using NUnit.Framework;
using System.Collections;
using System.IO;
using UnityEditor;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.TestTools;

/// <summary>
/// Test the BootScreen class
/// </summary>
public class BootScreenTests
{
    /// <summary>
    /// Setup the environment before each test
    /// </summary>
    [UnityTest]
    public IEnumerator BootWithUsersTest()
    {
        string path = $"{Application.persistentDataPath}/wesign_unit_test.json";
        string oneUser = $"{{\"version\":1537,\"users\":[{{\"entries\":[],\"username\":\"TEST\",\"avatarIndex\":0,\"playtime\":0.0,\"minigames\":[],\"courses\":[]}}],\"currentUser\":0,\"currentMinigame\":0,\"currentCourse\":0,\"currentTheme\":0,\"useGPU\":false}}";

        File.WriteAllText(path, oneUser);
        PersistentDataController.PATH = path;
        PersistentDataController.GetInstance().Load();
        AssetDatabase.LoadAssetAtPath<UserAvatarList>("Assets/Accounts/ScriptableObjects/UserAvatarList.asset").Awake();
        SceneManager.LoadScene("Common/Scenes/Boot");

        yield return new WaitForSeconds(1);

        var userCreationScreen = GameObject.FindObjectOfType<UserCreationScreen>();
        var bootScreen = GameObject.FindObjectOfType<BootScreen>();
        var mainMenuScreen = GameObject.FindObjectOfType<MainMenuScreen>();

        if (0 >= WebCamTexture.devices.Length)
        {
            Assert.IsNull(mainMenuScreen);
            Assert.IsNotNull(bootScreen);
            Assert.AreEqual(bootScreen.errorText.text, "Zorg ervoor dat je webcam correct is aangesloten!");
        }
        else
        {
            Assert.IsNull(bootScreen);
            Assert.IsNotNull(mainMenuScreen);
        }
        Assert.IsNull(userCreationScreen);
    }

    /// <summary>
    /// Cleanup after testing
    /// </summary>
    [TearDown]
    public void TearDown_StartGamesTests()
    {
        PersistentDataController.PATH = null;
    }

    /// <summary>
    /// Test booting without user
    /// </summary>
    [UnityTest]
    public IEnumerator BootWithoutUsersTest()
    {
        string path = $"{Application.persistentDataPath}/wesign_unit_test.json";
        string noUsers = "https://www.youtube.com/watch?v=dQw4w9WgXcQ";

        File.WriteAllText(path, noUsers);
        PersistentDataController.PATH = path;
        PersistentDataController.GetInstance().Load();
        AssetDatabase.LoadAssetAtPath<UserAvatarList>("Assets/Accounts/ScriptableObjects/UserAvatarList.asset").Awake();
        SceneManager.LoadScene("Common/Scenes/Boot");

        yield return new WaitForSeconds(1);

        var userCreationScreen = GameObject.FindObjectOfType<UserCreationScreen>();
        var bootScreen = GameObject.FindObjectOfType<BootScreen>();
        var mainMenuScreen = GameObject.FindObjectOfType<MainMenuScreen>();

        if (0 >= WebCamTexture.devices.Length)
        {
            Assert.IsNull(userCreationScreen);
            Assert.IsNotNull(bootScreen);
            Assert.AreEqual(bootScreen.errorText.text, "Zorg ervoor dat je webcam correct is aangesloten!");
        }
        else
        {
            Assert.IsNull(bootScreen);
            Assert.IsNotNull(userCreationScreen);
        }
        Assert.IsNull(mainMenuScreen);
    }
}