using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Video;

public class GamesResourcesFinder : MonoBehaviour
{
    public static GamesResourcesFinder instance;
    public string resourcePath;
    public bool gameReady = false;

    [System.Serializable]
    public class ArchiveDownload
    {
        public string resource;
        public bool isImg;
    }
    [System.Serializable]
    public class ImageArchive
    {
        public string resource;
        public Sprite img;
    }
    [System.Serializable]
    public class VideoArchive
    {
        public string resource, fullPath;
    }
    [System.Serializable]
    public class SongArchive
    {
        public string resource;
        public AudioClip clip;
    }

    public List<ArchiveDownload> downloads;
    public List<ImageArchive> images;
    public List<VideoArchive> videos;
    public List<SongArchive> audios;
    public bool waitToCallDownload = false;
    int extraDownloads = 0;

    private void Awake()
    {
        instance = this;

        if (!waitToCallDownload)
        {
            Debug.Log("Por aqui em cima");
            StartCoroutine(DownloadEverything());
        }
    }

    public void AddObjectsOnFirstDownload(List<ArchiveDownload> archives)
    {
        downloads.AddRange(archives);
    }

    public void CallFirstDownload()
    {
        Debug.Log("Por aqui em baixo");
        StartCoroutine(DownloadEverything());
    }

    public Sprite AskForImage(string name)
    {
        foreach (ImageArchive item in images)
        {
            if (item.resource == name)
            {
                return item.img;
            }
        }

        return null;
    }

    public string AskForVideo(string name)
    {
        foreach (VideoArchive item in videos)
        {
            if (item.resource == name)
            {
                return item.fullPath;
            }
        }

        return "";
    }

    public AudioClip AskForAudio(string name)
    {
        Debug.Log("Qntdade de audios = " + audios.Count);
        foreach (SongArchive item in audios)
        {
            Debug.Log(item.resource + ", " + name);
            if (item.resource == name)
            {
                return item.clip;
            }
        }

        return null;
    }

    public void AddObjNDownload(List<ArchiveDownload> res)
    {
        downloads.AddRange(res);

        StartCoroutine(DownloadEverything(false));
    }

    IEnumerator DownloadEverything(bool isFirstDownload = true)
    {
        Debug.Log("Baixar recursos do jogo, isFirstDownload = " + isFirstDownload);
        GameObject objLoad = Instantiate(Resources.Load<GameObject>("Load Game"));

        if (!isFirstDownload)
        {
            Destroy(objLoad);
        }
        
        foreach (ArchiveDownload item in downloads)
        {
            if (item.isImg)
            {
                yield return StartCoroutine(DownloadPhoto(item.resource));
            }
            else
            {
                if (item.resource.EndsWith(".wav") || item.resource.EndsWith(".mp3"))
                {
                    yield return StartCoroutine(DownloadAudioFile(item.resource));
                }
                else
                {
                    yield return StartCoroutine(DownloadVideoFile(item.resource));
                }
            }

            yield return new WaitForEndOfFrame();
        }

        if (isFirstDownload)
        {
            Destroy(objLoad);
            gameReady = true;
            Debug.LogWarning("Downloaded Everything");
        }
        else
        {
            extraDownloads++;
        }
    }

    IEnumerator DownloadAudioFile(string fileName)
    {
        string path = "http://" + ReadingFile.iploc + "/zoeGamesResources/" + fileName;
        Debug.Log("Baixando audio de: " + path);

        var www = new WWW(path);
        Debug.Log("Downloading " + fileName + "!");
        yield return www.GetAudioClip();

        string pathToArchive = Application.persistentDataPath + "/" + fileName;

        SongArchive songArchive = new SongArchive();
        songArchive.resource = fileName;
        songArchive.clip = www.GetAudioClip();

        audios.Add(songArchive);

        yield break;
    }

    IEnumerator DownloadVideoFile(string fileName)
    {
        string path = "http://" + ReadingFile.iploc + "/zoeGamesResources/" + fileName;
        Debug.Log("Baixando video de: " + path);

        var www = new WWW(path);
        Debug.Log("Downloading " + fileName + "!");
        yield return www;
        string pathToArchive = Application.persistentDataPath + "/" + fileName;
        if (File.Exists(pathToArchive))
        {
            File.Delete(pathToArchive);
        }
        File.WriteAllBytes(pathToArchive, www.bytes);

        VideoArchive videoArchive = new VideoArchive();
        videoArchive.fullPath = pathToArchive;
        videoArchive.resource = fileName;

        videos.Add(videoArchive);

        yield break;
    }

    IEnumerator DownloadPhoto(string photoPath)
    {
        string url = "http://" + ReadingFile.iploc + "/zoeGamesResources/" + photoPath;
        Debug.Log("Baixando imagem de: " + url);

        using (WWW www = new WWW(url))
        {
            yield return www;

            ImageArchive img = new ImageArchive();
            img.resource = photoPath;
            img.img = Sprite.Create(www.texture, new Rect(0, 0, www.texture.width, www.texture.height),
                new Vector2(0, 0));

            images.Add(img);
        }
    }

    public void CallEndGame()
    {
        StartCoroutine(EndGame(true));
    }

    public IEnumerator EndGame(bool won, bool jusClosing = false)
    {
        yield return new WaitForSecondsRealtime(1);

        GameObject obj = Instantiate(Resources.Load<GameObject>("End Game"));
        foreach (ImageArchive item in images)
        {
            item.img = null;

            yield return new WaitForEndOfFrame();
        }

        foreach (VideoArchive item in videos)
        {
            File.Delete(item.fullPath);

            yield return new WaitForEndOfFrame();
        }

        Resources.UnloadUnusedAssets();
        GameControl jooj = GameObject.Find("GameControl").GetComponent<GameControl>();

        if (!jusClosing)
        {
            yield return new WaitForSecondsRealtime(1);
            Destroy(obj);

            jooj.ended = false;
            if (won)
            {
                jooj.finishedGame = true;
            }
            else
            {
                jooj.failedGame = true;
            }
        }       
    }
}