package hhn.temp.project;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

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

public class GoodCasesTest {
    AssignmentManager manager;

    @BeforeEach
    public void setup() {
        manager = new AssignmentManager();
    }

    @Test
    @DisplayName("Assert that a Worker can add a Task")
    public void assertWorkerCanAddTask() {
        int workerId = manager.createWorker("Alfred");
        int taskId = manager.addTask(workerId, "Run", "Jog 10 Miles");
        assertNotNull(manager.getTask(taskId));
        assertEquals("Run", manager.getTask(taskId).getName());
    }

    @Test
    @DisplayName("Assert that added Tasks are added to the List")
    public void assertTasksShowInList() {
        int sizeCount = manager.getTaskMap().size();
        int workerId = manager.createWorker("Alfred");
        int taskId = manager.addTask(workerId, "Run", "Jog 10 Miles");
        assertEquals(sizeCount + 1, manager.getTaskMap().size());
    }

    @Test
    @DisplayName("Assert existing Tasks can be edited")
    public void assertExistingTasksCanBeEdited() {
        int workerId = manager.createWorker("Alfred");
        int taskId = manager.addTask(workerId, "Run", "Jog 10 Miles");
        manager.editTask(workerId, taskId, "Walk", "Walk 3 Miles");
        assertEquals("Walk", manager.getTask(taskId).getName());
        assertEquals("Walk 3 Miles", manager.getTask(taskId).getDescription());
    }

    @Test
    @DisplayName("Assert that Worker can remove Task")
    public void assertWorkerCanRemoveOwnTask() {
        int sizeCount = manager.getTaskMap().size();
        int workerId = manager.createWorker("Alfred");
        int taskId = manager.addTask(workerId, "Run", "Jog 10 Miles");
        assertEquals(sizeCount + 1, manager.getTaskMap().size());
        manager.removeTask(taskId);
        assertEquals(sizeCount, manager.getTaskMap().size());
    }

    @Test
    @DisplayName("Assert deleted Tasks no longer show up in the List")
    public void assertDeletedTasksDisappear() {
        int workerId = manager.createWorker("Alfred");
        int taskId = manager.addTask(workerId, "Run", "Jog 10 Miles");
        manager.removeTask(taskId);
        assertThrows(IllegalArgumentException.class, () -> manager.getTask(taskId));
    }

    @Test
    @DisplayName("Check Getters")
    public void assertGettersWorkCorrectly() {
        int workerId = manager.createWorker("Alfred");
        int taskId = manager.addTask(workerId, "Run", "Jog 10 Miles");
        assertEquals("Alfred", manager.workerMap.get(workerId).getName());
        //This one may be somewhat nonsensical, but it ensures the getId works so one may iterate over the workerMap
        assertEquals(manager.workerMap.get(workerId).getId(), workerId);
        assertEquals(manager.getTask(taskId).getTaskId(), taskId);
        assertEquals(manager.getTask(taskId).getWorkerId(), workerId);

    }

    @Test
    @DisplayName("Assert that Task State is actually changed when submitted as finished")
    public void assertTaskStateChanges() {
        int workerId = manager.createWorker("Alfred");
        int taskId = manager.addTask(workerId, "Run", "Jog 10 Miles");
        manager.finishTask(workerId, taskId);
        assertSame(TaskState.FINISHED, manager.getTask(taskId).getTaskState());
        manager.unfinishTask(workerId, taskId);
        assertSame(TaskState.IN_PROGRESS, manager.getTask(taskId).getTaskState());
    }

    @Test
    @DisplayName("Assert that the Scanner is actually started when AM calls start")
    public void assertScannerExists() {
        try {
            manager.getUserCommands().getScanner();
        } catch (Exception e) {
            fail("Scanner does not exists or can't be gotten by getScanner()");
        }
    }
    @Test
    @DisplayName("Check that every required surface command actually works")
    public void assertCommandsAreRecognized() {
        assertDoesNotThrow(() -> manager.getUserCommands().handleInput("?"));
        assertDoesNotThrow(() -> manager.getUserCommands().handleInput("help"));
        assertDoesNotThrow(() -> manager.getUserCommands().handleInput("createWorker"));
        assertDoesNotThrow(() -> manager.getUserCommands().handleInput("createTask"));
        assertDoesNotThrow(() -> manager.getUserCommands().handleInput("selectTask"));
        assertDoesNotThrow(() -> manager.getUserCommands().handleInput("listWorkers"));
        assertDoesNotThrow(() -> manager.getUserCommands().handleInput("exit"));
    }
    @Test
    @DisplayName("Check that every task command works")
    public void assertFinishingTasksIsPossibleThroughUi() {
        int workerId = manager.createWorker("Alfred");
        int taskId = manager.addTask(workerId, "Run", "Jog 10 Miles");
        manager.getUserCommands().handleInput("selectTask");
        assertDoesNotThrow(() -> manager.getUserCommands().handleInput(taskId));
        assertDoesNotThrow(() -> manager.getUserCommands().handleInput("finishTask"));
    }

}