/*
 * Copyright (c) 2000 Andrew Ferguson <andrew@owsla.cjb.net>
 * Copyright (c) 1998 Sasha Vasko <sasha at aftercode.net>
 *
 * 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.
 *
 */


#define LOCAL_DEBUG

#include "../configure.h"

#include "../libAfterStep/asapp.h"
#include "../libAfterStep/afterstep.h"
#include "../libAfterStep/parser.h"
#include "../libAfterStep/hints.h"
// :sG:!! Change to ALSA:
#ifdef HAVE_RPLAY_H
#include <rplay.h>
#endif

#include "afterconf.h"

/*****************************************************************************
 *
 * This routine is responsible for reading and parsing the config file
 *
 ****************************************************************************/

TermDef       EventTerms[] = {
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "add_window", 10,    	TT_FILENAME, EVENT_WindowAdded_ID        , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "window_names", 8,      TT_FILENAME, EVENT_WindowNames_ID        , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "destroy_window", 14,   TT_FILENAME, EVENT_WindowDestroyed_ID    , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "focus_change", 12,	    TT_FILENAME, EVENT_WindowActivated_ID    , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "raise_window", 12,  	TT_FILENAME, EVENT_WindowRaised_ID       , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "iconify", 7,     		TT_FILENAME, EVENT_WindowIconified_ID    , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "deiconify", 9,    		TT_FILENAME, EVENT_WindowDeiconified_ID  , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "shade", 5,     		TT_FILENAME, EVENT_WindowShaded_ID       , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "unshade", 7,      		TT_FILENAME, EVENT_WindowUnshaded_ID     , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "stick", 5, 			TT_FILENAME, EVENT_WindowStuck_ID        , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "unstick", 7,   		TT_FILENAME, EVENT_WindowUnstuck_ID      , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "maximize", 8, 			TT_FILENAME, EVENT_WindowMaximized_ID    , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "restore", 7,   		TT_FILENAME, EVENT_WindowRestored_ID     , NULL},
    
	{TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "new_background", 14,   TT_FILENAME, EVENT_BackgroundChanged_ID  , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "new_viewport", 12,		TT_FILENAME, EVENT_DeskViewportChanged_ID, NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "startup", 7,           TT_FILENAME, EVENT_Startup_ID            , NULL},
    {TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "shutdown", 8,          TT_FILENAME, EVENT_Shutdown_ID           , NULL},
    
	{TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "config", 6,         	TT_FILENAME, EVENT_Config_ID             , NULL},
	{TF_DONT_SPLIT|TF_NO_MYNAME_PREPENDING, "module_config", 13,    TT_FILENAME, EVENT_ModuleConfig_ID       , NULL},
    
	{0, NULL, 0, 0, 0}						   /* end of structure */
};

SyntaxDef     AudioEventsSyntax = {
	',',
    '\n',
    EventTerms,
	0,										   /* use default hash size */
	' ',
	"",
	"\t",
    "Module:Audio event configuration",
	"AudioEvents",
	"names for different windowing events",
	NULL,
	0
};


TermDef       AudioTerms[] = {
    {TF_DONT_SPLIT, "PlayCmd", 7, TT_TEXT, AUDIO_PLAYCMD_ID, NULL},
    {0, "Delay", 5, TT_INTEGER, AUDIO_DELAY_ID, NULL},
    {0, "RplayHost", 9, TT_TEXT, AUDIO_RPLAY_HOST_ID, NULL},
    {0, "RplayPriority", 13, TT_INTEGER, AUDIO_RPLAY_PRI_ID, NULL},
    {0, "RplayVolume", 11, TT_INTEGER, AUDIO_RPLAY_VOL_ID, NULL},
    {0, "", 0, TT_FLAG, AUDIO_AUDIO_ID, &AudioEventsSyntax},
	{0, NULL, 0, 0, 0}						   /* end of structure */

};

SyntaxDef     AudioSyntax = {
	'\n',
	'\0',
	AudioTerms,
	0,										   /* use default hash size */
	' ',
	"",
	"\t",
	"Module:Audio",
	"Audio",
	"AfterStep module for playing sounds when windowing event occurs",
	NULL,
	0
};

/************** Create/Destroy AudioConfig ***************/

AudioConfig  *
CreateAudioConfig ()
{
    AudioConfig  *config = (AudioConfig *) safecalloc (1, sizeof (AudioConfig));

    /* let's initialize Audio's config with some nice values: */
#ifdef HAVE_RPLAY_H
    config->rplay_volume = RPLAY_DEFAULT_VOLUME;
    config->rplay_priority = RPLAY_DEFAULT_PRIORITY;
#endif

	return config;
}

void
DestroyAudioConfig (AudioConfig * config)
{
    register int i ;

   	for( i = EVENT_ID_END-EVENT_ID_START-1 ; i >=0 ; i-- )
       	  if( config->sounds[i] )
              free( config->sounds[i] );

	if (config->playcmd)
		free (config->playcmd);
	if (config->rplay_host)
		free (config->rplay_host);
	DestroyFreeStorage (&(config->more_stuff));
	free (config);
}

/************ Actual Parsing **************/

AudioConfig  *
ParseAudioOptions (const char *filename, char *myname)
{
	ConfigData cd ;
	ConfigDef    *AudioConfigReader;
	AudioConfig  *config = CreateAudioConfig ();

