/*
   XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS)

   File information window

   Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org>
   (C) Copyright 1999-2007 Tecnic Software productions (TNSP)

   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.,
   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>

#include "xs_fileinfo.h"
#include "xs_player.h"
#include "xs_support.h"
#include "xs_config.h"
#include "xs_interface.h"
#include "xs_glade.h"
#include "xs_slsup.h"


static GtkWidget *xs_fileinfowin = NULL;
static t_xs_stil_node *xs_fileinfostil = NULL;
XS_MUTEX(xs_fileinfowin);

#define LUW(x)	lookup_widget(xs_fileinfowin, x)


#ifndef AUDACIOUS_PLUGIN
void xs_fileinfo_update(void)
{
	XS_MUTEX_LOCK(xs_status);
	XS_MUTEX_LOCK(xs_fileinfowin);

	/* Check if control window exists, we are currently playing and have a tune */
	if (xs_fileinfowin) {
		gboolean isEnabled;
		GtkAdjustment *tmpAdj;

		if (xs_status.tuneInfo && xs_status.isPlaying && (xs_status.tuneInfo->nsubTunes > 1)) {
			tmpAdj = gtk_range_get_adjustment(GTK_RANGE(LUW("fileinfo_subctrl_adj")));

			tmpAdj->value = xs_status.currSong;
			tmpAdj->lower = 1;
			tmpAdj->upper = xs_status.tuneInfo->nsubTunes;
			XS_MUTEX_UNLOCK(xs_status);
			XS_MUTEX_UNLOCK(xs_fileinfowin);
			gtk_adjustment_value_changed(tmpAdj);
			XS_MUTEX_LOCK(xs_status);
			XS_MUTEX_LOCK(xs_fileinfowin);
			isEnabled = TRUE;
		} else
			isEnabled = FALSE;

		/* Enable or disable subtune-control in fileinfo window */
		gtk_widget_set_sensitive(LUW("fileinfo_subctrl_prev"), isEnabled);
		gtk_widget_set_sensitive(LUW("fileinfo_subctrl_adj"), isEnabled);
		gtk_widget_set_sensitive(LUW("fileinfo_subctrl_next"), isEnabled);
	}

	XS_MUTEX_UNLOCK(xs_status);
	XS_MUTEX_UNLOCK(xs_fileinfowin);
}


static void xs_fileinfo_setsong(void)
{
	gint n;

	XS_MUTEX_LOCK(xs_status);
	XS_MUTEX_LOCK(xs_fileinfowin);

	if (xs_status.tuneInfo && xs_status.isPlaying) {
		n = (gint) gtk_range_get_adjustment(GTK_RANGE(LUW("fileinfo_subctrl_adj")))->value;
		if ((n >= 1) && (n <= xs_status.tuneInfo->nsubTunes))
			xs_status.currSong = n;
	}

	XS_MUTEX_UNLOCK(xs_fileinfowin);
	XS_MUTEX_UNLOCK(xs_status);
}
#endif /* AUDACIOUS_PLUGIN */


void xs_fileinfo_ok(void)
{
	XS_MUTEX_LOCK(xs_fileinfowin);
	if (xs_fileinfowin) {
		gtk_widget_destroy(xs_fileinfowin);
		xs_fileinfowin = NULL;
	}
	XS_MUTEX_UNLOCK(xs_fileinfowin);
}


gboolean xs_fileinfo_delete(GtkWidget * widget, GdkEvent * event, gpointer user_data)
{
	(void) widget;
	(void) event;
	(void) user_data;

	XSDEBUG("delete_event\n");
	xs_fileinfo_ok();
	return FALSE;
}


static void xs_fileinfo_subtune(GtkWidget * widget, void *data)
{
	t_xs_stil_subnode *tmpNode;
	GtkWidget *tmpText;
	gchar *subName, *subAuthor, *subInfo;

	(void) widget;
	(void) data;

	/* Freeze text-widget and delete the old text */
	tmpText = LUW("fileinfo_sub_info");
#ifndef AUDACIOUS_PLUGIN
	gtk_text_freeze(GTK_TEXT(tmpText));
	gtk_text_set_point(GTK_TEXT(tmpText), 0);
	gtk_text_forward_delete(GTK_TEXT(tmpText), gtk_text_get_length(GTK_TEXT(tmpText)));
#endif

	/* Get subtune information */
	tmpNode = (t_xs_stil_subnode *) data;
	if (!tmpNode && xs_fileinfostil)
		tmpNode = xs_fileinfostil->subTunes[0];
	
	if (tmpNode) {
		if (tmpNode->pName)
			subName = tmpNode->pName;
		else
			subName = tmpNode->pTitle;
		subAuthor = tmpNode->pAuthor;
		subInfo = tmpNode->pInfo;
	} else {
		subName = NULL;
		subAuthor = NULL;
		subInfo = NULL;
	}

	/* Get and set subtune information */
	gtk_entry_set_text(GTK_ENTRY(LUW("fileinfo_sub_name")), subName ? subName : "");
	gtk_entry_set_text(GTK_ENTRY(LUW("fileinfo_sub_author")), subAuthor ? subAuthor : "");

#ifdef AUDACIOUS_PLUGIN
	gtk_text_buffer_set_text(GTK_TEXT_BUFFER(gtk_text_view_get_buffer(GTK_TEXT_VIEW(tmpText))),
		subInfo ? subInfo : "", -1);
#else
	gtk_text_insert(GTK_TEXT(tmpText), NULL, NULL, NULL,
		subInfo ? subInfo : "", -1);

