package com.example.demirkorac.labexam1;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private EditText newUsername, newPassword, etLocation,yearOfBirth;
    SharedPreferences preferences;
    private Intent intent;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        newUsername = findViewById(R.id.newUsername);
        newPassword = findViewById(R.id.newPassword);
        etLocation = findViewById(R.id.etLocation);
        yearOfBirth=findViewById(R.id.yearOfBirth);

        preferences = this.getSharedPreferences("mypreferences", Context.MODE_PRIVATE);
    }

    public void register(View v) {
        if(validateUser(newUsername.getText().toString(), newPassword.getText().toString(), etLocation.getText().toString(),yearOfBirth.getText().toString())) {
            preferences.edit().putString("username", newUsername.getText().toString()).apply();
            preferences.edit().putString("password", newPassword.getText().toString()).apply();
            preferences.edit().putString("location", etLocation.getText().toString()).apply();
            preferences.edit().putString("yearOfBirth", yearOfBirth.getText().toString()).apply();

            Toast.makeText(this, "Successfully registered!", Toast.LENGTH_SHORT).show();
            intent = new Intent(this, LoginActivity.class);
            startActivity(intent);
        }
    }

    public boolean validateUser(String username, String password, String location, String yearOfBirth) {
        if(username.equals("") || password.equals("") || location.equals("")) {
            Toast.makeText(this, "No empty fields are allowed", Toast.LENGTH_SHORT).show();
        } else if(username.length() > 4){
            Toast.makeText(this, "The username should not exceed 4 characters", Toast.LENGTH_SHORT).show();
        } else if(password.length() < 3) {
            Toast.makeText(this, "The password length should be minimum 3 characters", Toast.LENGTH_SHORT).show();
        } else if(yearOfBirth.length() !=4) {
            Toast.makeText(this, "The year of birth should be 4 digits long", Toast.LENGTH_SHORT).show();
        }else {
            return true;
        }

        return false;
    }
}