import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;
import android.widget.Toast;

import static android.content.Intent.*;

public class MainActivity extends AppCompatActivity {

    static final int PICK_FILE = -1;
    String sciezka = "cos na poczatek";
    private static final String TAG1 = "TAG1_INTENT";
    private static final String TAG2 = "TAG2_ON_ACTIVITY_RESULT";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        pickFile();
        TextView tv = new TextView(this);
        tv.setText(sciezka);
        setContentView(tv);


    }

    private void pickFile(){
        //Toast.makeText(this, sciezka, Toast.LENGTH_SHORT).show();
        Log.d(TAG1, "Tworzenie nowego intenta");
        Intent intent = new Intent();
        Log.d(TAG1, "ustawianie typow");
        intent.setType("*/*");
        Log.d(TAG1, "ustawienie akcji na get_content");
        intent.setAction(ACTION_GET_CONTENT);
        Log.d(TAG1, "Odpalanie intenta");
        try{
            startActivityForResult(Intent.createChooser(intent, "Wybierz plik"), PICK_FILE);
        } catch (android.content.ActivityNotFoundException anfe){
            Toast.makeText(this, "Zainstaluj przeglądarke plików", Toast.LENGTH_SHORT);
            Log.d(TAG1, "Brak przeglądarki plików");
        } catch (Exception e){
            Log.d(TAG1, "No odpalenie intenta nie zadziałało");
        }
        Toast.makeText(this, "nanana batman", Toast.LENGTH_SHORT);

    }

    @Override
    protected void onActivityResult(int reqCode, int resCode, Intent data){
        Log.d(TAG2, "Pierwszy if - reqCode == PICK_FILE");
        if(reqCode == PICK_FILE){
            Log.d(TAG2, "Drugi if - resCode == RESULT_CANCELED");
            if(resCode == RESULT_CANCELED){
                Log.d(TAG2, "wywolanie RESULT_CANCELED - na pewno ok?");
            }

            if(resCode == RESULT_OK){
                Log.d(TAG2, "No to jestesmy w resCode == RESULT_OK, pobieranie danych o selectedFile, tworzenie uri selectedFile");
                Uri selectedFile = null;
                Log.d(TAG2, "proba pobrania danych do selectedFile");
                try{
                    selectedFile = data.getData();
                } catch (Exception e){
                    Log.d(TAG2, "Cos nie zabanglalo i nie pobralo info");
                }
                Log.d(TAG2, "dane pobralo poprawnie, ustawianie path na sciezeczka");
                String path = "sciezeczka";
                Log.d(TAG2, "proba pobrania sciezeczki do pliczku");
                try{
                    path = getFilePath(getApplicationContext(), selectedFile);
                } catch (Exception e){
                    Log.d(TAG2, "nope, nie pobralo sciezki");
                    path = "No i kiszka";
                }
                Log.d(TAG2, "wypisanie patha");
                System.out.println(path);

            }
        } else {
            Log.d(TAG2, "No i pierwszy if nie byl true");
        }
        Log.d(TAG2, "wyswietlenie toasta - tylko z czym?");
        Toast.makeText(this, sciezka, Toast.LENGTH_SHORT).show();
    }

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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    public String getFilePath(Context context, Uri uri){

        return "cos";
    }
}