	/* Un-freeze the widget */
	gtk_text_thaw(GTK_TEXT(tmpText));
#endif
}


void xs_fileinfo(gchar * pcFilename)
{
	GtkWidget *tmpMenuItem, *tmpMenu, *tmpOptionMenu;
	t_xs_tuneinfo *tmpInfo;
	t_xs_stil_subnode *tmpNode;
	gchar tmpStr[256], *tmpFilename;
	gint n;

	/* Current implementation leaves old fileinfo window untouched if
	 * no information can be found for the new file. Hmm...
	 */
#ifdef AUDACIOUS_PLUGIN
	xs_get_trackinfo(pcFilename, &tmpFilename, &n);
#else
	tmpFilename = pcFilename;
#endif	

	/* Get new tune information */
	XS_MUTEX_LOCK(xs_fileinfowin);
	XS_MUTEX_LOCK(xs_status);
	if ((tmpInfo = xs_status.sidPlayer->plrGetSIDInfo(tmpFilename)) == NULL) {
		XS_MUTEX_UNLOCK(xs_fileinfowin);
		XS_MUTEX_UNLOCK(xs_status);
		return;
	}
	XS_MUTEX_UNLOCK(xs_status);

	xs_fileinfostil = xs_stil_get(tmpFilename);

#ifdef AUDACIOUS_PLUGIN
	g_free(tmpFilename);
#endif

	/* Check if there already is an open fileinfo window */
	if (xs_fileinfowin)
		gdk_window_raise(xs_fileinfowin->window);
	else {
		xs_fileinfowin = create_xs_fileinfowin();
#ifndef AUDACIOUS_PLUGIN
		XS_SIGNAL_CONNECT(gtk_range_get_adjustment(GTK_RANGE(LUW("fileinfo_subctrl_adj"))),
			"value_changed", xs_fileinfo_setsong, NULL);
#endif
	}

	/* Delete current items */
	tmpOptionMenu = LUW("fileinfo_sub_tune");
	tmpMenu = gtk_option_menu_get_menu(GTK_OPTION_MENU(tmpOptionMenu));
	gtk_widget_destroy(tmpMenu);
	gtk_option_menu_remove_menu(GTK_OPTION_MENU(tmpOptionMenu));
	tmpMenu = gtk_menu_new();


	/* Set the generic song information */
	tmpFilename = XS_CS_FILENAME(pcFilename);
	gtk_entry_set_text(GTK_ENTRY(LUW("fileinfo_filename")), tmpFilename);
	g_free(tmpFilename);
	gtk_entry_set_text(GTK_ENTRY(LUW("fileinfo_songname")), tmpInfo->sidName);
	gtk_entry_set_text(GTK_ENTRY(LUW("fileinfo_composer")), tmpInfo->sidComposer);
	gtk_entry_set_text(GTK_ENTRY(LUW("fileinfo_copyright")), tmpInfo->sidCopyright);


	/* Main tune - the pseudo tune */
	tmpMenuItem = gtk_menu_item_new_with_label(_("General info"));
	gtk_widget_show(tmpMenuItem);
	gtk_menu_append(GTK_MENU(tmpMenu), tmpMenuItem);
	if (xs_fileinfostil)
		tmpNode = xs_fileinfostil->subTunes[0];
	else
		tmpNode = NULL;
	XS_SIGNAL_CONNECT(tmpMenuItem, "activate", xs_fileinfo_subtune, tmpNode);

	/* Other menu items */
	for (n = 1; n <= tmpInfo->nsubTunes; n++) {
		if (xs_fileinfostil && n <= xs_fileinfostil->nsubTunes && xs_fileinfostil->subTunes[n]) {
			gboolean isSet = FALSE;
			tmpNode = xs_fileinfostil->subTunes[n];
			
			g_snprintf(tmpStr, sizeof(tmpStr), _("Tune #%i: "), n);

			if (tmpNode->pName) {
				xs_pnstrcat(tmpStr, sizeof(tmpStr), tmpNode->pName);
				isSet = TRUE;
			}

			if (tmpNode->pTitle) {
				xs_pnstrcat(tmpStr, sizeof(tmpStr),
					isSet ? " [*]" : tmpNode->pTitle);
				isSet = TRUE;
			}

			if (tmpNode->pInfo && isSet) {
				xs_pnstrcat(tmpStr, sizeof(tmpStr), " [!]");
				isSet = TRUE;
			}

			if (!isSet)
				xs_pnstrcat(tmpStr, sizeof(tmpStr), "---");

			tmpMenuItem = gtk_menu_item_new_with_label(tmpStr);
			gtk_widget_show(tmpMenuItem);
			gtk_menu_append(GTK_MENU(tmpMenu), tmpMenuItem);
			XS_SIGNAL_CONNECT(tmpMenuItem, "activate", xs_fileinfo_subtune, tmpNode);
		}

	}

	gtk_option_menu_set_menu(GTK_OPTION_MENU(tmpOptionMenu), tmpMenu);
	gtk_widget_show(tmpOptionMenu);

	/* Set the subtune information */
	xs_fileinfo_subtune(tmpOptionMenu, NULL);

	/* Free temporary tuneinfo */
	xs_tuneinfo_free(tmpInfo);

	/* Show the window */
	gtk_widget_show(xs_fileinfowin);

	XS_MUTEX_UNLOCK(xs_fileinfowin);

#ifndef AUDACIOUS_PLUGIN
	xs_fileinfo_update();
#endif
}