#include <fx/macros.h>
#include <fx/reflection/property.h>
#include <fx/string.h>
#include <fx/value-type.h>
#include <fx/value.h>
#include <platform/callvm.h>

struct fx_property_p {
	fx_property *prop_self;
	char *prop_name;
	fx_property_getter prop_getter;
	fx_property_setter prop_setter;
};

/*** PRIVATE FUNCTIONS ********************************************************/

static const char *property_get_name(const struct fx_property_p *prop)
{
	return prop->prop_name;
}

static fx_status property_get_value(
	const struct fx_property_p *prop,
	const fx_value *container,
	fx_value *out)
{
	if (!prop->prop_getter) {
		return FX_ERR_NOT_SUPPORTED;
	}

	return prop->prop_getter(container, prop->prop_self, out);
}

static fx_status property_set_value(
	const struct fx_property_p *prop,
	fx_value *container,
	fx_value *new_value)
{
	if (!prop->prop_setter) {
		return FX_ERR_NOT_SUPPORTED;
	}

	return prop->prop_setter(container, prop->prop_self, new_value);
}

/*** PUBLIC FUNCTIONS *********************************************************/

fx_property *fx_property_create(
	const char *name,
	fx_property_getter getter,
	fx_property_setter setter)
{
	fx_property *prop = fx_object_create(FX_REFLECTION_TYPE_PROPERTY);
	if (!prop) {
		return NULL;
	}

	struct fx_property_p *p = fx_object_get_private(
		prop,
		FX_REFLECTION_TYPE_PROPERTY);

	p->prop_name = fx_strdup(name);
	if (!p->prop_name) {
		fx_property_unref(prop);
		return NULL;
	}

	p->prop_self = prop;
	p->prop_getter = getter;
	p->prop_setter = setter;

	return prop;
}

const char *fx_property_get_name(const fx_property *prop)
{
	FX_CLASS_DISPATCH_STATIC_0(
		FX_REFLECTION_TYPE_PROPERTY,
		property_get_name,
		prop);
}

fx_status fx_property_get_value(
	const fx_property *prop,
	const fx_value *container,
	fx_value *out)
{
	FX_CLASS_DISPATCH_STATIC(
		FX_REFLECTION_TYPE_PROPERTY,
		property_get_value,
		prop,
		container,
		out);
}

fx_status fx_property_set_value(
	const fx_property *prop,
	fx_value *container,
	fx_value *new_value)
{
	FX_CLASS_DISPATCH_STATIC(
		FX_REFLECTION_TYPE_PROPERTY,
		property_set_value,
		prop,
		container,
		new_value);
}

/*** VIRTUAL FUNCTIONS ********************************************************/

static void property_init(fx_object *obj, void *priv)
{
}

static void property_fini(fx_object *obj, void *priv)
{
	struct fx_property_p *p = priv;
	if (p->prop_name) {
		free(p->prop_name);
		p->prop_name = NULL;
	}
}

/*** CLASS DEFINITION
 * *********************************************************/

FX_TYPE_CLASS_BEGIN(fx_property)
	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
		FX_INTERFACE_ENTRY(to_string) = NULL;
	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
FX_TYPE_CLASS_END(fx_property)

FX_TYPE_DEFINITION_BEGIN(fx_property)
	FX_TYPE_ID(0x7007a5ef, 0x3caf, 0x4215, 0x8c0b, 0xd54bf8195624);
	FX_TYPE_NAME("fx.reflection.property");
	FX_TYPE_CLASS(fx_property_class);
	FX_TYPE_INSTANCE_PRIVATE(struct fx_property_p);
	FX_TYPE_INSTANCE_INIT(property_init);
	FX_TYPE_INSTANCE_FINI(property_fini);
FX_TYPE_DEFINITION_END(fx_property)