/*  Copyright (C) 2016-2017 Andreas Shimokawa, Carsten Pfeiffer, Daniele
    Gobbetti

    This file is part of Gadgetbridge.

    Gadgetbridge is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published
    by the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Gadgetbridge is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.activities;

import android.Manifest;
import android.annotation.TargetApi;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.graphics.Canvas;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.NavigationView;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.app.AppCompatDelegate;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.support.v7.widget.helper.ItemTouchHelper;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import de.cketti.library.changelog.ChangeLog;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.adapter.GBDeviceAdapterv2;
import nodomain.freeyourgadget.gadgetbridge.devices.DeviceManager;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.util.AndroidUtils;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
import nodomain.freeyourgadget.gadgetbridge.util.Prefs;

import static de.cketti.library.changelog.ChangeLog.DEFAULT_CSS;

//TODO: extend GBActivity, but it requires actionbar that is not available
public class ControlCenterv2 extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    //needed for KK compatibility
    static {
        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true);
    }

    private DeviceManager deviceManager;
    private ImageView background;

    private List<GBDevice> deviceList;
    private GBDeviceAdapterv2 mGBDeviceAdapter;
    private RecyclerView deviceListView;

    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            switch (action) {
                case GBApplication.ACTION_LANGUAGE_CHANGE:
                    setLanguage(GBApplication.getLanguage());
                    break;
                case GBApplication.ACTION_QUIT:
                    finish();
                    break;
                case DeviceManager.ACTION_DEVICES_CHANGED:
                    refreshPairedDevices();
                    break;
            }
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        if (GBApplication.isDarkThemeEnabled()) {
            setTheme(R.style.GadgetbridgeThemeDark_NoActionBar);
        } else {
            setTheme(R.style.GadgetbridgeTheme_NoActionBar);
        }

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_controlcenterv2);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                launchDiscoveryActivity();
            }
        });

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                this, drawer, toolbar, R.string.controlcenter_navigation_drawer_open, R.string.controlcenter_navigation_drawer_close);
        drawer.setDrawerListener(toggle);
        toggle.syncState();

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);

        //end of material design boilerplate
        deviceManager = ((GBApplication) getApplication()).getDeviceManager();

        deviceListView = (RecyclerView) findViewById(R.id.deviceListView);
        deviceListView.setHasFixedSize(true);
        deviceListView.setLayoutManager(new LinearLayoutManager(this));
        background = (ImageView) findViewById(R.id.no_items_bg);

        deviceList = deviceManager.getDevices();
        mGBDeviceAdapter = new GBDeviceAdapterv2(this, deviceList);

        deviceListView.setAdapter(this.mGBDeviceAdapter);

        ItemTouchHelper swipeToDismissTouchHelper = new ItemTouchHelper(new ItemTouchHelper.SimpleCallback(
                ItemTouchHelper.LEFT , ItemTouchHelper.RIGHT) {
            @Override
            public void onChildDraw(Canvas c, RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState, boolean isCurrentlyActive) {
                if(dX>50)
                    dX = 50;
                super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);

            }

            @Override
            public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
                GB.toast(getBaseContext(), "onMove", Toast.LENGTH_LONG, GB.ERROR);

                return false;
            }

            @Override
            public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
                GB.toast(getBaseContext(), "onSwiped", Toast.LENGTH_LONG, GB.ERROR);

            }

            @Override
            public void onChildDrawOver(Canvas c, RecyclerView recyclerView,
                                        RecyclerView.ViewHolder viewHolder, float dX, float dY,
                                        int actionState, boolean isCurrentlyActive) {
            }
        });

        //uncomment to enable fixed-swipe to reveal more actions
        //swipeToDismissTouchHelper.attachToRecyclerView(deviceListView);


        registerForContextMenu(deviceListView);

        IntentFilter filterLocal = new IntentFilter();
        filterLocal.addAction(GBApplication.ACTION_LANGUAGE_CHANGE);
        filterLocal.addAction(GBApplication.ACTION_QUIT);
        filterLocal.addAction(DeviceManager.ACTION_DEVICES_CHANGED);
        LocalBroadcastManager.getInstance(this).registerReceiver(mReceiver, filterLocal);

        refreshPairedDevices();

