using CnasSynchronusClient;
using CnasSynchrousModel;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace CNAS_BalanceClient
{
    public partial class frmConditionMap : Form
    {
        DataBaseInfo targetDataBase;
        public SyncBalanceItem currentBalanceItem;
        private ComboBox cbxConditionValue;
        //private List<string> lstConditionValueType = new List<string>() { "等于", "连接", "若...则...", "截取", "除以", "乘以", "小数位数", "数值相加(减)", "截断开头(结尾)" };
        private List<string> lstConditionValueType = new List<string>() { "等于" };

        public frmConditionMap(SyncBalanceItem currentBalanceItem, DataBaseInfo targetDataBase)
        {
            InitializeComponent();

            this.currentBalanceItem = currentBalanceItem;
            this.targetDataBase = targetDataBase;
        }

        private void frmConditionMap_Load(object sender, EventArgs e)
        {
            if (currentBalanceItem == null || currentBalanceItem.syncParamasInfos == null || currentBalanceItem.syncParamasInfos.Count == 0)
            {
                MessageBox.Show("请先指定至少一个映射字段。");
                return;
            }
            //初始化ComBobox
            InnitalComboBox();

            //加载数据
            LoadShowData();
        }

        
        /// <summary>
        /// 初始化控件combobox
        /// </summary>
        private void InnitalComboBox()
        {
            cbxConditionValue = new ComboBox();
            cbxConditionValue.SelectedIndexChanged += new EventHandler(cbxConditionValue_SelectedIndexChanged);
            cbxConditionValue.SelectionChangeCommitted += new EventHandler(cbxConditionValue_SelectionChangedCommitted);

            cbxConditionValue.Visible = false;

            cbxConditionValue.DataSource = lstConditionValueType;
        }
        private void cbxConditionValue_SelectionChangedCommitted(object sender, EventArgs e)
        {
            cbxConditionValue.Visible = false;
        }

        private void cbxConditionValue_SelectedIndexChanged(object sender, EventArgs e)
        {
            //当前选中单元格的值将随之发生更改
            if (dgvCnas.CurrentCell == null) return;
            dgvCnas.Rows[dgvCnas.CurrentCell.RowIndex].Cells["condition"].Value = cbxConditionValue.Text;
        }
        /// <summary>
        /// 加载数据
        /// </summary>
        private void LoadShowData()
        {
            //1.根据映射表中的表名，获取该表所有字段，全部显示
            string strTableName = currentBalanceItem.syncParamasInfos[0].TargetTable;
            DataTable dtTableStruct = CnasDataOperationFact.CnasDataOperation().GetCNASTablesStruct(strTableName, targetDataBase);
            if (dtTableStruct != null)
            {
                DataTable dtCnasShow = new DataTable();
                dtCnasShow.Columns.Add("CnasTableName");
                dtCnasShow.Columns.Add("CnasFieldName");
                dtCnasShow.Columns.Add("CnasDataType");
                foreach (DataColumn dc in dtTableStruct.Columns)
                {
                    if (dc.ColumnName.ToUpper() == "ID") continue;
                    dtCnasShow.Rows.Add(new object[] { strTableName, dc.ColumnName, dc.DataType });
                }

                dgvCnas.DataSource = dtCnasShow;
            }
            //2.根据已存储数据，匹配后填充到datagridview中
            if (currentBalanceItem.lstFixedValue == null)
                currentBalanceItem.lstFixedValue = new List<CnasConditionMapValue>();
            if (currentBalanceItem.lstFixedValue.Count == 0) return;
            foreach (DataGridViewRow dgvRow in dgvCnas.Rows)
            {
                string strCurrentTable = dgvRow.Cells["TableName"].Value.ToString();
                string strCurrentColumn = dgvRow.Cells["TableColumn"].Value.ToString();

