using MeterVision.db;
using MeterVision.model;
using MeterVision.Util;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace MeterVision.Dlg
{
    /// <summary>
    /// EditSingleConfig.xaml 的交互逻辑
    /// </summary>
    public partial class EditSingleConfig : Window
    {
        public SingleDetailItem mDetailItem { get; private set; }
        private bool _can_mark;


        public EditSingleConfig(SingleDetailItem detailItem)
        {
            InitializeComponent();
            cmbMeterType.ItemsSource = StationItem.MeterTypeList;
            cmbFlowRate.ItemsSource = StationItem.FlowRateList;
            cmbLastUnit.ItemsSource = StationItem.UnitList;
            cmbNumCount.ItemsSource = StationItem.NumList;
            cmbIndCount.ItemsSource = StationItem.NumList;

            mDetailItem = detailItem;
            Init_Load(detailItem);

            if (File.Exists(detailItem.SrcImage))
            {
                ucMark.Visibility = Visibility.Visible;
                ucMark.SetImagePath(detailItem.SrcImage);
                ucMark.MeterRegion_MarkFinished += UcMark_MeterRegion_MarkFinished;
                ucMark.FeatureRegion_MarkFinished += UcMark_FeatureRegion_MarkFinished;
                _can_mark = true;
            }
            else
            {
                ucMark.Visibility = Visibility.Hidden;
                _can_mark = false;
            }

            if (_can_mark)
            {
                ucMark.MeterType = detailItem.MeterType;
            }

        }

        private void UcMark_FeatureRegion_MarkFinished(string regions, int meterType)
        {
            //throw new NotImplementedException();
            this.txtFeatureRegion.Text = regions;
        }

        private void UcMark_MeterRegion_MarkFinished(string regions, int meterType)
        {
            //throw new NotImplementedException();
            this.txtDialRegion.Text = regions;
        }

        private void Init_Load(SingleDetailItem detailItem)
        {
            this.ChangeInfoByMeterType(detailItem.MeterType);

            cmbMeterType.SelectedValue = detailItem.MeterType;
            cmbFlowRate.Text = detailItem.FlowRate.ToString();
            txtBrightVal.Text = detailItem.BrightVal.ToString();
            cmbNumCount.Text = detailItem.DigitCount == 0 ? "" : detailItem.DigitCount.ToString();
            cmbIndCount.Text = detailItem.PointerCount == 0 ? "" : detailItem.PointerCount.ToString();

            txtDialRegion.Text = detailItem.MeterRegion;
            cmbLastUnit.SelectedValue = detailItem.LastUnit;
            if (detailItem.MeterType == 1 || detailItem.MeterType == 3 || detailItem.MeterType == 2)
            {
                //cmbLastUnit.SelectedValue = double.Parse(detailItem.LastUnit);
                txtFeatureRegion.Text = detailItem.FeatureRegion;
            }

            txtLastValue.Text = detailItem.LastValue.ToString();
                //string.IsNullOrEmpty(detailItem.LastTime) ? "" : detailItem.LastValue.ToString();
            txtLastTime.Text = detailItem.LastTime;
        }

        private bool Get_Load()
        {
            bool trySuccess = false;

            int meterType = -1;
            if (cmbMeterType.SelectedItem != null)
            {
                meterType = (int)cmbMeterType.SelectedValue;
            }
            if (meterType == 0)
            {
                MessageBox.Show("请选择正确的表类型");
                return false;
            }


            int flowRate = -1;
            if (cmbFlowRate.SelectedItem != null)
            {
                flowRate = (int)cmbFlowRate.SelectedValue;
            }
            else
            {
                trySuccess = int.TryParse(cmbFlowRate.Text.Trim(), out flowRate);
            }
            if (flowRate == 0)
            {
                MessageBox.Show("请输入每小时最大流量");
                return false;
            }

            double brightVal = -1;
            trySuccess = double.TryParse(txtBrightVal.Text.Trim(), out brightVal);
            if (brightVal == 0)
            {
                brightVal = 1.2;
            }


            int numCount = -1;
            trySuccess = int.TryParse(cmbNumCount.Text.Trim(), out numCount);
            if ((meterType == 1 || meterType == 3) && numCount < 4)
            {
                MessageBox.Show("请输入正确的数字个数");
                return false;
            }

            int indCount = -1;
            trySuccess = int.TryParse(cmbIndCount.Text.Trim(), out indCount);
            if (meterType == 2 && indCount < 5)
            {
                MessageBox.Show("请输入正确的指针个数");
                return false;
            }

            double lastUnit = 0;
            if (cmbLastUnit.SelectedValue == null)
            {
                MessageBox.Show("请选择尾数单位");
                return false;
            }
            lastUnit = (double)cmbLastUnit.SelectedValue;



            string dialRegion = txtDialRegion.Text.Trim();
            if (string.IsNullOrEmpty(dialRegion))
            {
                MessageBox.Show("请输入表盘坐标");
                return false;
            }

