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 System.Data.Sql;
using System.Data.SqlClient;
using ManagementSystem.Utility;

namespace ManagementSystem
{
    public partial class CashFlowForecastEdit : Form
    {
        //程式內共用物件
        public string strFrmStatus = ""; //表單狀態
        public string strPKey = "";  //程式內的Key值
        public string strOwnerForm = "";   //呼叫的Form Name
        public string strKey = "";  //程式內加密的Key值
        public string strActiveUserID = ""; //取得登入作用的使用者帳號
        public string strAccountingBookID = "";  //取得作用中的帳本
        private string strInputType = "Single";  //輸入模式 Single:單次 ；Cycle_T:次數循環 ；Cycle_D:日期區間循環
        SqlConnection sqlConn = UtilityClass.GetConn(MainForm.strAccountingBookID);
        SqlTransaction sqlTran;
        SqlDataAdapter sqlAdapter = new SqlDataAdapter();
        SqlCommand sqlCmd = new SqlCommand();

        public CashFlowForecastEdit()
        {
            InitializeComponent();
        }

        #region 自定義程式
        private void SetupStatus()  //畫面載入設定
        {
            try
            {
                strActiveUserID = MainForm.strActiveUserID;
                strAccountingBookID = MainForm.strAccountingBookID;
                strKey = MainForm.strKey;
                dpStartDate.Enabled = false;
                dpForcastDate.Enabled = true;
            }
            catch (Exception ex)
            {
                ErrorHandler.WriteErrorLog("CashFlowForecastEdit.cs", ex);
            }
        }

        private void CleanForm()  //清除畫面資料
        {
            rbForecastType.Checked = true;
            rbForecastType1.Checked = false;
            dpStartDate.Text = "";
            txtCycleTimes.Text = "";
            dpForcastDate.Text = "";
            txtCustomerName.Text = "";
            txtCustomerID.Text = "";
            txtProjectName.Text = "";
            txtProjectNumber.Text = "";
            txtMemo.Text = "";
            txtInvoiceNo.Text = "";
            txtForecastIncome.Text = "";
            txtForecastExpand.Text = "";
        }

        private void HindObject()  //依照新增的狀態顯示對應物件
        {
            if (rbForecastType.Checked)
            {
                dpStartDate.Enabled = false;
                txtCycleTimes.Enabled = false;
                dpForcastDate.Enabled = true;
                txtInvoiceNo.Enabled = true;
                dpEndDate.Enabled = false;
                strInputType = "Single";
                dpForcastDate.Focus();
            }
            else if (rbForecastType1.Checked)
            {
                dpStartDate.Enabled = true;
                txtCycleTimes.Enabled = true;
                dpForcastDate.Enabled = false;
                txtInvoiceNo.Enabled = false;
                dpEndDate.Enabled = false;
                strInputType = "Cycle_T";
                dpStartDate.Focus();
            }
            else if(rbForecastType2.Checked)
            {
                dpStartDate.Enabled = true;
                txtCycleTimes.Enabled = false;
                dpForcastDate.Enabled = false;
                txtInvoiceNo.Enabled = false;
                dpEndDate.Enabled = true;
                strInputType = "Cycle_D";
                dpStartDate.Focus();
            }
        }
        
        private string CheckForm(string strType)  //循環輸入檢查
        {
            string strReturnMessage = "";
            try
            {
                                
                if (txtMemo.Text.Trim() == "")
                {
                    strReturnMessage = "備註不得為空!";
                    txtMemo.Focus();
                }

                if (txtForecastIncome.Text.Trim() != "" && txtForecastExpand.Text.Trim() != "")
                {
                    strReturnMessage = "預估收入及預估支出不得均有值!";
                    txtForecastIncome.Focus();
                }

                if (txtForecastIncome.Text.Trim() == "" && txtForecastExpand.Text.Trim() == "")
                {
                    strReturnMessage = "預估收入及預估支出不得均為空!";
                    txtForecastIncome.Focus();
                }
                else
                {
                    if (!UtilityClass.IsNumber(txtForecastIncome.Text.Trim().Replace(",", "")) && txtForecastIncome.Text.Trim() != "")
                    {
                        strReturnMessage = "預估收入數值格式有誤!";
                        txtForecastIncome.Focus();
                    }

