package dk.thoerup.pictureposter;

import java.io.File;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Intent;
import android.database.Cursor;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

public class PostActivity extends Activity implements LocationListener {
	static final int IMAGE_PICK = 1000;
	
	ImageView picture;
	String media_path;
	TextView title;
	TextView note;
	
	Location currentLocation;
	LocationManager locManager;
	
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        picture = (ImageView) findViewById(R.id.picture);
        title = (TextView) findViewById(R.id.title);
        note = (TextView) findViewById(R.id.note);
        
        Button changePicture = (Button) findViewById(R.id.changePicture);
        changePicture.setOnClickListener( new OnClickListener() {
			public void onClick(View v) {				
				changePicture();
			}
        });
        
        Button submit = (Button) findViewById(R.id.submit);
        submit.setOnClickListener( new OnClickListener() {
			public void onClick(View v) {				
				submit();
			}        	
        });
        
        locManager = (LocationManager) getSystemService(LOCATION_SERVICE);
        Criteria c = new Criteria();
        c.setAccuracy(Criteria.ACCURACY_FINE);
        String provider = locManager.getBestProvider(c, true);        
        locManager.requestLocationUpdates(provider, 10, 0.0f, this);
        
    }
    
    
    
    
    @Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    	super.onActivityResult(requestCode, resultCode, data);
    	
    	switch(requestCode) {
    	case IMAGE_PICK:
    		imagePicked(resultCode,data);
    		break;
    	}
		
	}


    void imagePicked(int resultCode,Intent data) {
    	Log.i("PostActivity", "ResultCode " + resultCode); 
    	
    	if (resultCode != 0) {
    		Log.i("PostActivity", data.getDataString());
    		Cursor c = managedQuery(data.getData(),null,null,null,null) ;
    		
    		if( c.moveToFirst() ) {
    			media_path = c.getString(1) ;
    			Log.i("PostActivity", media_path);
    			picture.setImageURI( Uri.parse(media_path) );
    		} else {
    			picture.setImageDrawable(null);
    		}
    	}
    }

	void changePicture() {
    	
    	Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
    	intent.setType("image/*");
    	startActivityForResult(intent, IMAGE_PICK);
    }
 
	void submit() {
		String titleStr = title.getText().toString();
		String noteStr = note.getText().toString();
		
		if (titleStr.trim().length() == 0) {
			Toast.makeText(PostActivity.this, "Please enter a title", Toast.LENGTH_LONG).show();
			return;
		}
		if (noteStr.trim().length() == 0) {
			Toast.makeText(PostActivity.this, "Please enter a note", Toast.LENGTH_LONG).show();
			return;
		}
		
		if (media_path == null || media_path.length() == 0) {
			Toast.makeText(PostActivity.this, "Please select an picture", Toast.LENGTH_LONG).show();
			return;
		}
		
		UploaderTask task = new UploaderTask();
		task.execute();
	}

	



	@Override
	public void onLocationChanged(Location location) {
		currentLocation = location;
		locManager.removeUpdates(this);
	}

	@Override
	public void onProviderDisabled(String provider) {
	}

	@Override
	public void onProviderEnabled(String provider) {
	}

	@Override
	public void onStatusChanged(String provider, int status, Bundle extras) {
	}
	
	class UploaderTask extends AsyncTask<Void, Void, Boolean> {
		String titleStr;
		String noteStr;

		Dialog dlg;

		@Override
		protected void onPreExecute() {
			super.onPreExecute();
			titleStr = title.getText().toString();
			noteStr = note.getText().toString();
			
			dlg = ProgressDialog.show(PostActivity.this, "PicturePoster", "Uploading data");
		}

		@Override
		protected Boolean doInBackground(Void... params) {
			HttpPost post = new HttpPost("http://app.t-hoerup.dk/PicturePosterService/PostServlet");
			
			

			MultipartEntity entity = new MultipartEntity();
			
			entity.addPart("file", new FileBody( new File(media_path), "image/jpeg")  );
			
			try {
				boolean hasLoc = currentLocation != null;
				List<NameValuePair> data = new ArrayList<NameValuePair>();
				data.add( new BasicNameValuePair("title", titleStr) );
				data.add( new BasicNameValuePair("note", noteStr) );
				
				data.add( new BasicNameValuePair("latitude", hasLoc ? Float.toString((float)currentLocation.getLatitude()) : "") );
				data.add( new BasicNameValuePair("longitude", hasLoc ? Float.toString((float)currentLocation.getLongitude()) : "" ) );
				
				String encoded = URLEncodedUtils.format(data, "UTF-8");
				entity.addPart("text", new StringBody(encoded, URLEncodedUtils.CONTENT_TYPE, Charset.forName("UTF-8") ));
			} catch (Exception e) {
				Log.e("asdasd","asdasdasd",e);
			}
			
			
			post.setEntity(entity);
			boolean ok = false;
			HttpClient client = new DefaultHttpClient();
			try {
				HttpResponse resp = client.execute(post);
				Log.d("PostActivity", "" + resp.getStatusLine().getStatusCode() + ": " + resp.getStatusLine().getReasonPhrase() );
				if (resp.getStatusLine().getStatusCode() == 200) {
					ok = true;
				} 
				
			} catch (Exception e) {
				Log.d("PostActivity", "upload failed", e);
			}
			return ok;

		}
		@Override
		protected void onPostExecute(Boolean result) {
			super.onPostExecute(result);
			
			dlg.dismiss();
			
			if (result == true) {
				Toast.makeText(PostActivity.this, "Upload succeeded", Toast.LENGTH_LONG).show();
			} else {
				Toast.makeText(PostActivity.this, "Upload failed", Toast.LENGTH_LONG).show();
			}
		}
	}
}