            string featureRegion = txtFeatureRegion.Text.Trim();
            if ((meterType == 1 || meterType == 3) && string.IsNullOrEmpty(featureRegion))
            {
                MessageBox.Show("请输入数字区域 \\ 首位指针坐标");
                return false;
            }

            double lastValue;
            trySuccess = double.TryParse(txtLastValue.Text.Trim(), out lastValue);

            string lastTime = txtLastTime.Text.Trim();

            mDetailItem .MeterType = meterType;
            mDetailItem.FlowRate = flowRate;
            mDetailItem.BrightVal = brightVal;
            mDetailItem.DigitCount = numCount;
            mDetailItem.PointerCount = indCount;
            mDetailItem.LastUnit = 0;
            mDetailItem.FeatureRegion = "";
            if (meterType == 1 || meterType == 3 || meterType == 2)
            {
                mDetailItem.LastUnit = lastUnit;
                mDetailItem.FeatureRegion = featureRegion;
            }

            mDetailItem.MeterRegion = dialRegion;
            mDetailItem.LastValue = lastValue;

            if (string.IsNullOrEmpty(lastTime))
            {
                lastTime = DateTime.Now.ToString("yyyyMMddHHmmss");
            }

            mDetailItem.LastTime = lastTime;

            return true;
        }

        private void BtnOK_Click(object sender, RoutedEventArgs e)
        {
            bool blGet = Get_Load();
            if (!blGet)
            {
                return;
            }

            TSingleDetail singleDetail = new TSingleDetail();
            ObjectHelper.CopyMatchingFields(mDetailItem,singleDetail);

            try
            {
                bool updateSuccess = DBSingle.UpdateSingleDetailByConfig(singleDetail);
                if (updateSuccess)
                {
                    DialogResult = true;
                }
                else
                {
                    MessageBox.Show(Application.Current.MainWindow, "修改失败", "错误",
                        MessageBoxButton.OK, MessageBoxImage.Error);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(Application.Current.MainWindow, $"{ex.Message}", "错误",
                    MessageBoxButton.OK, MessageBoxImage.Error);
            }

        }

        private void BtnClose_Click(object sender, RoutedEventArgs e)
        {
            DialogResult = false;
            this.Close();
        }

        private void CmbMeterType_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            int meterType = -1; //= int.Parse(cmbMeterType.SelectedValue.ToString());
                                //((KeyValuePair<int, string>)cmbMeterType.SelectedItem).Key;
                                //int.TryParse(cmbMeterType.SelectedValue.ToString(),out meterType);
            if (cmbMeterType.SelectedValue != null)
            {
                meterType = (int)cmbMeterType.SelectedValue;
            }
            this.ChangeInfoByMeterType(meterType);

            //改变仪表的类型
            ucMark.MeterType = meterType;
        }

        private void ChangeInfoByMeterType(int meterType)
        {
            if (meterType == 1 || meterType == 3)
            {
                txtLastUnitTitle.Text = "最后一位数字的单位:";
                txtFeatureRegionTitle.Text = "数字区域坐标:";
                if (meterType == 1)
                {
                    grdIndCount.Width = new GridLength(1, GridUnitType.Star);
                    grdNumCount.Width = new GridLength(1, GridUnitType.Star);
                }
                else
                {
                    grdIndCount.Width = new GridLength(0, GridUnitType.Pixel);
                    grdNumCount.Width = new GridLength(1, GridUnitType.Star);
                }
            }
            else if (meterType == 2)
            {
                txtLastUnitTitle.Text = "最后一个指针的单位:";
                txtFeatureRegionTitle.Text = "首位指针同刻度坐标:";
                grdNumCount.Width = new GridLength(0, GridUnitType.Pixel);
                grdIndCount.Width = new GridLength(1, GridUnitType.Star);
            }
        }

        private void CmbFlowRate_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {

        }

        private void CmbFlowRate_PreviewTextInput(object sender, TextCompositionEventArgs e)
        {
            // 只允许数字输入
            e.Handled = !Regex.IsMatch(e.Text, @"^\d$");
        }


        private void TextBox_PreviewTextInput(object sender, TextCompositionEventArgs e)
        {
            // 如果输入法启用（例如中文输入法），则阻止输入
            //if (InputMethod.GetIsInputMethodEnabled)
            //{
            //    e.Handled = true;
            //    return;
            //}

            // 只允许数字输入
            //e.Handled = !Regex.IsMatch(e.Text, @"^\d$");
            // 判断当前输入的字符是否是数字
            if (e.Text.All(char.IsDigit))
            {
                e.Handled = false;  // 如果是数字，允许输入
            }
            else
            {
                // 如果当前输入的字符不是数字，并且是中文输入法的拼音或候选字，禁止输入
                e.Handled = true;
            }
        }

        private void BtnWholeMeter_Click(object sender, RoutedEventArgs e)
        {
            txtDialRegion.Text = "0,0 319,239";
        }
        //---------------------------------------------------
    }
}