package cz.davza.studentadventure.objects;

import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;

class GameTimeTest {

    @Test
    void startsOnDay1At8() {
        GameTime time = new GameTime();
        assertEquals(1, time.getDay());
        assertEquals(8, time.getHour());
    }

    @Test
    void advanceHoursWithinSameDay() {
        GameTime time = new GameTime();
        time.advanceHours(3);
        assertEquals(1, time.getDay());
        assertEquals(11, time.getHour());
    }

    @Test
    void advanceHoursRollsOverToNextDay() {
        GameTime time = new GameTime();
        time.advanceHours(20); // 8 + 20 = 28 → day 2, hour 4
        assertEquals(2, time.getDay());
        assertEquals(4, time.getHour());
    }

    @Test
    void advanceHoursRollsOverMultipleDays() {
        GameTime time = new GameTime();
        time.advanceHours(48); // 8 + 48 = 56 → day 3, hour 8
        assertEquals(3, time.getDay());
        assertEquals(8, time.getHour());
    }

    @Test
    void advanceToNextMorningSetsDay2Hour8() {
        GameTime time = new GameTime();
        time.advanceHours(5); // move to hour 13
        time.advanceToNextMorning();
        assertEquals(2, time.getDay());
        assertEquals(8, time.getHour());
    }

    @Test
    void notPastDeadlineAtStart() {
        GameTime time = new GameTime();
        assertFalse(time.isPastDeadline());
    }

    @Test
    void notPastDeadlineJustBeforeExam() {
        GameTime time = new GameTime();
        // advance to day 7, hour 8 — one hour before deadline
        for (int i = 0; i < 6; i++) time.advanceToNextMorning();
        assertEquals(7, time.getDay());
        assertEquals(8, time.getHour());
        assertFalse(time.isPastDeadline());
    }

    @Test
    void pastDeadlineAtExactDeadline() {
        GameTime time = new GameTime();
        for (int i = 0; i < 6; i++) time.advanceToNextMorning();
        time.advanceHours(1); // day 7, hour 9
        assertTrue(time.isPastDeadline());
    }

    @Test
    void pastDeadlineAfterDay7() {
        GameTime time = new GameTime();
        for (int i = 0; i < 7; i++) time.advanceToNextMorning();
        assertTrue(time.isPastDeadline());
    }

    @Test
    void toStringFormat() {
        GameTime time = new GameTime();
        assertEquals("Day 1, 08:00", time.toString());
    }
}