package com.act.weathertasks.activities;

import java.util.ArrayList;
import java.util.GregorianCalendar;

import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.act.weathertasks.R;
import com.act.weathertasks.database.DatabaseAdapter;
import com.act.weathertasks.objects.Task;
import com.act.weathertasks.objects.TasksCore;
import com.act.weathertasks.objects.Weather;
import com.act.weathertasks.weather.WeatherGetter;

public class StartupActivity extends Activity {
	private DatabaseAdapter databaseAdapter;
	private ArrayList<Task> tasks;
	private ProgressBar progressBar;
	private TextView progressLabel;

	public SharedPreferences prefs;
	private String username = null;
	private String password = null;

	public void onCreate(Bundle savedInstanceState){
		super.onCreate(savedInstanceState);
		setContentView(R.layout.startup);

		prefs = PreferenceManager.getDefaultSharedPreferences(this);

		progressLabel = (TextView) findViewById(R.id.startupLabel);
		progressBar = (ProgressBar) findViewById(R.id.startupBar);

		databaseAdapter = new DatabaseAdapter(this);

        DataParser dataParser = new DataParser();
        dataParser.execute();

		if (prefs.getString("USERNAME", null) == null || prefs.getString("PASSWORD", null) == null) {
			final Dialog dialog = new Dialog(StartupActivity.this);
			dialog.setContentView(R.layout.login);
			dialog.setTitle("Login");
			dialog.setCancelable(true);
			Button loginButton = (Button) dialog.findViewById(R.id.loginButton);
			Button cancelButton = (Button) dialog.findViewById(R.id.cancelButton);
			final EditText usernameText = (EditText) dialog.findViewById(R.id.usernameText);
			final EditText passwordText = (EditText) dialog.findViewById(R.id.passwordText);
			loginButton.setOnClickListener(new OnClickListener() {
				public void onClick(View t) {
					username = usernameText.getText().toString();
					password = passwordText.getText().toString();
					dialog.dismiss();
				}
			});
			cancelButton.setOnClickListener(new OnClickListener() {
				public void onClick(View t) {
					dialog.dismiss();
				}
			});
			dialog.show();


			SharedPreferences.Editor editor =  prefs.edit();
			editor.putString("USERNAME", username);
			editor.putString("PASSWORD", password);
			editor.commit();
		} else {
			username = prefs.getString("USERNAME", null);
			password = prefs.getString("PASSWORD", null);
		}

		/*
		try {
			login()
		} catch (Failed login) {
			// give login screen again with toast of incorrect data
		}
		*/
	}

	public final class DataParser extends AsyncTask<Object, String, String> {

		@Override
		protected String doInBackground(Object... params) {
			publishProgress("Initializing: 0%");

			GregorianCalendar date = new GregorianCalendar();

			Task task1 = new Task("Task1", "location:sdk#weather:rain#temp:25#wind:0", date, date);
			Task task2 = new Task("Task2", "location:sdk#weather:sunny#temp:-5#wind:30", date,date);
			Task task3 = new Task("Task3", "location:asf#weather:rain#temp:20", date,date);
			Task task4 = new Task("Task4", "location:asf#weather:fog", date,date);
			Task task5 = new Task("Task5", "location:helsinki#weather:cloudy#temp:6", date,date);
			Task task6 = new Task("Task6", "location:helsinki", date,date);
			Task task7 = new Task("Task7", "location:almelo#weather:clear", date,date);
			Task task8 = new Task("Task8", "location:almelo#weather:cloudy#wind:14", date,date);
			Task task9 = new Task("Task9", "location:amsterdam#weather:fog", date,date);
			Task task10 = new Task("Task10", "location:amsterdam#weather:rain#temp:30#wind:40", date,date);

			publishProgress("Loaded tasks: 33%");
			progressBar.setProgress(33);

			databaseAdapter.insertTask(task1);
			databaseAdapter.insertTask(task2);
			databaseAdapter.insertTask(task3);
			databaseAdapter.insertTask(task4);
			databaseAdapter.insertTask(task5);
			databaseAdapter.insertTask(task6);
			databaseAdapter.insertTask(task7);
			databaseAdapter.insertTask(task8);
			databaseAdapter.insertTask(task9);
			databaseAdapter.insertTask(task10);

			publishProgress("Inserted tasks: 67%");
			progressBar.setProgress(67);

			tasks = databaseAdapter.getAllTasks();

			int progress = 67;
			for (Task t : tasks) {
				if (hasInternet()) {
					t.setWeather(WeatherGetter.getWeather(t.getDescriptionObject().getLocation()));
				} else {
					t.setWeather(new Weather("?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?"));
				}
				databaseAdapter.insertWeatherForTask(t);
				progress = progress + (33/tasks.size());
				publishProgress("Getting weather: " + progress + "%");
				progressBar.setProgress(progress);
			}

			publishProgress("Done: 100%");
			progressBar.setProgress(100);

			TasksCore.fillTasks(tasks);
			return "DONE";
		}

		@Override
		protected void onProgressUpdate(String... params) {
			progressLabel.setText(params[0]);
		}

		@Override
		protected void onPostExecute(String params) {
			new Handler().post(finishMain);
		}

	}

	private Runnable finishMain = new Runnable() {
		public void run() {
			Intent i = new Intent(getApplicationContext(), TabLayoutActivity.class);
			startActivity(i);
			finish();
		}
	};

	public boolean hasInternet() {
		ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
		NetworkInfo netInfo = cm.getActiveNetworkInfo();
		if (netInfo != null && netInfo.isConnectedOrConnecting()) {
			return true;
		}
		return false;
	}
}