using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using TMPro;
using UnityEngine.UI;
using Unity.VisualScripting;

public class GameManager : MonoBehaviour
{
    public static GameManager Instance { get; private set; }

    public float initialGameSpeed = 5f;
    public float gameSpeedIncrease = 0.1f;
    public static float timeElapsed = 0;
    public float gameSpeed { get; private set; }

    public TextMeshProUGUI scoreText;
    public TextMeshProUGUI hiscoreText;
    public GameObject startScreen;
    public GameObject practiceGameOver;
    public GameObject duelGameOver;
    public GameObject processingObject, closeButton;

    private Player player;
    private Spawner spawner;

    private float score;

    private void Awake()
    {
        if (Instance == null)
        {
            Instance = this;
        }
        else
        {
            DestroyImmediate(gameObject);
        }
    }
    private void OnDestroy()
    {
        if (Instance == this)
        {
            Instance = null;
        }
    }

    private void Start()
    {
        player = FindObjectOfType<Player>();
        spawner = FindObjectOfType<Spawner>();

        // NewGame();
        startScreen.SetActive(true);
        spawner.gameObject.SetActive(false);
        player.gameObject.SetActive(false);
        ShowGameOver(false);
        UpdateHiscore();
    }
    public void NewGame()
    {
        Obstacle[] obstacles = FindObjectsOfType<Obstacle>();

        foreach (var obstacle in obstacles)
        {
            Destroy(obstacle.gameObject);
        }

        score = 0f;
        timeElapsed = 0f;
        gameSpeed = initialGameSpeed;
        enabled = true;

        player.gameObject.SetActive(true);
        spawner.gameObject.SetActive(true);
        ShowGameOver(false);
        startScreen.SetActive(false);
    }

    public void GameOver()
    {
        gameSpeed = 0f;
        enabled = false;

        player.gameObject.SetActive(false);
        spawner.gameObject.SetActive(false);
        ShowGameOver(true);
        GameOverHighscore();
        UpdateHiscore();
    }

    private void Update()
    {
        if(player.gameObject.activeSelf){
            gameSpeed += gameSpeedIncrease * Time.deltaTime;
            score += gameSpeed * Time.deltaTime;
            scoreText.text = Mathf.FloorToInt(score).ToString("D5");
            timeElapsed += Time.deltaTime;
        }
    }
    private void UpdateHiscore()
    {
        if(!HighscoreModeManager.isPraticeMode){
            hiscoreText.text = Mathf.FloorToInt(HighscoreModeManager.highscore).ToString("D5"); 
            return;
        }
        float hiscore = PlayerPrefs.GetFloat("hiscore", 0);
        if (score > hiscore)
        {
            hiscore = score;
            PlayerPrefs.SetFloat("hiscore", hiscore);
        }
        hiscoreText.text = Mathf.FloorToInt(hiscore).ToString("D5");
    }

    public void SetHighscore(int highscore){
        PlayerPrefs.SetFloat("highscore", highscore);
        hiscoreText.text = Mathf.FloorToInt(highscore).ToString("D5");
    }

    public void ShowGameOver(bool show){
        if(!show){
            practiceGameOver.SetActive(false);
            duelGameOver.SetActive(false);
            return;
        }
        if(HighscoreModeManager.isPraticeMode){
            practiceGameOver.SetActive(show);
        }else{
            duelGameOver.SetActive(show);
        }
    }


    public void GameOverHighscore(){
        if(HighscoreModeManager.isPraticeMode){
        }else{
            StartCoroutine(UpdateLeaderboard());
        }
    }

    IEnumerator UpdateLeaderboard(){
        yield return new WaitForSeconds(1f);
        closeButton.SetActive(false);
        processingObject.SetActive(true);
        string url = $"{DuelFi.VALIDATOR_URL}/updateLeaderboardScore?leaderboard_id={HighscoreModeManager.leaderboarId}&player_key={HighscoreModeManager.playerKey}&score={Mathf.FloorToInt(score)}";
        WWW www = new WWW(url);
        yield return www;
        if(www.error == null){
            Debug.Log("Leaderboard updated successfully");
        }else{
            Debug.Log("Error updating leaderboard: " + www.error);
        }
        closeButton.SetActive(true);
        processingObject.SetActive(false);
    }
}