using System;
using System.Windows.Forms;

namespace FileWatcher
{
    public partial class AutoSMTRXYSetting : Form
    {
        /// <summary>
        /// 设置参数解锁密码
        /// </summary>
        private const string SettingPassword = "1234";

        /// <summary>
        /// 是否已通过密码解锁
        /// </summary>
        private bool UnLocked = false;

        public AutoSMTRXYSetting()
        {
            InitializeComponent();
            StartPosition = FormStartPosition.CenterScreen;
        }

        private void AutoSMTRXYSetting_Load(object sender, EventArgs e)
        {
            ComPort.Text = GetCacheString("ComPort");
            BaudRate.Text = GetCacheString("BaudRate");
            Read.Text = GetCacheString("Read");
            Write.Text = GetCacheString("Write");
            Stop.Text = GetCacheString("Stop");
            ToZero.Text = GetCacheString("ToZero");
            UseScan.Text = GetCacheString("UseScan");
            CountType.Text = GetCacheString("CountType");
            if (BaudRate.Text == "")
            {
                BaudRate.Text = "9600";
            }
            if (CountType.Text == "")
            {
                CountType.Text = "PLC";
            }
            LockControls();
        }

        private string GetCacheString(string ParamName)
        {
            object value = BaseUtil.GetCacheData(ParamName);
            return value == null ? "" : value.ToString();
        }

        /// <summary>
        /// 锁定设置项（未输入密码前不可编辑）
        /// </summary>
        private void LockControls()
        {
            UnLocked = false;
            ComPort.Enabled = false;
            BaudRate.Enabled = false;
            Read.Enabled = false;
            Write.Enabled = false;
            Stop.Enabled = false;
            ToZero.Enabled = false;
            UseScan.Enabled = false;
            CountType.Enabled = false;
            Password.Text = "";
            Confirm.Text = "确定";
        }

        /// <summary>
        /// 密码正确后解锁设置项
        /// </summary>
        private void UnLockControls()
        {
            UnLocked = true;
            ComPort.Enabled = true;
            BaudRate.Enabled = true;
            Read.Enabled = true;
            Write.Enabled = true;
            Stop.Enabled = true;
            ToZero.Enabled = true;
            UseScan.Enabled = true;
            CountType.Enabled = true;
            Password.Text = "";
            Confirm.Text = "保存";
        }

        private void Confirm_Click(object sender, EventArgs e)
        {
            if (!UnLocked)
            {
                //未解锁时先校验密码
                if (Password.Text == SettingPassword)
                {
                    UnLockControls();
                }
                else
                {
                    MessageBox.Show(this, "密码不对", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                }
                return;
            }
            //解锁状态下点击则保存并关闭
            BaseUtil.SetCacheData("ComPort", ComPort.Text);
            BaseUtil.SetCacheData("BaudRate", BaudRate.Text);
            BaseUtil.SetCacheData("Read", Read.Text);
            BaseUtil.SetCacheData("Write", Write.Text);
            BaseUtil.SetCacheData("Stop", Stop.Text);
            BaseUtil.SetCacheData("ToZero", ToZero.Text);
            BaseUtil.SetCacheData("UseScan", UseScan.Text);
            BaseUtil.SetCacheData("CountType", CountType.Text);
            MessageBox.Show(this, "保存成功", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            DialogResult = DialogResult.OK;
            Close();
        }

        private void Cancel_Click(object sender, EventArgs e)
        {
            Close();
        }
    }
}