using System.IO;
using UnityEngine;

/// <summary>
/// StartScreen scene manager 
/// </summary>
public class MainMenuScreen : MonoBehaviour
{
    /// <summary>
    /// Referece to the userlist to check whether an user account is present
    /// </summary>
    public UserList userList;

    /// <summary>
    /// Check on load whether a user is already present, 
    /// if not load the UserCreationScreen scene so the user can create a new account
    /// </summary>
    void Awake()
    {
        userList.Load();
        if (!File.Exists(UserList.PATH) || userList.GetUsers().Count <= 0)
        {
            SystemController.GetInstance().LoadNextScene("Accounts/Scenes/UserCreationScreen");
        }
    }

    /// <summary>
    /// Quit the application
    /// </summary>
    public void QuitApplication()
    {
        Application.Quit();
    }

    /// <summary>
    /// Load the `CoursesMenuScreen` scene
    /// </summary>
    public void GotoCourses()
    {
        SystemController.GetInstance().LoadNextScene("Common/Scenes/CoursesMenuScreen");
    }

    /// <summary>
    /// Load the `ListMinigamesScreen` scene
    /// </summary>
    public void GotoMinigames()
    {
        SystemController.GetInstance().LoadNextScene("Common/Scenes/ListMinigamesScreen");
    }

    /// <summary>
    /// Load the `SettingsScreen` scene
    /// </summary>
    public void GotoSettings()
    {
        SystemController.GetInstance().LoadNextScene("Common/Scenes/SettingsScreen");
    }
}