	FreeStorageElem *Storage = NULL, *pCurr;
	ConfigItem    item;

	cd.filename = filename ;
	AudioConfigReader = InitConfigReader (myname, &AudioSyntax, CDT_Filename, cd, NULL);
	if (!AudioConfigReader)
		return config;

	item.memory = NULL;
	PrintConfigReader (AudioConfigReader);
	ParseConfig (AudioConfigReader, &Storage);

	/* getting rid of all the crap first */
	StorageCleanUp (&Storage, &(config->more_stuff), CF_DISABLED_OPTION);

	for (pCurr = Storage; pCurr; pCurr = pCurr->next)
	{
		if (pCurr->term == NULL)
			continue;

		{
			if (!ReadConfigItem (&item, pCurr))
				continue;

			switch (pCurr->term->id)
			{
			 case AUDIO_AUDIO_ID:
                 if( pCurr->sub )
                 {
                    if( pCurr->sub->term && pCurr->sub->argv )
                        if( pCurr->sub->term->id >= EVENT_ID_START && pCurr->sub->term->id < EVENT_ID_END )
                            set_string( &(config->sounds[pCurr->sub->term->id-EVENT_ID_START]), mystrdup( pCurr->sub->argv[0] ));
                 }
				 break;
			 case AUDIO_PLAYCMD_ID:
                 set_string( &(config->playcmd), item.data.string );
				 break;
			 case AUDIO_DELAY_ID:
			 	 set_flags( config->set_flags, AUDIO_SET_DELAY );
				 config->delay = (int)item.data.integer;
				 break;
			 case AUDIO_RPLAY_HOST_ID:
                 set_string_value( &(config->rplay_host), item.data.string, &(config->set_flags), AUDIO_SET_RPLAY_HOST );
				 break;
			 case AUDIO_RPLAY_PRI_ID:
				 set_flags( config->set_flags, AUDIO_SET_RPLAY_PRIORITY );
				 config->rplay_priority = (int)item.data.integer;
				 break;
			 case AUDIO_RPLAY_VOL_ID:
				 set_flags( config->set_flags, AUDIO_SET_RPLAY_VOLUME );
				 config->rplay_volume = (int)item.data.integer;
				 break;
			 default:
				 item.ok_to_free = 1;
			}
		}
	}

	ReadConfigItem (&item, NULL);

	DestroyConfig (AudioConfigReader);
	DestroyFreeStorage (&Storage);
	return config;

}

int
WriteAudioOptions (const char *filename, char *myname, AudioConfig * config, unsigned long flags)
{
	ConfigDef    *AudioConfigWriter = NULL;
	FreeStorageElem *Storage = NULL, **tail = &Storage;
    register int i ;
	ConfigData cd ;

	if (config == NULL)
		return 1;
	cd.filename = filename ;

	if ((AudioConfigWriter = InitConfigWriter (myname, &AudioSyntax, CDT_Filename, cd)) == NULL)
		return 2;
	CopyFreeStorage (&Storage, config->more_stuff);
	/* building free storage here */
	/* playcmd */
	if( config->playcmd )
		tail = String2FreeStorage (&AudioSyntax, tail, config->playcmd, AUDIO_PLAYCMD_ID);
	/* delay */
	if( get_flags(config->set_flags, AUDIO_SET_DELAY) )
    	tail = Integer2FreeStorage (&AudioSyntax, tail, NULL, config->delay, AUDIO_DELAY_ID);
	/* rplay_host */
	if (get_flags(config->set_flags, AUDIO_SET_RPLAY_HOST) && config->rplay_host)
        tail = String2FreeStorage (&AudioSyntax, tail, config->rplay_host, AUDIO_RPLAY_HOST_ID);

	/* rplay_priority */
	if (get_flags(config->set_flags, AUDIO_SET_RPLAY_PRIORITY))
        tail = Integer2FreeStorage (&AudioSyntax, tail, NULL, config->rplay_priority, AUDIO_RPLAY_PRI_ID);

	/* rplay_volume */
	if( get_flags(config->set_flags, AUDIO_SET_RPLAY_VOLUME) )
        tail = Integer2FreeStorage (&AudioSyntax, tail, NULL, config->rplay_volume, AUDIO_RPLAY_VOL_ID);

	/* line structure */
    for( i = EVENT_ID_END-EVENT_ID_START-1 ; i >=0 ; i-- )
        if( config->sounds[i] )
        {
            FreeStorageElem **dtail = tail ;

            tail = Flag2FreeStorage (&AudioSyntax, tail, AUDIO_AUDIO_ID);
            if( *dtail )
                Path2FreeStorage (&AudioEventsSyntax, &((*dtail)->sub), NULL, config->sounds[i], EVENT_ID_START + i);
        }

    /* writing config into the file */
	WriteConfig (AudioConfigWriter, Storage, CDT_Filename, &cd, flags);
	DestroyFreeStorage (&Storage);
	DestroyConfig (AudioConfigWriter);

	if (Storage)
	{
		fprintf (stderr, "\n%s:Config Writing warning: Not all Free Storage discarded! Trying again...", myname);
		DestroyFreeStorage (&Storage);
		fprintf (stderr, (Storage != NULL) ? " failed." : " success.");
	}
	return 0;
}