                if (strCurrentTable == "" || strCurrentColumn == "") continue;
                var query = currentBalanceItem.lstFixedValue.Where(s => s.TableName == strCurrentTable && s.ColumnName == strCurrentColumn).ToList<CnasConditionMapValue>();
                if (query.Count == 1)
                {
                    dgvRow.Cells["Value"].Value = query[0].Value;
                    dgvRow.Cells["Condition"].Value = GiveShowByCondition(query[0]);
                }
            }
        }

        public string GiveShowByCondition(CnasConditionMapValue cnasFixed)
        {
            string strCurrentCondition = "";
            switch (cnasFixed.Condition)
            {
                case MapCondition.Equal:
                    strCurrentCondition = "等于";
                    break;
                case MapCondition.Sub:
                    strCurrentCondition = "连接";
                    break;
                case MapCondition.IFThen:
                    strCurrentCondition = "若...则...";
                    break;
                case MapCondition.Divided:
                    strCurrentCondition = "除以";
                    break;
                case MapCondition.Multiplied:
                    strCurrentCondition = "乘以";
                    break;
                case MapCondition.SubString:
                    strCurrentCondition = "截取";
                    break;
                case MapCondition.DecimalDigits:
                    strCurrentCondition = "小数位数";
                    break;
                case MapCondition.AddSubtract:
                    strCurrentCondition = "数值相加(减)";
                    break;
                case MapCondition.SubstringStartEnd:
                    strCurrentCondition = "截断开头(结尾)";
                    break;
            }
            return strCurrentCondition;
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.OK;
            this.Close();
        }

        private void dgvCnas_CellEndEdit(object sender, DataGridViewCellEventArgs e)
        {
            if (e.ColumnIndex == 1)  //此时是“值”列
            {
                //如果没有指定条件，无法存储结果
                if (dgvCnas.Rows[e.RowIndex].Cells["condition"].Value == null) return;

                //当前列名
                string strCurrentTable = dgvCnas.Rows[e.RowIndex].Cells["TableName"].Value.ToString();
                string strCurrentColumn = dgvCnas.Rows[e.RowIndex].Cells["TableColumn"].Value.ToString();
                string strCurrentType = dgvCnas.Rows[e.RowIndex].Cells["DataType"].Value.ToString();
                string strCurrentCondition = dgvCnas.Rows[e.RowIndex].Cells["condition"].Value.ToString();

                if (dgvCnas.CurrentCell.Value == null)
                {
                    currentBalanceItem.lstFixedValue.RemoveAll(s => s.TableName == strCurrentTable && s.ColumnName == strCurrentColumn);
                    return;
                }
                string strInputValue = dgvCnas.CurrentCell.Value.ToString();

                //检查合法性
                if (strCurrentColumn == "ID")
                {
                    MessageBox.Show("该列不能指定固定值。");
                    return;
                }
                bool bIfSuccess = true;
                switch (strCurrentType)
                {
                    case "System.Decimal":
                        decimal defaultdecimal = 0;
                        if (!decimal.TryParse(strInputValue, out defaultdecimal))
                            bIfSuccess = false;
                        break;
                    case "System.Int":
                        int defaultint = 0;
                        if (!int.TryParse(strInputValue, out defaultint))
                            bIfSuccess = false;
                        break;
                    case "System.String":
                    default:
                        break;
                }
                if (!bIfSuccess)
                {
                    MessageBox.Show("输入格式不正确，请重新输入。");
                    return;
                }

                if (GetBytesOfString(strInputValue) > 20)
                {
                    MessageBox.Show("输入内容超出限制，请重新输入。");
                    dgvCnas.CurrentCell.Value = "";
                    return;
                }

