package com.doumee.keyCabinet.utils.update;

import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.Settings;
import android.util.Log;
import android.view.Gravity;
import android.view.Window;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import androidx.core.content.FileProvider;

import com.doumee.keyCabinet.R;
import com.nostra13.universalimageloader.utils.L;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;

/***
 * dialog文件下载
 *
 */
public class DownloadDialog extends Dialog {
	private static final int DOWNLOAD_PREPARE = 0;
	private static final int DOWNLOAD_WORK = 1;
	private static final int DOWNLOAD_OK = 2;
	private static final int DOWNLOAD_ERROR = 3;
	private static final String TAG = "IndexActivity";
	private Context mContext;

	private ProgressBar pb;
	/** 下载过程中不能点击 */
	public static boolean downloadOk;
	private TextView tv;
	private boolean iscancel;
	private UpdateDialog updateDialog;
	/**
	 * 下载的url
	 */
	private String url = null;
	private String filePath;

	/**
	 * 文件大小
	 */
	int fileSize = 0;

	/**
	 * 下载的大小
	 */
	int downloadSize = 0;

	/**
	 * handler
	 */
	private Handler handler = new Handler() {

		@Override
		public void handleMessage(Message msg) {
			switch (msg.what) {
			case DOWNLOAD_PREPARE:
				pb.setVisibility(ProgressBar.VISIBLE);
				Log.e(TAG, "文件大小:" + fileSize);
				pb.setMax(fileSize);
				break;
			case DOWNLOAD_WORK:
				pb.setProgress(downloadSize);
				long size = downloadSize;
				long res = (size*100/fileSize);
				tv.setText(res + "%");
				// bt.setText(FileUtil.FormetFileSize(downloadSize) + "/"
				// + FileUtil.FormetFileSize(fileSize));
				break;
			case DOWNLOAD_OK:
				downloadSize = 0;
				fileSize = 0;
				try {
					Activity ac = null;
					if (mContext != null) {
						ac = (Activity) mContext;
					} else {
						L.d("mContext====null");
					}
					if (ac != null && !ac.isFinishing()) {
						L.d("ac===!!!!!!!!!!=null");
						cancel();
						if (updateDialog != null) {
							updateDialog.show();
						}
						if (downloadOk) {
							initUpdate();
						}
					}
				} catch (Exception e) {
					L.d("出现异常-----窗口关闭-");
					L.d("出现异常-----窗口关闭-");
				}

				break;
			case DOWNLOAD_ERROR:
				downloadSize = 0;
				fileSize = 0;
				Toast toast1 = Toast.makeText(mContext, mContext.getString(R.string.download_3),
						Toast.LENGTH_SHORT);
				toast1.setGravity(Gravity.CENTER, 0, 0);
				toast1.show();
				cancel();
				break;
			}
			super.handleMessage(msg);
		}
	};

	private void getPermision(final Intent intent){
		PermissionUtils.getPermission2(mContext, new PermissionUtils.CallBack() {
					@Override
					public void sucess() {
						if(intent!=null){
							mContext.startActivity(intent);
						}else {
							initUpdate();
						}
					}

					@Override
					public void fail(List<String> permissions) {
						//showNoPermissionTip();
						Uri packageURI = Uri.parse("package:" + mContext.getPackageName());
						//注意这个是8.0新API
						Intent intent = new Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES, packageURI);
						mContext.startActivity(intent);
						updateDialog.show();
						dismiss();
					}
				},new String[]{"android.permission.REQUEST_INSTALL_PACKAGES"});
	}

	private PermissiondDialog permissiondDialog;
	/**
	 * 没有权限的提醒
	 *
	 */
	private void showNoPermissionTip() {
		try {
			Toast.makeText(mContext, mContext.getString(R.string.download_1), Toast.LENGTH_LONG).show();
			if(permissiondDialog==null){
				permissiondDialog=new PermissiondDialog(mContext, mContext.getString(R.string.help), mContext.getString(R.string.download_2), mContext.getString(R.string.cancel),
						mContext.getString(R.string.empower), new PermissiondDialog.OnClickListener() {
					@Override
					public void clickOk() {
						permissiondDialog.dismiss();
						Uri packageURI = Uri.parse("package:" + mContext.getPackageName());
						//注意这个是8.0新API
						Intent intent = new Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES, packageURI);
						mContext.startActivity(intent);
						updateDialog.show();
						dismiss();
					}

