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

/// <summary>
/// Test the UserProgressScreen class
/// </summary>
[TestFixture]
public class UserProgressScreenTests
{
    /// <summary>
    /// Wait time between scene transitions
    /// </summary>
    private const float WAIT_TIME = 0.2f;

    /// <summary>
    /// Setup the UserProgressScreen tests
    /// </summary>
    private IEnumerator Setup_UserProgressScreen(bool progress = true)
    {
        string path = $"{Application.persistentDataPath}/wesign_unit_test.json";
        string course = "{\"entries\":[],\"courseIndex\":0,\"progress\":0.03846153989434242,\"completedLearnables\":1,\"inUseLearnables\":7,\"totalLearnables\":26,\"learnables\":[{\"entries\":[],\"index\":0,\"inUse\":true,\"name\":\"A\",\"progress\":3.0},{\"entries\":[],\"index\":1,\"inUse\":true,\"name\":\"B\",\"progress\":4.5},{\"entries\":[],\"index\":2,\"inUse\":true,\"name\":\"C\",\"progress\":1.5},{\"entries\":[],\"index\":3,\"inUse\":true,\"name\":\"D\",\"progress\":1.5},{\"entries\":[],\"index\":4,\"inUse\":true,\"name\":\"E\",\"progress\":1.5},{\"entries\":[],\"index\":5,\"inUse\":true,\"name\":\"F\",\"progress\":1.5},{\"entries\":[],\"index\":6,\"inUse\":true,\"name\":\"G\",\"progress\":0.0},{\"entries\":[],\"index\":7,\"inUse\":false,\"name\":\"H\",\"progress\":0.0},{\"entries\":[],\"index\":8,\"inUse\":false,\"name\":\"I\",\"progress\":0.0},{\"entries\":[],\"index\":9,\"inUse\":false,\"name\":\"J\",\"progress\":0.0},{\"entries\":[],\"index\":10,\"inUse\":false,\"name\":\"K\",\"progress\":0.0},{\"entries\":[],\"index\":11,\"inUse\":false,\"name\":\"L\",\"progress\":0.0},{\"entries\":[],\"index\":12,\"inUse\":false,\"name\":\"M\",\"progress\":0.0},{\"entries\":[],\"index\":13,\"inUse\":false,\"name\":\"N\",\"progress\":0.0},{\"entries\":[],\"index\":14,\"inUse\":false,\"name\":\"O\",\"progress\":0.0},{\"entries\":[],\"index\":15,\"inUse\":false,\"name\":\"P\",\"progress\":0.0},{\"entries\":[],\"index\":16,\"inUse\":false,\"name\":\"Q\",\"progress\":0.0},{\"entries\":[],\"index\":17,\"inUse\":false,\"name\":\"R\",\"progress\":0.0},{\"entries\":[],\"index\":18,\"inUse\":false,\"name\":\"S\",\"progress\":0.0},{\"entries\":[],\"index\":19,\"inUse\":false,\"name\":\"T\",\"progress\":0.0},{\"entries\":[],\"index\":20,\"inUse\":false,\"name\":\"U\",\"progress\":0.0},{\"entries\":[],\"index\":21,\"inUse\":false,\"name\":\"V\",\"progress\":0.0},{\"entries\":[],\"index\":22,\"inUse\":false,\"name\":\"W\",\"progress\":0.0},{\"entries\":[],\"index\":23,\"inUse\":false,\"name\":\"X\",\"progress\":0.0},{\"entries\":[],\"index\":24,\"inUse\":false,\"name\":\"Y\",\"progress\":0.0},{\"entries\":[],\"index\":25,\"inUse\":false,\"name\":\"Z\",\"progress\":0.0}]}";
        string minigame = "{\"entries\":[],\"minigameIndex\":1,\"latestScores\":[{\"scoreValue\":70,\"time\":\"19/04/2023 22:32:39\"},{\"scoreValue\":55,\"time\":\"20/04/2023 11:50:10\"},{\"scoreValue\":55,\"time\":\"20/04/2023 13:27:15\"}],\"highestScores\":[{\"scoreValue\":70,\"time\":\"19/04/2023 22:32:39\"},{\"scoreValue\":55,\"time\":\"20/04/2023 11:50:10\"},{\"scoreValue\":55,\"time\":\"20/04/2023 13:27:15\"}]}";
        if (!progress) course = minigame = "";
        string oneUser = $"{{\"version\":1537,\"users\":[{{\"entries\":[],\"username\":\"Tester0\",\"avatarIndex\":0,\"playtime\":0.0,\"minigames\":[{minigame}],\"courses\":[{course}]}}],\"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().SwapScene("Accounts/Scenes/UserProgressScreen");
        yield return new WaitForSeconds(WAIT_TIME);
    }

