#include <stdio.h>
#include <string.h>
#include <glib-object.h>

#include "exportable.h"
#include "uobject.h"
#include "texture.h"
#include "upkg.h"

#define TEXTURE_GET_PRIV(o) \
	G_TYPE_INSTANCE_GET_PRIVATE(o, ENGINE_TEXTURE_TYPE, struct texture_priv)

enum {
	PROP_0,
	PROP_USIZE,
	PROP_VSIZE,
};

struct texture_priv {
	unsigned type;

	struct upkg_file *f;
	size_t base, len;

	unsigned char buf[2048];
	unsigned long nbuf;
};

void exportable_init(UObjectExportable *e)
{
}

G_DEFINE_DYNAMIC_TYPE(EngineTexture, engine_texture, U_OBJECT_TYPE);

static int deserialize(UObject *o, struct upkg_file *f)
{
	struct texture_priv *priv = TEXTURE_GET_PRIV(o);
	EngineTexture *t = ENGINE_TEXTURE(o);
	const GValue *val;

	U_OBJECT_CLASS(engine_texture_parent_class)->deserialize(o, f);

	printf("Texture size: %lux%lu\n", t->usize, t->vsize);

	return 0;
}

void texture_register(GTypeModule *m)
{
	engine_texture_register_type(m);
}

static void
set_property(GObject *o, guint id, const GValue *val, GParamSpec *spec)
{
	EngineTexture *t = ENGINE_TEXTURE(o);

	switch (id) {
	case PROP_USIZE:
		t->usize = g_value_get_uint(val);
		break;
	case PROP_VSIZE:
		t->vsize = g_value_get_uint(val);
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID(o, id, spec);
	}
}

static void
get_property(GObject *o, guint id, GValue *val, GParamSpec *spec)
{
	EngineTexture *t = ENGINE_TEXTURE(o);

	switch (id) {
	case PROP_USIZE:
		g_value_set_boolean(val, t->usize);
		break;
	case PROP_VSIZE:
		g_value_set_boolean(val, t->vsize);
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID(o, id, spec);
	}
}

static void engine_texture_init(EngineTexture *t)
{
	t->usize = t->vsize = 0;
}

static void engine_texture_class_init(EngineTextureClass *class)
{
	UObjectClass *uo = U_OBJECT_CLASS(class);
	GObjectClass *go = G_OBJECT_CLASS(class);

	g_type_class_add_private(class, sizeof (struct texture_priv));

	uo->deserialize = deserialize;
	go->set_property = set_property;
	go->get_property = get_property;

	g_object_class_install_property(go, PROP_USIZE,
		g_param_spec_uint("USize",
			"USize",
			"Width of the texture.",
			0, 2048, 0,
			G_PARAM_READWRITE));
	g_object_class_install_property(go, PROP_VSIZE,
		g_param_spec_uint("VSize",
			"VSize",
			"Height of the texture.",
			0, 2048, 0,
			G_PARAM_READWRITE));
}

static void engine_texture_class_finalize(EngineTextureClass *class)
{
}