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

/// <summary>
/// Test the PanelMultipleChoice, PanelWithImage, and PanelWithVideoAndImage classes
/// </summary>
[TestFixture]
public class CoursePanelsTests
{
    /// <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();
        SceneManager.LoadScene("Common/Scenes/MainMenuScreen");
        yield return null;

        var mainMenuScreen = GameObject.FindObjectOfType<MainMenuScreen>();
        mainMenuScreen.GotoCourses();
        yield return null;

        var courseMenuScreen = GameObject.FindObjectOfType<CourseMenuScreen>();
        var courseList = courseMenuScreen.courseList;
        Assert.IsNotNull(courseList, "Course was not started.");
        courseList.SetCurrentCourse(0);
        SystemController.GetInstance().LoadNextScene("Common/Scenes/CourseActivityScreen");
        yield return null;

        var courseActivityScreen = GameObject.FindObjectOfType<CourseActivityScreen>();
        Assert.IsNotNull(courseActivityScreen);
        courseActivityScreen.StartCourse();
        yield return null;
    }

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

    /// <summary>
    /// Test pausing/resuming the video in all course panels
    /// </summary>
    [UnityTest]
    public IEnumerator PlayPauseTest()
    {
        var coursesController = GameObject.FindObjectOfType<CoursesController>();
        Assert.IsNotNull(coursesController);

        yield return null;

        PanelWithVideoAndImage panel = GameObject.FindObjectOfType<PanelWithVideoAndImage>();
        Assert.IsNotNull(panel);

        panel.TogglePlayPause();
        yield return null;
        Assert.IsFalse(panel.videoPlayer.isPlaying);
        panel.TogglePlayPause();
        yield return null;
        Assert.IsTrue(panel.videoPlayer.isPlaying);

        yield return coursesController.SummonMultipleChoice();

        PanelMultipleChoice panel2 = GameObject.FindObjectOfType<PanelMultipleChoice>();
        Assert.IsNotNull(panel2);

        panel2.TogglePlayPause();
        yield return null;
        Assert.IsFalse(panel2.videoPlayer.isPlaying);
        panel2.TogglePlayPause();
        yield return null;
        Assert.IsTrue(panel2.videoPlayer.isPlaying);
        yield return null;
    }
}