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;

    private SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    private String username = null;
    private String password = null;

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

        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;
    }
}