package com.example.final_project;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.content.Intent;
import android.view.Gravity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.HashSet;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import androidx.annotation.NonNull;
public class SignUp extends AppCompatActivity implements View.OnClickListener {
private HashSet<String> usernamesUsed;
private static DatabaseReference databaseUsers = FirebaseDatabase.getInstance().getReference("users");
private static DatabaseReference databaseServices = FirebaseDatabase.getInstance().getReference("services");
private ArrayList<DataBaseUser> users;
private ArrayList<DataBaseService> services;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sign_up);
Button button1 = findViewById(R.id.createButton);
Button button2 = findViewById(R.id.backButton);
button1.setOnClickListener(this);
button2.setOnClickListener(this);
usernamesUsed = new HashSet<>();
users = new ArrayList<>();
services = new ArrayList<>();
updateUsers();
updateServices();
}
public void updateUsers(){
databaseUsers.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
users.clear();
for(DataSnapshot postSnapshot : dataSnapshot.getChildren()){
DataBaseUser usr = postSnapshot.getValue(DataBaseUser.class);
users.add(usr);
usernamesUsed.add(usr.getUsername());
}
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
}
});
}
public void updateServices(){
databaseServices.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
services.clear(); // might need to remove
for(DataSnapshot postSnapshot : dataSnapshot.getChildren()){
DataBaseService service = postSnapshot.getValue(DataBaseService.class);
services.add(service);
}
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
}
});
}
@Override
public void onClick(View v) {
RadioButton rb1;
RadioButton rb2;
rb1 = findViewById(R.id.EmployeeRB);
rb2 = findViewById(R.id.PatientRB);
switch (v.getId()) {
case R.id.createButton:
if(validateForm()) {
if (rb1.isChecked())
openEmployee();
else if (rb2.isChecked())
openPatient();
else {
Toast.makeText(getApplicationContext(), "Please Choose a Role", Toast.LENGTH_LONG).show();
}
}
break;
case R.id.backButton:
openMain();
break;
}
}
private boolean validateForm(){
EditText name = (EditText)findViewById(R.id.addressField2);
EditText username = (EditText)findViewById(R.id.usernameField2);
EditText password = (EditText)findViewById(R.id.passwordField2);
String userName = username.getText().toString();
String Password = password.getText().toString();
String Name = name.getText().toString();
if(userName.equals("") || Password.equals("") || Name.equals("")){
Toast.makeText(getApplicationContext(), "Invalid Form", Toast.LENGTH_LONG).show();
return false;
}
// validate password
if(Password.length() < 5){
Toast.makeText(getApplicationContext(), "Password Must Have Minimum 5 Characters", Toast.LENGTH_LONG).show();
return false;
}
if (Password.contains(" ")){
Toast.makeText(getApplicationContext(), "Password Cannot Contain Spaces", Toast.LENGTH_LONG).show();
return false;
}
// make sure username is alphanumeric
for(Character c: userName.toCharArray()){
if(!Character.isLetterOrDigit(c)){
Toast.makeText(getApplicationContext(), "Username Must Be Alphanumeric", Toast.LENGTH_LONG).show();
return false;
}
}
return true;
}
public void openPatient() {
EditText name = (EditText)findViewById(R.id.addressField2);
EditText username = (EditText)findViewById(R.id.usernameField2);
EditText password = (EditText)findViewById(R.id.passwordField2);
String userName = username.getText().toString();
String Password = password.getText().toString();
String Name = name.getText().toString();
updateUsers();
Patient newPatient = new Patient(Name, userName, Password);
if (!usernamesUsed.contains(userName)){ // tries to save user in database
if(newPatient.save()){
name.setText("");
password.setText("");
username.setText("");
Toast.makeText(getApplicationContext(), "Account Created", Toast.LENGTH_LONG).show();
Intent intent = new Intent(this, PatientUser.class);
intent.putExtra("user", newPatient);
startActivity(intent);
} else{
Toast.makeText(getApplicationContext(), "Error Creating An Account", Toast.LENGTH_LONG).show();
}
}else{ // if user account already exists
Toast.makeText(getApplicationContext(), "Username Already Exists", Toast.LENGTH_LONG).show();
}
}
public void openEmployee() {
EditText name = (EditText)findViewById(R.id.addressField2);
EditText username = (EditText)findViewById(R.id.usernameField2);
EditText password = (EditText)findViewById(R.id.passwordField2);
String userName = username.getText().toString();
String Password = password.getText().toString();
String Name = name.getText().toString();
WalkInClinic clinic = new WalkInClinic();
clinic.setName("");
clinic.setAddress("");
clinic.setPhoneNumber("");
Employee newEmployee = new Employee(Name, userName, Password);
System.out.println(usernamesUsed.contains(userName));
if(!usernamesUsed.contains(userName)){
if (newEmployee.save()) { // tries to save user in database
newEmployee.createWalkInClinic(clinic);
name.setText("");
password.setText("");
username.setText("");
Toast.makeText(getApplicationContext(), "Account Created", Toast.LENGTH_LONG).show();
Intent intent = new Intent(this, EmployeeUser.class);
intent.putExtra("user", newEmployee);
intent.putExtra("users", users);
intent.putExtra("services", services);
startActivity(intent);
} else{
Toast.makeText(getApplicationContext(), "Error Creating An Account", Toast.LENGTH_LONG).show();
}
}else{ // If user account already exists
Toast.makeText(getApplicationContext(), "Account Already Exists", Toast.LENGTH_LONG).show();
}
}
public void openMain() {
EditText name = (EditText)findViewById(R.id.addressField2);
EditText username = (EditText)findViewById(R.id.usernameField2);
EditText password = (EditText)findViewById(R.id.passwordField2);
name.setText("");
password.setText("");
username.setText("");
Intent intent = new Intent(this, MainActivity.class);
startActivity(intent);
}
}
