using BO.BO.Bill;
using BO.Utils;
using BO.Utils.BillRpc;
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 OrderConfirm
{
  public partial class OrderConfirmForm : Form, IAfterLogin
  {
    #region IAfterLogin
    public string RoleName
    {
      get { return "窒晕员"; }
    }

    public Form Generate()
    {
      return this;
    }

    #endregion

    private delegate void InvokeHandler();
    List<ConfirmOrder> list;
    Thread syncThread;
    public OrderConfirmForm()
    {
      InitializeComponent();
      uDatePicker1.Date = DateTime.Today;
      uDataGridView1.AutoGenerateColumns = false;
      uDataGridView1.DataSource = null;
      this.FormClosing += delegate
      {
        if (syncThread != null && syncThread.IsAlive)
          syncThread.Abort();
      };
    }

    private void syncBtn_Click(object sender, EventArgs e)
    {
      if (syncThread == null || !syncThread.IsAlive)
      {
        syncThread = new Thread(SyncTask);
        syncThread.Start();
        syncBtn.BackColor = Color.FromArgb(15, 215, 107);
        syncBtn.ForeColor = Color.White;
      }
      else
      {
        syncThread.Abort();
        syncBtn.BackColor = Color.FromKnownColor(KnownColor.Control);
        syncBtn.ForeColor = Color.FromKnownColor(KnownColor.ControlText);
      }
    }

    private void SyncTask()
    {
      while (true)
      {
        this.Invoke(new InvokeHandler(delegate()
        {
          list = OrderConfirmRpc.GetConfirmOrder(uDatePicker1.Date.Value);
          BindOrderGrid();
        }));
        Thread.Sleep(5000);
      }
    }

    ConfirmOrder last;
    private void BindOrderGrid()
    {
      uDataGridView1.DataSource = list.OrderBy(x => x.Order).OrderBy(x => x.Confirmed).ToList();
      if (last == null && uDataGridView1.CurrentRow != null)
      {
        last = uDataGridView1.CurrentRow.DataBoundItem as ConfirmOrder;
        if (last.Confirmed)
        {
          last = null;
          uDataGridView1.CurrentRow.DefaultCellStyle.BackColor = Color.YellowGreen;
        }
      }
      foreach (DataGridViewRow row in uDataGridView1.Rows)
      {
        if ((bool)row.Cells["C_Confirmed"].Value)
          row.DefaultCellStyle.BackColor = Color.YellowGreen;
        if (last != null && last.ID == (long)row.Cells["C_ID"].Value)
        {
          last = row.DataBoundItem as ConfirmOrder;
          if (last.Confirmed)
            row.DefaultCellStyle.BackColor = Color.Yellow;
          else
            row.DefaultCellStyle.BackColor = uDataGridView1.RowsDefaultCellStyle.SelectionBackColor;
        }
      }
      if (last != null && !last.Confirmed)
        orderLabel.Text = last.Order.ToString();
      else
        orderLabel.Text = "0";
      InitScrollBar1();
      uDataGridView1.ClearSelection();
      try
      {
        if (roll != -1)
          uDataGridView1.FirstDisplayedScrollingRowIndex = roll;
      }
      catch
      {
        roll = -1;
      }
      uDataGridView1.Refresh();
    }

    private void existBtn_Click(object sender, EventArgs e)
    {
      this.Close();
    }

    int roll = -1;
    private void InitScrollBar1()
    {
      vScrollBar1.Maximum = (uDataGridView1.RowCount - uDataGridView1.DisplayedRowCount(false) + 30) * uDataGridView1.RowTemplate.Height;
      vScrollBar1.Minimum = 0;
      vScrollBar1.SmallChange = uDataGridView1.RowTemplate.Height;
      vScrollBar1.LargeChange = uDataGridView1.RowTemplate.Height * 30;
      this.vScrollBar1.Scroll += (sender, e) =>
      {
        roll = e.NewValue / uDataGridView1.RowTemplate.Height;
        uDataGridView1.FirstDisplayedScrollingRowIndex = roll;
      };
    }

    private void uDataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
    {
      if (e.RowIndex == -1)
        return;
      var entity = uDataGridView1.CurrentRow.DataBoundItem as ConfirmOrder;
      if (e.ColumnIndex != uDataGridView1.Columns.Count - 1)//非确定列
      {
        if (last != null)
        {
          foreach (DataGridViewRow row in uDataGridView1.Rows)
          {
            if (last.ID == (long)row.Cells["C_ID"].Value)
            {
              row.DefaultCellStyle.BackColor = last.Confirmed ? Color.YellowGreen : uDataGridView1.RowsDefaultCellStyle.BackColor;
              break;
            }
          }
        }
        last = entity;
        uDataGridView1.CurrentRow.DefaultCellStyle.SelectionBackColor = last.Confirmed ? Color.Yellow : uDataGridView1.RowsDefaultCellStyle.SelectionBackColor;
        this.orderLabel.Text = last.Order.ToString();
      }
      else//确定列
      {
        uDataGridView1.CurrentRow.DefaultCellStyle.SelectionBackColor = last.Confirmed ? Color.YellowGreen : uDataGridView1.RowsDefaultCellStyle.BackColor;
        last = null;
      }
      uDataGridView1.Refresh();
    }

    private void uDataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
    {
      if (e.RowIndex == -1)
        return;
      if (e.ColumnIndex == uDataGridView1.ColumnCount - 1)//确定
      {
        var entity = uDataGridView1.CurrentRow.DataBoundItem as ConfirmOrder;
        if (entity.Confirmed)
          return;
        entity.Confirmed = true;
        OrderConfirmRpc.SetOrderConfirmed(entity.ID);
        BindOrderGrid();
      }
    }
  }
}