using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using TMPro;

public class GameController : MonoBehaviour
{
    //Serialized fields to assign UI elements and initial values in the Inspector
    [SerializeField] TextMeshProUGUI deathsText;
    [SerializeField] TextMeshProUGUI scoreText;
    [SerializeField] TextMeshProUGUI mostDeathsText;
    [SerializeField] int subjectDeaths = 0;
    [SerializeField] int playerScore = 0;

    //Private variables to store checkpoint position and components
    Vector2 checkpointPos;
    PlayerMovement playerMovement;
    SpriteRenderer playerSpriteRenderer;
    Collider2D playerCollider;
    private float setSpeed = 8f;

    void Awake()
    {
        // Get required components
        playerSpriteRenderer = GetComponent<SpriteRenderer>();
        playerCollider = GetComponent<Collider2D>();
        playerMovement = GetComponent<PlayerMovement>();
    }

    void Start()
    {
        // Initialize checkpoint position and UI text elements
        checkpointPos = transform.position;
        deathsText.text = subjectDeaths.ToString();
        scoreText.text = playerScore.ToString();
        UpdateMostDeaths();
    }

    void OnTriggerEnter2D(Collider2D collision)
    {
        if (collision.CompareTag("laser"))
        {   
            Die(); // If the player collides with a laser, handle player death
        }
        else if (collision.CompareTag("Goo"))
        {
            ScoreIncrease(); // If the player collides with Goo, increase the score

        }
        else if (collision.CompareTag("Checkpoints"))
        {
            // If the player collides with a checkpoint, update the checkpoint position and reset gravity
            checkpointPos = transform.position;
            playerMovement.DeathGravityReturn();
        }
    }   

    void Die() //handling the player death
    {
        AudioManager.Instance.PlaySFX("PlayerDeath");
        playerMovement.speed = setSpeed;
        StartCoroutine(Respawn(0.5f));
        subjectDeaths += 1;
        deathsText.text = subjectDeaths.ToString();
        CheckMostDeaths();
    }

    public void ScoreIncrease() //inceasing the score
    {
        playerScore += 1;
        AudioManager.Instance.PlaySFX("GooDeath");
        scoreText.text = playerScore.ToString();
    }

    IEnumerator Respawn(float duration) //respawning the player
    {
        playerCollider.enabled = false;
        playerSpriteRenderer.enabled = false;
        yield return new WaitForSeconds(duration);
        transform.position = checkpointPos; 
        playerSpriteRenderer.enabled = true;
        playerMovement.DeathGravityReturn();
        playerCollider.enabled = true;
    }

    void CheckMostDeaths() //checking the highest death count from a file
    {
        if(subjectDeaths > PlayerPrefs.GetInt("Most Deaths", 0))
        {
            PlayerPrefs.SetInt("Most Deaths", subjectDeaths);
        }
    }

    void UpdateMostDeaths() //updating the highest death count to the file 
    {
        mostDeathsText.text = $"{PlayerPrefs.GetInt("Most Deaths", 0)}";
    }
}