                //将数据插入到数据源中
                var query = currentBalanceItem.lstFixedValue.Where(s => s.TableName == strCurrentTable && s.ColumnName == strCurrentColumn).ToList<CnasConditionMapValue>();
                if (query.Count >= 1)
                {
                    GiveConditionByShow(query[0], strCurrentCondition);
                    //query[0].Condition = strCurrentCondition == "Sub" ? MapCondition.Sub : (strCurrentCondition == "IFThen" ? MapCondition.IFThen: MapCondition.Equal);
                    query[0].Value = strInputValue;
                }
                else
                {
                    CnasConditionMapValue cnasFixed = new CnasConditionMapValue();
                    cnasFixed.TableName = strCurrentTable;
                    cnasFixed.ColumnName = strCurrentColumn;
                    cnasFixed.Value = strInputValue;
                    //cnasFixed.Condition= strCurrentCondition == "Sub" ? MapCondition.Sub : (strCurrentCondition == "IFThen" ? MapCondition.IFThen : MapCondition.Equal);
                    GiveConditionByShow(cnasFixed, strCurrentCondition);

                    currentBalanceItem.lstFixedValue.Add(cnasFixed);
                }
            }
        }

        public int GetBytesOfString(string Text)
        {
            int nByte = 0;
            byte[] bytes = Encoding.Unicode.GetBytes(Text);
            for (int i = 0; i < bytes.GetLength(0); i++)
            {
                //  偶数位置，如0、2、4等，为UCS2编码中两个字节的第一个字节
                if (i % 2 == 0)
                {
                    nByte++;      //  在UCS2第一个字节时n加1
                }
                else
                {
                    //  当UCS2编码的第二个字节大于0时，该UCS2字符为汉字，一个汉字算两个字节
                    if (bytes[i] > 0)
                    {
                        nByte++;
                    }
                }
            }

            return nByte;
        }

        public void GiveConditionByShow(CnasConditionMapValue cnasFixed, string strCurrentCondition)
        {
            switch (strCurrentCondition)
            {
                case "连接":
                    cnasFixed.Condition = MapCondition.Sub;
                    break;
                case "若...则...":
                    cnasFixed.Condition = MapCondition.IFThen;
                    break;
                case "截取":
                    cnasFixed.Condition = MapCondition.SubString;
                    break;
                case "除以":
                    cnasFixed.Condition = MapCondition.Divided;
                    break;
                case "乘以":
                    cnasFixed.Condition = MapCondition.Multiplied;
                    break;
                case "小数位数":
                    cnasFixed.Condition = MapCondition.DecimalDigits;
                    break;
                case "等于":
                    cnasFixed.Condition = MapCondition.Equal;
                    break;
                case "数值相加(减)":
                    cnasFixed.Condition = MapCondition.AddSubtract;
                    break;
                case "截断开头(结尾)":
                    cnasFixed.Condition = MapCondition.SubstringStartEnd;
                    break;
                default:
                    break;
            }
        }

        private void dgvCnas_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
        {
            Rectangle rectangle = new Rectangle(e.RowBounds.Location.X,
                e.RowBounds.Location.Y,
                dgvCnas.RowHeadersWidth - 4,
                e.RowBounds.Height);

            TextRenderer.DrawText(e.Graphics, (e.RowIndex + 1).ToString(),
                dgvCnas.RowHeadersDefaultCellStyle.Font,
                rectangle,
                dgvCnas.RowHeadersDefaultCellStyle.ForeColor,
                TextFormatFlags.VerticalCenter | TextFormatFlags.Right);
        }

        private void dgvCnas_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.ColumnIndex == 0)  //如果此时是“条件”列
            {
                ShowConditionValue();
            }
            #region
            //if (e.ColumnIndex == 1)//如果此时是“值”列
            //{
            //    if (dgvCnas.Rows[e.RowIndex].Cells["condition"].Value == null) return;
            //    if (dgvCnas.Rows[e.RowIndex].Cells["condition"].Value.ToString() == "连接")
            //    {
            //        CnasConditionMapValue cnasFixed = new CnasConditionMapValue
            //        {
            //            TableName = dgvCnas.Rows[e.RowIndex].Cells["TableName"].Value.ToString(),
            //            ColumnName = dgvCnas.Rows[e.RowIndex].Cells["TableColumn"].Value.ToString(),
            //            Condition = MapCondition.Sub
            //        };
            //        if (dgvCnas.Rows[e.RowIndex].Cells["Value"].Value != null)
            //            cnasFixed.Value = dgvCnas.Rows[e.RowIndex].Cells["Value"].Value.ToString();

