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

namespace VisionCommon {
    /// <summary>
    /// 다른 디스플레이에서 동일 카메라 라이브 동작시, 버튼 UI Sync를 맞추기 위함.
    /// </summary>
    public class CamLiveBtnManager {
        private static Dictionary<eDisplayType, Dictionary<FovInfo, LiveBtns>> _DicLiveBtns =
            new Dictionary<eDisplayType, Dictionary<FovInfo, LiveBtns>>();

        public static void SetLiveBtnsForVisibility(eDisplayType displayType, FovInfo fovInfo, Button btnLiveStart, Button btnLiveStop) {
            if (!_DicLiveBtns.ContainsKey(displayType)) {
                _DicLiveBtns.Add(displayType, new Dictionary<FovInfo, LiveBtns>());
            }
            _DicLiveBtns[displayType][fovInfo] = new LiveBtns(btnLiveStart, btnLiveStop);
        }

        public static void SetVisibilityAsLiveStart(eDisplayType displayType, FovInfo fovInfo) {
            Application.Current.Dispatcher.BeginInvoke(
                new System.Action(() => {
                    var camRecipe = VisionRecipeManager.GetCamRecipe(fovInfo);

                    // 같은 CamId를 사용하는 디스플레이의 라이브 버튼 모두 끄기
                    foreach (Dictionary<FovInfo, LiveBtns> dicLiveBtns in _DicLiveBtns.Values) {
                        foreach (FovInfo curFovInfo in dicLiveBtns.Keys) {
                            var curCamRecipe = VisionRecipeManager.GetCamRecipe(curFovInfo);
                            if (curCamRecipe == null) {
                                continue;
                            }

                            if (camRecipe.CamId == curCamRecipe.CamId) {
                                LiveBtns liveBtns = dicLiveBtns[curFovInfo];
                                liveBtns.BtnLiveStart.Visibility = Visibility.Visible;
                                liveBtns.BtnLiveStop.Visibility = Visibility.Collapsed;
                            }
                        }
                    }

                    // 내 Fov를 사용하는 디스플레이만 라이브 버튼 켜기
                    if (_DicLiveBtns.ContainsKey(displayType)) {
                        if (_DicLiveBtns[displayType].ContainsKey(fovInfo)) {
                            LiveBtns liveBtns = _DicLiveBtns[displayType][fovInfo];
                            liveBtns.BtnLiveStart.Visibility = Visibility.Collapsed;
                            liveBtns.BtnLiveStop.Visibility = Visibility.Visible;
                        }
                    }
                }));
        }

        public static void SetVisibilityAsLiveStop(FovInfo fovInfo) {
            Application.Current.Dispatcher.BeginInvoke(
                new System.Action(() => {
                    var camRecipe = VisionRecipeManager.GetCamRecipe(fovInfo);

                    // 같은 CamId를 사용하는 디스플레이의 라이브 버튼 모두 끄기
                    foreach (Dictionary<FovInfo, LiveBtns> dicLiveBtns in _DicLiveBtns.Values) {
                        foreach (FovInfo key in dicLiveBtns.Keys) {
                            var curCamRecipe = VisionRecipeManager.GetCamRecipe(key);
                            if (curCamRecipe == null) {
                                continue;
                            }

                            if (camRecipe.CamId == curCamRecipe.CamId) {
                                LiveBtns liveBtns = dicLiveBtns[key];
                                liveBtns.BtnLiveStart.Visibility = Visibility.Visible;
                                liveBtns.BtnLiveStop.Visibility = Visibility.Collapsed;
                            }
                        }
                    }
                }));
        }
    }

    public class LiveBtns {
        public Button BtnLiveStart { get; set; }
        public Button BtnLiveStop { get; set; }

        public LiveBtns(Button btnLiveStart, Button btnLiveStop) {
            BtnLiveStart = btnLiveStart;
            BtnLiveStop = btnLiveStop;
        }
    }
}