //var comCount = (from x in Funs.DB.HJGL_Pipeline_Component where x.PipelineId == item.PipelineId select x).Count();
                TreeNode newNode = new TreeNode();
                //newNode.Text = item.PipelineCode + "【" + comCount.ToString() + " " + "组件" + "】";
                newNode.Text = item;
                newNode.ToolTip = "流水段";
                newNode.CommandName = "流水段";
                newNode.NodeID = SQLHelper.GetNewID();
                newNode.EnableClickEvent = true;
                node.Nodes.Add(newNode);
            }
            //    if (pageindex < pageCount)
            //    {
            //        TreeNode newNode = new TreeNode();
            //        newNode.Text = "加载";
            //        newNode.NodeID = "加载";
            //        //newNode.NodeID = SQLHelper.GetNewID();
            //        newNode.CommandName = "加载";
            //        newNode.Icon = Icon.ArrowDown;
            //        newNode.EnableClickEvent = true;
            //        node.Nodes.Add(newNode);
            //    }
            //}
        }

        #endregion

        protected void tvControlItem_TreeNodeExpanded(object sender, TreeNodeEventArgs e)
        {
            if (e.Node.Nodes[0].NodeID == "加载流水段...")
            {
                e.Node.Nodes.Clear();
                BindNodes(e.Node);
            }
        }

        #region 点击TreeView
        /// <summary>
        /// 点击TreeView
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void tvControlItem_NodeCommand(object sender, TreeCommandEventArgs e)
        {
            if (e.CommandName == "流水段")
            {
                Model.HJGL_Pipeline pipeline = BLL.PipelineService.GetPipelineByFlowingSection(this.tvControlItem.SelectedNode.Text);
                this.hdUnitWorkId.Text = string.Empty;
                if (pipeline != null)
                {
                    this.hdUnitWorkId.Text = this.tvControlItem.SelectedNode.ParentNode.NodeID;
                }
            }
            this.BindGrid();
        }
        #endregion

        #region 数据绑定
        /// <summary>
        /// 数据绑定
        /// </summary>
        private void BindGrid()
        {
            if (tvControlItem.SelectedNode == null) return;
            var  view_HJGL_InstallDatas = BindData(Grid1.PageIndex+1, Grid1.PageSize,out int totalCount, out int componentCount, out int partCount);
             // 2.获取当前分页数据
            Grid1.RecordCount = totalCount;
            var table = view_HJGL_InstallDatas;
            Grid1.DataSource = table;
            Grid1.DataBind();

            // 更新汇总信息（使用已统计的数据）
            UpdateSummary(componentCount, partCount);
        }

        /// <summary>
        /// 更新汇总信息
        /// </summary>
        private void UpdateSummary(int componentCount, int partCount)
        {
            try
            {
                // 更新汇总标签
                lblSummary1.Text = $"预制组件数量：{componentCount}";
                lblSummary2.Text = $"预制散件数量：{partCount}";
            }
            catch (Exception ex)
            {
                // 出现异常时显示默认值
                lblSummary1.Text = "预制组件数量：0";
                lblSummary2.Text = "预制散件数量：0";
            }
        }

        /// <summary>
        /// 查询数据
        /// </summary>
        /// <returns></returns>
        private  List<View_HJGL_InstallData> BindData(int pageIndex, int pageSize, out int totalCount, out int componentCount, out int partCount)
        {
            var baseQuery = GetIQueryableInstallDatas();
            
            // 一次性统计所有需要的数据（使用 GroupBy 优化）
            var stats = baseQuery
                .GroupBy(x => x.TypeStr)
                .Select(g => new { TypeStr = g.Key, Count = g.Count() })
                .ToList();
            
            // 从统计结果中提取数据
            totalCount = stats.Sum(s => s.Count);
            componentCount = stats.FirstOrDefault(s => s.TypeStr == "预制组件")?.Count ?? 0;
            partCount = stats.FirstOrDefault(s => s.TypeStr == "预制散件")?.Count ?? 0;
            
            // 分页保护
            if (pageIndex <= 0) pageIndex = 1;
            if (pageSize <= 0) pageSize = 10;
            
            var query = baseQuery.Skip((pageIndex - 1) * pageSize).Take(pageSize).ToList();
            
            // 预制组件数量显示为1，预制散件保持原始数量
            foreach (var item in query)
            {
                if (item.TypeStr == "预制组件")
                {
                    item.Number = 1;
                }
            }
            return query;
        }


        private IQueryable<View_HJGL_InstallData> GetIQueryableInstallDatas()
        { 
            var baseQuery = from x in Funs.DB.View_HJGL_InstallData
                                select x;
            if (tvControlItem.SelectedNode.CommandName.Split('|').Length == 2)
            {
                baseQuery = baseQuery.Where(x => x.UnitWorkId == tvControlItem.SelectedNode.NodeID);
            }
            else if (tvControlItem.SelectedNode.CommandName == "流水段")
            {
                baseQuery = baseQuery.Where(x => x.UnitWorkId == tvControlItem.SelectedNode.ParentNode.NodeID && x.FlowingSection == tvControlItem.SelectedNode.Text);
            }

            if (!string.IsNullOrEmpty(txtPipelineCode2.Text))
            {
                baseQuery = baseQuery.Where(x => x.PipelineCode.Contains(txtPipelineCode2.Text.Trim()));

