using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using ICSharpCode.Core;
using Mesnac.Action.Base;
using Mesnac.Controls.Base;
using System.Windows.Forms;
using Mesnac.Codd.Session;

namespace Mesnac.Action.Default.SynchroData
{
    public class Select : DatabaseAction, IAction
    {
        private string caption = StringParser.Parse(ResourceService.GetString("Mesnac_Dialog_Caption"));    //提示
        public void Run(RuntimeParameter runtime)
        {
            base.RunIni(runtime); //必须调用

            #region 限定只对相同DataSource的数据表进行操作

            string mcDataSourceID = String.Empty;
            if (runtime.Sender is Mesnac.Controls.Base.IBaseControl)
            {
                mcDataSourceID = (runtime.Sender as Mesnac.Controls.Base.IBaseControl).MCDataSourceID;
            }

            #endregion

            ShowMsg(String.Empty);  //清除消息显示控件的内容

            int iSubCount = 0;
            if (!string.IsNullOrWhiteSpace(runtime.Parameters))
            {
                int.TryParse(runtime.Parameters, out iSubCount);
            }

            #region 先处理非DataGridView控件

            foreach (DbMCSource dbsource in GetAllDbMCSources())
            {
                if (string.IsNullOrWhiteSpace(dbsource.DesignSource) ||
                    string.IsNullOrWhiteSpace(dbsource.DataTable.ToString()))
                {
                    continue;
                }
                if (!String.IsNullOrEmpty(mcDataSourceID) && dbsource.MCDataSource.Site.Name != mcDataSourceID)
                {
                    continue;
                }
                string source = dbsource.DesignSource;
                string table = dbsource.DataTable;
                DbHelper dbHelper = NewDbHelper(source);
                if (dbHelper == null)
                {
                    continue;
                }
                List<DbMCControl> lstDbMCControl = GetAllDbMCControls();
                foreach (DbMCControl control in lstDbMCControl)
                {
                    if (control.DbMCSource == null ||
                        control.DbMCSource.DbMCKey != dbsource.DbMCKey ||
                        string.IsNullOrWhiteSpace(control.BaseControl.ActionDataSource))
                    {
                        continue;
                    }
                    if (control.BaseControl is DataGridView)
                    {
                        //跳过DataGridView控件的处理
                        continue;
                    }
                    string ss = control.BaseControl.ActionDataSource;
                    if (!ss.ToLower().Trim().StartsWith("select "))
                    {
                        if (dbHelper.DbSession.ProviderFactory.GetType().FullName.Contains("OracleClientFactory"))
                        {
                            ss = "SELECT * FROM " + ss + " WHERE 1=1 {0} ";
                        }
                        else
                        {
                            ss = "SELECT * FROM [" + ss + "] WHERE 1=1 {0} ";
                        }
                    }

                    StringBuilder sqlsb = new StringBuilder();
                    sqlsb.Append(" ");
                    dbHelper.ClearParameter();
                    dbHelper.CommandType = CommandType.Text;
                    int iPara = 0;
                    foreach (DbMCControl select_control in lstDbMCControl)
                    {
                        if (select_control.DbMCSource == null ||
                            select_control.DbMCSource.DbMCKey != dbsource.DbMCKey ||
                            string.IsNullOrWhiteSpace(select_control.DataField) ||
                            select_control.BaseControl.MCValue == null ||
                            string.IsNullOrWhiteSpace(select_control.BaseControl.MCValue.ToString()))
                        {
                            continue;
                        }
                        if ((base.DbOptionTypesIsQuery(select_control.BaseControl)))
                        {
                            iPara++;
                            string parkey = "@" + select_control.DataField + "_Para" + iPara.ToString();
                            string field = "[" + select_control.DataTable + "].[" + select_control.DataField + "]";
                            if (dbHelper.DbSession.ProviderFactory.GetType().FullName.Contains("OracleClientFactory"))
                            {
                                parkey = ":" + select_control.DataField + "_Para" + iPara.ToString();
                                field = select_control.DataTable + "." + select_control.DataField;
                            }
                            sqlsb.Append(" AND ").Append(field).Append("=").Append(parkey);
                            dbHelper.AddParameter(parkey, select_control.BaseControl.MCValue);
                        }
                    }
                    if (iPara > 0 && ss.ToLower().Trim().IndexOf(" where ") < 0)
                    {
                        ss = ss + " WHERE 1=1";
                    }
                    string sqlstr = string.Format(ss, sqlsb.ToString());
                    if (sqlstr.Length == ss.Length)
                    {
                        sqlstr = ss + sqlsb.ToString();
                    }
                    dbHelper.CommandText = sqlstr;
                    DataTable dt = dbHelper.ToDataTable();

