using System.Collections;
using System.Collections.Generic;
using System.Linq;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;

public class MainMenuManager : MonoBehaviour
{
    private string component = "_FaceDilate";
    [SerializeField]
    private TMP_Text title;
    [SerializeField]
    private List<TMP_Text> textList= new List<TMP_Text>();
    private List<float> initDilates= new List<float>();
    private List<float> dilates= new List<float>();
    private float dilate = -1;
    private float initDilate;
    [SerializeField]
    float dilateSpeed = 0.1f;
    [SerializeField]
    private Animator cover;
    private bool transitioning = false;

    // Start is called before the first frame update
    void Start()
    {
        //initDilate = title.fontSharedMaterials[0].GetFloat(component);
        initDilate = title.fontMaterials[0].GetFloat(component);
        

        foreach(TMP_Text text in this.textList)
        {
            this.initDilates.Add(text.fontMaterials[0].GetFloat(component));
            this.dilates.Add(-1f);

            
        }
        this.textList[0].GetComponent<Button>().onClick.AddListener(LoadFirstLevel);
        this.textList[2].GetComponent<Button>().onClick.AddListener(ExitApp);
        
    }
    void LoadFirstLevel()
    {
        if (!transitioning)
        {
            cover.Play("Cover_load_out");
            transitioning = true;
            StartCoroutine(_LoadFirstLevel());
        }
       
    }
    private IEnumerator _LoadFirstLevel()
    {
        yield return new WaitForSeconds(4);
        SceneManager.LoadScene(1);
    }

    void ExitApp()
    {
        Application.Quit();
    }
    

    // Update is called once per frame
    void Update()
    {
        //dilate = Mathf.Min(initDilate, dilate += Time.deltaTime);
        dilate = Mathf.Lerp(dilate, initDilate, Time.deltaTime*dilateSpeed);
        title.fontMaterials[0].SetFloat(component, dilate);
        for(int i =0;i<this.textList.Count;i++)
        {
            
            dilates[i] = Mathf.Lerp(dilates[i], initDilates[i],Time.deltaTime*dilateSpeed);
            textList[i].fontMaterials[0].SetFloat(component, dilates[i]);
        }

    }
}