using System;
using System.Linq;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using BMS_D1000H.BMSConstData;
using BMS_D1000H.DataStructs;
using BMS_D1000H.Utils.Functions;

namespace BMS_D1000H
{
    public partial class fmPassword : Form
    {
        string password = "";
        string new_password = "";
        string confirm_password = "";

        public int order_screen_no = 0;
        public int req_screen_no = 0;

        public fmPassword()
        {
            InitializeComponent();
        }

        private void tbPassword_GotFocus(object sender, EventArgs e)
        {
            kbdValue.Show();
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            ((fmBMSMain)(Owner)).ScreenSaverTimeReset();
            tbPassword.Text = "";
            ((fmBMSMain)(Owner)).ScreenMode = order_screen_no;
            ((fmBMSMain)(Owner)).sfmMain.Show(order_screen_no);

            ((fmBMSMain)(Owner)).sfmMain.Show(order_screen_no);
        }

        private void OKPasswordProcess(int oScreenNo)
        {
            switch (oScreenNo)
            {
                case ScreenID.HISTORY_SCREEN_ID:
                    ((fmBMSMain)(Owner)).BmsAlarmFile.DeleteAlarmData();
                    ((fmBMSMain)(Owner)).ScreenMode = req_screen_no;
                    ((fmBMSMain)(Owner)).sfmMain.Show(req_screen_no);
                    break;
                case ScreenID.SET_MENU_SCREEN_ID:
                    switch (req_screen_no)
                    {
                        case ScreenID.CHANGE_PASSWORD_SCREEN_ID:
                            req_screen_no = ScreenID.NEW_PASSWORD_SCREEN_ID;
                            this.OnActivated(null);
                            break;
                        case ScreenID.NEW_PASSWORD_SCREEN_ID:
                            req_screen_no = ScreenID.CONFIRM_PASSWORD_SCREEN_ID;
                            this.OnActivated(null);
                            break;
                        case ScreenID.CONFIRM_PASSWORD_SCREEN_ID:
                            ((fmBMSMain)(Owner)).ScreenMode = order_screen_no;
                            ((fmBMSMain)(Owner)).sfmMain.Show(order_screen_no);
                            break;
                    }
                    break;
                default:
                    ((fmBMSMain)(Owner)).ScreenMode = req_screen_no;
                    ((fmBMSMain)(Owner)).sfmMain.Show(req_screen_no);
                    break;
            }
        }

        private void btnOk_Click(object sender, EventArgs e)
        {
            string aPass;

            ((fmBMSMain)(Owner)).ScreenSaverTimeReset();

            switch (req_screen_no)
            {
                case ScreenID.NEW_PASSWORD_SCREEN_ID:
                    new_password = tbPassword.Text;
                    OKPasswordProcess(order_screen_no);
                    break;
                case ScreenID.CONFIRM_PASSWORD_SCREEN_ID:
                    confirm_password = tbPassword.Text;

                    if (confirm_password == new_password)
                    {
                        // Save new password
                        ((fmBMSMain)(Owner)).BmsAlarmFile.SaveNewPasswordData(new_password);
                        OKPasswordProcess(order_screen_no);
                    }
                    else
                    {
                        lbConfigName.Text = "Failed change password";
                        this.Update();
                        System.Threading.Thread.Sleep(1000);
                        req_screen_no = ScreenID.NEW_PASSWORD_SCREEN_ID;
                        this.OnActivated(null);
                    }
                    break;
                default:
                    aPass = tbPassword.Text;
                    tbPassword.Text = "";
                    password = ((fmBMSMain)(Owner)).BmsAlarmFile.BMS_PASSWORD;

                    if (aPass == password)
                        OKPasswordProcess(order_screen_no);
                    else
                        lbConfigName.Text = "Wrong password, please try again";
                    break;
            }
        }

        private void fmPassword_Activated(object sender, EventArgs e)
        {
            switch (req_screen_no)
            {
                case ScreenID.CHANGE_PASSWORD_SCREEN_ID:
                    lbConfigName.Text = "Please input current password";
                    tbPassword.Text = "";
                    break;
                case ScreenID.NEW_PASSWORD_SCREEN_ID:
                    lbConfigName.Text = "Please input new password";
                    tbPassword.Text = "";
                    break;
                case ScreenID.CONFIRM_PASSWORD_SCREEN_ID:
                    lbConfigName.Text = "Please input re-confirm password";
                    tbPassword.Text = "";
                    break;
                default:
                    lbConfigName.Text = "Please input password";
                    tbPassword.Text = "";
                    break;
            }
        }

        private void fmPassword_Load(object sender, EventArgs e)
        {
            lbSwVersion.Text = "Ver: " + ((fmBMSMain)(Owner)).AppName.Version.ToString();
        }
    }
}