#include "emoji.h"

// Submodules
#include "json/layout.h"
#include "util/format.h"

// Model
#include "model/server.h"

// Standard Library
#include <dirent.h>
#include <string.h>
#include <stdlib.h>
#include <libgen.h>

#define OBJ_TYPE struct emoji
struct json_object_field emoji_layout[] = {
	JSON_FIELD_STRING( url, true ),
	JSON_FIELD_STRING( shortcode, true ),
	JSON_FIELD_END,
};
#undef OBJ_TYPE
JSON_FIELD_TYPE_OBJECT_LAYOUT_WITH_DEFAULTS( emoji );

char* filename_for_shortcode( const char* shortcode )
{
	int len = strlen(shortcode);

	DIR* d = opendir( "data/emoji" );
	struct dirent* ent;
	while(( ent = readdir(d) )) {
		if( 0 == strncmp( shortcode, ent->d_name, len ) && ent->d_name[len] == '.' ) {
			char* res = strdup(ent->d_name);
			closedir(d);
			return res;
		}
	}
	closedir(d);
	return NULL;
}

struct emoji* emoji_from_shortcode( const char* shortcode )
{
	// check for existence of emoji
	char* filename = filename_for_shortcode( shortcode );
	if( !filename ) { return NULL; }

	struct emoji* e;
	e = malloc(sizeof(*e));
	memset(e,0,sizeof(*e));

	e->shortcode = strdup(shortcode);
	e->url = aformat( "https://%s/emoji/%s/%s", g_server->domain, shortcode, basename(filename) );
	free(filename);

	return e;
}
void emoji_free( struct emoji* e )
{
	if( !e ) { return; }

	free(e->shortcode);
	free(e->url);
	free(e);
}