using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using UnityEngine.SceneManagement;
using System;
using System.IO;
    public class loginScript : MonoBehaviour {
    public  Text name;// login tab for username
    public  Text pw; // login tab for password
    public Text createName; // create account tab username
    public Text createPw; // create account tab password
    public GameObject wrongUserOrPass;
    public GameObject noUsername;
    public GameObject noPassword;
    public GameObject pressSubmit;
    //hide submit part
    public GameObject textCreateAcc;
    public GameObject textUsername;
    public GameObject textPassword;
    public GameObject inputFieldUsername;
    public GameObject inputFieldPassword;
    public GameObject submitButton;
    public GameObject submitSuccessful;
    public void Start()
    {
        wrongUserOrPass.SetActive(false);
        noUsername.SetActive(false);
        noPassword.SetActive(false);
        pressSubmit.SetActive(false);
        submitSuccessful.SetActive(false);

    }
    public void SubmitButton()
    {
            if(System.IO.File.Exists("C:/gameloginDATAUser.txt") == false)
         {
            string createUsername = createName.text.ToString();
            string createPassword = createPw.text.ToString();
            //put info in file
            if (string.IsNullOrEmpty(createUsername) && string.IsNullOrEmpty(createUsername))
            {
            }
            else
            {
                    System.IO.File.WriteAllText("C:/gameloginDATAUser.txt", createUsername);
                    System.IO.File.WriteAllText("C:/gameloginDATAPass.txt", createPassword);
                    submitSuccessful.SetActive(false);
            }


        }

    }

    public void LoginButton()
    {
        string userName = name.text.ToString();
        string password = pw.text.ToString();
        //read info from file
        string usernameReadFromFile = File.ReadAllText("C:/gameloginDATAUser.txt");
        string PasswordReadFromFile = File.ReadAllText("C:/gameloginDATAPass.txt");
        if (string.IsNullOrEmpty(userName))
        {
            Debug.Log("ERROR | No content in username tab");
            wrongUserOrPass.SetActive(false);
            noUsername.SetActive(true);
            noPassword.SetActive(false);
            pressSubmit.SetActive(false);
            submitSuccessful.SetActive(false);

            return;

        }
        if (string.IsNullOrEmpty(password))
        {
            Debug.Log("ERROR | No content in password tab");
            wrongUserOrPass.SetActive(false);
            noUsername.SetActive(false);
            noPassword.SetActive(true);
            pressSubmit.SetActive(false);
            submitSuccessful.SetActive(false);

            return;
        }
        if (string.Equals(userName, usernameReadFromFile) && string.Equals(password, PasswordReadFromFile))
        {
            SceneManager.LoadScene("mainMenu");
            wrongUserOrPass.SetActive(false);
            noUsername.SetActive(false);
            noPassword.SetActive(false);
            pressSubmit.SetActive(false);
        }
        else
        {
               Debug.Log("ERROR | Wrong username or password");
            wrongUserOrPass.SetActive(true);
            noUsername.SetActive(false);
            noPassword.SetActive(false);
            submitSuccessful.SetActive(false);

        }
        if (System.IO.File.Exists("C:/gameloginDATAUser.txt") && System.IO.File.Exists("C:/gameloginDATAPass.txt"))
        {
}
        else
        {
            pressSubmit.SetActive(true);
            wrongUserOrPass.SetActive(false);
            noUsername.SetActive(false);
            noPassword.SetActive(false);
            submitSuccessful.SetActive(false);


            Debug.Log("ERROR | Username file not found!");
        }
    }
    public void QuitButton()
    {
        Application.Quit();
    }
    public void RemoveFile()
    {
        File.Delete("C:/gameloginDATAUser.txt");
        File.Delete("C:/gameloginDATAPass.txt");
    }
    public void Update()
    {
        if (System.IO.File.Exists("C:/gameloginDATAUser.txt") && System.IO.File.Exists("C:/gameloginDATAPass.txt"))
        {
            textCreateAcc.SetActive(false);
            textUsername.SetActive(false);
            textPassword.SetActive(false);
            inputFieldUsername.SetActive(false);
            inputFieldPassword.SetActive(false);
            submitButton.SetActive(false);
        }
        else
        {
            textCreateAcc.SetActive(true);
            textUsername.SetActive(true);
            textPassword.SetActive(true);
            inputFieldUsername.SetActive(true);
            inputFieldPassword.SetActive(true);
            submitButton.SetActive(true);
        }
    }
}