                    if (!UtilityClass.IsNumber(txtForecastExpand.Text.Trim().Replace(",", "")) && txtForecastExpand.Text.Trim() != "")
                    {
                        strReturnMessage = "預估支出數值格式有誤!";
                        txtForecastExpand.Focus();
                    }
                }

                if (strType.ToUpper().Substring(0,5) == "CYCLE")
                {
                    if (dpStartDate.Text.Trim() == "")
                    {
                        strReturnMessage = "開始計算日期不得為空!";
                        dpStartDate.Focus();
                    }

                    if (!UtilityClass.IsDate(dpStartDate.Text.Trim()))
                    {
                        strReturnMessage = "開始計算日期格式有錯!";
                        dpStartDate.Focus();
                    }
                }

                if (strType.ToUpper() == "CYCLE_T")  //次數循環模式驗證
                {                    
                    if (!UtilityClass.IsNumber(txtCycleTimes.Text.Trim()))
                    {
                        strReturnMessage = "周期次數的值必需為數字!";
                        txtCycleTimes.Focus();
                    }
                }
                else if(strType.ToUpper() == "CYCLE_D")  //日期區間循環模式驗證
                {
                    if (dpEndDate.Text.Trim() == "")
                    {
                        strReturnMessage = "結束計算日期不得為空!";
                        dpEndDate.Focus();
                    }

                    if (!UtilityClass.IsDate(dpEndDate.Text.Trim()))
                    {
                        strReturnMessage = "結束計算日期格式有錯!";
                        dpEndDate.Focus();
                    }
                }
                                
                return strReturnMessage;
            }
            catch
            {
                return "檢測有誤!";
            }
        }

        private void AddEven()  //新增事件
        {
            try
            {
                //宣告物件
                string strIncome = "";
                string strExpand = "";
                
                StringBuilder strSQL = new StringBuilder();

                switch (strInputType.ToUpper())
                {
                    case "SINGLE":  //單次執行模式
                        strSQL.Clear();                                        
                        strSQL.Append("Insert Into OTB_FNC_CashFlowForecast(AccountingBookID, ItemNo, ForecastDate, ForecastIncome, ForecastExpand, CustomerName, Memo, InvoiceNo, ProjectNumber, ProjectCName ,CreateDate, CreateUser, ModifyDate, ModifyUser) Values ('");
                        strSQL.Append(strAccountingBookID + "',NEWID(),");
                        strSQL.Append("'" + dpForcastDate.Text.Trim() + "',");
                        strIncome = txtForecastIncome.Text.Trim();
                        strSQL.Append(string.IsNullOrEmpty(strIncome) ? "''," : "'" + UtilityClass.EncryptDES(strIncome, strKey) + "',");
                        strExpand = (string)txtForecastExpand.Text.Trim();
                        strSQL.Append(string.IsNullOrEmpty(strExpand) ? "''," : "'" + UtilityClass.EncryptDES(strExpand, strKey) + "',");
                        strSQL.Append("'" + txtCustomerName.Text.Trim() + "',");
                        strSQL.Append("'" + txtMemo.Text.Trim() + "',");
                        strSQL.Append("'" + txtInvoiceNo.Text.Trim() + "',");
                        strSQL.Append("'" + txtProjectNumber.Text.Trim() + "',");
                        strSQL.Append("'" + txtProjectName.Text.Trim() + "',");
                        strSQL.Append("Getdate(),'" + strActiveUserID + "',Getdate(),'" + strActiveUserID + "'); ");
                        break;