            }
            if (!string.IsNullOrEmpty(txtPipelineComponentCode.Text))
            {
                baseQuery = baseQuery.Where(x => x.Code.Contains(txtPipelineComponentCode.Text.Trim()));
            }
            if (!string.IsNullOrEmpty(drpTypeStr.SelectedValue))
            {
                baseQuery = baseQuery.Where(x => x.TypeStr.Contains(drpTypeStr.SelectedValue));
            }
            //if (!string.IsNullOrEmpty(drpFlowingSection.SelectedValue) && drpFlowingSection.SelectedValue != Const._Null)
            //{
            //    strSql += " AND cte.FlowingSection =@FlowingSection";
            //    listStr.Add(new SqlParameter("@FlowingSection", drpFlowingSection.SelectedValue.ToString()));
            //}
            if (!string.IsNullOrEmpty(txtPipelineCode.Text))
            {
                baseQuery = baseQuery.Where(x => x.PipelineCode.Contains(txtPipelineCode.Text.Trim()));

            } 
            baseQuery = baseQuery.OrderBy(x => x.PipelineCode).ThenBy(x => x.Code);

            return baseQuery;
        }
        #endregion

        #region 分页排序
        #region 页索引改变事件
        /// <summary>
        /// 页索引改变事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
        {
            BindGrid();
        }
        #endregion

        #region 排序
        /// <summary>
        /// 排序
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_Sort(object sender, GridSortEventArgs e)
        {
            BindGrid();
        }
        #endregion

        #region 分页选择下拉改变事件
        /// <summary>
        /// 分页选择下拉改变事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
        {
            Grid1.PageSize = Convert.ToInt32(ddlPageSize.SelectedValue);
            BindGrid();
        }
        #endregion

        #endregion

        #region 查询事件

        protected void btnSearch_Click(object sender, EventArgs e)
        {
            BindGrid();
        }

        #endregion

        #region 刷新页面

        /// <summary>
        /// 查询
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        //protected void TextBox_TextChanged(object sender, EventArgs e)
        //{
        //    this.BindGrid();
        //}
        protected void btnTreeFind_Click1(object sender, EventArgs e)
        {
            this.InitTreeMenu();
            this.BindGrid();
        }
        #endregion

        public string ConvertProductionState(object state)
        {
            string StateName = string.Empty;
            if (state != null)
            {
                if (!string.IsNullOrEmpty(state.ToString()))
                {
                    string txt = HJGL_PipelineComponentService.GetProductionState().FirstOrDefault(x => x.Value == state.ToString()).Text;
                    return txt;
                }
            }
            return StateName;
        }

        /// <summary>
        /// 导出
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnOut_Click(object sender, EventArgs e)
        {
            
                var baseQuery = GetIQueryableInstallDatas();

                var q = (from x in baseQuery
                         where x.Code != "裕-量"
                         select new
                         {
                             管线号 = x.PipelineCode,
                             类型 = x.TypeStr,
                             编号 = x.Code,
                             预制散件材料描述 = (x.Matdef=="" || x.Matdef==null)?"-":x.Matdef,
                             数量 = x.TypeStr == "预制组件" ? 1 : (x.Number ?? 1),
                             所在包装编号 = x.PackagingCode,
                             车次 = x.TrainNumber,
                             流水段 = x.FlowingSection
                         });
                string path = Funs.RootPath + @"File\Excel\Temp\PrePipelineInstallList.xlsx";
                path = path.Replace(".xlsx", string.Format("{0:yyyy-MM-dd}", DateTime.Now) + ".xlsx");

                MiniExcel.SaveAs(path, q, overwriteFile: true);

                string fileName = $"安装清单-" + this.tvControlItem.SelectedNode.Text + "-" + string.Format("{0:yyyy-MM-dd}", DateTime.Now) + ".xlsx";
                FileInfo info = new FileInfo(path);
                long fileSize = info.Length;
                System.Web.HttpContext.Current.Response.Clear();
                System.Web.HttpContext.Current.Response.ContentType = "application/x-zip-compressed";
                System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
                System.Web.HttpContext.Current.Response.AddHeader("Content-Length", fileSize.ToString());
                System.Web.HttpContext.Current.Response.TransmitFile(path, 0, fileSize);
                System.Web.HttpContext.Current.Response.Flush();
                System.Web.HttpContext.Current.Response.Close();
                File.Delete(path);
            
        }
    }
}