            //        frmConditionParam frmCondition = new frmConditionParam(syncInstrument, cnasFixed);
            //        if (frmCondition.ShowDialog() == DialogResult.OK)
            //        {
            //            if (frmCondition.conditionvalue.Value != null && frmCondition.conditionvalue.Value.ToString() != "")
            //            {
            //                dgvCnas.Rows[e.RowIndex].Cells["Value"].Value = frmCondition.conditionvalue.Value;

            //                //将数据插入到数据源中
            //                var query = syncInstrument.lstFixedValue.Where(s => s.TableName == cnasFixed.TableName && s.ColumnName == cnasFixed.ColumnName).ToList<CnasConditionMapValue>();
            //                if (query.Count >= 1)
            //                {
            //                    query[0].Condition = cnasFixed.Condition;
            //                    query[0].Value = frmCondition.conditionvalue.Value;
            //                }
            //                else
            //                {
            //                    cnasFixed.Value = frmCondition.conditionvalue.Value;
            //                    syncInstrument.lstFixedValue.Add(cnasFixed);
            //                }
            //            }
            //        }
            //    }
            //    if (dgvCnas.Rows[e.RowIndex].Cells["condition"].Value.ToString() == "若...则...")
            //    {
            //        CnasConditionMapValue cnasFixed = new CnasConditionMapValue
            //        {
            //            TableName = dgvCnas.Rows[e.RowIndex].Cells["TableName"].Value.ToString(),
            //            ColumnName = dgvCnas.Rows[e.RowIndex].Cells["TableColumn"].Value.ToString(),
            //            Condition = MapCondition.IFThen
            //        };
            //        if (dgvCnas.Rows[e.RowIndex].Cells["Value"].Value != null)
            //            cnasFixed.Value = dgvCnas.Rows[e.RowIndex].Cells["Value"].Value.ToString();

            //        frmIfThenParams frmIfThen = new frmIfThenParams(syncInstrument, cnasFixed);
            //        if (frmIfThen.ShowDialog() == DialogResult.OK)
            //        {
            //            if (frmIfThen.conditionvalue.Value != null && frmIfThen.conditionvalue.Value.ToString() != "")
            //            {
            //                dgvCnas.Rows[e.RowIndex].Cells["Value"].Value = frmIfThen.conditionvalue.Value;

            //                //将数据插入到数据源中
            //                var query = syncInstrument.lstFixedValue.Where(s => s.TableName == cnasFixed.TableName && s.ColumnName == cnasFixed.ColumnName).ToList<CnasConditionMapValue>();
            //                if (query.Count >= 1)
            //                {
            //                    query[0].Condition = cnasFixed.Condition;
            //                    query[0].Value = frmIfThen.conditionvalue.Value;
            //                }
            //                else
            //                {
            //                    cnasFixed.Value = frmIfThen.conditionvalue.Value;
            //                    syncInstrument.lstFixedValue.Add(cnasFixed);
            //                }
            //            }
            //        }
            //    }
            //    if (dgvCnas.Rows[e.RowIndex].Cells["condition"].Value.ToString() == "截取")
            //    {
            //        CnasConditionMapValue cnasFixed = new CnasConditionMapValue
            //        {
            //            TableName = dgvCnas.Rows[e.RowIndex].Cells["TableName"].Value.ToString(),
            //            ColumnName = dgvCnas.Rows[e.RowIndex].Cells["TableColumn"].Value.ToString(),
            //            Condition = MapCondition.SubString
            //        };
            //        if (dgvCnas.Rows[e.RowIndex].Cells["Value"].Value != null)
            //            cnasFixed.Value = dgvCnas.Rows[e.RowIndex].Cells["Value"].Value.ToString();

            //        frmSplitParam frmSplitParam = new frmSplitParam(cnasFixed);
            //        if (frmSplitParam.ShowDialog() == DialogResult.OK)
            //        {
            //            if (frmSplitParam.conditionvalue.Value != null && frmSplitParam.conditionvalue.Value.ToString() != "")
            //            {
            //                dgvCnas.Rows[e.RowIndex].Cells["Value"].Value = frmSplitParam.conditionvalue.Value;