                    case "CYCLE_T":  //循環執行模式(次數)
                        strSQL.Clear();
                        DateTime dtCountDate = Convert.ToDateTime(dpStartDate.Text);
                        DateTime dtPayDate = DateTime.Now;
                        for (int intTimes = 0; intTimes <= Convert.ToInt32(txtCycleTimes.Text.ToString()); intTimes++)
                        {
                            //計算付款日期 Start
                            dtPayDate = dtCountDate.AddMonths(intTimes);
                            //計算付款日期 End
                            strSQL.Append("Insert Into OTB_FNC_CashFlowForecast(AccountingBookID, ItemNo, ForecastDate, ForecastIncome, ForecastExpand, CustomerName, Memo, ProjectNumber, ProjectCName ,CreateDate, CreateUser, ModifyDate, ModifyUser) Values ('");
                            strSQL.Append(strAccountingBookID + "',NEWID(),");
                            strSQL.Append("'" + dtPayDate.ToShortDateString() + "',");
                            strIncome = txtForecastIncome.Text.Trim();
                            strSQL.Append(string.IsNullOrEmpty(strIncome) ? "''," : "'" + UtilityClass.EncryptDES(strIncome, strKey) + "',");
                            strExpand = (string)txtForecastExpand.Text.Trim();
                            strSQL.Append(string.IsNullOrEmpty(strExpand) ? "''," : "'" + UtilityClass.EncryptDES(strExpand, strKey) + "',");
                            strSQL.Append("'" + txtCustomerName.Text.Trim() + "',");
                            strSQL.Append("'" + txtMemo.Text.Trim() + "',");
                            strSQL.Append("'" + txtProjectNumber.Text.Trim() + "',");
                            strSQL.Append("'" + txtProjectName.Text.Trim() + "',");
                            strSQL.Append("Getdate(),'" + strActiveUserID + "',Getdate(),'" + strActiveUserID + "'); ");
                        }
                        break;
                    case "CYCLE_D":  //循環執行模式(周期)
                        strSQL.Clear();
                        //DateTime dtStartDate = Convert.ToDateTime(dpStartDate.Text);
                        DateTime dtCountDate1 = Convert.ToDateTime(dpStartDate.Text);
                        DateTime dtEndDate = Convert.ToDateTime(dpEndDate.Text);
                        DateTime dtPayDate1 = Convert.ToDateTime(dpStartDate.Text);
                        int intAddCount = 0;
                        while (dtCountDate1 <= dtEndDate)
                        {
                            
                            dtPayDate1 = Convert.ToDateTime(dpStartDate.Text).AddMonths(intAddCount);
                            
                            strSQL.Append("Insert Into OTB_FNC_CashFlowForecast(AccountingBookID, ItemNo, ForecastDate, ForecastIncome, ForecastExpand, CustomerName, Memo, ProjectNumber, ProjectCName ,CreateDate, CreateUser, ModifyDate, ModifyUser) Values ('");
                            strSQL.Append(strAccountingBookID + "',NEWID(),");
                            strSQL.Append("'" + dtPayDate1.ToShortDateString() + "',");
                            strIncome = txtForecastIncome.Text.Trim();
                            strSQL.Append(string.IsNullOrEmpty(strIncome) ? "''," : "'" + UtilityClass.EncryptDES(strIncome, strKey) + "',");
                            strExpand = (string)txtForecastExpand.Text.Trim();
                            strSQL.Append(string.IsNullOrEmpty(strExpand) ? "''," : "'" + UtilityClass.EncryptDES(strExpand, strKey) + "',");
                            strSQL.Append("'" + txtCustomerName.Text.Trim() + "',");
                            strSQL.Append("'" + txtMemo.Text.Trim() + "',");
                            strSQL.Append("'" + txtProjectNumber.Text.Trim() + "',");
                            strSQL.Append("'" + txtProjectName.Text.Trim() + "',");
                            strSQL.Append("Getdate(),'" + strActiveUserID + "',Getdate(),'" + strActiveUserID + "'); ");

