using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using ProjectBase.Controls;
using SIMDP.BLL;
using ProjectBase.Data.Pager;
using SIMDP.Model;
using ProjectBase.Util;
using ProjectBase.Data.BaseDAL;
using ProjectBase.Data.Logs;

namespace SIMDP.View
{
    public partial class FormPLC : BaseDock
    {
        private const int pageSize = 25;  // 表示每页显示30条记录
        private int pageCount = 1; // 表示查询共多少页
        //BlPlcInfo plcInfo = new BlPlcInfo();
        PagerInfo pagerInfo = new PagerInfo();
        //MoPlcInfo selectRow = null;   //选中的一行信息
        //string[] columsArray = null;

        public FormPLC()
        {
            InitializeComponent();
            #region 初始化PLC连接类型控件
            Dictionary<string, string> linkType = new Dictionary<string, string>();
            linkType.Add("0", "全部");
            foreach (var item in SysEnvironment.dirPlcLinkType)
            {
                linkType.Add(item.Key,item.Value);
            }
            //linkType = SysEnvironment.dirPlcLinkType;
            //linkType.Insert(0, new KeyValuePair<string, string>("0", "全部"));
            BindingSource bsType = new BindingSource();
            bsType.DataSource = linkType;
            this.lookUp_Type.Properties.DataSource = bsType;
            this.lookUp_Type.Properties.ValueMember = "Key";
            this.lookUp_Type.Properties.DisplayMember = "Value";
            this.lookUp_Type.EditValue = "0";    //设置默认值
            //this.lookUp_Type.Properties.NullText = "请您选择";
            #endregion

            BindData();
        }

        /// <summary>
        /// GridControl绑定数据源
        /// </summary>
        private void BindData()
        {
            pagerInfo.CurrenetPageIndex = 1;
            GetPageNumber( BLLFactory<BlPlcInfo>.Instance.GetRecordCount());
            this.gridControl_PLC.DataSource =  BLLFactory<BlPlcInfo>.Instance.GetAll(pagerInfo);
        }

        /// <summary>
        /// 刷新GridControl中的数据
        /// </summary>
        private void RefreshData()
        {
            if (string.IsNullOrEmpty(txt_ID.Text) && string.IsNullOrEmpty(txt_Name.Text) && lookUp_Type.EditValue.ToString() == "0")
            {
                GetPageNumber( BLLFactory<BlPlcInfo>.Instance.GetRecordCount());
                this.gridControl_PLC.DataSource =  BLLFactory<BlPlcInfo>.Instance.GetAll(pagerInfo);
                this.gridControl_PLC.RefreshDataSource();
                txt_CurrentPage.Text = pagerInfo.CurrenetPageIndex.ToString();
                return;
            }
            string condition = " 1=1";
            if (!string.IsNullOrEmpty(txt_ID.Text))
            {
                condition += string.Format(" AND plc_id = {0}", Convert.ToInt32(txt_ID.Text));
            }
            if (!string.IsNullOrEmpty(txt_Name.Text))
            {
                condition += string.Format(" AND plc_name = '{0}'", txt_Name.Text);
            }
            if (lookUp_Type.EditValue.ToString() != "0")
            {
                condition += string.Format(" AND link_type = {0}", Convert.ToInt32(lookUp_Type.EditValue));
            }
            GetPageNumber( BLLFactory<BlPlcInfo>.Instance.GetRecordCount(condition));
            this.gridControl_PLC.DataSource =  BLLFactory<BlPlcInfo>.Instance.FindWithPager(condition,pagerInfo);
            this.gridControl_PLC.RefreshDataSource();
            txt_CurrentPage.Text = pagerInfo.CurrenetPageIndex.ToString();
            return;
        }

        /// <summary>
        /// 获取数据表一共有多少条数据
        /// </summary>
        private void GetPageNumber(int recordCount)
        {
            //取得总页数
            if (recordCount % pageSize == 0)
            {
                pageCount = recordCount / pageSize;
            }
            else
            {
                pageCount = recordCount / pageSize + 1;
            }
            //currentPageNum = 1;
            this.label_PageInfo.Text = string.Format("共 {0} 条记录，每页 {1} 条，共 {2} 页", recordCount, pageSize, pageCount);
            pagerInfo.RecordCount = recordCount;
            pagerInfo.PageSize = pageSize;
        }

        private void gridView_PLC_CustomDrawRowIndicator(object sender, DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventArgs e)
        {
            if (e.Info.IsRowIndicator && e.RowHandle >= 0)
            {
                e.Info.DisplayText = (e.RowHandle + 1).ToString();
            }
        }