                    control.BaseControl.BindDataSource = dt; 
                }
            }

            #endregion

            #region 再处理DataGridView控件

            foreach (DbMCSource dbsource in GetAllDbMCSources())
            {
                if (string.IsNullOrWhiteSpace(dbsource.DesignSource) ||
                    string.IsNullOrWhiteSpace(dbsource.DataTable.ToString()))
                {
                    continue;
                }
                if (!String.IsNullOrEmpty(mcDataSourceID) && dbsource.MCDataSource.Site.Name != mcDataSourceID)
                {
                    continue;
                }
                string source = dbsource.DesignSource;
                string table = dbsource.DataTable;
                DbHelper dbHelper = NewDbHelper(source);
                if (dbHelper == null)
                {
                    continue;
                }
                List<DbMCControl> lstDbMCControl = GetAllDbMCControls();
                foreach (DbMCControl control in lstDbMCControl)
                {
                    if (control.DbMCSource == null ||
                        control.DbMCSource.DbMCKey != dbsource.DbMCKey ||
                        string.IsNullOrWhiteSpace(control.BaseControl.ActionDataSource))
                    {
                        continue;
                    }
                    if (!(control.BaseControl is DataGridView))
                    {
                        //跳过非DataGridView控件的处理
                        continue;
                    }
                    string ss = control.BaseControl.ActionDataSource;
                    if (!ss.ToLower().Trim().StartsWith("select "))
                    {
                        if (dbHelper.DbSession.ProviderFactory.GetType().FullName.Contains("OracleClientFactory"))
                        {
                            ss = "SELECT * FROM " + ss + " WHERE 1=1 {0} ";
                        }
                        else
                        {
                            ss = "SELECT * FROM [" + ss + "] WHERE 1=1 {0} ";
                        }
                    }

                    StringBuilder sqlsb = new StringBuilder();
                    sqlsb.Append(" ");
                    dbHelper.ClearParameter();
                    dbHelper.CommandType = CommandType.Text;
                    int iPara = 0;
                    foreach (DbMCControl select_control in lstDbMCControl)
                    {
                        if (select_control.DbMCSource == null ||
                            select_control.DbMCSource.DbMCKey != dbsource.DbMCKey ||
                            string.IsNullOrWhiteSpace(select_control.DataField) ||
                            select_control.BaseControl.MCValue == null ||
                            string.IsNullOrWhiteSpace(select_control.BaseControl.MCValue.ToString()))
                        {
                            continue;
                        }
                        if ((base.DbOptionTypesIsQuery(select_control.BaseControl)))
                        {
                            iPara++;
                            string parkey = "@" + select_control.DataField + "_Para" + iPara.ToString();
                            string field = "[" + select_control.DataTable + "].[" + select_control.DataField + "]";
                            if (dbHelper.DbSession.ProviderFactory.GetType().FullName.Contains("OracleClientFactory"))
                            {
                                parkey = ":" + select_control.DataField + "_Para" + iPara.ToString();
                                field = select_control.DataTable + "." + select_control.DataField;
                            }
                            sqlsb.Append(" AND ").Append(field).Append("=").Append(parkey);
                            dbHelper.AddParameter(parkey, select_control.BaseControl.MCValue);
                        }
                    }
                    if (iPara > 0 && ss.ToLower().Trim().IndexOf("where") < 0)
                    {
                        ss = ss + " WHERE 1=1";
                    }
                    string sqlstr = string.Format(ss, sqlsb.ToString());
                    if (sqlstr.Length == ss.Length)
                    {
                        sqlstr = ss + sqlsb.ToString();
                    }
                    dbHelper.CommandText = sqlstr;
                    DataTable dt = dbHelper.ToDataTable();

                    #region 选中行处理1

                    int index = 0;
                    DataGridView grid = control.BaseControl as DataGridView;
                    if (grid != null)
                    {
                        foreach (DataGridViewRow row in grid.SelectedRows)
                        {
                            row.Selected = false;
                            index = row.Index;
                        }
                    }
                    #endregion

                    control.BaseControl.BindDataSource = dt;

                    #region 选中行处理2

                    if (grid != null)
                    {
                        if (grid.Rows.Count > 0 && index < grid.Rows.Count)
                        {
                            grid.Rows[index].Selected = true;
                        }
                        else if (grid.Rows.Count > 0)
                        {
                            grid.Rows[grid.Rows.Count - 1].Selected = true;
                        }
                    }

                    #endregion
                    string msg1 = StringParser.Parse(ResourceService.GetString("Mesnac_Action_Default_SynchroData_Select_msg1"));   //信息查询成功，条数为{0}
                    //ShowMsg(string.Format(msg1, dt.Rows.Count - iSubCount));
                    ICSharpCode.Core.LoggingService<Select>.Info(string.Format(msg1, dt.Rows.Count - iSubCount));
                }
            }

            #endregion
        }
    }
}