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

public static class WorldProgress
{
    public static bool[] levelsCompleted = new bool[8];
}

public class GameController : MonoBehaviour
{
    int progressAmount;
    public Slider progressBar;

    public GameObject player;
    public List<GameObject> levels;
    public GameObject LoadCanvas;
    public GameObject gameOverScreen;
    public TMP_Text survivedText;

    public static event Action OnReset;

    void Start()
    {
        Time.timeScale = 1;

        progressAmount = 0;
        progressBar.value = 0;

        Gem.OnGemCollected -= UpdateProgress;
        Gem.OnGemCollected += UpdateProgress;
        PlayerHealth.OnPlayerDied -= GameOverScreen;
        PlayerHealth.OnPlayerDied += GameOverScreen;

        LoadCanvas.SetActive(false);
        gameOverScreen.SetActive(false);
    }

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Escape))
        {
            for (int i = 0; i < WorldProgress.levelsCompleted.Length; i++)
            {
                WorldProgress.levelsCompleted[i] = false;
            }
            SceneManager.LoadScene("StartScene");
        }
    }

    void GameOverScreen()
    {
        gameOverScreen.SetActive(true);
        MusicManager.PauseBackgroundMusic();
        Time.timeScale = 0; // Pause the game
    }

    public void ResetGame()
    {
        for (int i = 0; i < WorldProgress.levelsCompleted.Length; i++)
        {
            WorldProgress.levelsCompleted[i] = false;
        }

        // Destroy all health items in the scene
        foreach (var item in GameObject.FindGameObjectsWithTag("HealthItem"))
        {
            Destroy(item);
        }

        Debug.Log("ResetGame called");
        gameOverScreen.SetActive(false);
        MusicManager.PlayBackgroundMusic(true);

        // Reset player health and UI
        var newHealthUI = FindFirstObjectByType<HealthUI>();
        player.GetComponent<PlayerHealth>().ReassignHealthUI(newHealthUI);
        if (newHealthUI != null)
            player.GetComponent<PlayerHealth>().ResetHealth();

        // Reset player velocity to prevent stored momentum
        var rb = player.GetComponent<Rigidbody2D>();
        if (rb != null) rb.linearVelocity = Vector2.zero;

        // Reset player color to white
        var sr = player.GetComponent<SpriteRenderer>();
        if (sr != null) sr.color = Color.white;

        Time.timeScale = 1; // Resume the game
        
        HubReturnData.lastDoorIndex = -1;

        // Teleport to hub scene
        SceneManager.LoadScene("HubScene");
        player.transform.position = new Vector3(-1.5f, -2.5f, 0);
    }

    void UpdateProgress(int value)
    {
        progressAmount += value;
        if (progressBar != null)
            progressBar.value = progressAmount;

        if (progressAmount >= 100)
        {
            // Level complete, load next
            if (LoadCanvas != null)
                LoadCanvas.SetActive(true);
            Debug.Log("Level complete");
        }
        else
        {
            Debug.Log($"Current progress: {progressAmount}");
        }
    }

    void OnDestroy()
    {
        Gem.OnGemCollected -= UpdateProgress;
        PlayerHealth.OnPlayerDied -= GameOverScreen;
    }
}