using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using TMPro;
using Yarn.Unity;
using System.Linq; // 添加这个 using 语句
using DG.Tweening;
using AibisDream;


public class TaskEntry
{
    public string Text { get; set; }
    public bool IsCompleted { get; set; }
    public int IndentLevel { get; set; }
    public List<TaskEntry> SubTasks { get; set; }

    public TaskEntry(string text, int indentLevel = 0)
    {
        Text = text;
        IsCompleted = false;
        IndentLevel = indentLevel;
        SubTasks = new List<TaskEntry>();
    }
}
public class TaskManager : MonoBehaviour
{
    public GameObject taskTextPrefab; // 用于显示任务的文本预制体
    public Transform taskListParent;  // 任务列表的父物体
    private List<TaskEntry> tasks = new List<TaskEntry>();

    private RectTransform pos;

    public void Awake()
    {
        pos=GetComponent<RectTransform>();
    }


    [YarnCommand("task_moveIn")]
     public void Task_moveIn()
     {
        AudioManager.PlayInteraction("task_inout");
        pos.DOAnchorPosY(-170f,1f);
     }


    [YarnCommand("task_moveOut")]
    public void Task_moveOut()
     {
        AudioManager.PlayInteraction("task_inout");
        pos.DOAnchorPosY(175,1f);
     }

    [YarnCommand("add_task")]
    public void AddTask(string text, string parentTaskText = null)
    {
        TaskEntry newTask = new TaskEntry(text);
        
        if (!string.IsNullOrEmpty(parentTaskText))
        {
            TaskEntry parentTask = FindTaskByText(tasks, parentTaskText);
            if (parentTask != null)
            {
                newTask.IndentLevel = parentTask.IndentLevel + 1;
                parentTask.SubTasks.Add(newTask);
            }
            else
            {
                Debug.LogError("Parent task not found");
            }
        }
        else if(FindTaskByText(tasks, text)!=null)
        {
            Debug.LogWarning("Allreday Added");
        }
        else
        {
            tasks.Add(newTask);
        }

        UpdateTaskUI();
    }

    [YarnCommand("complete_task")]
    public void CompleteTask(string taskText)
    {
        TaskEntry task = FindTaskByText(tasks, taskText);
        if (task != null)
        {
            task.IsCompleted = true;
            UpdateTaskUI();
        }
        else
        {
            Debug.LogWarning("Task" +taskText +"not found");
        }
    }

    [YarnCommand("clear_tasks")]
    public void ClearTasks()
    {
        tasks.Clear(); // 清空任务列表
        UpdateTaskUI(); // 更新 UI，清除所有显示的任务
    }

    private TaskEntry FindTaskByText(List<TaskEntry> tasks, string text)
    {
        foreach (var task in tasks)
        {
            if (task.Text == text) return task;

            TaskEntry found = FindTaskByText(task.SubTasks, text);
            if (found != null) return found;
        }

        return null;
    }

    private void UpdateTaskUI()
    {
        foreach (Transform child in taskListParent)
        {
            Destroy(child.gameObject);
        }

        foreach (var task in tasks)
        {
            CreateTaskUI(task);
        }
    }

    private void CreateTaskUI(TaskEntry task)
    {
        GameObject taskObject = Instantiate(taskTextPrefab, taskListParent);
        TextMeshProUGUI taskText = taskObject.GetComponent<TextMeshProUGUI>();

        if (task.IsCompleted)
        {
            taskText.text = "<s>" + new string(' ', task.IndentLevel * 4) + task.Text + "</s>";
            taskText.color = Color.gray;
        }
        else
        {
            taskText.text = new string(' ', task.IndentLevel * 4) + task.Text;
        }

        foreach (var subTask in task.SubTasks)
        {
            CreateTaskUI(subTask);
        }
    }
}