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 DayOffEstimate : Form
    {
        //程式內共用物件
        public string strFrmStatus = ""; //表單狀態
        public string strPKey = "";  //程式內的Key值
        string strKey = "";  //程式內加密的Key值
        string strActiveUserID = ""; //取得登入作用的使用者帳號
        string strAccountingBookID = "";  //取得作用中的帳本
        SqlConnection sqlConn = UtilityClass.GetConn(MainForm.strAccountingBookID);
        SqlTransaction sqlTran;
        SqlDataAdapter sqlAdapter = new SqlDataAdapter();
        SqlCommand sqlCmd = new SqlCommand();
        DataSet sdInsurance = new System.Data.DataSet();

        public DayOffEstimate()
        {
            InitializeComponent();
        }

        #region 自定義程式
        private void StatusChange(string strStatus)  //變更主畫面狀態
        {
            strActiveUserID = MainForm.strActiveUserID;
            strAccountingBookID = MainForm.strAccountingBookID;
            strKey = MainForm.strKey;

            switch (strStatus.ToUpper())
            {
                case "NONE":
                    //本功能無None狀態
                    ((MainForm)ParentForm).SsStatus.Items["tsslStatus"].Text = "";
                    strFrmStatus = "";
                    CleanToolbar();
                    CleanForm();
                    LockForm();
                    tsbSearch.Enabled = true;
                    tsbOK.Visible = false;
                    tsbCancel.Visible = false;
                    break;
                case "SEARCH":
                    //查詢功能
                    ((MainForm)ParentForm).SsStatus.Items["tsslStatus"].Text = "搜尋";
                    tsbSearch.Visible = false;
                    tsbOK.Visible = true;
                    tsbCancel.Visible = true;
                    UnLockForm();
                    break;
                case "ADD":
                    //本程式無新增功能
                    ((MainForm)ParentForm).SsStatus.Items["tsslStatus"].Text = "新增";
                    strFrmStatus = "ADD";
                    break;
                case "MODIFY":
                    //本程式無修改功能
                    ((MainForm)ParentForm).SsStatus.Items["tsslStatus"].Text = "修改";
                    strFrmStatus = "MODIFY";
                    break;
                case "DEL":
                    //本程式無刪除功能
                    ((MainForm)ParentForm).SsStatus.Items["tsslStatus"].Text = "刪除";
                    strFrmStatus = "DEL";
                    break;
            }

        }

        private void GoEvent()  //執行動作
        {
            CleanForm();
            string strAskUser = "";
            double dcLeaveCount = 0.0;
            DateTime dtStartDate = DateTime.Now.AddMonths(-1).AddDays(-(DateTime.Now.AddMonths(-1).Day - 1));
            DateTime dtEndDate = dtStartDate.AddDays(DateTime.DaysInMonth(DateTime.Now.AddMonths(-1).Year, DateTime.Now.AddMonths(-1).Month) - 1);
            StringBuilder sbSQL = new StringBuilder();
            sbSQL.Append("Select AskUser, LeaveDateStart, LeaveDateEnd, [Type],[dbo].OFN_SYS_ArgumentValueByArgumentID(Type,'LeaveType') AS TypeName ");
            sbSQL.Append("From OTB_HR_AskLeave Where 1=1 ");
            sbSQL.Append("And LeaveDateStart > Convert(datetime, '" + dtStartDate.ToShortDateString() + " 00:00:00AM') ");
            sbSQL.Append("And LeaveDateStart < Convert(datetime, '" + dtEndDate.ToShortDateString() + " 12:59:59PM') ");
            sbSQL.Append("Order by AskUser,LeaveDateStart ");

            //本程式只有查詢結果
            DataTable dtTemp = UtilityClass.GetSQLResult(sbSQL.ToString()).Tables["Result"];

            foreach (DataRow drData in dtTemp.Rows)
            {
                if (strAskUser != "")
                {

                }
                else
                {
                    strAskUser = drData["AskUser"].ToString();
                    //應該計算的內容：起啟日期在上月日期區間中，計算至上月月底 + 結束日期在上月日期區間中，計算至上月月底
                }
            }
            
        }

        private void CleanToolbar()  //清除工具列
        {
            //設定Toolbar狀態
            tsbSearch.Visible = true;
            tsbAdd.Visible = false;
            tsbEdit.Visible = false;
            tsbDelete.Visible = false;
            tsbSave.Visible = false;
            tsbOK.Visible = false;
            tsbCancel.Visible = false;
        }

        private void LockForm()  //鎖定物件
        {
            cbYear.Enabled = false;
            cbMonth.Enabled = false;            
        }

        private void UnLockForm()  //物件解鎖
        {
            cbYear.Enabled = true;
            cbMonth.Enabled = true;
        }

        private void CleanForm() //清除畫面
        {
            //設定畫面物件狀態
            string strYear = DateTime.Now.AddMonths(-1).Year.ToString();
            string strMonth = DateTime.Now.AddMonths(-1).Month.ToString();
            cbYear.Items.Clear();
            for (int intCount = DateTime.Now.Year; intCount >= DateTime.Now.AddYears(-4).Year; intCount--)
            {
                cbYear.Items.Add(intCount.ToString());
            }
                
            cbYear.SelectedItem = strYear;
            cbMonth.SelectedItem = strMonth;

            //清除GridView
            dgvDayOffList.Columns.Clear();
        }
        #endregion

        #region 事件觸發及問題處理
        private void DayOffEstimate_Load(object sender, EventArgs e)
        {
            StatusChange("NONE");
        }

        private void tsbSearch_Click(object sender, EventArgs e)
        {
            CleanForm();
            UnLockForm();
            tsbOK.Visible = true;
            tsbOK.Enabled = true;
            tsbCancel.Visible = true;
            tsbCancel.Enabled = true;
            StatusChange("SEARCH");
        }

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

        private void tsbOK_Click(object sender, EventArgs e)
        {
            GoEvent();
            StatusChange("NONE");
        }

        private void tsbCancel_Click(object sender, EventArgs e)
        {
            CleanToolbar();
            CleanForm();
            LockForm();
        }

        private void tsbExit_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        #endregion        

        
    }
}