#include "rays/ruby/camera.h"


#include "rays/ruby/image.h"
#include "defs.h"


RUCY_DEFINE_VALUE_FROM_TO(RAYS_EXPORT, Rays::Camera)

#define THIS  to<Rays::Camera*>(self)

#define CHECK RUCY_CHECK_OBJECT(Rays::Camera, self)


static
VALUE alloc(VALUE klass)
{
	return new_type<Rays::Camera>(klass);
}

static
VALUE setup(VALUE self, VALUE device_name, VALUE min_width, VALUE min_height, VALUE resize, VALUE crop)
{
	RUCY_CHECK_OBJ(Rays::Camera, self);

	*THIS = Rays::Camera(
		device_name ? device_name.c_str() : NULL,
		to<int>(min_width), to<int>(min_height),
		to<bool>(resize), to<bool>(crop));
	return self;
}

static
VALUE start(VALUE self)
{
	CHECK;
	return value(THIS->start());
}

static
VALUE stop(VALUE self)
{
	CHECK;
	THIS->stop();
}

static
VALUE is_active(VALUE self)
{
	CHECK;
	return value(THIS->is_active());
}

static
VALUE set_min_width(VALUE self, VALUE width)
{
	CHECK;
	THIS->set_min_width(to<int>(width));
	return value(THIS->min_width());
}

static
VALUE min_width(VALUE self)
{
	CHECK;
	return value(THIS->min_width());
}

static
VALUE set_min_height(VALUE self, VALUE height)
{
	CHECK;
	THIS->set_min_height(to<int>(height));
	return value(THIS->min_height());
}

static
VALUE min_height(VALUE self)
{
	CHECK;
	return value(THIS->min_height());
}

static
VALUE set_resize(VALUE self, VALUE resize)
{
	CHECK;
	THIS->set_resize(to<bool>(resize));
	return value(THIS->is_resize());
}

static
VALUE is_resize(VALUE self)
{
	CHECK;
	return value(THIS->is_resize());
}

static
VALUE set_crop(VALUE self, VALUE crop)
{
	CHECK;
	THIS->set_crop(to<bool>(crop));
	return value(THIS->is_crop());
}

static
VALUE is_crop(VALUE self)
{
	CHECK;
	return value(THIS->is_crop());
}

static
VALUE image(VALUE self)
{
	CHECK;
	const Rays::Image* img = THIS->image();
	return img ? value(*img) : nil();
}

static
VALUE device_names(VALUE self)
{
	auto names = Rays::get_camera_device_names();

	std::vector<Value> v;
	for (const auto& name : names)
		v.emplace_back(name.c_str());
	return array(&v[0], v.size());
}


static Class cCamera;

void
Init_rays_camera ()
{
	Module mRays = rb_define_module("Rays");

	cCamera = rb_define_class_under(mRays, "Camera", rb_cObject);
	rb_define_alloc_func(cCamera, alloc);
	rb_define_private_method(cCamera, "setup", RUBY_METHOD_FUNC(setup), 5);
	rb_define_method(cCamera, "start", RUBY_METHOD_FUNC(start), 0);
	rb_define_method(cCamera, "stop", RUBY_METHOD_FUNC(stop), 0);
	cCamera.define_method("active?", is_active);
	rb_define_method(cCamera, "min_width=", RUBY_METHOD_FUNC(set_min_width), 1);
	rb_define_method(cCamera, "min_width", RUBY_METHOD_FUNC(min_width), 0);
	rb_define_method(cCamera, "min_height=", RUBY_METHOD_FUNC(set_min_height), 1);
	rb_define_method(cCamera, "min_height", RUBY_METHOD_FUNC(min_height), 0);
	rb_define_method(cCamera, "resize=", RUBY_METHOD_FUNC(set_resize), 1);
	cCamera.define_method("resize?",  is_resize);
	rb_define_method(cCamera, "crop=", RUBY_METHOD_FUNC(set_crop), 1);
	cCamera.define_method("crop?",    is_crop);
	rb_define_method(cCamera, "image", RUBY_METHOD_FUNC(image), 0);
	rb_define_module_function(cCamera, "device_names", RUBY_METHOD_FUNC(device_names), 0);
}


namespace Rays
{


	Class
	camera_class ()
	{
		return cCamera;
	}


}// Rays