using NUnit.Framework;
using System.Collections.Generic;
using UnityEngine.SceneManagement;

/// <summary>
/// Test the SystemController class
/// </summary>
[TestFixture]
public class SystemControllerTests
{
    /// <summary>
    /// Test whether the singleton instance is correctly returned
    /// </summary>
    [Test]
    public void Test_SystemController_GetInstance()
    {
        Assert.IsNotNull(SystemController.GetInstance());
    }

    /// <summary>
    /// Test whether a non valid scene also yields a non valid index
    /// </summary>
    [Test]
    public void Test_GetSceneIndex_InvalidScene()
    {
        Assert.AreEqual(-1, SystemController.GetSceneIndex("a/non/existing/scene"));
    }

    /// <summary>
    /// Test whether a valid scene also yields a valid index
    /// </summary>
    [Test]
    public void Test_GetSceneIndex_ValidScene()
    {
        List<string> scenes = new List<string>()
        {
            "Common/Scenes/Boot",
            "Common/Scenes/MainMenuScreen",
            "Common/Scenes/CoursesMenuScreen",
            "Common/Scenes/ListCoursesScreen",
            "Common/Scenes/ListMinigamesScreen",
            "Common/Scenes/CourseActivityScreen",
            "Common/Scenes/MinigameActivityScreen",
            "Common/Scenes/ThemeSelectionScreen",
            "Common/Scenes/SettingsScreen",
            "Accounts/Scenes/UserCreationScreen",
            "Accounts/Scenes/ChangeUserScreen",
            "Accounts/Scenes/UserProgressScreen",
            "Courses/Scenes/CourseScreen",
            "SpellingBee/Scenes/SpellingBeeGame",
            "Hangman/Scenes/HangmanGame",
            "JustSign/Scenes/JustSignGame",
        };
        Assert.AreEqual(SceneManager.sceneCountInBuildSettings, scenes.Count);
        // Testing wether the names and indices are correct needs to be done in PlayMode
    }
}