using System.Collections;

using UnityEngine;

using UnityEngine.UI;

​

public class GameManager : MonoBehaviour

{

    private Frogger frogger;

    private Home[] homes;

​

    public GameObject gameOverMenu;

    public Text timeText;

    public Text livesText;

    public Text scoreText;

​

    private int lives;

    private int score;

    private int time;

​

    private float respawnTime;

​

    private void Awake()

    {

        Application.targetFrameRate = 60;

​

        homes = FindObjectsOfType<Home>();

        frogger = FindObjectOfType<Frogger>();

    }

​

    private void Start()

    {

        NewGame();

    }

​

    private void NewGame()

    {

        gameOverMenu.SetActive(false);

​

        SetScore(0);

        SetLives(3);

        NewLevel();

    }

​

    private void NewLevel()

    {

        for (int i = 0; i < homes.Length; i++) {

            homes[i].enabled = false;

        }

​

        Respawn();

    }

​

    private void Respawn()

    {

        frogger.Respawn();

​

        StopAllCoroutines();

        StartCoroutine(Timer(30));

    }

​

    private IEnumerator Timer(int duration)

    {

        time = duration;

        timeText.text = time.ToString();

​

        while (time > 0)

        {

            yield return new WaitForSeconds(1);

​

            time--;

            timeText.text = time.ToString();

        }

​

        frogger.Death();

    }

​

    public void Died()

    {

        SetLives(lives - 1);

​

        if (lives > 0) {

            Invoke(nameof(Respawn), 1f);

        } else {

            Invoke(nameof(GameOver), 1f);

        }

    }

​

    private void GameOver()

    {

        frogger.gameObject.SetActive(false);

        gameOverMenu.SetActive(true);

​

        StopAllCoroutines();

        StartCoroutine(CheckForPlayAgain());

    }

​

    private IEnumerator CheckForPlayAgain()

    {

        bool playAgain = false;

​

        while (!playAgain)

        {

            if (Input.GetKeyDown(KeyCode.Return)) {

                playAgain = true;

            }

​

            yield return null;

        }

​

        NewGame();

    }

​

    public void AdvancedRow()

    {

        SetScore(score + 10);

    }

​

    public void HomeOccupied()

    {

        frogger.gameObject.SetActive(false);

​

        int bonusPoints = time * 20;

        SetScore(score + bonusPoints + 50);

​

        if (Cleared())

        {

            SetLives(lives + 1);

            SetScore(score + 1000);

            Invoke(nameof(NewLevel), 1f);

        }

        else {

            Invoke(nameof(Respawn), 1f);

        }

    }

​

    private bool Cleared()

    {

        for (int i = 0; i < homes.Length; i++)

        {

            if (!homes[i].enabled) {

                return false;

            }

        }

​

        return true;

    }

​

    private void SetScore(int score)

    {

        this.score = score;

        scoreText.text = score.ToString();

    }

​

    private void SetLives(int lives)

    {

        this.lives = lives;

        livesText.text = lives.ToString();

    }

​

}