package com.likesoft.mdedal;

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.preference.PreferenceManager;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.provider.Settings;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

//import com.likesoft.mdedaltest.*;

import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import static com.likesoft.mdedal.ListActivity.LOG;


public class PreferActivity extends Activity {

	private static final int REQ_STORAGE_PERMISSION = 1001;
	private static final int REQ_MANAGE_ALL_FILES = 2296;

	// EditText hostName;
	 EditText user;
	 EditText password;
	 EditText newpassword;
//	 CheckBox tablet;
	// Spinner refresh;
	 //TextView version;
	 TextView textViewHostUrl;

	 SharedPreferences prefs;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_prefer);
	//	hostName = (EditText) findViewById(R.id.editTextHost);
		user = (EditText) findViewById(R.id.editTextUser);
		password = (EditText) findViewById(R.id.editTextPassword);
		newpassword = (EditText) findViewById(R.id.editTextNewPassword);
	//	tablet = (CheckBox) findViewById(R.id.checkBoxTablet);
	//	refresh = (Spinner) findViewById(R.id.spinner_refresh);
		//version = (TextView) findViewById(R.id.textViewVersion);

		//textViewHostUrl
		textViewHostUrl = (TextView) findViewById(R.id.textViewHostUrl);

		PackageInfo pinfo;
		try {
			pinfo = getPackageManager().getPackageInfo(getPackageName(), 0);
			//versionNumber = pinfo.versionCode;
			String versionName = pinfo.versionName;
			//version.setText("Wersja aplikacji: "+versionName);
			setTitle("Logowanie  -  Wersja aplikacji: "+versionName);
		} catch (PackageManager.NameNotFoundException e2) {
			Log.e(LOG,  "", e2);
		}

		Context context = getApplicationContext();

		prefs = PreferenceManager.getDefaultSharedPreferences(context);
		updateUI();
        //Log.d("my_debug", "oncreate prefs");

		Button ok = (Button)findViewById(R.id.buttonSave);
		ok.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				// Zanim zapiszemy preferencje, upewnijmy się, że mamy dostęp do pamięci
				if (!hasStorageAccess()) {
					requestStorageAccess();
					Toast.makeText(PreferActivity.this, "Brak uprawnień do zapisu w pamięci. Przyznaj uprawnienie i spróbuj ponownie.", Toast.LENGTH_LONG).show();
					return;
				}
				if( newpassword.getText().toString().length()>0){
					savePreferences();
					new Thread( new Runnable() {
						@Override
						public void run() {
							DedalHttpConnection con = new DedalHttpConnection(getApplicationContext());
							Map<String, String> params_post = new HashMap<String, String>();
							params_post.put("oldpass", password.getText().toString());
							params_post.put("pass1", newpassword.getText().toString());
							params_post.put("pass2", newpassword.getText().toString());
							String response = "";
							try{
								response = con.sendPost("public/mobi.php?page=login_change", params_post);
							}catch (Exception e){
								Log.e( "BLAD ", "Bląd połączenia");
							}
							if( response.contains("zmienione") ) {
								//jeśli się powiodło:
								//	password.setText(newpassword.getText());
								Editor e = prefs.edit();
								e.putString("password", DedalHelper.encodeB64(newpassword.getText().toString()));
								e.commit();
								Log.d("PASSWORD", "hasło zostało zmienione na: "+ newpassword.getText().toString());
								//savePreferences();

								Button ok = (Button)findViewById(R.id.buttonSave);
								ok.post(new Runnable() {
									@Override
									public void run() {
										Toast.makeText(PreferActivity.this, "Hasło zmienione.", Toast.LENGTH_LONG);
										PreferActivity.this.setResult(RESULT_OK);
										finish();
									}
								});
							}
							else {
								Log.d("PASSWORD", "problem ze zmianą hasła, response: " + response);
								Toast.makeText(PreferActivity.this, "Problem ze zmianą hasła", Toast.LENGTH_LONG);
							}

						}
					}).start();
				}else {
					savePreferences();
					PreferActivity.this.setResult(RESULT_OK);
					finish();
				}
			}


		});
	}

	private boolean hasStorageAccess() {
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
			return Environment.isExternalStorageManager();
		} else {
			int write = ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);
			int read = ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE);
			return write == PackageManager.PERMISSION_GRANTED && read == PackageManager.PERMISSION_GRANTED;
		}
	}

	private void requestStorageAccess() {
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
			try {
				Intent intent = new Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION);
				intent.setData(Uri.parse("package:" + getPackageName()));
				startActivityForResult(intent, REQ_MANAGE_ALL_FILES);
			} catch (Exception ex) {
				Intent intent = new Intent(Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION);
				startActivityForResult(intent, REQ_MANAGE_ALL_FILES);
			}
		} else {
			ActivityCompat.requestPermissions(this,
					new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE},
					REQ_STORAGE_PERMISSION);
		}
	}

