using UnityEngine;
using System.Collections;
using AssetBundles;
using System;
using System.IO;
using System.Net;
using System.ComponentModel;


public class DownLoadAssetBundles : MonoBehaviour
{
	#if UNITY_IOS

    private string uri;
    //private WWW www;
	private WebClient wct;

    public UILabel progress;
	public UILabel progressAll;

	public UISprite progressBar;
    public UISprite progressBarAll;
    public GameObject panel;
	public string sAssetBundleURL;

	public GameObject m_goAssetBundleLoader;
	bool m_bDownloading = false;
	int m_iIndexFileDownloading = 0;
	bool m_bDownloadCurrentFileCompelted = false;
	string sDownloadingAt;
	bool m_bDownloadCompleted = false;

	string spersistentDataPath = string.Empty;
	bool bUserHasJustClickEnter = false;

	string[] m_arrsFileName;


	void Awake()
    {
		//PlayerPrefs.DeleteAll ();
//		Localization.language = "English";
//        LanguageAtlasList.Instance().isCN = ((int)Application.systemLanguage == 6);
		spersistentDataPath = Application.persistentDataPath;
		sAssetBundleURL = "http://dev.goplay.la/uploads/test/assetBundle/iOS/";
		sDownloadingAt = "DOWNLOADING_AT";

		m_arrsFileName = new string[] {"iOS.assetbundle", "iOS.assetbundle.manifest", "_prfab.assetbundle", "_prfab.assetbundle.manifest", "bombeffect.assetbundle", "bombeffect.assetbundle.manifest",
			"effect_other.assetbundle","effect_other.assetbundle.manifest", "materials.assetbundle", "materials.assetbundle.manifest", "models_bulletprefab.assetbundle", "models_bulletprefab.assetbundle.manifest",
			"models_tank.assetbundle", "models_tank.assetbundle.manifest", "objects.assetbundle", "objects.assetbundle.manifest", "prfinscene.assetbundle", "prfinscene.assetbundle.manifest", "props.assetbundle",
			"props.assetbundle.manifest", "scene_killmode_endlessmode.assetbundle", "scene_killmode_endlessmode.assetbundle.manifest", "scene_killmode.assetbundle", "scene_killmode.assetbundle.manifest",
			"scene_level_endless(rdb).assetbundle", "scene_level_endless(rdb).assetbundle.manifest", "scene_levelmode_changjing.assetbundle", "scene_levelmode_changjing.assetbundle.manifest",
			"scene_levelmode_elitemode.assetbundle", "scene_levelmode_elitemode.assetbundle.manifest", "scene_levelmode.assetbundle", "scene_levelmode.assetbundle.manifest", "scene_materials.assetbundle",
			"scene_materials.assetbundle.manifest", "scene_pvpmode.assetbundle", "scene_pvpmode.assetbundle.manifest",
			"scene.assetbundle", "scene.assetbundle.manifest", "skilleffect.assetbundle", "skilleffect.assetbundle.manifest", "texture.assetbundle", "texture.assetbundle.manifest",
			"textures_materials.assetbundle", "textures_materials.assetbundle.manifest", "textures.assetbundle", "textures.assetbundle.manifest", "tx_fxmaker.assetbundle", "tx_fxmaker.assetbundle.manifest",
			"weiyan.assetbundle", "weiyan.assetbundle.manifest"};

        panel.SetActive(false);
    }

    // Use this for initialization
	void Start ()
    {
		LanguageAtlasList.Instance().isCN = GameLocalization.instance.language == "English" ? false : true;


       //check if all data isn't ready:
		CheckAlreadyDownload();

		if (m_iIndexFileDownloading == m_arrsFileName.Length -1) {
			Debug.Log("---->>> Start Load...");
			m_goAssetBundleLoader.SetActive (true);
			StartCoroutine (AssetBundleLoader.Instance.InitializeLevelAsync ("scene.assetbundle", "logo"));
		}
        else
        {
			wct = new WebClient();
			wct.DownloadProgressChanged += new DownloadProgressChangedEventHandler(client_DownloadProgressChanged);
			wct.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(DownloadFileCompletedHandler);

			string bundleBaseDownloadingURL = sAssetBundleURL + "iOS.assetbundle";
			string sSaveFilePath = spersistentDataPath + "/assetbundles/iOS/" + "iOS.assetbundle";

			//wct.DownloadFileAsync(new Uri(bundleBaseDownloadingURL), sSaveFilePath);

//			DownLoad(m_arrsFileName[m_iIndexFileDownloading]);
			panel.SetActive(true);
        }
    }


	void CheckAlreadyDownload()
	{
		m_iIndexFileDownloading = PlayerPrefs.GetInt (sDownloadingAt, 0);
		Debug.Log ("m_iIndexFileDownloading from PlayerPrefs : " + m_iIndexFileDownloading);
	}

