using UnityEngine;
using AibisDream.FixSystem;
using System.Collections.Generic;

namespace AibisDream
{
    public class ExpressionCableSystem : MonoBehaviour
    {
        [Header("电源子模块")]
        public ExpressionPowerSource powerSource;

        private ExpressionManager _expressionManager;
        private ExpressionSubSystem[] _expressionSubSystems;
        private const float MAX_DISTANCE = 1f; // 最大检测距离

        private void Awake()
        {
            // 自动查找所有子物体中的表达子模块
            _expressionSubSystems = GetComponentsInChildren<ExpressionSubSystem>();
        }

        private void Start()
        {
            _expressionManager = transform.parent.transform.parent.GetComponent<ExpressionManager>();
            InitializeSystem();
        }

        private void InitializeSystem()
        {
            // 初始化表达子模块
            foreach (var subSystem in _expressionSubSystems)
            {
                subSystem.Initialize(this);
            }
        }

        // 当插头插入插槽时调用
        public void OnPlugInserted(int subSystemIndex, int socketIndex)
        {
            _expressionManager.AdjustValue(subSystemIndex, 1);
        }

        // 当插头拔出插槽时调用
        public void OnPlugRemoved(int subSystemIndex, int socketIndex)
        {
            _expressionManager.AdjustValue(subSystemIndex, -1);
        }

        public void Reset()
        {
            powerSource.Reset();
            foreach (var subSystem in _expressionSubSystems)
            {
                subSystem.Reset();
            }
        }

        public bool TryFindClosestSocket(Vector3 sourcePos, out ISocket targetSocket)
        {
            targetSocket = null;
            float minDistance = MAX_DISTANCE;
            
            // 遍历所有子模块
            foreach (var subSystem in _expressionSubSystems)
            {
                // 遍历子模块中的所有插槽
                foreach (var socket in subSystem.GetSockets())
                {
                    if (!socket.IsAvailable()) continue;

                    float distance = Vector3.Distance(sourcePos, socket.GetSocketPos());
                    if (distance < minDistance)
                    {
                        minDistance = distance;
                        targetSocket = socket;
                    }
                }
            }

            return targetSocket != null;
        }
    }
}