/**************************************************************************/
/*  test_timer.h                                                          */
/**************************************************************************/
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/*                             GODOT ENGINE                               */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#pragma once

#include "scene/main/timer.h"

#include "tests/test_macros.h"

namespace TestTimer {

TEST_CASE("[SceneTree][Timer] Check Timer Setters and Getters") {
	Timer *test_timer = memnew(Timer);

	SUBCASE("[Timer] Timer set and get wait time") {
		// check default
		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 1.0));

		test_timer->set_wait_time(50.0);
		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 50.0));

		test_timer->set_wait_time(42.0);
		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 42.0));

		// wait time remains unchanged if we attempt to set it negative or zero
		ERR_PRINT_OFF;
		test_timer->set_wait_time(-22.0);
		ERR_PRINT_ON;
		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 42.0));

		ERR_PRINT_OFF;
		test_timer->set_wait_time(0.0);
		ERR_PRINT_ON;
		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 42.0));
	}

	SUBCASE("[Timer] Timer set and get one shot") {
		// check default
		CHECK(test_timer->is_one_shot() == false);

		test_timer->set_one_shot(true);
		CHECK(test_timer->is_one_shot() == true);

		test_timer->set_one_shot(false);
		CHECK(test_timer->is_one_shot() == false);
	}

	SUBCASE("[Timer] Timer set and get autostart") {
		// check default
		CHECK(test_timer->has_autostart() == false);

		test_timer->set_autostart(true);
		CHECK(test_timer->has_autostart() == true);

		test_timer->set_autostart(false);
		CHECK(test_timer->has_autostart() == false);
	}

	SUBCASE("[Timer] Timer start and stop") {
		test_timer->set_autostart(false);
	}

	SUBCASE("[Timer] Timer set and get paused") {
		// check default
		CHECK(test_timer->is_paused() == false);

		test_timer->set_paused(true);
		CHECK(test_timer->is_paused() == true);

		test_timer->set_paused(false);
		CHECK(test_timer->is_paused() == false);
	}

	memdelete(test_timer);
}

TEST_CASE("[SceneTree][Timer] Check Timer Start and Stop") {
	Timer *test_timer = memnew(Timer);

	SUBCASE("[Timer] Timer start and stop") {
		SceneTree::get_singleton()->get_root()->add_child(test_timer);

		test_timer->start(5.0);

		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 5.0));
		CHECK(Math::is_equal_approx(test_timer->get_time_left(), 5.0));

		test_timer->start(-2.0);

		// the wait time and time left remains unchanged when started with a negative start time
		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 5.0));
		CHECK(Math::is_equal_approx(test_timer->get_time_left(), 5.0));

		test_timer->stop();
		CHECK(test_timer->is_processing() == false);
		CHECK(test_timer->has_autostart() == false);
	}

	memdelete(test_timer);
}

TEST_CASE("[SceneTree][Timer] Check Timer process callback") {
	Timer *test_timer = memnew(Timer);

	SUBCASE("[Timer] Timer process callback") {
		// check default
		CHECK(test_timer->get_timer_process_callback() == Timer::TimerProcessCallback::TIMER_PROCESS_IDLE);

		test_timer->set_timer_process_callback(Timer::TimerProcessCallback::TIMER_PROCESS_PHYSICS);
		CHECK(test_timer->get_timer_process_callback() == Timer::TimerProcessCallback::TIMER_PROCESS_PHYSICS);

		test_timer->set_timer_process_callback(Timer::TimerProcessCallback::TIMER_PROCESS_IDLE);
		CHECK(test_timer->get_timer_process_callback() == Timer::TimerProcessCallback::TIMER_PROCESS_IDLE);
	}

	memdelete(test_timer);
}

TEST_CASE("[SceneTree][Timer] Check Timer timeout signal") {
	Timer *test_timer = memnew(Timer);
	SceneTree::get_singleton()->get_root()->add_child(test_timer);

	test_timer->set_process(true);
	test_timer->set_physics_process(true);

	SUBCASE("[Timer] Timer process timeout signal must be emitted") {
		SIGNAL_WATCH(test_timer, SNAME("timeout"));
		test_timer->start(0.1);

		SceneTree::get_singleton()->process(0.2);

		Array signal_args = { {} };
		SIGNAL_CHECK(SNAME("timeout"), signal_args);

		SIGNAL_UNWATCH(test_timer, SNAME("timeout"));
	}

	SUBCASE("[Timer] Timer process timeout signal must not be emitted") {
		SIGNAL_WATCH(test_timer, SNAME("timeout"));
		test_timer->start(0.1);

		SceneTree::get_singleton()->process(0.05);

		Array signal_args = { {} };
		SIGNAL_CHECK_FALSE(SNAME("timeout"));

		SIGNAL_UNWATCH(test_timer, SNAME("timeout"));
	}

	test_timer->set_timer_process_callback(Timer::TimerProcessCallback::TIMER_PROCESS_PHYSICS);

	SUBCASE("[Timer] Timer physics process timeout signal must be emitted") {
		SIGNAL_WATCH(test_timer, SNAME("timeout"));
		test_timer->start(0.1);

		SceneTree::get_singleton()->physics_process(0.2);

		Array signal_args = { {} };
		SIGNAL_CHECK(SNAME("timeout"), signal_args);

		SIGNAL_UNWATCH(test_timer, SNAME("timeout"));
	}

	SUBCASE("[Timer] Timer physics process timeout signal must not be emitted") {
		SIGNAL_WATCH(test_timer, SNAME("timeout"));
		test_timer->start(0.1);

		SceneTree::get_singleton()->physics_process(0.05);

		Array signal_args = { {} };
		SIGNAL_CHECK_FALSE(SNAME("timeout"));

		SIGNAL_UNWATCH(test_timer, SNAME("timeout"));
	}

	memdelete(test_timer);
}

} // namespace TestTimer
