/**************************************************************************/
/*  test_input_event.h                                                    */
/**************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#ifndef TEST_INPUT_EVENT_H
#define TEST_INPUT_EVENT_H

#include "core/input/input_event.h"
#include "core/math/rect2.h"
#include "core/os/memory.h"
#include "core/variant/array.h"

#include "tests/test_macros.h"

namespace TestInputEvent {
TEST_CASE("[InputEvent] Signal is emitted when device is changed") {
	Ref<InputEventKey> input_event;
	input_event.instantiate();

	SIGNAL_WATCH(*input_event, CoreStringName(changed));
	Array args1;
	Array empty_args;
	empty_args.push_back(args1);

	input_event->set_device(1);

	SIGNAL_CHECK("changed", empty_args);
	CHECK(input_event->get_device() == 1);

	SIGNAL_UNWATCH(*input_event, CoreStringName(changed));
}

TEST_CASE("[InputEvent] Test accumulate") {
	Ref<InputEventMouseMotion> iemm1, iemm2;
	Ref<InputEventKey> iek;

	iemm1.instantiate(), iemm2.instantiate();
	iek.instantiate();

	iemm1->set_button_mask(MouseButtonMask::LEFT);

	CHECK_FALSE(iemm1->accumulate(iemm2));

	iemm2->set_button_mask(MouseButtonMask::LEFT);

	CHECK(iemm1->accumulate(iemm2));

	CHECK_FALSE(iemm1->accumulate(iek));
	CHECK_FALSE(iemm2->accumulate(iek));
}

TEST_CASE("[InputEvent][SceneTree] Test methods that interact with the InputMap") {
	const String mock_action = "mock_action";
	Ref<InputEventJoypadMotion> iejm;
	iejm.instantiate();

	InputMap::get_singleton()->add_action(mock_action, 0.5);
	InputMap::get_singleton()->action_add_event(mock_action, iejm);

	CHECK(iejm->is_action_type());
	CHECK(iejm->is_action(mock_action));

	CHECK(iejm->is_action_released(mock_action));
	CHECK(Math::is_equal_approx(iejm->get_action_strength(mock_action), 0.0f));

	iejm->set_axis_value(0.8f);
	// Since deadzone is 0.5, action_strength grows linearly from 0.5 to 1.0.
	CHECK(Math::is_equal_approx(iejm->get_action_strength(mock_action), 0.6f));
	CHECK(Math::is_equal_approx(iejm->get_action_raw_strength(mock_action), 0.8f));
	CHECK(iejm->is_action_pressed(mock_action));

	InputMap::get_singleton()->erase_action(mock_action);
}

TEST_CASE("[InputEvent] Test xformed_by") {
	Ref<InputEventMouseMotion> iemm1;
	iemm1.instantiate();

	iemm1->set_position(Vector2(0.0f, 0.0f));
	Transform2D transform;
	transform = transform.translated(Vector2(2.0f, 3.0f));

	Ref<InputEventMouseMotion> iemm2 = iemm1->xformed_by(transform);

	CHECK(iemm2->get_position().is_equal_approx(Vector2(2.0f, 3.0f)));
}
} // namespace TestInputEvent

#endif // TEST_INPUT_EVENT_H