package com.ericsson.uecontrol.gui;

import android.app.ActionBar;
import android.app.FragmentManager;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.widget.DrawerLayout;
import android.view.Menu;
import android.view.MenuItem;

import com.ericsson.uecontrol.R;
import com.ericsson.uecontrol.core.UeControlExecutor;
import com.ericsson.uecontrol.core.behaviour.UeBehaviourSleep;
import com.ericsson.uecontrol.core.behaviour.UeBehaviourSurfing;
import com.ericsson.uecontrol.gui.fragments.BehaviourListFragment;
import com.ericsson.uecontrol.gui.fragments.NavigationDrawerFragment;
import com.ericsson.uecontrol.gui.fragments.StatusFragment;

import java.util.ArrayList;


public class MainActivity extends FragmentActivity
        implements NavigationDrawerFragment.NavigationDrawerCallbacks {

    /**
     * Fragment managing the behaviors, interactions and presentation of the navigation drawer.
     */
    private NavigationDrawerFragment navigationDrawerFragment;
    private StatusFragment statusFragment;

    /**
     * Used to store the last screen title. For use in {@link #restoreActionBar()}.
     */
    private CharSequence title;
    private int currentExecutor;

    private static ArrayList<UeControlExecutor> executors;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        navigationDrawerFragment = (NavigationDrawerFragment)
                getFragmentManager().findFragmentById(R.id.navigation_drawer);
        statusFragment = (StatusFragment)
                getFragmentManager().findFragmentById(R.id.status_fragment);
        title = getTitle();

        // Set up the drawer.
        navigationDrawerFragment.setUp(
                R.id.navigation_drawer,
                (DrawerLayout) findViewById(R.id.drawer_layout));

        executors = new ArrayList<UeControlExecutor>();
        currentExecutor = 0;

        UeControlExecutor exec = new UeControlExecutor();
        exec.addBehaviour(new UeBehaviourSleep(1000));
        exec.addBehaviour(new UeBehaviourSurfing("http://google.com"));
        exec.addBehaviour(new UeBehaviourSleep(4000));
        exec.setThroughputListener(statusFragment.getThroughputListener());
        executors.add(exec);
    }

    @Override
    public void onNavigationDrawerItemSelected(int position) {
        // update the main content by replacing fragments
        FragmentManager fragmentManager = getFragmentManager();
        fragmentManager.beginTransaction()
                .replace(R.id.container, BehaviourListFragment.newInstance(position)).commit();
    }

    public void onSectionAttached(int number) {
        currentExecutor = number;
        switch (number) {
            case 1:
                title = getString(R.string.title_section1);
                break;
            case 2:
                title = getString(R.string.title_section2);
                break;
            case 3:
                title = getString(R.string.title_section3);
                break;
        }
    }

    public void restoreActionBar() {
        ActionBar actionBar = getActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
        actionBar.setDisplayShowTitleEnabled(true);
        actionBar.setTitle(title);
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        if (!navigationDrawerFragment.isDrawerOpen()) {
            // Only show items in the action bar relevant to this screen
            // if the drawer is not showing. Otherwise, let the drawer
            // decide what to show in the action bar.
            getMenuInflater().inflate(R.menu.main, menu);
            restoreActionBar();
            return true;
        }
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_execute) {
            UeControlExecutor exec = executors.get(currentExecutor);
            if(exec.isRunning()){
                exec.terminate();
                item.setTitle(R.string.action_run);
            }
            else {
                exec.execute();
                item.setTitle(R.string.action_stop);
            }
            return true;
        }
        if (id == R.id.action_edit) {
            Intent intent = new Intent(this, EditActivity.class);
            intent.putExtra("executor", currentExecutor);
            startActivity(intent);
            return true;
        }
        if (id == R.id.action_settings) {
            startActivity(new Intent(this, SettingsActivity.class));
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    public static UeControlExecutor getExecutor(int index) {
        if(index >= executors.size())
            return null;
        return executors.get(index);
    }
}