/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using System.Collections.Generic;
using System.Linq;

namespace VisionCommon {
    public static class PatternAgentManager {
        private static object _lock = new object();
        public static Dictionary<FovInfo, PatternAgentBase> _PatternAgents = new Dictionary<FovInfo, PatternAgentBase>();

        public static void SetAgent(FovInfo fovInfo, PatternAgentBase patternAgent) {
            lock (_lock) {
                if (!_PatternAgents.ContainsKey(fovInfo)) {
                    _PatternAgents.Add(fovInfo, patternAgent);
                }
            }
        }

        public static PatternAgentBase GetAgent(FovInfo fovInfo) {
            lock (_lock) {
                if (_PatternAgents.ContainsKey(fovInfo)) {
                    return _PatternAgents[fovInfo];
                }
            }
            return null;
        }

        public static Dictionary<FovInfo, PatternAgentBase> GetAgents() {
            lock (_lock) {
                return _PatternAgents;
            }
        }

        public static void DeleteUnusedAgent(List<FovInfo> newFovInfos) {
            lock (_lock) {
                foreach (FovInfo oldFovInfo in _PatternAgents.Keys.ToList()) {
                    if (!newFovInfos.Contains(oldFovInfo)) {
                        if (_PatternAgents.ContainsKey(oldFovInfo)) {
                            _PatternAgents[oldFovInfo].Dispose();
                            _PatternAgents.Remove(oldFovInfo);
                        }
                    }
                }
            }
        }

        public static bool IsNewSubSysInfo(FovInfo fovInfo) {
            lock (_lock) {
                if (!_PatternAgents.ContainsKey(fovInfo)) {
                    return true;
                }
                else {
                    return false;
                }
            }
        }

        public static void Clear() {
            lock (_lock) {
                _PatternAgents.Clear();
            }
        }
    }
}