package cz.davza.studentadventure.rooms;

import cz.davza.studentadventure.Items.Book;
import cz.davza.studentadventure.TestHelpers;
import cz.davza.studentadventure.enums.CommandState;
import cz.davza.studentadventure.objects.CommandResult;
import cz.davza.studentadventure.objects.GameData;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;

class ExamRoomTest {

    private GameData context;
    private ExamRoomRoom examRoom;

    @BeforeEach
    void setUp() {
        context = TestHelpers.buildGameData();
        // Navigate to exam room entrance: bedroom → hallway → classroom → examroom
        context.getPlayer().getInventory().Add(new Book(), 1);
        context.getMap().setNextRoom(context.getMap().getCurrentRoom().getExit("hallway"));
        context.getMap().commitRoomChange();
        context.getMap().setNextRoom(context.getMap().getCurrentRoom().getExit("classroom"));
        context.getMap().commitRoomChange();
        examRoom = (ExamRoomRoom) context.getMap().getCurrentRoom().getExit("examroom");
    }

    @Test
    void onEnterReturnsActionPending() {
        CommandResult result = examRoom.onEnter(context);
        assertEquals(CommandState.ACTION_PENDING, result.getResultState());
    }

    @Test
    void onEnterSetsExamRoomAsHandler() {
        CommandResult result = examRoom.onEnter(context);
        assertEquals(examRoom, result.getNewCommandHandler());
    }

    @Test
    void correctIdAllowsEntry() {
        examRoom.onEnter(context);
        String correctId = context.getPlayer().getId();
        CommandResult result = examRoom.handleCommand(correctId, context);
        assertEquals(CommandState.ACTION_RESUMED, result.getResultState());
    }

    @Test
    void wrongIdReturnsFailed() {
        examRoom.onEnter(context);
        CommandResult result = examRoom.handleCommand("wrongid999", context);
        assertEquals(CommandState.FAILED, result.getResultState());
    }

    @Test
    void leaveCommandCancelsEntry() {
        examRoom.onEnter(context);
        CommandResult result = examRoom.handleCommand("leave", context);
        assertEquals(CommandState.ACTION_RESUMED, result.getResultState());
    }

    @Test
    void leaveCommandCancelsRoomChange() {
        context.getMap().setNextRoom(examRoom);
        examRoom.onEnter(context);
        examRoom.handleCommand("leave", context);
        assertNull(context.getMap().getNextRoom());
    }

    @Test
    void idCheckIsCaseInsensitive() {
        examRoom.onEnter(context);
        String id = context.getPlayer().getId();
        CommandResult result = examRoom.handleCommand(id.toUpperCase(), context);
        assertEquals(CommandState.ACTION_RESUMED, result.getResultState());
    }

    @Test
    void examRoomHasTakeExamCommand() {
        assertTrue(examRoom.getAllowedCommands().contains("takeexam"));
    }
}