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

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

        /// <summary>
        /// FOV 전용 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() {
            FovPatternAgentManager.Clear();

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

        private static void UpdatePatternAgentManager() {
            // 삭제된 에이전트 제거
            FovPatternAgentManager.DeleteUnusedAgent(VisionRecipeManager.GetSubSysInfos());

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

                foreach (var subSysInfo in newSubSysInfos) {
                    // 새로 생성된 에이전트 추가
                    if (FovPatternAgentManager.IsNewSubSysInfo(subSysInfo)) {
                        CreatePatternAgent(subSysInfo);
                    }
                }
            }
        }

        private static void CreatePatternAgent(SubSysInfo subSysInfo) {
            var patternAgent = new FovPatternAgent(subSysInfo);
            FovPatternAgentManager.SetAgent(subSysInfo, patternAgent);
        }
    }
}