package Application;

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

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

class MenuManagerTest {

    MenuManager mm;

    @BeforeEach
    void setUp() {
        Menu menu1 = new Menu("Menu1");
        Menu menu2 = new Menu("Menu2");
        Menu menu1_1 = new Menu("Menu1.1");
        menu1.addMenu(menu1_1);
        mm = new MenuManager();
        mm.addMenu(menu1);
        mm.addMenu(menu2);
    }

    @AfterEach
    void tearDown() {
    }

    @Test
    void select() {
        assertNull(mm.getCurrentMenu());
        mm.select(0);
        assertEquals(mm.getCurrentMenu().getName(), "Menu1");
        mm.select(0);
        assertEquals(mm.getCurrentMenu().getName(), "Menu1.1");
    }

    @Test
    void inRootMenu() {
        assertTrue(mm.inRootMenu());
        mm.select(0);
        assertFalse(mm.inRootMenu());
    }

    @Test
    void back() {
        try {
            mm.back();
            Assertions.fail("Test failed: shouldn't be able to go back in rootMenu");
        } catch (Exception e) {
            //Should throw Exception because currently in rootMenu
        }
        mm.select(0);
        try {
            mm.back();
            assertTrue(mm.inRootMenu());
        } catch (Exception e) {
            Assertions.fail("Test failed: " + e.getMessage());
        }
        mm.select(0);
        mm.select(0);
        try {
            mm.back();
            assertEquals(mm.getCurrentMenu().getName(), "Menu1");
        } catch (Exception e) {
            Assertions.fail("Test failed: " + e.getMessage());
        }
    }

    @Test
    void getFormattedMenuList(){
        assertEquals(mm.getFormattedMenuList(), "1: Menu1\n2: Menu2\n");
        mm.select(0);
        assertEquals(mm.getFormattedMenuList(), "1: Menu1.1\n");
    }

    @Test
    void getSize() {
        assertEquals(mm.getSize(), 2);
        mm.select(0);
        assertEquals(mm.getSize(), 1);
        mm.select(0);
        assertEquals(mm.getSize(), 0);
    }
}