package com.SalmanDev.BluetoothInfo;

import android.content.Context;
import android.content.BroadcastReceiver;
import android.content.Intent;
import android.content.IntentFilter;
import android.app.Activity;
import android.util.Log;
import android.bluetooth.BluetoothAdapter;
import com.google.appinventor.components.annotations.*;
import com.google.appinventor.components.runtime.*;
import com.google.appinventor.components.runtime.Form;
import com.google.appinventor.components.runtime.EventDispatcher;
import com.google.appinventor.components.runtime.OnDestroyListener;
import com.google.appinventor.components.runtime.OnResumeListener;
import com.google.appinventor.components.runtime.OnStopListener;
import com.google.appinventor.components.common.ComponentCategory;

@DesignerComponent(version = 1,  description = "Created by Salman Developer",
        category = ComponentCategory.EXTENSION,
        nonVisible = true,   iconName = "https://img.icons8.com/color-glass/16/000000/bluetooth.png")

@UsesPermissions(permissionNames = "android.permission.BLUETOOTH, android.permission.BLUETOOTH_ADMIN, android.permission.ACCESS_FINE_LOCATION")

@SimpleObject(external = true)
public class BluetoothInfo extends AndroidNonvisibleComponent implements OnResumeListener, OnStopListener, OnDestroyListener {
    private ComponentContainer container;
    private Activity activity;
    private Form form;
    private Context context;
    private boolean listening;

    private int state, scanMode, connectionState;
    private String name;

    public BluetoothInfo(ComponentContainer container) {
        super(container.$form());
        this.container = container;
        form = container.$form();
        form.registerForOnStop(this);
        form.registerForOnResume(this);
        form.registerForOnDestroy(this);
        activity = (Activity) container.$context();
        context = (Context) container.$context();
        startListeningBluetooth();
    }


    private void startListeningBluetooth() {
        if (!listening) {
            IntentFilter intentFilter = new IntentFilter();
            intentFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
            intentFilter.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED);
            intentFilter.addAction(BluetoothAdapter.ACTION_LOCAL_NAME_CHANGED);
            intentFilter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED);
            activity.registerReceiver(bluetoothReceiver, intentFilter);
            listening = true;
        }
    }

    private void stopListeningBluetooth() {
        if (listening) {
            activity.unregisterReceiver(bluetoothReceiver);
            listening = false;
        }
    }


    public void onResume() {
        startListeningBluetooth();
    }

    public void onStop() {
        stopListeningBluetooth();
    }

    public void onDestroy() {
        stopListeningBluetooth();
    }


    private BroadcastReceiver bluetoothReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            switch (intent.getAction()) {
                case BluetoothAdapter.ACTION_STATE_CHANGED:
                    state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
                    break;
                case BluetoothAdapter.ACTION_SCAN_MODE_CHANGED:
                    scanMode = intent.getIntExtra(BluetoothAdapter.EXTRA_SCAN_MODE, BluetoothAdapter.ERROR);
                    break;
                case BluetoothAdapter.ACTION_LOCAL_NAME_CHANGED:
                    name = intent.getStringExtra(BluetoothAdapter.EXTRA_LOCAL_NAME);
                    break;
                case BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED:
                    connectionState = intent.getIntExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE, BluetoothAdapter.ERROR);
                    break;
            }
            Changed(state, name, scanMode, connectionState);
        }
    };

    @SimpleEvent(description = "")
    public void Changed(int state, String name, int scanMode, int connectionState) {
        EventDispatcher.dispatchEvent(this, "Changed", state, name, scanMode, connectionState);
    }


    @SimpleFunction(description = "")
    public String GetAddress() {
        BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        return bluetoothAdapter.getAddress();
    }

    @SimpleFunction(description = "")
    public String GetName() {
        BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        return bluetoothAdapter.getName();
    }

    @SimpleFunction(description = "")
    public int GetState() {
        BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        return bluetoothAdapter.getState();
    }

    @SimpleFunction(description = "")
    public int GetScanMode() {
        BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        return bluetoothAdapter.getScanMode();
    }

    @SimpleFunction(description = "")
    public boolean IsAvailable() {
        BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        boolean result = (bluetoothAdapter == null) ? false : true ;
        return result;
    }

    @SimpleFunction(description = "")
    public boolean IsValidAddress(String address) {
        return BluetoothAdapter.checkBluetoothAddress(address);
    }

    @SimpleFunction(description = "")
    public boolean IsEnabled() {
        BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        return bluetoothAdapter.isEnabled();
    }


}