					@Override
					public void clickNo() {
						permissiondDialog.dismiss();
					}
				});
			}
			if(!permissiondDialog.isShowing()){
				permissiondDialog.show();
			}
		}catch (Exception e){

		}
	}

	private Intent intent;
	// 安装应用
	void initUpdate() {
		try {
			intent = new Intent(Intent.ACTION_VIEW);
			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
				//intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
				intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
				intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
				Uri contentUri = FileProvider.getUriForFile(mContext, "com.doumee.keyCabinet.fileProvider", new File(filePath));
				intent.setDataAndType(contentUri, "application/vnd.android.package-archive");
				//Toast.makeText(mContext, contentUri.toString(), Toast.LENGTH_SHORT).show();
				//兼容8.0
				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
					boolean hasInstallPermission = mContext.getPackageManager().canRequestPackageInstalls();
					if (!hasInstallPermission) {
						//startInstallPermissionSettingActivity();
						getPermision(intent);
						return;
					}
				}
			} else {
				intent.setDataAndType(Uri.fromFile(new File(filePath)), "application/vnd.android.package-archive");
				intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
			}
			mContext.startActivity(intent);

			//MApplication.getInstance().setDestroyActivitys(true);
			//MApplication.getInstance().exitApp();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public DownloadDialog(Context context, String url) {
		super(context, R.style.dialog_style);
		mContext = context;
		this.url = url;
		filePath = FileUtil.getPath(mContext, url);
	}

	public void setUpdateDialog(UpdateDialog updateDialog) {
		this.updateDialog = updateDialog;
	}

	@Override
	public void cancel() {
		super.cancel();
		iscancel = true;
	}

	/**
	 * 下载文件
	 */
	private void downloadFile() {
		try {
			URL u = new URL(url);
			HttpURLConnection conn = (HttpURLConnection) u.openConnection();
			conn.setConnectTimeout(10000);
			int responeCode = conn.getResponseCode();
			InputStream is;
			if (responeCode == 200) {
				is = conn.getInputStream();
			} else {
				sendMessage(DOWNLOAD_ERROR);
				return;
			}

			fileSize = conn.getContentLength();
			if (fileSize < 1 || is == null) {
				sendMessage(DOWNLOAD_ERROR);
			} else {
				sendMessage(DOWNLOAD_PREPARE);
				if (FileUtil.deleteFile(filePath)) {// 删除原来的安装文件再下载
					FileOutputStream fos = new FileOutputStream(filePath);
					byte[] bytes = new byte[1024];
					int len = -1;
					while ((len = is.read(bytes)) != -1) {
						if (!iscancel) {
							fos.write(bytes, 0, len);
							fos.flush();
							downloadSize += len;
							sendMessage(DOWNLOAD_WORK);
						} else {
							return;
						}
					}
					sendMessage(DOWNLOAD_OK);
					is.close();
					fos.close();
				}
			}
		} catch (Exception e) {
			sendMessage(DOWNLOAD_ERROR);
			e.printStackTrace();
		}
	}

	/***
	 * 得到文件的路径
	 *
	 * @return
	 */
	public String getFilePath() {
		return filePath;
	}

	private void init() {
		// bt.setOnClickListener(this);
		tv = (TextView) this.findViewById(R.id.progre_num);
		pb = (ProgressBar) this.findViewById(R.id.down_pb);
	}

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		this.requestWindowFeature(Window.FEATURE_NO_TITLE);
		setContentView(R.layout.layout_download);
		downloadOk = true;
		init();
	}

	/**
	 * @param what
	 */
	private void sendMessage(int what) {
		Message m = new Message();
		m.what = what;
		handler.sendMessage(m);
	}

	@Override
	public void show() {
		super.show();
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
			boolean hasInstallPermission = mContext.getPackageManager().canRequestPackageInstalls();
			if (!hasInstallPermission) {
				//startInstallPermissionSettingActivity();
				getPermision(null);
				return;
			}
		}
		// 弹出就开始下载
		new Thread(new Runnable() {
			@Override
			public void run() {
				downloadFile();
			}
		}).start();
	}
}