using SelfHelpClient.BL;
using SelfHelpClient.BO;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace SelfHelpClient
{
  public partial class WeightForm : Form
  {
    WeightBill entity;
    Thread refersh;
    public WeightForm(ViewEntity view)
    {
      InitializeComponent();
      if (view.BillType == 0)
        entity = WeightBillBL.CreateWeightBill(view.ID);
      else
        entity = WeightBillBL.GetWeightBill(view.ID);
      var tableHeight = InitTableLayoutPanel();
      BuildGridPanel(tableHeight);
      this.FormClosing += delegate
      {
        if (refersh != null && refersh.IsAlive)
          refersh.Abort();
      };
    }

    protected override void OnLoad(EventArgs e)
    {
      base.OnLoad(e);
      farmerGrid.DataSource = entity.FarmerDetails;
      farmerGrid.Refresh();

      weightGrid.DataSource = entity.Details;
      weightGrid.Refresh();

      refersh = new Thread(RefershDetail);
      refersh.Start();
    }

    private void RefershDetail()
    {
      while (true)
      {
        Thread.Sleep(2000);
        if (this.IsHandleCreated)
        {
          this.Invoke(new Action(() =>
          {
            var detail = WeightBillBL.GetWeightDetail(entity.ID);
            if (detail.Any())
            {
              weightGrid.DataSource = detail;
              weightGrid.Refresh();
            }
          }));
        }
      }
    }

    private void BuildGridPanel(int tableHeight)
    {
      groupBox1.Location = new Point(0, tableHeight + 10);
      groupBox1.Width = Screen.PrimaryScreen.Bounds.Width;
      groupBox1.Height = 200;

      groupBox2.Location = new Point(0, tableHeight + groupBox1.Height + 10);
      groupBox2.Width = Screen.PrimaryScreen.Bounds.Width;
      groupBox2.Height = 150;
    }

    private int InitTableLayoutPanel()
    {
      TableLayoutPanel tablePanel = new TableLayoutPanel();
      tablePanel.Width = Screen.PrimaryScreen.Bounds.Width;
      panel2.Controls.Add(tablePanel);
      var dic = BuildFields();
      var table = ComputeColAndRow(dic.Count);
      tablePanel.Height = 60 * table.Rows + 5;
      DynamicLayout(tablePanel, table);
      var type = typeof(WeightBill);
      var r = 0;
      var c = 0;
      foreach (var item in dic)
      {
        Label title = BuildLabel(item.Value + "：");
        tablePanel.Controls.Add(title);
        tablePanel.SetRow(title, r);
        tablePanel.SetColumn(title, c);
        c++;

        var v = type.GetProperty(item.Key).GetValue(entity);
        var lbl = string.Empty;
        switch (item.Key)
        {
          case "WeighTime":
            lbl = string.Format("{0:yyyy-MM-dd HH:mm:ss}", v);
            break;
          case "JingJianFee":
          case "DiscontMoney":
          case "ShackWeight":
          case "ShackPrice":
          case "ShackMoney":
            lbl = string.Format("{0:#0.######}", v);
            break;
          case "AnimalTestDate":
            lbl = string.Format("{0:yyyy-MM-dd}", v);
            break;
          default:
            lbl = string.Format("{0}", v);
            break;
        }
        Label content = BuildLabel(lbl);
        tablePanel.Controls.Add(content);
        tablePanel.SetRow(content, r);
        tablePanel.SetColumn(content, c);
        c++;

        if (c % table.Cols == 0)
        {
          c = 0;
          r++;
        }
      }

      return tablePanel.Height;
    }

    TableSturct ComputeColAndRow(int fileCount)
    {
      var screenWidth = Screen.PrimaryScreen.Bounds.Width;
      var col = Math.Floor((decimal)screenWidth / (160 + 280));
      var row = Math.Ceiling(fileCount / col);
      return new TableSturct() { Rows = (int)row, Cols = (int)col * 2 };
    }

    private void DynamicLayout(TableLayoutPanel layoutPanel, TableSturct table)
    {
      layoutPanel.RowCount = table.Rows;    //设置分成几行  
      for (int i = 0; i < table.Rows; i++)
      {
        layoutPanel.RowStyles.Add(new RowStyle(SizeType.Absolute, 60));
      }
      layoutPanel.ColumnCount = table.Cols;    //设置分成几列  
      for (int i = 0; i < table.Cols; i++)
      {
        var precent = i % 2 == 0 ? 30F : 70F;
        layoutPanel.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, precent));
      }
    }

    Dictionary<string, string> BuildFields()
    {
      var dic = new Dictionary<string, string>() { 
      {"Supplier_Name","供应商"},{"BankAccount","银行卡号"},{"PurchaseType_Name","收购类型"},{"WeighTime","过磅时间"},{"Car_Name","车辆"},{"Employee_Name","业务员"},{"JingJianFee","经检费"},{"DiscontMoney","猪场扣款"},{"ShackWeight","棚前重量"},{"ShackPrice","棚前单价"},{"ShackMoney","棚前金额"},{"AnimalTestMan","动检人"},{"AnimalTestNumber","动检证号"},{"AnimalTestDate","动检日期"},
      };
      return dic;
    }

    Label BuildLabel(string content)
    {
      Label label = new Label();
      label.Text = content;
      label.Font = new System.Drawing.Font("宋体", 18);
      label.Dock = DockStyle.Fill;
      label.TextAlign = ContentAlignment.MiddleLeft;
      return label;
    }

    private void backBtn_Click(object sender, EventArgs e)
    {
      MainForm.Form.Show();
      this.Close();
    }

    private void okBtn_Click(object sender, EventArgs e)
    {
      //目前过磅信息界面上的确认按钮没有功能，暂时做点击完后返回主界面；
      MainForm.Form.Show();
      this.Close();
    }
  }

  struct TableSturct
  {
    public int Rows { get; set; }
    public int Cols { get; set; }
  }
}