            //                //将数据插入到数据源中
            //                var query = syncInstrument.lstFixedValue.Where(s => s.TableName == cnasFixed.TableName && s.ColumnName == cnasFixed.ColumnName).ToList<CnasConditionMapValue>();
            //                if (query.Count >= 1)
            //                {
            //                    query[0].Condition = cnasFixed.Condition;
            //                    query[0].Value = frmSplitParam.conditionvalue.Value;
            //                }
            //                else
            //                {
            //                    cnasFixed.Value = frmSplitParam.conditionvalue.Value;
            //                    syncInstrument.lstFixedValue.Add(cnasFixed);
            //                }
            //            }
            //        }
            //    }

            //    if (dgvCnas.Rows[e.RowIndex].Cells["condition"].Value.ToString() == "截断开头(结尾)")
            //    {
            //        CnasConditionMapValue cnasFixed = new CnasConditionMapValue
            //        {
            //            TableName = dgvCnas.Rows[e.RowIndex].Cells["TableName"].Value.ToString(),
            //            ColumnName = dgvCnas.Rows[e.RowIndex].Cells["TableColumn"].Value.ToString(),
            //            Condition = MapCondition.SubstringStartEnd
            //        };
            //        if (dgvCnas.Rows[e.RowIndex].Cells["Value"].Value != null)
            //            cnasFixed.Value = dgvCnas.Rows[e.RowIndex].Cells["Value"].Value.ToString();

            //        frmStartEndSubstring frmStartEnd = new frmStartEndSubstring(cnasFixed);
            //        if (frmStartEnd.ShowDialog() == DialogResult.OK)
            //        {
            //            if (frmStartEnd.conditionvalue.Value != null && frmStartEnd.conditionvalue.Value.ToString() != "")
            //            {
            //                dgvCnas.Rows[e.RowIndex].Cells["Value"].Value = frmStartEnd.conditionvalue.Value;

            //                //将数据插入到数据源中
            //                var query = syncInstrument.lstFixedValue.Where(s => s.TableName == cnasFixed.TableName && s.ColumnName == cnasFixed.ColumnName).ToList<CnasConditionMapValue>();
            //                if (query.Count >= 1)
            //                {
            //                    query[0].Condition = cnasFixed.Condition;
            //                    query[0].Value = frmStartEnd.conditionvalue.Value;
            //                }
            //                else
            //                {
            //                    cnasFixed.Value = frmStartEnd.conditionvalue.Value;
            //                    syncInstrument.lstFixedValue.Add(cnasFixed);
            //                }
            //            }
            //        }
            //    }

            //    if (dgvCnas.Rows[e.RowIndex].Cells["condition"].Value.ToString() == "数值相加(减)")
            //    {
            //        CnasConditionMapValue cnasFixed = new CnasConditionMapValue
            //        {
            //            TableName = dgvCnas.Rows[e.RowIndex].Cells["TableName"].Value.ToString(),
            //            ColumnName = dgvCnas.Rows[e.RowIndex].Cells["TableColumn"].Value.ToString(),
            //            Condition = MapCondition.AddSubtract
            //        };
            //        if (dgvCnas.Rows[e.RowIndex].Cells["Value"].Value != null)
            //            cnasFixed.Value = dgvCnas.Rows[e.RowIndex].Cells["Value"].Value.ToString();

            //        frmAddSubtract frmAddSubtract = new frmAddSubtract(syncInstrument, cnasFixed);
            //        if (frmAddSubtract.ShowDialog() == DialogResult.OK)
            //        {
            //            if (frmAddSubtract.conditionvalue.Value != null && frmAddSubtract.conditionvalue.Value.ToString() != "")
            //            {
            //                dgvCnas.Rows[e.RowIndex].Cells["Value"].Value = frmAddSubtract.conditionvalue.Value;

