/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using Aurora;
using Aurora.Api;
using VisionCommon;
using System;
using System.Reflection;

namespace CogPattern {
    /// <summary>
    /// Cognex 패턴 에이전트 생성 및 등록 관리
    /// </summary>
    public class CogPatternAgentFactory {
        private static Logger _logger = new Logger(typeof(CogPatternAgentFactory).Name);
        private static IDisposable _EventDisposable;

        /// <summary>
        /// 패턴 에이전트 생성 및 등록
        /// </summary>
        public static void Register() {
            try {
                VersionChecker.Print(Assembly.GetExecutingAssembly().GetName());
                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() {
            PatternAgentManager.Clear();

            foreach (var unitId in VisionRecipeManager.GetUnitIds()) {
                foreach (var subSysInfo in VisionRecipeManager.GetSubSysInfos(unitId)) {
                    foreach (var fovInfo in VisionRecipeManager.GetFovInfos(subSysInfo)) {
                        CreatePatternAgent(fovInfo);
                    }
                }
            }
        }

        private static void UpdatePatternAgentManager() {
            // 삭제된 에이전트 제거
            PatternAgentManager.DeleteUnusedAgent(VisionRecipeManager.GetFovInfos());

            foreach (var newUnitId in VisionRecipeManager.GetUnitIds()) {
                var newSubSysInfos = VisionRecipeManager.GetSubSysInfos(newUnitId);

                foreach (var newSubSysInfo in newSubSysInfos) {
                    var newFovInfos = VisionRecipeManager.GetFovInfos(newSubSysInfo);

                    foreach (var newFovInfo in newFovInfos) {
                        // 새로 생성된 에이전트 추가
                        if (PatternAgentManager.IsNewSubSysInfo(newFovInfo)) {
                            CreatePatternAgent(newFovInfo);
                        }
                    }
                }
            }
        }

        private static void CreatePatternAgent(FovInfo fovInfo) {
            var patternAgent = new CogPatternAgent(fovInfo);
            PatternAgentManager.SetAgent(fovInfo, patternAgent);
        }
    }
}