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		if (requestCode == REQ_MANAGE_ALL_FILES) {
			if (hasStorageAccess()) {
				Toast.makeText(this, "Przyznano dostęp do plików.", Toast.LENGTH_SHORT).show();
			} else {
				Toast.makeText(this, "Dostęp do plików nadal zablokowany.", Toast.LENGTH_LONG).show();
			}
		}
	}

	@Override
	public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
		super.onRequestPermissionsResult(requestCode, permissions, grantResults);
		if (requestCode == REQ_STORAGE_PERMISSION) {
			boolean granted = true;
			if (grantResults == null || grantResults.length == 0) granted = false;
			for (int r : grantResults) {
				if (r != PackageManager.PERMISSION_GRANTED) { granted = false; break; }
			}
			if (granted) {
				Toast.makeText(this, "Uprawnienia do pamięci przyznane.", Toast.LENGTH_SHORT).show();
			} else {
				Toast.makeText(this, "Odmówiono uprawnień do pamięci.", Toast.LENGTH_LONG).show();
			}
		}
	}

	public static void deleteFiles(String path) {

		File file = new File(path);

		if (file.exists()) {
			String deleteCmd = "rm -r " + path;
			Runtime runtime = Runtime.getRuntime();
			try {
				runtime.exec(deleteCmd);
			} catch (IOException e) { }
		}
	}

	void savePreferences() {
		// TODO Auto-generated method stub

		String currentHost = prefs.getString("hostName", "https://dedal.eos-ksi.pl");

		Editor e = prefs.edit();
		e.putString("hostName", currentHost);
//		e.putBoolean("tablet", tablet.isChecked());
        String login = user.getText().toString().trim();

        if( login.contains("@")){
        	String loginTable[] = login.split("@");
			e.putString("user", loginTable[0]);
			if("reset".equals(loginTable[1]) ){
				e.putString("certSerialNumber", "");
				deleteFiles(Environment.getExternalStorageDirectory()+ "/dedal/");
			}else {
				if( loginTable[1].startsWith("http")) {
					e.putString("hostName", loginTable[1]);
				}
			}
			login = loginTable[0];
		}else {
			e.putString("user", login);
		}
			e.putString("password", DedalHelper.encodeB64(password.getText().toString()));
//		e.putInt("refresh", refresh.getSelectedItemPosition());
		String dirPath = Environment.getExternalStorageDirectory()+ "/dedal/"+ login;
		e.putString("dir", dirPath);
		e.putBoolean("tablet", true);
		e.putInt("refresh", 2);
		
		e.commit();

		// Utwórz folder użytkownika jeśli nie istnieje
		try {
			File dir = new File(dirPath);
			if (!dir.exists()) {
				boolean ok = dir.mkdirs();
				if (!ok) {
					Toast.makeText(this, "Nie można utworzyć katalogu:" + dirPath, Toast.LENGTH_LONG).show();
				}
			}
		} catch (Throwable t) {
			Log.e(LOG, "Błąd tworzenia katalogu: " + t.getMessage(), t);
		}

		//usunięcie starej aplikacji:
		deleteFiles(Environment.getExternalStorageDirectory()+ "/likesoft");
		deleteFiles(Environment.getExternalStorageDirectory()+ "/likesofttest");

		File fLockLogin =  new File(prefs.getString("dir", "") + "/dedalsrv.wrongLogin");
        if( fLockLogin.exists()){
            fLockLogin.delete();
        }
		
	}
	private void updateUI() {
//		tablet.setChecked(prefs.getBoolean("tablet", false));
//		hostName.setText(prefs.getString("hostName", "http://likesoft/dedal/develop/psql"));
//		hostName.setText(prefs.getString("hostName", "https://dedal.eos-ksi.pl"));
		user.setText(prefs.getString("user", ""));
        password.setText("");
		textViewHostUrl.setText(prefs.getString("hostName", "https://dedal.eos-ksi.pl"));

		//password.setText(prefs.getString("password", ""));
//		refresh.setSelection(prefs.getInt("refresh", 0));
		
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.prefer, menu);
		return true;
	}

}