using Aurora;
using Aurora.Api;
using VisionCommon;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Linq;
using System.Threading.Tasks;
using VisionSequence.Pattern;

namespace VisionUI.Pattern {
    /// <summary>
    /// 강제 OK 핸들러
    /// </summary>
    public static class ForceOkHandler {
        private static object _lock = new object();
        private static Logger _logger = new Logger(typeof(ForceOkHandler).Name);
        private static Dictionary<FovInfo, IDisposable> _forceOkHandlers = new Dictionary<FovInfo, IDisposable>();
        /// <summary>
        /// 핸들러 추가
        /// </summary>
        /// <param name="fovInfo">핸들러 사전 키 (Fov 정보)</param>
        public static void SetHandler(FovInfo fovInfo) {
            lock (_lock) {
                if (!_forceOkHandlers.ContainsKey(fovInfo)) {
                    _forceOkHandlers.Add(fovInfo, CreateHandler(fovInfo));
                }
            }
        }

        private static IDisposable CreateHandler(FovInfo fovInfo) {
            return VisionEnv.AuroraEnv.EventObservable.AsObservable(VisionEventId.PATTERN_FORCE_OK_REQUEST)
                .Where(x => x.From == fovInfo.GetKey())
                .Subscribe(em => DoEvent(em));
        }

        private static void DoEvent(EventMessage em) {
            _logger.FuncI();

            Task.Run(() => {
                lock (_lock) {
                    var forceOkReqParam = em.Param as ForceOkReqParam;
                    forceOkReqParam.PatternResult = ForceOkWindow.Show(
                        forceOkReqParam.FovInfo,
                        forceOkReqParam.PatternIndex,
                        forceOkReqParam.FindImage,
                        forceOkReqParam.PatternResult);
                    forceOkReqParam.IsDone = true;
                }
            });
        }
    }
}