package ordo.azurewebsites.net.ordo;

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.design.widget.FloatingActionButton;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
import android.support.v4.content.ContextCompat;
import android.support.v7.widget.Toolbar;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;

public class ScanFragment extends Fragment {
    private FloatingActionButton mScanButton;
    private static final int ZXING_CAMERA_PERMISSION = 1;
    private Class<?> mClss;

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_scan,container,false);


        mScanButton = view.findViewById(R.id.scan_button);

        mScanButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                launchSimpleActivity(view);
            }
        });

//        mScanButton.setOnClickListener(new View.OnClickListener() {
//            @Override
//            public void onClick(View view) {
//                Intent intent = new Intent(getActivity(), ScanQRActivity.class);
//                startActivity(intent);
//            }
//        });
        return view;
    }


    public void launchSimpleActivity(View v) {
        launchActivity(SimpleScannerActivity.class);
    }

    public void launchActivity(Class<?> clss) {
        if (ContextCompat.checkSelfPermission(this.getContext(), android.Manifest.permission.CAMERA)
                != PackageManager.PERMISSION_GRANTED) {
            mClss = clss;
            ActivityCompat.requestPermissions(this.getActivity(),
                    new String[]{Manifest.permission.CAMERA}, ZXING_CAMERA_PERMISSION);
        } else {
            Intent intent = new Intent(this.getContext(), clss);
            startActivity(intent);
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode,  String permissions[], int[] grantResults) {
        switch (requestCode) {
            case ZXING_CAMERA_PERMISSION:
                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    if(mClss != null) {
                        Intent intent = new Intent(this.getContext(), mClss);
                        startActivity(intent);
                    }
                } else {
                    Toast.makeText(this.getContext(), "Please grant camera permission to use the QR Scanner", Toast.LENGTH_SHORT).show();
                }
                return;
        }
    }
}