package dk.thoerup.smssend;

import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.util.ArrayList;

import android.R.bool;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.telephony.SmsManager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.Toast;
import android.widget.AdapterView.OnItemSelectedListener;

public class SmsSend extends Activity {
	/** Called when the activity is first created. */

	final int MAXCOUNT = 25;
	final String SMSDAEMON = "42407617";
	
	final int OPTIONS_SETTINGS = 1000;
	
	final int LOOKUP_PHONENR = 2000;

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

		Button select = (Button) findViewById(R.id.selectNumber);
		select.setOnClickListener( selectListener );

		Button send = (Button) findViewById(R.id.send);
		send.setOnClickListener(sendListener);



		Spinner method = (Spinner) findViewById(R.id.method);
		ArrayAdapter<?> adapter = ArrayAdapter.createFromResource(this, R.array.methods, android.R.layout.simple_spinner_item);
		adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
		method.setOnItemSelectedListener(methodSelected);
		method.setAdapter(adapter);
		method.setSelection(0);
		
	}
	
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		MenuItem item;
		
		item = menu.add(0, OPTIONS_SETTINGS, 0, "Settings");
		item.setIcon(android.R.drawable.ic_menu_edit);
		
		return true;
	}
	
	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		boolean retval = true;

		//TODO: Cleanup
		switch (item.getItemId()) {
		case OPTIONS_SETTINGS:
			Intent i = new Intent(this, dk.thoerup.smssend.SmsConfig.class);
			startActivity(i);
			break;
		default:
			retval = super.onOptionsItemSelected(item);		
		}
		return retval;
		
	}
	
	

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		
		switch(requestCode) {
		case LOOKUP_PHONENR:
			if (resultCode == Activity.RESULT_OK) {
				String phone = data.getStringExtra("phone");
				EditText dest = (EditText) findViewById(R.id.destination);
				dest.setText(phone);				
			}
			break;
		}
	}

	void lookup() {
		
        Intent intent = new Intent(Intent.ACTION_PICK);
        intent.setType(ContactsContract.CommonDataKinds.Phone.CONTENT_TYPE);

        startActivityForResult(intent, LOOKUP_PHONENR);
		


/*
		Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI, 
				null, null, null, null); 
		while (cursor.moveToNext()) { 
			String contactId = cursor.getString(cursor.getColumnIndex( 
					ContactsContract.Contacts._ID)); 
			String hasPhone = cursor.getString(cursor.getColumnIndex( 
					ContactsContract.Contacts.HAS_PHONE_NUMBER));
			String name = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));

			Log.v("contact", name + " : " + hasPhone);



			if (Integer.parseInt(hasPhone) > 0) { 
				// You know have the number so now query it like this
				Cursor phones = getContentResolver().query( 
						ContactsContract.CommonDataKinds.Phone.CONTENT_URI, 
						null, 
						ContactsContract.CommonDataKinds.Phone.CONTACT_ID +" = "+ contactId, 
						null, null); 
				while (phones.moveToNext()) {
					int phoneIdx = phones.getColumnIndex( ContactsContract.CommonDataKinds.Phone.NUMBER); 
					String phoneNumber = phones.getString( phoneIdx );
					Log.v("phone", phoneNumber);

				} 
				phones.close(); 
			} 

		} 
		cursor.close();
*/

	}

	OnClickListener selectListener = new OnClickListener() {
		@Override
		public void onClick(View v) {	
			lookup();
		}
	};	


	OnClickListener sendListener = new OnClickListener() {
		@Override
		public void onClick(View v) {
			Spinner method = (Spinner) findViewById(R.id.method);
			int sel = method.getSelectedItemPosition();
			
			boolean ret = false; 

			switch (sel) {
			case 0:
				ret = sendInternal();
				break;
			case 1:
				ret = sendCoolSms();
				break;
			case 2:
				ret = sendSmsDaemon();
				break;						

			}

			String msg = "Done!";
			if (ret == false)
				msg = "failed!";
			
			Toast.makeText(SmsSend.this, msg, Toast.LENGTH_LONG).show();

