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_DBSync
{
    public partial class frmIfThenParams : Form
    {
        private SyncInstrumentItemInfo syncInstrument = new SyncInstrumentItemInfo();
        public CnasConditionMapValue conditionvalue = new CnasConditionMapValue();
        public frmIfThenParams(SyncInstrumentItemInfo syncInstrument, CnasConditionMapValue conditionvalue)
        {
            InitializeComponent();

            this.conditionvalue = conditionvalue;
            this.syncInstrument = syncInstrument;
        }

        private void frmIfThenParams_Load(object sender, EventArgs e)
        {
            if (conditionvalue == null) return;

            string strCondition = conditionvalue.Condition.ToString();
            this.groupBox1.Text = $"条件<{strCondition}>";

            //加载所有来源数据库的列名
            InstrumentData instrumentData = InstrumentDataFact.CreateInstrumentDataSource(syncInstrument.SyncInstrumentDSInfo, new object[] { "", "", "" });
            Dictionary<string, DataTable> dictInstruTables = instrumentData.GetInstrumentData();

            //来源库的表名
            if (syncInstrument.LstSyncPramas == null || syncInstrument.LstSyncPramas.Count == 0) return;
            string strSourceTableName = syncInstrument.LstSyncPramas[0].SourceTable;
            //绑定ComboBox数据
            if (!dictInstruTables.ContainsKey(strSourceTableName)) return;
            List<string> lstColumns = new List<string>();
            foreach (DataColumn dc in dictInstruTables[strSourceTableName].Columns)
            {
                lstColumns.Add(dc.ColumnName);
            }
            cbxInstrument.DataSource = lstColumns;
            cbxInstrument.ValueMember = "";

            //加载旧数据
            string strValue = "";
            if (conditionvalue.Value != null)
                strValue = conditionvalue.Value.ToString();

            if (strValue != "")
            {
                //解析字符串，创建datagridviewrow显示
                List<IFThenConditionParams> lstParams = GlobalCommonOperation.AnanlysisIFThenString(strValue);
                if (lstParams.Count > 0)
                {
                    cbxInstrument.Text = lstParams[0].ConditionColumnName;

                    foreach (var conditionparams in lstParams)
                    {
                        //构建datagridview行数据
                        int index = this.dgvIfThen.Rows.Add();
                        this.dgvIfThen.Rows[index].Cells[0].Value = conditionparams.ConditionAlgorithm;
                        this.dgvIfThen.Rows[index].Cells[1].Value = conditionparams.ConditionColumnValue;
                        this.dgvIfThen.Rows[index].Cells[2].Value = conditionparams.ColumnValue;
                    }
                }
            }
        }

        private void btnAdd_Click(object sender, EventArgs e)
        {
            int index = this.dgvIfThen.Rows.Add();
            this.dgvIfThen.Rows[index].Cells[0].Value = "等于";
        }

        private void btnDelete_Click(object sender, EventArgs e)
        {
            this.dgvIfThen.Rows.RemoveAt(dgvIfThen.CurrentCell.RowIndex);
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            //if()
            string strReturnValue = "";
            string strConditionColumn = cbxInstrument.Text.ToString();
            if (strConditionColumn == "") return;
            for (int i = 0; i < dgvIfThen.Rows.Count; i++)
            {
                string strConditionType = this.dgvIfThen.Rows[i].Cells[0].Value==null?"": this.dgvIfThen.Rows[i].Cells[0].Value.ToString();
                string strConditionValue = this.dgvIfThen.Rows[i].Cells[1].Value == null ? "" : this.dgvIfThen.Rows[i].Cells[1].Value.ToString();
                string strResultValue = this.dgvIfThen.Rows[i].Cells[2].Value == null ? "" : this.dgvIfThen.Rows[i].Cells[2].Value.ToString();

                if (strConditionValue == "" && strResultValue == "") continue;
                if (!StringIegitimacy(strConditionValue) || !StringIegitimacy(strResultValue))
                {
                    MessageBox.Show("输入值存在不被允许的字符，请重新输入。");
                    break;
                }

                strReturnValue += "IF{" + strConditionColumn + "}{" + strConditionType + "}{" + strConditionValue + "}THEN{" + strResultValue + "};";
            }
            conditionvalue.Value = strReturnValue;
            this.DialogResult = DialogResult.OK;
            this.Close();
        }

        /// <summary>
        /// 字符串合法性判断（不允许输入跟解析字符串相同的字符，否则将无法正常解析）
        /// </summary>
        /// <param name="strValue"></param>
        /// <returns></returns>
        public bool StringIegitimacy(string strValue)
        {
            if (strValue.Contains('{') || strValue.Contains('}') || strValue.Contains("IF") || strValue.Contains("THEN") || strValue.Contains(';'))
                return false;
            else
                return true;
        }
    }
}