using System.Collections;
using System.Linq;
using System.IO;

using NUnit.Framework;
using TMPro;
using UnityEngine;
using UnityEngine.TestTools;
using UnityEngine.SceneManagement;


public class GameControllerTests
{

    [UnitySetUp]
    public IEnumerator SetupFunction()
    {
        string path = $"{Application.persistentDataPath}/unit_test_users.json";
        var oneUser = "{\"currentUserIndex\": 0,\"storedUsers\": [{\"username\": \"TEST\",\"avatar\": {\"instanceID\": 40848},\"playtime\": 0.0,\"courses\": [],\"minigames\": []}]}";

        using (StreamWriter writer = new StreamWriter(path))
        {
            writer.Write(oneUser);
        }

        SystemController.GetInstance().LoadNextScene("SpellingBee/Scenes/Game");
        yield return new WaitForSeconds(0.2f);
    }

    [UnityTest]
    public IEnumerator CheckScoreTest()
    {
        GameController gameController = (GameController)GameObject.FindObjectOfType(typeof(GameController));
        yield return new WaitForSeconds(0.2f);
        Assert.AreEqual(0, gameController.CalculateScore());
        gameController.NextWord();
        Assert.AreEqual(5, gameController.CalculateScore());
        gameController.NextLetter(true);
        Assert.AreEqual(6, gameController.CalculateScore());
    }

    [UnityTest]
    public IEnumerator ActivateGameOverTest()
    {
        GameController gameController = (GameController)GameObject.FindObjectOfType(typeof(GameController));
        gameController.ActivateGameOver();

        yield return new WaitForSeconds(0.2f);
        GameEndedPanel gameEndedPanel = (GameEndedPanel)GameObject.FindObjectOfType(typeof(GameEndedPanel));
        Assert.NotNull(gameEndedPanel);
        Assert.AreEqual("VERLOREN", gameEndedPanel.endText.text);

    }

    [UnityTest]
    public IEnumerator ActivateWinTests()
    {
        GameController gameController = (GameController)GameObject.FindObjectOfType(typeof(GameController));
        gameController.ActivateWin();

        yield return new WaitForSeconds(0.2f);
        GameEndedPanel gameEndedPanel = (GameEndedPanel)GameObject.FindObjectOfType(typeof(GameEndedPanel));
        Assert.NotNull(gameEndedPanel);
        Assert.AreEqual("GEWONNEN", gameEndedPanel.endText.text);
    }

    [UnityTest]
    public IEnumerator CheckGameOverTest()
    {
        GameController gameController = (GameController)GameObject.FindObjectOfType(typeof(GameController));
        gameController.AddSeconds(-60);

        yield return new WaitForSeconds(0.1f);
        GameEndedPanel gameEndedPanel = (GameEndedPanel)GameObject.FindObjectOfType(typeof(GameEndedPanel));
        Assert.NotNull(gameEndedPanel);
        Assert.AreEqual("VERLOREN", gameEndedPanel.endText.text);
    }
}