                            dtCountDate1 = dtCountDate1.AddMonths(1);
                            intAddCount += 1;
                        }
                        break;
                }
                
                using (SqlDataAdapter sqlAdapter = new SqlDataAdapter())
                {
                    //添加參數                    
                    sqlAdapter.InsertCommand = new SqlCommand();
                    sqlAdapter.InsertCommand.Connection = sqlConn;
                    sqlAdapter.InsertCommand.CommandText = strSQL.ToString();

                    if (sqlConn.State == ConnectionState.Closed)  //判斷連線狀態
                    {
                        sqlConn.Open();
                    }

                    sqlAdapter.InsertCommand.ExecuteNonQuery();
                    MessageBox.Show("資料新增成功", "提示");
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("資料新增失敗", "提示");
                ErrorHandler.WriteErrorLog("CashFlowForecastEdit.cs", ex);
            }
        }

        public void ReturnCustomer(string[] strCustomerData)  //回傳客戶資料
        {
            txtCustomerID.Text = strCustomerData[0].ToString();
            txtCustomerName.Text = strCustomerData[1].ToString();
        }

        public void ReturnProjectInfo(string[] strProjectInfo)  //回傳專案資料
        {
            txtProjectName.Text = strProjectInfo[1].ToString();
            txtProjectNumber.Text = strProjectInfo[0].ToString();
        }
        #endregion

        #region 事件觸發及問題處理
        private void CashFlowForecastEdit_Load(object sender, EventArgs e)
        {
            SetupStatus();
        }

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

        private void btnClean_Click(object sender, EventArgs e)
        {
            CleanForm();
        }

        private void txtForecastIncome_Enter(object sender, EventArgs e)
        {
            if (txtForecastIncome.Text.Trim() != "")
            {
                txtForecastIncome.Text = txtForecastIncome.Text.Trim().Replace(",", "");
            }
        }

        private void txtForecastIncome_Leave(object sender, EventArgs e)
        {
            if (txtForecastIncome.Text.Trim() != "")
            {
                txtForecastIncome.Text = UtilityClass.MarkNumber(txtForecastIncome.Text.Trim());
            }
        }

        private void txtForecastExpand_Enter(object sender, EventArgs e)
        {
            if (txtForecastExpand.Text.Trim() != "")
            {
                txtForecastExpand.Text = txtForecastExpand.Text.Trim().Replace(",", "");
            }
        }

        private void txtForecastExpand_Leave(object sender, EventArgs e)
        {
            if (txtForecastExpand.Text.Trim() != "")
            {
                txtForecastExpand.Text = UtilityClass.MarkNumber(txtForecastExpand.Text.Trim());
            }
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            string strCheckResult = CheckForm(strInputType);
            if (strCheckResult == "")
            {
                switch (strFrmStatus.ToUpper())
                {
                    case "ADD":
                        AddEven();
                        break;
                }
                ((CashFlowForecast)this.Owner).SetupStatus();   //進行母Form查詢功能
                this.Close();
            }
            else
            {
                MessageBox.Show(strCheckResult, "提示");
            }
        }

        private void rbForecastType_CheckedChanged(object sender, EventArgs e)
        {
            HindObject();
        }

        private void rbForecastType1_CheckedChanged(object sender, EventArgs e)
        {
            HindObject();
        }

        private void rbForecastType2_CheckedChanged(object sender, EventArgs e)
        {
            HindObject();
        }

        private void btnGetCustomer_Click(object sender, EventArgs e)
        {
            PickCustomer pkItemForm = new PickCustomer();
            pkItemForm.txtCustomerName.Text = txtCustomerName.Text.Trim();
            pkItemForm.strOwnerForm = "CashFlowForecastEdit";
            pkItemForm.Owner = this;
            pkItemForm.StartPosition = FormStartPosition.CenterParent;
            pkItemForm.ShowDialog();
        }

        private void btnGetProject_Click(object sender, EventArgs e)
        {
            PickProject pkItemForm = new PickProject();
            pkItemForm.txtProjectName.Text = txtProjectName.Text.Trim();
            pkItemForm.strOwnerForm = "CashFlowForecastEdit";
            pkItemForm.Owner = this;
            pkItemForm.StartPosition = FormStartPosition.CenterParent;
            pkItemForm.ShowDialog();
        }

        #endregion

        

        

        

    }
}