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

/// <summary>
/// Test the UserButton class
/// </summary>
public class UserButtonTests
{
    /// <summary>
    /// Setup the environment before each test
    /// </summary>
    [UnitySetUp]
    public IEnumerator SetupFunction()
    {
        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();
        SystemController.GetInstance().LoadNextScene("Common/Scenes/CoursesMenuScreen");
        yield return new WaitForSeconds(0.2f);
    }

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

    /// <summary>
    /// Test the ChangeUserCallback on the UserButton
    /// </summary>
    [UnityTest]
    public IEnumerator ChangeUserCallbackTest()
    {
        var userButton = GameObject.FindObjectOfType<UserButton>();
        userButton.ChangeUserCallback();
        yield return new WaitForSeconds(0.2f);

        var changeUserScreen = GameObject.FindObjectOfType<ChangeUserScreen>();
        Assert.IsNotNull(changeUserScreen);
        yield return null;
    }
    /// <summary>
    /// Test if the username and avatar are correctly loaded
    /// </summary>
    [UnityTest]
    public IEnumerator CorrectUsernameAndAvatarTest()
    {
        var userButton = GameObject.FindObjectOfType<UserButton>();

        Assert.AreEqual("TEST", userButton.username.text, "Username is not correctly displayed.");
        Assert.IsNotNull(userButton.avatar.sprite, "Avatar sprite is null.");

        yield return null;
    }

    /// <summary>
    /// Test the transition to UserProgressScreen
    /// </summary>
    [UnityTest]
    public IEnumerator ChangeSceneToUserProgressScreenTest()
    {
        var userButton = GameObject.FindObjectOfType<UserButton>();

        userButton.OpenProgressCallback();
        yield return new WaitForSeconds(0.2f);

        var userProgressScreen = GameObject.FindObjectOfType<UserProgressScreen>();
        Assert.IsNotNull(userProgressScreen, "Scene was not correctly changed to UserProgressScreen.");
    }

    /// <summary>
    /// Test is the user dropdown menu works correctly
    /// </summary>
    [UnityTest]
    public IEnumerator ToggleDropdownTest()
    {
        var userButton = GameObject.FindObjectOfType<UserButton>();

        bool initialActiveState = userButton.dropdownBox.activeSelf;
        userButton.ToggleDropdown();

        Assert.AreNotEqual(initialActiveState, userButton.dropdownBox.activeSelf, "Dropdown box active state was not toggled.");

        yield return null;
    }
}