using UnityEngine;
using UnityEngine.UI;
using System.IO;

public class LevelLoader : MonoBehaviour
{
    public LevelsLoader levelsLoader;
    public bool editMode;
    public bool createMode;
    public AudioSource musicSource;
    public Text progressionText;
    private readonly float groundY = -6.034f;

    private GameObject GetPrefab(string type)
    {
        return Resources.Load<GameObject>("Prefabs/" + type);
    }

    private void LoadAudio()
    {
        musicSource.clip = Resources.Load<AudioClip>(Path.Combine("Musics", levelsLoader.levelCurrent.musicName));

        if (PlayerPrefs.HasKey("Volume"))
        {
            musicSource.volume = PlayerPrefs.GetFloat("Volume");
        }
        else
        {
            musicSource.volume = 1f;
        }

        musicSource.Play();
    }

    private void LoadElements()
    {
        Level current = levelsLoader.levelCurrent;
        foreach (var element in current.elements)
        {
            GameObject prefab = GetPrefab(element.type);
            GameObject instance = Instantiate(prefab, new Vector3(element.x, element.y, 0), Quaternion.identity);

            if (prefab.CompareTag("Kill"))
            {
                Instantiate(Resources.Load<GameObject>("AICollider"), new Vector3(element.x - 1, element.y, 0), Quaternion.identity);
            }

            Vector3 originalScale = instance.transform.localScale;
            float newScaleX = element.scaleX > 0 ? element.scaleX : originalScale.x;
            float newScaleY = element.scaleY > 0 ? element.scaleY : originalScale.y;

            instance.transform.localScale = new Vector3(newScaleX, newScaleY, originalScale.z);
        }
        if (!editMode)
        {
            GameObject groundPrefab = GetPrefab("Ground");
            GameObject groundInstance = Instantiate(groundPrefab, new Vector3(current.LastX / 2, groundY, 0), Quaternion.identity);
            float groundWidth = current.LastX;
            groundInstance.transform.localScale = new Vector3(groundWidth / 5f * 2, 1, 1);
        }
        Instantiate(GetPrefab("WinnerWall"), new Vector3(current.LastX, 0, 0), Quaternion.Euler(0, 0, 90));
    }

    public void Start()
    {
        createMode = PlayerPrefs.GetInt("CreateMode", 0) == 1;
        if (!createMode)
        {
            levelsLoader = GameObject.FindGameObjectWithTag("LevelsLoader").GetComponent<LevelsLoader>();
            levelsLoader.IncreaseTotalAttempts();

            LoadElements();
            if (!editMode)
                LoadAudio();
        }
    }

    public void Update()
    {
        if (!editMode)
        {
            Level current = levelsLoader.levelCurrent;
            progressionText.text = current.ProgressionPercent + "%";
        }
    }
}