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

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

    /// <summary>
    /// Setup the PanelMinigameProgress tests
    /// </summary>
    private IEnumerator Setup_PanelMinigameProgress()
    {
        string path = $"{Application.persistentDataPath}/wesign_unit_test.json";
        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\"}]}";
        string oneUser = $"{{\"version\":1027,\"users\":[{{\"entries\":[],\"username\":\"Tester0\",\"avatarIndex\":0,\"playtime\":0.0,\"minigames\":[{minigame}],\"courses\":[]}}],\"currentUser\":0,\"currentMinigame\":0,\"currentCourse\":0,\"currentTheme\":0}}";

        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);

        GameObject.FindObjectOfType<UserProgressScreen>().DisplayMinigames();
        yield return new WaitForSeconds(WAIT_TIME);
    }

    /// <summary>
    /// Setup the PanelMinigameProgress tests
    /// </summary>
    private IEnumerator Setup_PanelMinigameProgress_Empty()
    {
        string path = $"{Application.persistentDataPath}/wesign_unit_test.json";
        string oneUser = $"{{\"version\":1027,\"users\":[{{\"entries\":[],\"username\":\"Tester0\",\"avatarIndex\":0,\"playtime\":0.0,\"minigames\":[],\"courses\":[]}}],\"currentUser\":0,\"currentMinigame\":0,\"currentCourse\":0,\"currentTheme\":0}}";

        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);

        GameObject.FindObjectOfType<UserProgressScreen>().DisplayMinigames();
        yield return new WaitForSeconds(WAIT_TIME);
    }

    /// <summary>
    /// Setup the PanelMinigameProgress tests
    /// </summary>
    private IEnumerator Setup_PanelMinigameProgress_NoScorePresent()
    {
        string path = $"{Application.persistentDataPath}/wesign_unit_test.json";
        string minigame = "{\"entries\":[],\"minigameIndex\":1,\"latestScores\":[],\"highestScores\":[]}";
        string oneUser = $"{{\"version\":1027,\"users\":[{{\"entries\":[],\"username\":\"Tester0\",\"avatarIndex\":0,\"playtime\":0.0,\"minigames\":[{minigame}],\"courses\":[]}}],\"currentUser\":0,\"currentMinigame\":0,\"currentCourse\":0,\"currentTheme\":0}}";

        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);

        GameObject.FindObjectOfType<UserProgressScreen>().DisplayMinigames();
        yield return new WaitForSeconds(WAIT_TIME);
    }

    /// <summary>
    /// Setup the PanelMinigameProgress tests
    /// </summary>
    private IEnumerator Setup_PanelMinigameProgress_Multiple()
    {
        string path = $"{Application.persistentDataPath}/wesign_unit_test.json";
        string minigame = "[{\"entries\":[],\"minigameIndex\":1,\"latestScores\":[{\"scoreValue\":70,\"time\":\"20/04/2023 16:08:43\"},{\"scoreValue\":20,\"time\":\"20/04/2023 16:11:53\"}],\"highestScores\":[{\"scoreValue\":70,\"time\":\"20/04/2023 16:08:43\"},{\"scoreValue\":20,\"time\":\"20/04/2023 16:11:53\"}]},{\"entries\":[],\"minigameIndex\":2,\"latestScores\":[{\"scoreValue\":194,\"time\":\"20/04/2023 15:27:41\"},{\"scoreValue\":155,\"time\":\"20/04/2023 15:28:56\"},{\"scoreValue\":84,\"time\":\"20/04/2023 15:42:10\"},{\"scoreValue\":465,\"time\":\"20/04/2023 16:14:22\"}],\"highestScores\":[{\"scoreValue\":465,\"time\":\"20/04/2023 16:14:22\"},{\"scoreValue\":194,\"time\":\"20/04/2023 15:27:41\"},{\"scoreValue\":155,\"time\":\"20/04/2023 15:28:56\"},{\"scoreValue\":84,\"time\":\"20/04/2023 15:42:10\"}]},{\"entries\":[],\"minigameIndex\":0,\"latestScores\":[{\"scoreValue\":1090,\"time\":\"20/04/2023 16:02:14\"},{\"scoreValue\":1180,\"time\":\"20/04/2023 16:07:02\"}],\"highestScores\":[{\"scoreValue\":1180,\"time\":\"20/04/2023 16:07:02\"},{\"scoreValue\":1090,\"time\":\"20/04/2023 16:02:14\"}]}]";
        string oneUser = $"{{\"version\":1027,\"users\":[{{\"entries\":[],\"username\":\"Tester0\",\"avatarIndex\":0,\"playtime\":0.0,\"minigames\":{minigame},\"courses\":[]}}],\"currentUser\":0,\"currentMinigame\":0,\"currentCourse\":0,\"currentTheme\":0}}";

