using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Imaging;

namespace AutoFocusTool
{
    /// <summary>
    /// 自动标定独立窗口：4x4 显示16个well，标定完一个就在对应格显示该well照片，
    /// 顶部大字提示"正在标定第几个well"，底部显示当前实时画面+参数。可全屏。
    /// </summary>
    public partial class CalibWindow : Window
    {
        public event Action StopRequested;

        private readonly Border[] _cells = new Border[17];   // 1-16
        private readonly Image[] _cellImgs = new Image[17];
        private readonly TextBlock[] _cellCaps = new TextBlock[17];
        private int _activeWell = 0;   // 当前正在标定的well，实时帧画到这一格

        public CalibWindow()
        {
            InitializeComponent();
            BuildGrid();
        }

        private void BuildGrid()
        {
            for (int i = 1; i <= 16; i++)
            {
                var img = new Image { Stretch = Stretch.Uniform };
                var cap = new TextBlock
                {
                    Text = $"well {i}",
                    Foreground = Brushes.White,
                    HorizontalAlignment = HorizontalAlignment.Center,
                    TextAlignment = TextAlignment.Center,
                    TextWrapping = TextWrapping.Wrap,
                    FontSize = 15,
                    FontWeight = FontWeights.Bold
                };
                var grid = new Grid();
                grid.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Star) });
                grid.RowDefinitions.Add(new RowDefinition { Height = GridLength.Auto });
                Grid.SetRow(img, 0); Grid.SetRow(cap, 1);
                grid.Children.Add(img); grid.Children.Add(cap);

                var cell = new Border
                {
                    BorderBrush = new SolidColorBrush(Color.FromRgb(0x55, 0x55, 0x55)),
                    BorderThickness = new Thickness(1),
                    Margin = new Thickness(3),
                    Background = new SolidColorBrush(Color.FromRgb(0x1A, 0x1A, 0x1A)),
                    Child = grid
                };
                _cells[i] = cell; _cellImgs[i] = img; _cellCaps[i] = cap;
                WellGrid.Children.Add(cell);
            }
        }

        /// <summary>顶部大进度提示。</summary>
        public void SetProgress(string big, string sub = "")
        {
            Dispatcher.Invoke(() => { TxtBigProgress.Text = big; if (sub != null) TxtSubProgress.Text = sub; });
        }

        /// <summary>实时画面：直接画到当前正在标定的well格子里。</summary>
        public void SetCurrentFrame(BitmapSource bmp)
        {
            Dispatcher.Invoke(() =>
            {
                if (_activeWell >= 1 && _activeWell <= 16)
                    _cellImgs[_activeWell].Source = bmp;
            });
        }

        /// <summary>底部当前参数/步骤文字，同时显示在当前活动well格标题上(大字)。</summary>
        public void SetCurrentInfo(string param, string step)
        {
            Dispatcher.Invoke(() =>
            {
                if (param != null) TxtCurParams.Text = param;
                if (step != null) TxtCurStep.Text = step;
                // 当前well格标题实时显示步骤+参数
                if (_activeWell >= 1 && _activeWell <= 16)
                {
                    _cellCaps[_activeWell].Text = $"well {_activeWell} 标定中\n{step}\n{param}";
                    _cellCaps[_activeWell].Foreground = Brushes.Yellow;
                }
            });
        }

        /// <summary>高亮"正在标定"的well格(黄框)。</summary>
        public void MarkActive(int well)
        {
            _activeWell = well;
            Dispatcher.Invoke(() =>
            {
                for (int i = 1; i <= 16; i++)
                    _cells[i].BorderBrush = new SolidColorBrush(Color.FromRgb(0x55, 0x55, 0x55));
                if (well >= 1 && well <= 16)
                {
                    _cells[well].BorderBrush = Brushes.Orange;
                    _cells[well].BorderThickness = new Thickness(3);
                    _cellCaps[well].Text = $"well {well} 标定中...";
                }
            });
        }

        /// <summary>某well标定完成，显示其照片+结果。</summary>
        public void SetWellResult(int well, BitmapSource bmp, string caption, bool ok)
        {
            Dispatcher.Invoke(() =>
            {
                if (well < 1 || well > 16) return;
                _cellImgs[well].Source = bmp;
                _cellCaps[well].Text = caption;
                _cellCaps[well].Foreground = ok ? Brushes.LightGreen : Brushes.Orange;
                _cells[well].BorderBrush = ok ? Brushes.LimeGreen : Brushes.Orange;
                _cells[well].BorderThickness = new Thickness(2);
            });
        }

        private void BtnCalStop_Click(object sender, RoutedEventArgs e)
        {
            StopRequested?.Invoke();
            TxtBigProgress.Text = "已请求停止...";
        }
    }
}