/*
  Copyright 2007-2011 David Robillard <http://drobilla.net>

  Permission to use, copy, modify, and/or distribute this software for any
  purpose with or without fee is hereby granted, provided that the above
  copyright notice and this permission notice appear in all copies.

  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#define _XOPEN_SOURCE 500

#include <assert.h>
#include <stdlib.h>
#include <string.h>

#include "lilv_internal.h"

LilvUI
lilv_ui_new(LilvWorld world,
            LilvValue uri,
            LilvValue type_uri,
            LilvValue binary_uri)
{
	assert(uri);
	assert(type_uri);
	assert(binary_uri);

	struct _LilvUI* ui = malloc(sizeof(struct _LilvUI));
	ui->world      = world;
	ui->uri        = uri;
	ui->binary_uri = binary_uri;

	// FIXME: kludge
	char* bundle     = lilv_strdup(lilv_value_as_string(ui->binary_uri));
	char* last_slash = strrchr(bundle, '/') + 1;
	*last_slash = '\0';
	ui->bundle_uri = lilv_value_new_uri(world, bundle);
	free(bundle);

	ui->classes = lilv_values_new();
	lilv_array_append(ui->classes, type_uri);

	return ui;
}

void
lilv_ui_free(LilvUI ui)
{
	lilv_value_free(ui->uri);
	ui->uri = NULL;

	lilv_value_free(ui->bundle_uri);
	ui->bundle_uri = NULL;

	lilv_value_free(ui->binary_uri);
	ui->binary_uri = NULL;

	lilv_values_free(ui->classes);

	free(ui);
}

LILV_API
LilvValue
lilv_ui_get_uri(LilvUI ui)
{
	assert(ui);
	assert(ui->uri);
	return ui->uri;
}

LILV_API
unsigned
lilv_ui_is_supported(LilvUI              ui,
                     LilvUISupportedFunc supported_func,
                     LilvValue           container_type,
                     LilvValue*          ui_type)
{
#ifdef HAVE_SUIL
	LilvValues classes = lilv_ui_get_classes(ui);
	LILV_FOREACH(values, c, classes) {
		LilvValue type = lilv_values_get(classes, c);
		const unsigned q = supported_func(lilv_value_as_uri(container_type),
		                                  lilv_value_as_uri(type));
		if (q) {
			if (ui_type) {
				*ui_type = lilv_value_duplicate(type);
			}
			return q;
		}
	}
#endif
	return 0;
}

LILV_API
LilvValues
lilv_ui_get_classes(LilvUI ui)
{
	return ui->classes;
}

LILV_API
bool
lilv_ui_is_a(LilvUI ui, LilvValue ui_class_uri)
{
	return lilv_values_contains(ui->classes, ui_class_uri);
}

LILV_API
LilvValue
lilv_ui_get_bundle_uri(LilvUI ui)
{
	assert(ui);
	assert(ui->bundle_uri);
	return ui->bundle_uri;
}

LILV_API
LilvValue
lilv_ui_get_binary_uri(LilvUI ui)
{
	assert(ui);
	assert(ui->binary_uri);
	return ui->binary_uri;
}