	// Update is called once per frame
	void Update ()
    {
		if (bUserHasJustClickEnter == true) {

			if (!Directory.Exists(spersistentDataPath + "/assetbundles/iOS/"))
			{
				Directory.CreateDirectory(spersistentDataPath + "/assetbundles/iOS/");
			}

			bUserHasJustClickEnter = false;
			UserClickedEnter ();

			return;
		}

		if (!m_bDownloading) {
			return;
		}

//        progress.text = "[b]" + (www.progress * 100).ToString("f2") + "%";
//        progressBar.width = (int)(www.progress * 800);
		progressAll.text = "[b]" + (((float)m_iIndexFileDownloading / m_arrsFileName.Length ) * 100).ToString("f2") + "%";
		progressBarAll.width = (int)(((float)m_iIndexFileDownloading / m_arrsFileName.Length ) * 800);

		if (m_bDownloadCurrentFileCompelted) {

			//Set player prefs so after we can load and check
			PlayerPrefs.SetInt (sDownloadingAt, m_iIndexFileDownloading);
			PlayerPrefs.Save ();

			m_bDownloadCurrentFileCompelted = false;
			if (m_iIndexFileDownloading == (m_arrsFileName.Length - 1)) {

				Debug.Log ("Total download time : " + (Time.time - fBeginDownloadTime));
				StartCoroutine (AssetBundleLoader.Instance.InitializeLevelAsync ("scene.assetbundle", "logo"));
			} else {

				m_iIndexFileDownloading++;

				//DownLoad (m_arrsFileName [m_iIndexFileDownloading]);
				Debug.Log("Done 1 file ");
				if (m_iIndexFileDownloading == 2) {
					m_goAssetBundleLoader.SetActive (true);
				}
			}
		}
    }

    public void OnClickEnter()
    {
		bUserHasJustClickEnter = true;

		panel.SetActive(false);
		progress.gameObject.SetActive (true);
		progressBar.gameObject.SetActive (true);

		progressAll.gameObject.SetActive (true);
		progressBarAll.gameObject.SetActive (true);


	}

	void UserClickedEnter()
	{
		Debug.Log ("UserClickedEnter");
		m_bDownloading = true;
		fBeginDownloadTime = Time.time;

		// Create the directory if it doesn't already exist


		DownLoad(m_arrsFileName[m_iIndexFileDownloading]);
		//StartCoroutine (AssetBundleLoader.Instance.InitializeLevelAsync ("scene.assetbundle", "logo"));
	}

    public void OnClickExit()
    {
        Application.Quit();
    }


	float fBeginDownloadTime = 0;
	float fBeginDownloadTimeOneFile = 0;
//	public IEnumerator DownLoad(string a_sFileName)
//    {
//		fBeginDownloadTimeOneFile = Time.time;
//		www = null;
//
//		string bundleBaseDownloadingURL = sAssetBundleURL + a_sFileName;
//		Debug.Log ("bundleBaseDownloadingURL   : " + bundleBaseDownloadingURL);
//
//		www = new WWW(bundleBaseDownloadingURL);
//		yield return www;
//
//		SaveDownloadedAsset (www, a_sFileName);
//
//		m_bDownloadCurrentFileCompelted = true;
//
//		Debug.Log ("Load : " + bundleBaseDownloadingURL + "   done, Time take : " + (Time.time - fBeginDownloadTimeOneFile));
//
//
//    }


	public void DownLoad(string a_sFileName)
	{
		//fBeginDownloadTimeOneFile = Time.time;
		//wct = null;

		string bundleBaseDownloadingURL = sAssetBundleURL + a_sFileName;
		Debug.Log ("bundleBaseDownloadingURL   : " + bundleBaseDownloadingURL);




		string sSaveFilePath = spersistentDataPath + "/assetbundles/iOS/" + a_sFileName;


		wct.DownloadFileAsync(new Uri(bundleBaseDownloadingURL), sSaveFilePath);

		Debug.Log ("EOEOEOEOE");
	}

	void client_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
	{
		double bytesIn = double.Parse(e.BytesReceived.ToString());
		double totalBytes = double.Parse(e.TotalBytesToReceive.ToString());
		double percentage = bytesIn / totalBytes * 100;

		progress.text = "[b]" + (percentage).ToString("f2") + "%";
		progressBar.width = (int)(percentage * 800);
	}

	void DownloadFileCompletedHandler(object sender, System.ComponentModel.AsyncCompletedEventArgs e)
	{
		if (e.Error == null) {
			m_bDownloadCurrentFileCompelted = true;

			Debug.Log ("Load : " + "   done, Time take : " + (Time.time - fBeginDownloadTimeOneFile));
		} else {
			Debug.LogError ("Download failed ");
			//DownLoad (m_arrsFileName [m_iIndexFileDownloading]);
		}
	}

	public void SaveDownloadedAsset(WWW objSERVER, string a_sName)
	{
		// Create the directory if it doesn't already exist
		if (!Directory.Exists(Application.persistentDataPath + "/assetbundles/iOS/"))
		{
			Directory.CreateDirectory(Application.persistentDataPath + "/assetbundles/iOS/");
		}

		string sPath = Application.persistentDataPath + "/assetbundles/iOS/" + a_sName;

		// Initialize the byte string
		byte[] bytes = objSERVER.bytes;

		// Creates a new file, writes the specified byte array to the file, and then closes the file.
		// If the target file already exists, it is overwritten.
		File.WriteAllBytes(sPath, bytes);
	}


#endif //UNITY_IOS

}