using Aurora;
using Aurora.Api;
using VisionCommon;
using System;
using System.Reflection;

namespace MilPattern {
    /// <summary>
    /// 카메라 전용 패턴 에이전트 생성 및 등록
    /// </summary>
    public class CamPatternAgentFactory {
        private static Logger _logger = new Logger("CamPatternAgentFactory");
        private static IDisposable _EventDisposable;

        /// <summary>
        /// 카메라 전용 패턴 에이전트 생성 및 등록
        /// </summary>
        public static void Register() {
            try {
                SetObservable();
                SetPatternAgentManager();
            }
            catch (Exception e) {
                _logger.FuncE(e.Message);
            }
        }

        private static void SetObservable() {
            if (_EventDisposable == null) {
                var observable = VisionEventId.GetRecipeUpdateObservable();
                _EventDisposable = observable.Subscribe(_ => UpdatePatternAgentManager());
            }
        }

        private static void SetPatternAgentManager() {
            CamPatternAgentManager.Clear();

            foreach (var camId in VisionRecipeManager.GetCamIds()) {
                CreatePatternAgent(camId);
            }
        }

        private static void UpdatePatternAgentManager() {
            // 삭제된 에이전트 제거
            var newCamIds = VisionRecipeManager.GetCamIds();
            CamPatternAgentManager.DeleteUnusedAgent(newCamIds);

            foreach (var camId in newCamIds) {
                // 새로 생성된 에이전트 추가
                if (CamPatternAgentManager.IsNewCamId(camId)) {
                    CreatePatternAgent(camId);
                }
            }
        }

        private static void CreatePatternAgent(eCamId camId) {
            var patternAgent = new CamPatternAgent(camId);
            CamPatternAgentManager.SetAgent(camId, patternAgent);
        }
    }
}