using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using static UnityEditor.Experimental.GraphView.GraphView;
using static UnityEngine.GraphicsBuffer;

public class UseObjects : MonoBehaviour
{
    private Transform parentObject; // 父物体（包含所有子物体）
    private GameObject player;//玩家   
    public JSONReader js;
    //警戒物品使用
    public GameObject warningPrefab;    // 警戒锥道具模型
    public GameObject polePrefab;       // 警戒杆道具模型
    public GameObject tapePrefab;       // 隔离警示带模型
    public float maxDistance = 10f;     // 最大直接距离10米
    public bool hasTape = false;        // 是否携带隔离警示带
    private List<GameObject> warningObjects = new List<GameObject>(); // 存储所有警戒类道具
    //物品交付
    public List<GameObject> potentialTargets; // 所有可能成为交付对象的目标列表
    public Button deliverButton;              // 交付按钮
    public float deliveryRange = 1f;           // 交付范围半径
    private GameObject currentTarget;         // 当前最近的交付目标
    private bool islogistics;//角色是否为后勤保障组;
    private bool isdelivery;//是否开启交付
    [System.Serializable]
    public class EmergencyItem
    {
        public string itemName;     // 道具名称
        public bool isConsumable;   // 是否消耗品 (1=是，0=否)
        public int validTime;       // 有效时间：-1（无限），0 或正数（有限时间）
    }

    // 模拟物品的字段配置
    public Dictionary<string, EmergencyItem> itemConfigs = new Dictionary<string, EmergencyItem>();

    void Start()
    {
        parentObject = GameObject.Find("fireEquip").transform;
        player=GameObject.FindGameObjectWithTag("Player");
        // 初始化模拟物品数据
        InitializeItemConfigs(3001);
        // 隐藏交付按钮
        deliverButton.gameObject.SetActive(false);
        deliverButton.onClick.AddListener(HandleDelivery);

        // 为每个子物体添加点击事件
        foreach (Transform child in parentObject)
        {
            Button childButton = child.GetComponent<Button>();
            if (childButton == null)
            {
                Debug.LogWarning($"子物体 {child.name} 缺少 Button 组件！");
                continue;
            }
            // 初始化子物体状态
            Transform buttonPanel = child.Find("informationImage");
            Transform highlight = child.Find("Image");
            if (buttonPanel != null) buttonPanel.gameObject.SetActive(false);
            if (highlight != null) highlight.gameObject.SetActive(false);

            // 绑定点击事件
            childButton.onClick.AddListener(() => OnChildClicked(child.gameObject));
        }
        // 获取所有标签为 "People" 的物体
        GameObject[] playNPC = GameObject.FindGameObjectsWithTag("People");
        // 遍历每个人,将其存入一个链表
        foreach (GameObject player in playNPC)
        {
            potentialTargets.Add(player.gameObject);
        }
        UseCautionaryitems(player.transform.position, polePrefab);
    }
    private void Update()
    {
        // 在范围内查找最近的交付目标
        currentTarget = FindNearestTarget();
        if (currentTarget != null)
        {
            // 显示交付按钮并高亮目标
            HighlightTarget(currentTarget, true);
            deliverButton.gameObject.SetActive(true);
        }
        else
        {
            // 隐藏交付按钮并取消高亮
            if (currentTarget != null)
            {
                HighlightTarget(currentTarget, false);
            }
            deliverButton.gameObject.SetActive(false);
        }
    }
    // 初始化模拟物品数据
    void InitializeItemConfigs(int id)
    {
        itemConfigs.Add("1", new EmergencyItem { itemName = "1", isConsumable = true, validTime = -1 });
        itemConfigs.Add("2", new EmergencyItem { itemName = "2", isConsumable = true, validTime = 30 });
        itemConfigs.Add("3", new EmergencyItem { itemName = "3", isConsumable = false, validTime = 15 });

        itemConfigs.Add("4", new EmergencyItem { itemName = "4", isConsumable = true, validTime = -1 });
        itemConfigs.Add("5", new EmergencyItem { itemName = "5", isConsumable = true, validTime = 30 });
        itemConfigs.Add("6", new EmergencyItem { itemName = "6", isConsumable = false, validTime = 15 });
        // 添加更多物品配置...
        foreach (var key in js.matialDictionary)
        {
            MatialData matialData = key.Value;
            if (matialData.ID==id)
            {
                //获取物品数据
               