        /*
         * Ask for permission to intercept notifications on first run.
         */
        Prefs prefs = GBApplication.getPrefs();
        if (prefs.getBoolean("firstrun", true)) {
            prefs.getPreferences().edit().putBoolean("firstrun", false).apply();
            Intent enableIntent = new Intent("android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS");
            startActivity(enableIntent);
        }
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            checkAndRequestPermissions();
        }

        ChangeLog cl = new ChangeLog(this, (GBApplication.isDarkThemeEnabled() ? "body { color: #ffffff; background-color: #282828; }\n" : "") + DEFAULT_CSS);
        if (cl.isFirstRun()) {
            cl.getLogDialog().show();
        }

        GBApplication.deviceService().start();

        if (GB.isBluetoothEnabled() && deviceList.isEmpty() && Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
            startActivity(new Intent(this, DiscoveryActivity.class));
        } else {
            GBApplication.deviceService().requestDeviceInfo();
        }
    }

    @Override
    protected void onDestroy() {
        unregisterForContextMenu(deviceListView);
        LocalBroadcastManager.getInstance(this).unregisterReceiver(mReceiver);
        super.onDestroy();
    }

    @Override
    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        } else {
            super.onBackPressed();
        }
    }

    @Override
    public boolean onNavigationItemSelected(@NonNull MenuItem item) {

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);

        switch (item.getItemId()) {
            case R.id.action_settings:
                Intent settingsIntent = new Intent(this, SettingsActivity.class);
                startActivity(settingsIntent);
                return true;
            case R.id.action_debug:
                Intent debugIntent = new Intent(this, DebugActivity.class);
                startActivity(debugIntent);
                return true;
            case R.id.action_db_management:
                Intent dbIntent = new Intent(this, DbManagementActivity.class);
                startActivity(dbIntent);
                return true;
            case R.id.action_quit:
                GBApplication.quit();
                return true;
            case R.id.external_changelog:
                ChangeLog cl = new ChangeLog(this, (GBApplication.isDarkThemeEnabled() ? "body { color: #ffffff; background-color: #282828; }\n" : "") + DEFAULT_CSS);
                cl.getFullLogDialog().show();
                return true;
        }

        return true;
    }

    private void launchDiscoveryActivity() {
        startActivity(new Intent(this, DiscoveryActivity.class));
    }

    private void refreshPairedDevices() {
        List<GBDevice> deviceList = deviceManager.getDevices();
        if (deviceList.isEmpty()) {
            background.setVisibility(View.VISIBLE);
        } else {
            background.setVisibility(View.INVISIBLE);
        }

        mGBDeviceAdapter.notifyDataSetChanged();
    }

    @TargetApi(Build.VERSION_CODES.M)
    private void checkAndRequestPermissions() {
        List<String> wantedPermissions = new ArrayList<>();

        if (ContextCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH) == PackageManager.PERMISSION_DENIED)
            wantedPermissions.add(Manifest.permission.BLUETOOTH);
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_ADMIN) == PackageManager.PERMISSION_DENIED)
            wantedPermissions.add(Manifest.permission.BLUETOOTH_ADMIN);
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_DENIED)
            wantedPermissions.add(Manifest.permission.READ_CONTACTS);
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.CALL_PHONE) == PackageManager.PERMISSION_DENIED)
            wantedPermissions.add(Manifest.permission.CALL_PHONE);
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE) == PackageManager.PERMISSION_DENIED)
            wantedPermissions.add(Manifest.permission.READ_PHONE_STATE);
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.PROCESS_OUTGOING_CALLS) == PackageManager.PERMISSION_DENIED)
            wantedPermissions.add(Manifest.permission.PROCESS_OUTGOING_CALLS);
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_SMS) == PackageManager.PERMISSION_DENIED)
            wantedPermissions.add(Manifest.permission.READ_SMS);
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.SEND_SMS) == PackageManager.PERMISSION_DENIED)
            wantedPermissions.add(Manifest.permission.SEND_SMS);
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED)
            wantedPermissions.add(Manifest.permission.READ_EXTERNAL_STORAGE);
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CALENDAR) == PackageManager.PERMISSION_DENIED)
            wantedPermissions.add(Manifest.permission.READ_CALENDAR);

        if (!wantedPermissions.isEmpty())
            ActivityCompat.requestPermissions(this, wantedPermissions.toArray(new String[wantedPermissions.size()]), 0);
    }

    private void setLanguage(Locale language) {
        AndroidUtils.setLanguage(this, language);
    }
}