using System.Collections;
using System.Collections.Generic;
using AibisDream.Kit;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace AibisDream {
    public class StartMenu : Singleton<StartMenu>
    {
        [SerializeField] private Button startButton;
        [SerializeField] private Button selectLevelButton;
        [SerializeField] private Button quitButton;

        [SerializeField] private GameObject startTab;
        [SerializeField] private GameObject levelTab;

        [SerializeField] private TalkSceneSO[] talkSceneSoArray;
        [SerializeField] private GameObject buttonPrefab;

        private void OnEnable()
        {
            startButton.onClick.AddListener(StartGame);
            selectLevelButton.onClick.AddListener(SelectLevel);
            quitButton.onClick.AddListener(QuitGame);
        }

        private void OnDisable()
        {
            startButton?.onClick.RemoveListener(StartGame);
            selectLevelButton?.onClick.RemoveListener(SelectLevel);
            quitButton?.onClick.RemoveListener(QuitGame);
        }

        public void StartGame()
        {
            GameLoopManager.Instance.StartNewGame();
        }

        public void SelectLevel()
        {
            SwitchToLevelTab();
            // 生成关卡按钮
            GeneLevelButtons();
        }

        private void GeneLevelButtons()
        {
            // 销毁原来的按钮
            foreach (Transform child in levelTab.transform)
            {
                if (child.gameObject.name == "Suggestion")
                {
                    continue;
                }
                Destroy(child.gameObject);
            }
            
            // 生成新按钮
            for (int i = 0; i < talkSceneSoArray.Length; i++)
            {
                var tempButton = Instantiate(buttonPrefab, levelTab.transform);
                tempButton.GetComponent<TextMeshProUGUI>().text = $"第{i + 1}关";
                var idx = i;
                tempButton.GetComponent<Button>().onClick.AddListener(() =>
                {
                    GameLoopManager.Instance.StartNewGame(talkSceneSoArray[idx]);
                });
            }
            
            // 生成返回按钮
            var returnButton = Instantiate(buttonPrefab, levelTab.transform);
            returnButton.GetComponent<TextMeshProUGUI>().text = "返回";
            returnButton.GetComponent<Button>().onClick.AddListener(SwitchToStartTab);
        }

        private void SwitchToLevelTab()
        {
            startTab.SetActive(false);
            levelTab.SetActive(true);
        }

        private void SwitchToStartTab()
        {
            startTab.SetActive(true);
            levelTab.SetActive(false);
        }

        public void QuitGame()
        {
            Application.Quit();
        }
        
        public void HideStartMenu()
        {
            gameObject.SetActive(false);
        }
    }
}