using VisionCommon;
using System.Windows;
using System.Windows.Controls;

namespace MilUI {
    /// <summary>
    /// Interaction logic for OcrSettingWindow.xaml
    /// </summary>
    public partial class OcrSettingWindow : Window, IPatternSettingWindow {
        public string WINDOW_TITLE => "OCR Setting";

        private PatternAgentBase _patternAgent;
        private PatternInfo _patternInfo;
        private CameraDisplay _milCameraDisplay;
        private FovInfo _fovInfo;

        public OcrSettingWindow(
            PatternAgentBase patternAgent, PatternInfo patternInfo,
            ICameraDisplay cameraDisplay,
            FovInfo fovInfo,
            bool isSubPatternSupport = true) {
            InitializeComponent();

            _patternAgent = patternAgent;
            _patternInfo = patternInfo;
            _milCameraDisplay = (CameraDisplay)cameraDisplay;
            _fovInfo = fovInfo;

            SetTitle();
            CreateView(isSubPatternSupport);
        }

        private void CreateView(bool isSubPatternSupport) {
            if (isSubPatternSupport) {
                CreateSubPatternView();
            }
            else {
                CreateSinglePatternView();
            }
        }

        private void CreateSinglePatternView() {
            var grid = new Grid();
            var strSettingView = new OcrSettingView() {
                DataContext = new OcrSettingViewModel(_patternAgent, _patternInfo, _milCameraDisplay, _fovInfo)
            };
            grid.Children.Add(strSettingView);
            ocrSettingScrollViewer.Content = grid;
        }

        private void CreateSubPatternView() {
            var subPatternTabControl = new TabControl();
            subPatternTabControl.Style = FindResource("styleSubPatternTabControl") as Style;

            AddMainPatternTabControl(subPatternTabControl);
            AddSubPatternTabControl(subPatternTabControl);

            ocrSettingScrollViewer.Content = subPatternTabControl;
        }

        private void AddMainPatternTabControl(TabControl subPatternTabControl) {
            AddPatternTabControl(subPatternTabControl, _patternAgent, _patternInfo, _milCameraDisplay, _fovInfo);
        }

        private void AddSubPatternTabControl(TabControl subPatternTabControl) {
            for (int i = PatternConstants.MAIN_PATTERN_INDEX + 1; i < PatternConstants.SUB_PATTERN_COUNT; i++) {
                PatternInfo subPatternInfo;
                var subPatternIndex = PatternAgentBase.GetSubPatternIndex(_patternInfo, i);
                if (_patternAgent.IsPatternExist(subPatternIndex)) {
                    subPatternInfo = _patternAgent.GetPatternInfo(subPatternIndex);
                }
                else {
                    subPatternInfo = _patternInfo.Clone() as PatternInfo;
                    subPatternInfo.SetPatternSubId(i);
                    subPatternInfo.Description += string.Format($"_{i}");
                }

                AddPatternTabControl(subPatternTabControl, _patternAgent, subPatternInfo, _milCameraDisplay, _fovInfo);
            }
        }

        private void AddPatternTabControl(
            TabControl subPatternTabControl,
            PatternAgentBase patternAgent, PatternInfo patternInfo,
            CameraDisplay milCameraDisplay,
            FovInfo fovInfo) {
            var strSettingView = new OcrSettingView() {
                DataContext = new OcrSettingViewModel(patternAgent, patternInfo, milCameraDisplay, fovInfo)
            };

            var subPatternTabItem = new TabItem() {
                Header = patternInfo.GetPatternSubId().ToString(),
                Content = strSettingView
            };
            subPatternTabItem.Style = FindResource("styleSubMenuRootTabItem") as Style;
            subPatternTabControl.Items.Add(subPatternTabItem);
        }

        public void SetTitle() {
            Title = WINDOW_TITLE;
        }

        public void ResetPosition() {
            Left = WindowUtil.GetLeftWithRatioOnMainWindow(0.6);
            Top = WindowUtil.GetTopWithRatioOnMainWindow(0.1);
        }
    }
}