#include <unity.h>

#include "PulseTimer.h"

void test_clamps_timer_range() {
  TEST_ASSERT_EQUAL_UINT16(MIN_TIMER_MS, trbc::clampTimerMs(MIN_TIMER_MS - 1000));
  TEST_ASSERT_EQUAL_UINT16(5000, trbc::clampTimerMs(5000));
  TEST_ASSERT_EQUAL_UINT16(MAX_TIMER_MS, trbc::clampTimerMs(MAX_TIMER_MS + 2000));
}

void test_adjusts_in_100_ms_steps() {
  TEST_ASSERT_EQUAL_UINT16(5100, trbc::adjustTimerMs(5000, 1));
  TEST_ASSERT_EQUAL_UINT16(4700, trbc::adjustTimerMs(5000, -3));
}

void test_adjusts_in_seconds_above_tasmota_threshold() {
  TEST_ASSERT_EQUAL_UINT16(11100, trbc::adjustTimerMs(11000, 1));
  TEST_ASSERT_EQUAL_UINT16(12000, trbc::adjustTimerMs(11100, 1));
  TEST_ASSERT_EQUAL_UINT16(13000, trbc::adjustTimerMs(12000, 1));
  TEST_ASSERT_EQUAL_UINT16(12000, trbc::adjustTimerMs(13000, -1));
  TEST_ASSERT_EQUAL_UINT16(11100, trbc::adjustTimerMs(12000, -1));
}

void test_adjustment_stays_in_range() {
  TEST_ASSERT_EQUAL_UINT16(MIN_TIMER_MS, trbc::adjustTimerMs(MIN_TIMER_MS, -1));
  TEST_ASSERT_EQUAL_UINT16(MAX_TIMER_MS, trbc::adjustTimerMs(MAX_TIMER_MS, 1));
}

void test_normalizes_to_tasmota_representable_values() {
  TEST_ASSERT_EQUAL_UINT16(5500, trbc::normalizeTimerMs(5450));
  TEST_ASSERT_EQUAL_UINT16(12000, trbc::normalizeTimerMs(11400));
  TEST_ASSERT_EQUAL_UINT16(12000, trbc::normalizeTimerMs(11500));
}

void test_converts_to_tasmota_pulsetime_units() {
  TEST_ASSERT_EQUAL_UINT16(20, trbc::tasmotaPulseTimeValue(2000));
  TEST_ASSERT_EQUAL_UINT16(55, trbc::tasmotaPulseTimeValue(5500));
  TEST_ASSERT_EQUAL_UINT16(111, trbc::tasmotaPulseTimeValue(11100));
  TEST_ASSERT_EQUAL_UINT16(112, trbc::tasmotaPulseTimeValue(12000));
  TEST_ASSERT_EQUAL_UINT16(113, trbc::tasmotaPulseTimeValue(13000));
}

int main() {
  UNITY_BEGIN();
  RUN_TEST(test_clamps_timer_range);
  RUN_TEST(test_adjusts_in_100_ms_steps);
  RUN_TEST(test_adjusts_in_seconds_above_tasmota_threshold);
  RUN_TEST(test_adjustment_stays_in_range);
  RUN_TEST(test_normalizes_to_tasmota_representable_values);
  RUN_TEST(test_converts_to_tasmota_pulsetime_units);
  return UNITY_END();
}