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

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


public class StartGamesTests
{


    [UnityTest]
    public IEnumerator BootWithUsersTest()
    {
        string path = Path.Combine("Assets", "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);
        }

        SceneManager.LoadScene("Common/Scenes/Boot");

        yield return new WaitForSeconds(1);

        var userCreationScreen = (UserCreationScreen) GameObject.FindObjectOfType(typeof(UserCreationScreen));
        var bootScreen = (BootScreen) GameObject.FindObjectOfType(typeof(BootScreen));
        var mainMenuScreen = (MainMenuScreen) GameObject.FindObjectOfType(typeof(MainMenuScreen));

        // yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
        // if (Application.HasUserAuthorization(UserAuthorization.WebCam))
        // {
        //     Debug.Log("no access");
        //     Assert.IsNull(userCreationScreen);
        //     Assert.IsNull(mainMenuScreen);
        //     Assert.IsNotNull(bootScreen);
        //     Assert.AreEqual(bootScreen.errorText.text, "Zorg ervoor dat deze applicatie toegang heeft tot je webcam!");
        // }
        // else 
        if(0 >= WebCamTexture.devices.Length){
            Debug.Log("no webcam");
            Assert.IsNull(userCreationScreen);
            Assert.IsNull(mainMenuScreen);
            Assert.IsNotNull(bootScreen);
            Assert.AreEqual(bootScreen.errorText.text, "Zorg ervoor dat je webcam correct is aangesloten!");
        }
         else
        {
            Debug.Log("everything is there");
            Assert.IsNull(bootScreen);
            Assert.IsNull(userCreationScreen);
            Assert.IsNotNull(mainMenuScreen);
        }
    }

    [UnityTest]
    public IEnumerator BootWithoutUsersTest()
    {
        // Arrange
        string path = Path.Combine("Assets", "users.json");
        var oneUser = "{}";

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

        SceneManager.LoadScene("Common/Scenes/Boot");

        yield return new WaitForSeconds(1);

        var userCreationScreen = (UserCreationScreen) GameObject.FindObjectOfType(typeof(UserCreationScreen));
        var bootScreen = (BootScreen) GameObject.FindObjectOfType(typeof(BootScreen));
        var mainMenuScreen = (MainMenuScreen) GameObject.FindObjectOfType(typeof(MainMenuScreen));

        // yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
        // if (Application.HasUserAuthorization(UserAuthorization.WebCam))
        // {
        //     Debug.Log("no access");
        //     Assert.IsNull(userCreationScreen);
        //     Assert.IsNull(mainMenuScreen);
        //     Assert.IsNotNull(bootScreen);
        //     Assert.AreEqual(bootScreen.errorText.text, "Zorg ervoor dat deze applicatie toegang heeft tot je webcam!");
        // }
        // else 
        if(0 >= WebCamTexture.devices.Length){
            Debug.Log("no webcam");
            Assert.IsNull(userCreationScreen);
            Assert.IsNull(mainMenuScreen);
            Assert.IsNotNull(bootScreen);
            Assert.AreEqual(bootScreen.errorText.text, "Zorg ervoor dat je webcam correct is aangesloten!");
        } else
        {
            Debug.Log("no users");
            Assert.IsNull(bootScreen);
            Assert.IsNull(mainMenuScreen);
            Assert.IsNotNull(userCreationScreen);
        }
    }

}