            }
        }
    }

    // 当子物体被点击时
    void OnChildClicked(GameObject clickedChild)
    {
        // 隐藏其他子物体的按钮板和高光框
        foreach (Transform child in parentObject)
        {
            Transform buttonPanel = child.Find("informationImage");
            Transform highlight = child.Find("Image");
            if (buttonPanel != null) buttonPanel.gameObject.SetActive(false);
            if (highlight != null) highlight.gameObject.SetActive(false);
        }

        // 获取当前点击的子物体名称
        string itemName = clickedChild.name;
        Debug.Log(itemName);
        if (!itemConfigs.ContainsKey(itemName))
        {
            Debug.LogWarning($"未找到物品 {itemName} 的配置！");
            return;
        }

        // 根据配置判断显示按钮
        EmergencyItem item = itemConfigs[itemName];
        Transform clickedButtonPanel = clickedChild.transform.Find("informationImage");
        Transform clickedHighlight = clickedChild.transform.Find("Image");

        if (clickedButtonPanel != null)
        {
            //clickedButtonPanel.gameObject.SetActive(true);
            // 显示对应的按钮
            UpdateButtonPanel(clickedButtonPanel, item);
            
        }

        // 显示当前子物体的高光框
        if (clickedHighlight != null)
        {
            clickedHighlight.gameObject.SetActive(true);
        }
    }

    // 根据物品配置更新按钮面板
    void UpdateButtonPanel(Transform buttonPanel, EmergencyItem item)
    {
        // 获取按钮
        Button viewButton = buttonPanel.Find("LookButton").GetComponent<Button>();
        Button useButton = buttonPanel.Find("UseButton").GetComponent<Button>();
        Button discardButton = buttonPanel.Find("ThrowButton").GetComponent<Button>();

        // 按规则显示或隐藏按钮
        if (item.isConsumable && item.validTime == -1)
        {
            // 规则1：直接使用，不弹出按钮
            buttonPanel.gameObject.SetActive(false);
            UseItem(item);
        }
        else if (item.isConsumable && item.validTime >= 0)
        {
            buttonPanel.gameObject.SetActive(true);
            // 规则2：弹出【查看】【使用】【丢弃】
            viewButton.gameObject.SetActive(true);
            useButton.gameObject.SetActive(true);
            discardButton.gameObject.SetActive(true);

            // 绑定事件
            viewButton.onClick.AddListener(() => ViewItem(item));
            useButton.onClick.AddListener(() => UseItem(item));
            discardButton.onClick.AddListener(() => DiscardItem(item));
        }
        else if (!item.isConsumable && item.validTime >= 0)
        {
            buttonPanel.gameObject.SetActive(true);
            // 规则3：弹出【查看】【丢弃】
            viewButton.gameObject.SetActive(true);
            useButton.gameObject.SetActive(false);
            discardButton.gameObject.SetActive(true);

            // 绑定事件
            viewButton.onClick.AddListener(() => ViewItem(item));
            discardButton.onClick.AddListener(() => DiscardItem(item));
        }
    }

    // 查看物品逻辑
    void ViewItem(EmergencyItem item)
    {
        Debug.Log($"查看物品：{item.itemName}");
    }

    // 使用物品逻辑
    void UseItem(EmergencyItem item)
    {
        Debug.Log($"使用物品：{item.itemName}");
    }

    // 丢弃物品逻辑
    void DiscardItem(EmergencyItem item)
    {
        Debug.Log($"丢弃物品：{item.itemName}");
    }
    //使用警戒物品
    void UseCautionaryitems(Vector3 playerPosition,GameObject gameObject)
    {
        // 生成警戒类道具(警戒杆,警戒锥)
        GameObject newWarning = Instantiate(gameObject, playerPosition, Quaternion.identity);
        warningObjects.Add(newWarning);