            //                //将数据插入到数据源中
            //                var query = syncInstrument.lstFixedValue.Where(s => s.TableName == cnasFixed.TableName && s.ColumnName == cnasFixed.ColumnName).ToList<CnasConditionMapValue>();
            //                if (query.Count >= 1)
            //                {
            //                    query[0].Condition = cnasFixed.Condition;
            //                    query[0].Value = frmAddSubtract.conditionvalue.Value;
            //                }
            //                else
            //                {
            //                    cnasFixed.Value = frmAddSubtract.conditionvalue.Value;
            //                    syncInstrument.lstFixedValue.Add(cnasFixed);
            //                }
            //            }
            //        }
            //    }

            //    dgvCnas.EndEdit();
            //}
            #endregion
        }
        private void ShowConditionValue()
        {
            Rectangle TmpRect = dgvCnas.GetCellDisplayRectangle(dgvCnas.CurrentCell.ColumnIndex, dgvCnas.CurrentCell.RowIndex, true);
            cbxConditionValue.Size = TmpRect.Size;
            cbxConditionValue.Top = TmpRect.Top;
            cbxConditionValue.Left = TmpRect.Left;
            cbxConditionValue.DropDownStyle = ComboBoxStyle.DropDownList;
            cbxConditionValue.FormattingEnabled = true;
            cbxConditionValue.Visible = true;

            if (!this.dgvCnas.Controls.Contains(cbxConditionValue))
                this.dgvCnas.Controls.Add(cbxConditionValue);
        }

        private void btnDelete_Click(object sender, EventArgs e)
        {
            if (currentBalanceItem == null) return;
            if (currentBalanceItem.lstFixedValue == null) return;
            if (dgvCnas == null) return;
            if (dgvCnas.Rows.Count <= 0) return;

            foreach (DataGridViewRow dr in dgvCnas.Rows)
            {
                dr.Cells["condition"].Value = "";
                dr.Cells["Value"].Value = "";
            }
            currentBalanceItem.lstFixedValue.Clear();
        }

        private void dgvCnas_CellValueChanged(object sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex <= 0) return;
            if (e.ColumnIndex == 0)  //此时是“条件”列
            {
                if (dgvCnas.Rows[e.RowIndex].Cells["TableName"].Value == null) return;
                if (dgvCnas.Rows[e.RowIndex].Cells["TableColumn"].Value == null) return;
                if (dgvCnas.Rows[e.RowIndex].Cells["DataType"].Value == null) return;
                if (dgvCnas.Rows[e.RowIndex].Cells["Condition"].Value == null) return;

                //当前列名
                string strCurrentTable = dgvCnas.Rows[e.RowIndex].Cells["TableName"].Value.ToString();
                string strCurrentColumn = dgvCnas.Rows[e.RowIndex].Cells["TableColumn"].Value.ToString();
                string strCurrentType = dgvCnas.Rows[e.RowIndex].Cells["DataType"].Value.ToString();
                string strCurrentCondition = dgvCnas.Rows[e.RowIndex].Cells["Condition"].Value.ToString();
                string strCurrentValue = dgvCnas.Rows[e.RowIndex].Cells["Value"].Value == null ? "" : dgvCnas.Rows[e.RowIndex].Cells["Value"].Value.ToString();

                //将数据插入到数据源中
                var query = currentBalanceItem.lstFixedValue.Where(s => s.TableName == strCurrentTable && s.ColumnName == strCurrentColumn).ToList<CnasConditionMapValue>();
                if (query.Count >= 1)
                {
                    GiveConditionByShow(query[0], strCurrentCondition);
                }
                else
                {
                    CnasConditionMapValue cnasFixed = new CnasConditionMapValue();
                    cnasFixed.TableName = strCurrentTable;
                    cnasFixed.ColumnName = strCurrentColumn;
                    cnasFixed.Value = strCurrentValue;
                    GiveConditionByShow(cnasFixed, strCurrentCondition);

                    currentBalanceItem.lstFixedValue.Add(cnasFixed);
                }
            }
        }

        private void dgvCnas_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            cbxConditionValue.Visible = false;
        }
    }
}