package eu.deki.paste;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.os.Bundle;
import android.widget.Spinner;
import android.widget.EditText;
import android.widget.ArrayAdapter;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MenuInflater;
import android.content.Intent;
import android.content.ContentResolver;
import android.net.Uri;
import java.io.InputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.FileNotFoundException;
import eu.deki.paste.PasteTask;
import eu.deki.paste.DekiEuPaste;

/*
 * TODO:
 * - menu: open browser with url?
 * - more paste services
 */

public class MainActivity extends Activity
{
    private EditText titleText;
    private EditText contentText;
    private Spinner expirationSpinner;
    private PasteTask pasteTask;

    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

	titleText = (EditText) findViewById(R.id.paste_title);
	contentText = (EditText) findViewById(R.id.paste_content);
	expirationSpinner = (Spinner) findViewById(R.id.expiration);

	pasteTask = new DekiEuPaste(this);

	ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_spinner_item, pasteTask.getExpirationTimes());
	expirationSpinner.setAdapter(adapter);

	Intent intent = getIntent();
	if(intent.hasExtra(Intent.EXTRA_TEXT))
	    contentText.setText(intent.getStringExtra(Intent.EXTRA_TEXT));

	if(intent.hasExtra(Intent.EXTRA_STREAM))
	{
	    try {
		Uri uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
		ContentResolver cr = getContentResolver();
		InputStream is = cr.openInputStream(uri);
		ByteArrayOutputStream output = new ByteArrayOutputStream();
		byte[] buffer = new byte[1024];
		int n = 0;
		while((n = is.read(buffer, 0, 1024)) != -1)
		    output.write(buffer, 0, n);
		output.flush();
		contentText.setText(output.toString());
	    } catch(FileNotFoundException ex) {
	    } catch(IOException ex) {
	    } catch(SecurityException ex) {
		// no permissions to read data (e.g. contacts/vcards)
		AlertDialog.Builder builder = new AlertDialog.Builder(this);
		String message = String.format(getResources().getString(R.string.noPermissionContent), ex.getLocalizedMessage());
		builder.setMessage(message);
		builder.setTitle(R.string.noPermissionTitle);
		builder.setPositiveButton("OK", null);
		builder.create().show();
	    }
	}
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
	MenuInflater inflater = getMenuInflater();
	inflater.inflate(R.menu.main, menu);
	return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item)
    {
	switch(item.getItemId())
	{
	    case R.id.clear_text:
		clear_text();
		break;
	    default:
		return super.onOptionsItemSelected(item);
	}

	return true;
    }

    private void clear_text()
    {
	titleText.setText("");
	contentText.setText("");
    }

    public void onPasteButtonClick(View view)
    {
	// TODO: check network status?
	
	String title = titleText.getText().toString();
	String content = contentText.getText().toString();
	String expiration = expirationSpinner.getSelectedItem().toString();
	
	pasteTask.execute(title, content, expiration);

	// new instance, because task must only be executed once
	pasteTask = new DekiEuPaste(this);
    }
}