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

    /// <summary>
    /// Test whether every item that needs to be assign in the editor, is assigned
    /// </summary>
    [UnityTest]
    public IEnumerator Test_EditorAssignments()
    {
        yield return Setup_UserProgressScreen();

        var userProgressController = GameObject.FindObjectOfType<UserProgressScreen>();
        Assert.IsNotNull(userProgressController.username);
        Assert.IsNotNull(userProgressController.avatar);
        Assert.IsNotNull(userProgressController.coursesPanel);
        Assert.IsNotNull(userProgressController.coursesTabButton);
        Assert.IsNotNull(userProgressController.minigamesPanel);
        Assert.IsNotNull(userProgressController.minigamesTabButton);
    }

    /// <summary>
    /// Test whether the screen is correctly initialized
    /// </summary>
    [UnityTest]
    public IEnumerator Test_Start_NoProgress()
    {
        yield return Setup_UserProgressScreen(false);

        var userProgressController = GameObject.FindObjectOfType<UserProgressScreen>();
        var user = UserList.GetCurrentUser();

        Assert.AreEqual(user.GetUsername(), userProgressController.username.text);
        Assert.AreEqual(user.GetAvatar(), userProgressController.avatar.sprite);

        Assert.IsTrue(userProgressController.coursesPanel.activeSelf);
        Assert.Zero(GameObject.FindObjectsOfType<CourseProgressCard>().Length);
        Assert.IsFalse(userProgressController.minigamesPanel.activeSelf);
    }

    /// <summary>
    /// Test whether the screen is correctly initialized
    /// </summary>
    [UnityTest]
    public IEnumerator Test_Start_WithProgress()
    {
        yield return Setup_UserProgressScreen();

        var userProgressController = GameObject.FindObjectOfType<UserProgressScreen>();
        var user = UserList.GetCurrentUser();

        Assert.AreEqual(user.GetUsername(), userProgressController.username.text);
        Assert.AreEqual(user.GetAvatar(), userProgressController.avatar.sprite);

        Assert.IsTrue(userProgressController.coursesPanel.activeSelf);
        var courses = GameObject.FindObjectsOfType<CourseProgressCard>().ToList();
        Assert.AreEqual(user.GetCourses().Count, courses.Count);
        Assert.IsFalse(userProgressController.minigamesPanel.activeSelf);
    }

    /// <summary>
    /// Test whether the course panel is displayed
    /// </summary>
    [UnityTest]
    public IEnumerator Test_DisplayCourses()
    {
        yield return Setup_UserProgressScreen();

        var userProgressController = GameObject.FindObjectOfType<UserProgressScreen>();
        userProgressController.DisplayCourses();
        yield return new WaitForSeconds(WAIT_TIME);

        Assert.IsTrue(userProgressController.coursesPanel.activeSelf);
        Assert.IsFalse(userProgressController.minigamesPanel.activeSelf);
    }

    /// <summary>
    /// Test whether the minigames panel is displayed
    /// </summary>
    /// <returns></returns>
    [UnityTest]
    public IEnumerator Test_DisplayMinigames()
    {
        yield return Setup_UserProgressScreen();

        var userProgressController = GameObject.FindObjectOfType<UserProgressScreen>();
        userProgressController.DisplayMinigames();
        yield return new WaitForSeconds(WAIT_TIME);

        Assert.IsFalse(userProgressController.coursesPanel.activeSelf);
        Assert.IsTrue(userProgressController.minigamesPanel.activeSelf);
    }
}