#include "utest.h"
#include "models/timer.hpp"

uint64_t _timestamp_ms_value = 0;

uint64_t monotonic_timestamp_ms() {
	return _timestamp_ms_value;
}

#define MILISEC 1
#define SEC (1000 * MILISEC)
#define MIN (60  * SEC)
#define HOUR (60 * MIN)
#define DAY (60 * HOUR)

UTEST(timer, stopwatch_mode) {
	FreqTimer timer;

	_timestamp_ms_value = SEC;

	timer.toggleStart();

	ASSERT_TRUE(timer.running());

	_timestamp_ms_value += 2 * SEC;

	ASSERT_EQ(2 * SEC, timer.time_ms());

	ASSERT_NEAR(30.0, timer.record_floor(), 1e-7);

	_timestamp_ms_value += SEC;

	timer.toggleStart(); // stop

	ASSERT_FALSE(timer.running());

	_timestamp_ms_value += 10 * SEC;

	timer.toggleStart(); // start

	_timestamp_ms_value += SEC;

	ASSERT_EQ(4 * SEC, timer.time_ms());

}

UTEST(timer, timer_mode) {
	FreqTimer timer;

	_timestamp_ms_value = SEC;

	// set preset

	ASSERT_FALSE(timer.has_preset());

	timer.increment_preset_ms(1 * SEC);
	timer.increment_preset_ms(9 * SEC);

	ASSERT_NEAR(6.0, timer.record_floor(), 1e-7);

	ASSERT_FALSE(timer.running());

	ASSERT_TRUE(timer.has_preset());

	// counts down

	ASSERT_EQ(10 * SEC, timer.preset_ms());

	timer.toggleStart();

	_timestamp_ms_value += 5 * SEC;

	ASSERT_EQ(5 * SEC, timer.time_ms());

	_timestamp_ms_value += 6 * SEC;

	ASSERT_EQ(-SEC, timer.time_ms());

	// reset returns to preset

	timer.reset();

	ASSERT_FALSE(timer.running());

	ASSERT_EQ(10 * SEC, timer.time_ms());

	timer.increment_preset_ms(SEC);

	ASSERT_EQ(SEC, timer.preset_ms());

	// increment causes reset

	timer.toggleStart();

	ASSERT_TRUE(timer.running());

	timer.increment_preset_ms(2 * SEC);

	ASSERT_FALSE(timer.running());

	ASSERT_EQ(2 * SEC, timer.preset_ms());
}

UTEST(timer, display_value) {

	// The display value should count up in stopwatch mode

	FreqTimer timer;

	_timestamp_ms_value = 0;

	timer.toggleStart();

	_timestamp_ms_value = 10 * SEC + 100;

	std::string display_val = timer.counter_display_value();
	ASSERT_STREQ("00 : 00 : 10.1", display_val.c_str());

	timer.reset();
	timer.toggleStart();

	_timestamp_ms_value += 95 * HOUR + 59 * MIN + 48 * SEC + 800 * MILISEC;
	
	display_val = timer.counter_display_value();
	ASSERT_STREQ("95 : 59 : 48.8", display_val.c_str());

	timer.reset();
	timer.toggleStart();

	_timestamp_ms_value += 99 * HOUR + MILISEC;
	
	display_val = timer.counter_display_value();
	ASSERT_STREQ("MAX TIME EXCEEDED", display_val.c_str());

	// The display value should countdown if the timer has a preset

	timer.increment_preset_ms(10 * SEC);

	display_val = timer.counter_display_value();
	ASSERT_STREQ("00 : 00 : 10.0", display_val.c_str());

	timer.toggleStart();

	_timestamp_ms_value += 6 * SEC;

	display_val = timer.counter_display_value();
	ASSERT_STREQ("00 : 00 : 04.0", display_val.c_str());

	_timestamp_ms_value += 5 * SEC;

	display_val = timer.counter_display_value();
	ASSERT_STREQ("+ 00 : 00 : 01.0", display_val.c_str());
}

UTEST_MAIN();