/*
 * app_music - zavai music player UI functions
 *
 * Copyright (C) 2010  Enrico Zini <enrico@enricozini.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

using GLib;

namespace zavai {
namespace ui {
namespace music {

public class PlayPauseButton : Gtk.Button
{
    protected Gtk.Image img_play;
    protected Gtk.Image img_pause;
    protected bool is_play;

    construct
    {
        img_play = new Gtk.Image.from_stock(Gtk.STOCK_MEDIA_PLAY, Gtk.IconSize.BUTTON);
        img_pause = new Gtk.Image.from_stock(Gtk.STOCK_MEDIA_PAUSE, Gtk.IconSize.BUTTON);

        clicked += on_clicked;

        is_play = audio.musicplayer.get_state() == Gst.State.PAUSED;

        audio.musicplayer.state_changed += (state) => {
            if (is_play != (state == Gst.State.PAUSED))
            {
                is_play = !is_play;
                update_image();
            }
        };

        update_image();
    }

    protected void update_image()
    {
        if (is_play)
        {
            set_image(img_play);
        } else {
            set_image(img_pause);
        }
    }

    void on_clicked(Gtk.Button b)
    {
        if (is_play)
            audio.musicplayer.pause();
        else
            audio.musicplayer.resume();
    }
}

public class Player : Gtk.VBox
{
    protected Gtk.Label l_status;
    protected PlayPauseButton b_playpause;
    //protected Gtk.Button b_stop;
    protected Gtk.Button b_prev;
    protected Gtk.Button b_next;

    construct
    {
        l_status = new Gtk.Label("");
        //l_date.modify_font(Pango.FontDescription.from_string("Sans 40"));
        b_playpause = new PlayPauseButton();
        //b_stop = new Gtk.Button.from_stock(Gtk.STOCK_MEDIA_STOP);
        //b_stop.clicked += (b) => { audio.musicplayer.stop(); };
        b_prev = new Gtk.Button.from_stock(Gtk.STOCK_MEDIA_PREVIOUS);
        b_next = new Gtk.Button.from_stock(Gtk.STOCK_MEDIA_NEXT);
        pack_start(l_status, false, false, 0);
        var buttons = new Gtk.HButtonBox();
        buttons.add(b_prev);
        buttons.add(b_playpause);
        //buttons.add(b_stop);
        buttons.add(b_next);
        pack_start(buttons, false, false, 0);

        //zavai.clock.clock.minute_changed += on_minute_changed;
        //zavai.clock.clock.schedule_changed += on_schedule_changed;
        //on_schedule_changed(zavai.clock.clock.next_alarm());
    }

#if 0
    private void on_date_clicked(Gtk.Button b)
    {
        zavai.app.push_applet(zavai.ui.calendar.calendar);
    }

    private void on_schedule_changed(zavai.clock.Alarm? next)
    {
        if (next == null)
        {
            last_deadline = 0;
            last_deadline_label = "";
        } else {
            last_deadline = next.ev.deadline;
            last_deadline_label = next.label;
        }
        on_minute_changed((long)last_time, last_time_type);
    }

    private void on_minute_changed(long ts, zavai.clock.SourceType type)
    {
        last_time = (time_t)ts;
        last_time_type = type;

        string typetag = "unknown";
        switch (type)
        {
            case zavai.clock.SourceType.GPS:
                typetag = "gps";
                break;
            case zavai.clock.SourceType.SYSTEM:
                typetag = "sys";
                break;
        }

        var t = Time.local((time_t)ts);
        l_date.set_text(t.format("%a %d %b"));
        l_time.set_text("%2d:%02d (%s)".printf(t.hour, t.minute, typetag));

        if (last_deadline == 0)
            l_deadline.set_text("");
        else
        {
            int remaining = (int)(last_deadline - last_time);
            int hours = remaining / 3600;
            int minutes = (remaining % 3600) / 60;
            if (hours == 0 && minutes == 0)
                l_deadline.set_text(last_deadline_label + "\nanytime now");
            else
                l_deadline.set_text("%s\nin %02dh %02dm".printf(last_deadline_label, hours, minutes));
        }
    }
#endif
}

public Player player = null;

public void init()
{
    player = new Player();
    // Menus
    //zavai.menu_gsm.add_service_toggle(zavai.gsm.gsm, "Start GSM", "Stop GSM");
    //zavai.menu_gsm.add_service_toggle(zavai.gsm.gprs, "Start GPRS", "Stop GPRS");
}

}
}
}