        // 判断当前位置是否距离其他警戒类道具10米以内
        GameObject nearestWarning = FindNearestWarning(newWarning);
        if (nearestWarning != null)
        {
            if (hasTape)
            {
                // 如果携带隔离警示带，连接到最近的警戒类道具
                CreateTape(newWarning, nearestWarning);
            }
            else
            {
                // 不携带隔离警示带，无连接显示，但有效性记录
                Debug.Log("未携带隔离警示带，未连接警戒道具！");
            }
        }
        else
        {
            Debug.Log("当前位置周围10米范围内没有其他警戒类道具！");
        }
    }
    // 找到距离最近的警戒类道具
    private GameObject FindNearestWarning(GameObject currentWarning)
    {
        GameObject nearest = null;
        float minDistance = maxDistance;

        foreach (GameObject warning in warningObjects)
        {
            if (warning == currentWarning) continue; // 跳过当前道具

            float distance = Vector3.Distance(currentWarning.transform.position, warning.transform.position);
            if (distance < minDistance)
            {
                minDistance = distance;
                nearest = warning;
            }
        }
        return nearest;
    }

    // 生成隔离警示带
    private void CreateTape(GameObject start, GameObject end)
    {
        // 生成隔离警示带
        GameObject tape = Instantiate(tapePrefab);

        // 设置隔离警示带的起点和终点
        LineRenderer lineRenderer = tape.GetComponent<LineRenderer>();
        if (lineRenderer != null)
        {
            lineRenderer.positionCount = 2;
            lineRenderer.SetPosition(0, start.transform.position);
            lineRenderer.SetPosition(1, end.transform.position);
        }

        Debug.Log($"已连接警戒类道具：{start.name} -> {end.name}");
    }
    // 交付逻辑中查找范围内最近的目标
    GameObject FindNearestTarget()
    {
        GameObject nearestTarget = null;
        float nearestDistance = deliveryRange;

        foreach (var target in potentialTargets)
        {
            float distance = Vector3.Distance(player.transform.position, target.transform.position);
            if (distance <= deliveryRange && IsInFront(target))
            {
                nearestTarget = target;
                nearestDistance = distance;
            }
        }
        return nearestTarget;
    }
    // 判断目标是否在角色正面 180 度内
    bool IsInFront(GameObject target)
    {
        Vector3 directionToTarget = (target.transform.position - player.transform.position).normalized;
        float dotProduct = Vector3.Dot(player.transform.forward, directionToTarget);
        return dotProduct > 0; // 在正面 180 度内
    }
    // 高亮目标（例如显示边缘发光效果）
    void HighlightTarget(GameObject target, bool highlight)
    {
        Renderer renderer = target.GetComponent<Renderer>();
        if (renderer != null)
        {
            // 设置高亮效果，比如更改材质或颜色
            renderer.material.SetColor("_EmissionColor", highlight ? Color.green : Color.black);
        }
    }
    // 处理交付逻辑
    void HandleDelivery()
    {
        if (currentTarget == null)
        {
            Debug.LogWarning("没有可交付的目标！");
            return;
        }

        // 检查目标职业是否符合条件
        TargetData targetData = currentTarget.GetComponent<TargetData>();
        if (targetData == null || targetData.weightCapacity == -1)
        {
            Debug.LogWarning("目标不满足交付条件！");
            return;
        }

        // 执行交付逻辑：减少玩家道具数量，增加目标道具数量
        PlayerInventory playerInventory = player.GetComponent<PlayerInventory>();
        if (playerInventory != null && playerInventory.UseItem("SelectedItem"))
        {
            targetData.ReceiveItem("SelectedItem");
            Debug.Log($"成功交付道具给目标：{currentTarget.name}");
        }
        else
        {
            Debug.LogWarning("玩家道具不足，无法交付！");
        }
    }
}
// 目标数据类
public class TargetData : MonoBehaviour
{
    public int weightCapacity = 10; // 负重能力值
    private Dictionary<string, int> receivedItems = new Dictionary<string, int>();

    public void ReceiveItem(string itemName)
    {
        if (receivedItems.ContainsKey(itemName))
        {
            receivedItems[itemName]++;
        }
        else
        {
            receivedItems[itemName] = 1;
        }
        Debug.Log($"{itemName} 接收成功，当前数量：{receivedItems[itemName]}");
    }
}

// 玩家道具管理类
public class PlayerInventory : MonoBehaviour
{
    private Dictionary<string, int> items = new Dictionary<string, int>
    {
        { "SelectedItem", 5 } // 模拟玩家的道具库存
    };

    public bool UseItem(string itemName)
    {
        if (items.ContainsKey(itemName) && items[itemName] > 0)
        {
            items[itemName]--;
            Debug.Log($"{itemName} 使用成功，剩余数量：{items[itemName]}");
            return true;
        }
        Debug.LogWarning($"{itemName} 使用失败，库存不足！");
        return false;
    }
}