        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);

        GameObject.FindObjectOfType<UserProgressScreen>().DisplayMinigames();
        yield return new WaitForSeconds(WAIT_TIME);
    }

    /// <summary>
    /// Cleanup after testing
    /// </summary>
    [TearDown]
    public void TearDown_PanelMinigameProgress()
    {
        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_PanelMinigameProgress();

        var panel = GameObject.FindObjectOfType<PanelMinigameProgress>();
        Assert.IsNotNull(panel);
        Assert.IsNotNull(panel.minigameList);
        Assert.IsNotNull(panel.minigameCardPrefab);
        Assert.IsNotNull(panel.minigamesContainer);
        Assert.IsNotNull(panel.minigameInfo);
        Assert.IsNotNull(panel.emptyMinigames);
        Assert.IsNotNull(panel.minigameTitle);
        Assert.IsNotNull(panel.progressGraph);
        Assert.IsNotNull(panel.emptyHighscore);
    }

    /// <summary>
    /// Test whether the panel is correctly initialized
    /// </summary>
    [UnityTest]
    public IEnumerator Test_Start()
    {
        yield return Setup_PanelMinigameProgress();

        var panel = GameObject.FindObjectOfType<PanelMinigameProgress>();
        Assert.IsTrue(panel.minigameInfo.gameObject.activeSelf);
        Assert.IsFalse(panel.emptyMinigames.gameObject.activeSelf);
        Assert.IsFalse(panel.emptyHighscore.gameObject.activeSelf);
        Assert.IsTrue(panel.progressGraph.gameObject.activeSelf);

        var minigame = panel.minigameList.GetMinigameByIndex(MinigameIndex.HANGMAN);
        Assert.AreEqual(minigame.title, panel.minigameTitle.text);
    }

    /// <summary>
    /// Test whether the panel is correctly initialized when there is no minigame progress
    /// </summary>
    [UnityTest]
    public IEnumerator Test_Start_Empty()
    {
        yield return Setup_PanelMinigameProgress_Empty();

        var panel = GameObject.FindObjectOfType<PanelMinigameProgress>();
        Assert.IsFalse(panel.minigameInfo.gameObject.activeSelf);
        Assert.IsTrue(panel.emptyMinigames.gameObject.activeSelf);
    }

    /// <summary>
    /// Test whether the panel is correctly initialized when there are minigames, but these don't have any score
    /// </summary>
    [UnityTest]
    public IEnumerator Test_Start_NoScorePresent()
    {
        yield return Setup_PanelMinigameProgress_NoScorePresent();

        var panel = GameObject.FindObjectOfType<PanelMinigameProgress>();
        Assert.IsTrue(panel.minigameInfo.gameObject.activeSelf);
        Assert.IsFalse(panel.emptyMinigames.gameObject.activeSelf);
        Assert.IsTrue(panel.emptyHighscore.gameObject.activeSelf);
        Assert.IsFalse(panel.progressGraph.gameObject.activeSelf);
    }

    /// <summary>
    /// Test whether we can select a minigame
    /// </summary>
    [UnityTest]
    public IEnumerator Test_UpdateSelection()
    {
        yield return Setup_PanelMinigameProgress_Multiple();

        var panel = GameObject.FindObjectOfType<PanelMinigameProgress>();
        var minigames = GameObject.FindObjectsOfType<MinigameProgressCard>();

        var currentMinigame = minigames[0];
        currentMinigame.selectActivity.Invoke();
        yield return new WaitForSeconds(WAIT_TIME);

        Assert.AreEqual(new Color(66 / 255f, 158 / 255f, 189 / 255f, 1f), currentMinigame.GetComponent<Image>().color);
        for (int i = 1; i < minigames.Length; i++)
            Assert.AreEqual(Color.gray, minigames[i].GetComponent<Image>().color);

        Assert.AreEqual(currentMinigame.title.text, panel.minigameTitle.text);
    }
}