using System.Collections;
using System.Collections.Generic;
using Assets.HeroEditor.Common.Scripts.Common;
using TMPro;
using UnityEngine;
using UnityEngine.SceneManagement;

public class CreditsController : MonoBehaviour{
    public TextMeshProUGUI firstText; // This, and the next 4 TMPs are individual credit screens
    public TextMeshProUGUI secondText;
    public TextMeshProUGUI thirdText;
    public TextMeshProUGUI fourthText;
    public TextMeshProUGUI fifthText;
    public AudioSource creditsMusic; // The music for the credits
    private bool first = false; // This, and the next 4 bools are to play the credits in a sequence
    private bool second = false;
    private bool third = false;
    private bool fourth = false;
    private bool fifth = false;
    // Start is called before the first frame update
    void Start(){
        // Initialize the credits music and begin to play it
        creditsMusic = GetComponent<AudioSource>();
        creditsMusic.Play();

        // Set screens 2 through 5 to inactive and activate the first
        secondText.SetActive(false);
        thirdText.SetActive(false);
        fourthText.SetActive(false);
        fifthText.SetActive(false);
        firstText.SetActive(true);
        first = true;
        // Start the credit coroutine
        StartCoroutine(RollCredits());
    }

    IEnumerator RollCredits(){
        // Wait on each credit screen for 10 seconds
        yield return new WaitForSeconds(10f);
        // If we just played the first screen, then set the bool to false and deactivate the credit
        if (first){
            first = false;
            firstText.SetActive(false);
            // Activate the second credit screen and set its bool to true; repeat the process until done
            secondText.SetActive(true);
            second = true;
            StartCoroutine(RollCredits());
        } else if (second){
            second = false;
            secondText.SetActive(false);
            thirdText.SetActive(true);
            third = true;
            StartCoroutine(RollCredits());
        } else if (third){
            third = false;
            thirdText.SetActive(false);
            fourthText.SetActive(true);
            fourth = true;
            StartCoroutine(RollCredits());
        } else if (fourth){
            fourth = false;
            fourthText.SetActive(false);
            fifthText.SetActive(true);
            fifth = true;
            StartCoroutine(RollCredits());
        } else if (fifth){
            // After the fifth credit screen, load us back to the Title Screen
            SceneManager.LoadScene("TitleScreen");
        }
    }
}