        private void btn_First_Click(object sender, EventArgs e)
        {
            pagerInfo.CurrenetPageIndex = 1;
            RefreshData();
        }

        private void btn_Last_Click(object sender, EventArgs e)
        {
            pagerInfo.CurrenetPageIndex = pageCount;
            RefreshData();
        }

        private void btn_Previous_Click(object sender, EventArgs e)
        {
            if (pagerInfo.CurrenetPageIndex > 1)
            {
                pagerInfo.CurrenetPageIndex -= 1;
                RefreshData();
            }
            else
            {
                this.RefreshData();
            }
        }

        private void btn_Next_Click(object sender, EventArgs e)
        {
            if (pagerInfo.CurrenetPageIndex < pageCount)
            {
                pagerInfo.CurrenetPageIndex += 1;
                RefreshData();
            }
            else if (pageCount < 1)
            {
                RefreshData();
            }
            else
            {
                pagerInfo.CurrenetPageIndex = pageCount;
                RefreshData();
            }
        }

        private void txt_CurrentPage_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                int num;
                try
                {
                    num = Convert.ToInt16(txt_CurrentPage.Text);
                }
                catch 
                {
                    num = 1;
                }

                if (num > pageCount)
                    num = pageCount;
                if (num < 1)
                    num = 1;

                pagerInfo.CurrenetPageIndex = num;
                RefreshData();
            }
        }

        private void btn_Search_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(txt_ID.Text) && string.IsNullOrEmpty(txt_Name.Text) && lookUp_Type.EditValue.ToString() == "0")
            {
                BindData();
            }
            string condition = " 1=1";
            if (!string.IsNullOrEmpty(txt_ID.Text))
            {
                condition += string.Format(" AND plc_id = {0}", Convert.ToInt32(txt_ID.Text)); 
            }
            if (!string.IsNullOrEmpty(txt_Name.Text))
            {
                condition += string.Format(" AND plc_name = '{0}'", txt_Name.Text);
            }
            if (lookUp_Type.EditValue.ToString() != "0")
            {
                condition += string.Format(" AND link_type = {0}", Convert.ToInt32(lookUp_Type.EditValue));
            }
            GetPageNumber(BLLFactory<BlPlcInfo>.Instance.GetRecordCount(condition));

            List<MoPlcInfo> plcInfoList = new List<MoPlcInfo>();
            plcInfoList = BLLFactory<BlPlcInfo>.Instance.FindWithPager(condition,pagerInfo);

            if (plcInfoList.Count == 0)
            {
                DevExpress.XtraEditors.XtraMessageBox.Show("无查询结果。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }
            txt_CurrentPage.Text = "1";
            this.gridControl_PLC.DataSource = plcInfoList;
            this.gridControl_PLC.RefreshDataSource();
        }

        private void btn_Delete_Click(object sender, EventArgs e)
        {
            try
            {
                if (DevExpress.XtraEditors.XtraMessageBox.Show("您确定删除选定的记录么？", "提示信息", MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.No)
                {
                    return;
                }
                MoPlcInfo selectRow = this.gridView_PLC.GetFocusedRow() as MoPlcInfo;
                int id = Convert.ToInt32(selectRow.PlcId);
                bool flag = BLLFactory<BlPlcInfo>.Instance.Delete(id, SysEnvironment.CurrentLoginID);
                if (flag)
                {
                    DevExpress.XtraEditors.XtraMessageBox.Show("删除成功。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    RefreshData();
                }
                else
                {
                    DevExpress.XtraEditors.XtraMessageBox.Show("删除失败。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
            catch (Exception ex)
            {
                DevExpress.XtraEditors.XtraMessageBox.Show("删除失败。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                LogHelper.log.Error(string.Format("删除数据库plc_info出现错误：{0}", ex));
            }

        }


        private void btn_Edit_Click(object sender, EventArgs e)
        {
            MoPlcInfo selectRow = this.gridView_PLC.GetFocusedRow() as MoPlcInfo;
            FormEditPLC editPLC = new FormEditPLC(selectRow);
            editPLC.saveData += new FormEditPLC.save(RefreshData);
            editPLC.ShowDialog();
        }

        private void btn_Add_Click(object sender, EventArgs e)
        {
            FormEditPLC editPLC = new FormEditPLC(null);
            editPLC.saveData += new FormEditPLC.save(RefreshData);
            editPLC.ShowDialog();
        }

        private void gridView_PLC_CustomColumnDisplayText(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDisplayTextEventArgs e)
        {
            if (e.Column.FieldName == "LinkType")
            {
                e.DisplayText = SysEnvironment.dirPlcLinkType.FirstOrDefault(p => p.Key == e.Value.ToString().Trim()).Value;
            }
        }
    }
}