		}
	};

	int getCount() {
		EditText countView = (EditText) findViewById(R.id.count);
		String strCount = countView.getText().toString();

		int count = Integer.parseInt(strCount);

		return Math.min(count, MAXCOUNT); //limit to MAXCOUNT
	}

	int getInterval() {
		EditText intView = (EditText) findViewById(R.id.interval);
		String strInt = intView.getText().toString();

		return Integer.parseInt(strInt);
	}
	
	String getFrom() {
		EditText origin = (EditText) findViewById(R.id.origin);
		return origin.getText().toString().trim();
	}
	
	String getTo() {
		EditText destination = (EditText) findViewById(R.id.destination);
		String to = destination.getText().toString().trim();
		
		to = to.replace("+", "");
		if (to.length() < 10) {
			to = "45" + to;
		}
		return to;
	}

	String getMessage() {
		EditText message = (EditText) findViewById(R.id.message);
		return message.getText().toString().trim();
	}

	boolean sendInternal() {		
		int count = getCount(); 		
		String to = getTo();

		SmsManager sms = SmsManager.getDefault();
		ArrayList<String> parts = sms.divideMessage(getMessage() );

		for (int i=0; i<count; i++) {
			sms.sendMultipartTextMessage(to, null, parts, null, null);
		}
		
		return true;
	}
	
	boolean isNumeric(String str) {
		for (int i=0; i<str.length(); i++) {
			char c = str.charAt(i);
			if (! Character.isDigit(c) ) 
				return false;
		}
		
		return true;
	}
	
	String encode(String url) {
		try {
			return URLEncoder.encode(url, "UTF-8");
		} catch (Exception e) {
			return url;
		}
	}

	boolean sendCoolSms() {
		SharedPreferences prefs = this.getSharedPreferences("SmsSend", MODE_PRIVATE);
		String user = prefs.getString("cooluser", "");
		String pass = prefs.getString("coolpass", "");
		
		if (user.equals("") || pass.equals("")) {
			Toast.makeText(this, "No username or password set!", Toast.LENGTH_LONG).show();
			return false;
		}
		
		if ( isNumeric(getFrom()) ) {
			Toast.makeText(this, "Can not send when 'from' equals a number\nmust add letters", Toast.LENGTH_LONG).show();
			return false;
		}
		
		//"http://sms.coolsmsc.dk:8080/?username=%s&password=%s&to=%s&from=SMS+HTTP+GW&message=hello+world"
		StringBuilder sb = new StringBuilder();
		sb.append("http://sms.coolsmsc.dk:8080/");
		sb.append("?username=").append(user);
		sb.append("&password=").append(pass);
		sb.append("&to=").append( getTo() );
		sb.append("&from=").append( encode(getFrom()) );
		sb.append("&message=").append( encode(getMessage()) );
		
		Log.v("SmsSend", sb.toString());
		
		try {
			URL u = new URL( sb.toString() );
			URLConnection conn =  u.openConnection();
			conn.getInputStream();
			
			
			
		} catch (Exception e) {
			Log.e("SmsSend", "sendCoolSms", e);
			return false;
		}
		
		return true;
	}

	boolean sendSmsDaemon() {

		int count = getCount(); 		
		int interval = getInterval();		
		String to = getTo();

		String msg = "spam " + to + " " + count + " " + interval + " " + getMessage();

		SmsManager sms = SmsManager.getDefault();		
		ArrayList<String> parts = sms.divideMessage(msg);


		sms.sendMultipartTextMessage(SMSDAEMON, null, parts, null, null);

		return true;
	}

	OnItemSelectedListener methodSelected = new OnItemSelectedListener() {
		public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
			switch (pos) {
			case 0:
				findViewById(R.id.interval).setEnabled(false);
				findViewById(R.id.origin).setEnabled(false);
				findViewById(R.id.count).setEnabled(true);
				break;
			case 1:
				findViewById(R.id.interval).setEnabled(false);
				findViewById(R.id.origin).setEnabled(true);
				findViewById(R.id.count).setEnabled(false);
				break;
			case 2:
				findViewById(R.id.interval).setEnabled(true);
				findViewById(R.id.origin).setEnabled(false);
				findViewById(R.id.count).setEnabled(true);
				break;
			}
		}

		@Override
		public void onNothingSelected(AdapterView<?> arg0) {
			
		}		
	};

}