using System;
using System.Collections.Generic;
using UnityEngine;
using TcgEngine.Gameplay;
using TcgEngine.UI;
using System.Linq;  

namespace TcgEngine.Client
{
    /// <summary>
    /// 游戏客户端任务集成，用于将任务系统集成到游戏客户端中
    /// </summary>
    public class GameClientTaskIntegration : MonoBehaviour
    {
        [Header("所有任务")]
        public List<PlayerTask> tasks = new List<PlayerTask>();

        [Header("活跃任务")] 
        public List<PlayerTask> activeTasks = new List<PlayerTask>();

        [Header("已完成任务")] 
        public List<PlayerTask> completedTasks = new List<PlayerTask>();

        private GameClient client;
        private TaskPanel taskPanel;
        
        private void Start()
        {
            // 在游戏客户端启动时初始化任务系统
            client = FindFirstObjectByType<GameClient>();
                client  = GameClient.Get();
            if (client != null)
            {
                // 玩家连接到游戏服务器时触发任务检查
                client.onConnectServer += OnConnectToServer;
            }
            else
            {
                Debug.LogError($"---{client}为空----");
            }

            if (TaskManager.Instance != null)
            {
                TaskManager.Instance.refreshTaskUI += OnRefreshTaskPanel;
                TaskManager.Instance.ResetUIPanel();
            }
            
            // 找 UI 面板
            taskPanel = GetComponent<TaskPanel>();
            if (taskPanel == null)
            {
                taskPanel = FindObjectOfType<TaskPanel>();
            }
            
            
        }

        private void OnDestroy()
        {
            client.onConnectServer -= OnConnectToServer;
            TaskManager.Instance.refreshTaskUI -= OnRefreshTaskPanel;
        }

        private void OnConnectToServer()
        {
            // 玩家登录时检查任务
            TaskManager taskManager = TaskManager.Instance;
            if (taskManager != null)
            {
                taskManager.OnPlayerLogin();
                // 强制第一次刷新
                OnRefreshTaskPanel(TaskManager.Instance.GetAllTasks());
            }
        }

        private void OnRefreshTaskPanel(List<PlayerTask> tasksList)
        {
            TaskManager taskManager = TaskManager.Instance;
            if (taskManager == null || taskPanel == null)
                return;

            tasks = taskManager.GetAllTasks();
            activeTasks = taskManager.GetActiveTasks();
            completedTasks = taskManager.GetCompletedTasks();

            // 用 tasks 排序
            var sortedTasks = tasks
                .OrderBy(t => GetTaskSortOrder(t.status))
                .ThenBy(t => t.assignedTime)
                .ToList();

            taskPanel.allTaskData = taskManager.taskConfigs;
            taskPanel.RefreshTasks(sortedTasks); 
        }
        
        private int GetTaskSortOrder(TaskStatus status)
        {
            switch (status)
            {
                case TaskStatus.Completed: return 0; // 第一优先
                case TaskStatus.Active:    return 1;
                case TaskStatus.Claimed:   return 2;
                case TaskStatus.Expired:   return 3;
                default:                   return 4;
            }
        }
        
        

    }
}