using System;
using UnityEngine;

public class MenuUI : MonoBehaviour
{
  // 主菜单UI容器
  [SerializeField] private GameObject menuUIWrapper;
  // 开始按钮音效
  [SerializeField] private AudioSource startAudioSource;
  // 教程引导UI容器
  [SerializeField] private GameObject TutorialWrapper;
  // 是否已按下开始按钮
  private bool _isPressed;

  /// <summary>
  /// 初始化，若已完成教程则销毁教程UI
  /// </summary>
  private void Awake()
  {
    if (PlayerPrefs.HasKey("Tutorial"))
      Destroy(TutorialWrapper);
    _isPressed = false; // 场景重载时重置
    if (menuUIWrapper != null)
      menuUIWrapper.SetActive(false); // 默认先隐藏主菜单，防止误触
  }

  private void Start()
  {
    if (menuUIWrapper != null)
      StartCoroutine(ShowMenuWithDelay());
  }

  private System.Collections.IEnumerator ShowMenuWithDelay()
  {
    yield return new WaitForSeconds(1.5f);
    if (menuUIWrapper != null)
      menuUIWrapper.SetActive(true);
  }

  /// <summary>
  /// 激活或隐藏主菜单UI，并处理教程引导
  /// </summary>
  /// <param name="status">是否显示菜单</param>
  public void ActivateMenu(bool status)
  {
    if (status)
    {
      startAudioSource.Play();

      if (ComponentsManager.Tutorial)
      {
        if (ComponentsManager.Tutorial.GetStep == 0)
          ComponentsManager.Tutorial.NextStep(1, true);
      }
    }

    menuUIWrapper.SetActive(status);
  }

  /// <summary>
  /// 监听E键，调试用：添加金币
  /// </summary>
  private void Update()
  {
    if (Input.GetKeyDown(KeyCode.E))
    {
      ComponentsManager.PlayerWallet.AddMoney(0);
    }
  }

  /// <summary>
  /// 开始战斗按钮点击，启动战斗并隐藏菜单，处理教程步骤
  /// </summary>
  public void StartBattleButton()
  {
    ComponentsManager.BattleManager.StartBattle();
    ActivateMenu(false);

    if (!_isPressed)
    {
      _isPressed = true;
    }

    if (ComponentsManager.Tutorial)
    {
      if (ComponentsManager.Tutorial.GetStep == 0)
        ComponentsManager.Tutorial.NextStep(0, false);
      
      if (ComponentsManager.Tutorial.GetStep == 2)
        ComponentsManager.Tutorial.NextStep(2, false);
      
      if (ComponentsManager.Tutorial.GetStep == 4)
        ComponentsManager.Tutorial.NextStep(5, false);
    }
  }
}