Files
NaMesa/app/src/main/java/com/example/pap_teste/NovaReservaActivity.java
2026-04-14 15:28:45 +01:00

291 lines
14 KiB
Java

package com.example.pap_teste;
import android.os.Bundle;
import androidx.recyclerview.widget.RecyclerView;
import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;
import android.widget.Button;
public class NovaReservaActivity extends AppCompatActivity {
private enum State {
CATEGORIES, RESTAURANTS, DETAILS
}
private State currentState = State.CATEGORIES;
private String selectedCategory = null;
private com.example.pap_teste.models.Restaurant selectedRestaurant = null;
private androidx.recyclerview.widget.RecyclerView rvCategories, rvRestaurants;
private android.view.View scrollNovaReserva;
private android.widget.TextView txtTitle;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
EdgeToEdge.enable(this);
setContentView(R.layout.activity_nova_reserva);
ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.novaReservaRoot), (v, insets) -> {
Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
return insets;
});
rvCategories = findViewById(R.id.rvCategories);
rvRestaurants = findViewById(R.id.rvRestaurants);
scrollNovaReserva = findViewById(R.id.scrollNovaReserva);
txtTitle = findViewById(R.id.txtTituloNovaReserva);
Button back = findViewById(R.id.btnVoltar);
if (back != null) {
back.setOnClickListener(v -> handleBackNavigation());
}
setupCategories();
updateViewState();
}
private void handleBackNavigation() {
if (currentState == State.RESTAURANTS) {
currentState = State.CATEGORIES;
updateViewState();
} else if (currentState == State.DETAILS) {
currentState = State.RESTAURANTS;
updateViewState();
} else {
finish();
}
}
private void updateViewState() {
rvCategories
.setVisibility(currentState == State.CATEGORIES ? android.view.View.VISIBLE : android.view.View.GONE);
rvRestaurants
.setVisibility(currentState == State.RESTAURANTS ? android.view.View.VISIBLE : android.view.View.GONE);
scrollNovaReserva
.setVisibility(currentState == State.DETAILS ? android.view.View.VISIBLE : android.view.View.GONE);
if (currentState == State.CATEGORIES) {
txtTitle.setText("Escolha o tema");
} else if (currentState == State.RESTAURANTS) {
txtTitle.setText("Restaurantes: " + selectedCategory);
} else {
txtTitle.setText("Reserva: " + (selectedRestaurant != null ? selectedRestaurant.getName() : ""));
setupReservationOptions();
}
}
private void setupCategories() {
java.util.List<com.example.pap_teste.models.FoodCategory> cats = new java.util.ArrayList<>();
cats.add(new com.example.pap_teste.models.FoodCategory("Carnes", R.drawable.cat_carnes));
cats.add(new com.example.pap_teste.models.FoodCategory("Massas", R.drawable.cat_massas));
cats.add(new com.example.pap_teste.models.FoodCategory("Sushi", R.drawable.cat_sushi));
cats.add(new com.example.pap_teste.models.FoodCategory("Pizzas", R.drawable.cat_pizzas));
cats.add(new com.example.pap_teste.models.FoodCategory("Sobremesas", R.drawable.cat_sobremesas));
rvCategories.setLayoutManager(new androidx.recyclerview.widget.LinearLayoutManager(this));
rvCategories.setAdapter(new FoodCategoryAdapter(cats, category -> {
selectedCategory = category.getName();
currentState = State.RESTAURANTS;
setupRestaurants();
updateViewState();
}));
}
private void setupRestaurants() {
java.util.List<com.example.pap_teste.models.Restaurant> filteredList = new java.util.ArrayList<>();
com.google.firebase.database.DatabaseReference usersRef = com.google.firebase.database.FirebaseDatabase.getInstance().getReference("users");
usersRef.orderByChild("category").equalTo(selectedCategory).addListenerForSingleValueEvent(new com.google.firebase.database.ValueEventListener() {
@Override
public void onDataChange(@androidx.annotation.NonNull com.google.firebase.database.DataSnapshot snapshot) {
filteredList.clear();
for (com.google.firebase.database.DataSnapshot ds : snapshot.getChildren()) {
String role = ds.child("role").getValue(String.class);
String accountType = ds.child("accountType").getValue(String.class);
if ("ADMIN".equalsIgnoreCase(role) || "ESTABELECIMENTO".equalsIgnoreCase(accountType)) {
String name = ds.child("establishmentName").getValue(String.class);
if (name == null) name = ds.child("displayName").getValue(String.class);
String email = ds.child("email").getValue(String.class);
String cat = ds.child("category").getValue(String.class);
if (name != null && email != null) {
filteredList.add(new com.example.pap_teste.models.Restaurant(name, cat, email, false));
}
}
}
rvRestaurants.setLayoutManager(new androidx.recyclerview.widget.LinearLayoutManager(NovaReservaActivity.this));
rvRestaurants.setAdapter(new RestaurantAdapter(filteredList, restaurant -> {
selectedRestaurant = restaurant;
currentState = State.DETAILS;
updateViewState();
}));
}
@Override
public void onCancelled(@androidx.annotation.NonNull com.google.firebase.database.DatabaseError error) {
android.widget.Toast.makeText(NovaReservaActivity.this, "Erro ao carregar restaurantes.", android.widget.Toast.LENGTH_SHORT).show();
}
});
}
private String selectedDate = null;
private String selectedTime = null;
private void setupReservationOptions() {
android.widget.Button btnDate = findViewById(R.id.btnSelectDate);
android.widget.Button btnTime = findViewById(R.id.btnSelectTime);
btnDate.setOnClickListener(v -> {
java.util.Calendar cal = java.util.Calendar.getInstance();
new android.app.DatePickerDialog(this, (view, year, month, dayOfMonth) -> {
selectedDate = dayOfMonth + "/" + (month + 1) + "/" + year;
btnDate.setText(selectedDate);
}, cal.get(java.util.Calendar.YEAR), cal.get(java.util.Calendar.MONTH), cal.get(java.util.Calendar.DAY_OF_MONTH)).show();
});
btnTime.setOnClickListener(v -> {
java.util.Calendar cal = java.util.Calendar.getInstance();
new android.app.TimePickerDialog(this, (view, hourOfDay, minute) -> {
selectedTime = String.format(java.util.Locale.getDefault(), "%02d:%02d", hourOfDay, minute);
btnTime.setText(selectedTime);
}, cal.get(java.util.Calendar.HOUR_OF_DAY), cal.get(java.util.Calendar.MINUTE), true).show();
});
findViewById(R.id.btnConfirmarReserva).setOnClickListener(v -> saveReservation());
}
private void saveReservation() {
android.widget.EditText etPartySize = findViewById(R.id.etPartySize);
int val = 0;
try {
val = Integer.parseInt(etPartySize.getText().toString());
} catch (Exception e) {}
final int partySize = val;
if (selectedDate == null || selectedTime == null || partySize == 0) {
android.widget.Toast.makeText(this, "Por favor, selecione data, hora e número de pessoas.",
android.widget.Toast.LENGTH_SHORT).show();
return;
}
String restEmail = selectedRestaurant.getEmail();
com.google.firebase.database.DatabaseReference mesasRef = com.google.firebase.database.FirebaseDatabase.getInstance().getReference("Mesas");
mesasRef.addListenerForSingleValueEvent(new com.google.firebase.database.ValueEventListener() {
@Override
public void onDataChange(@androidx.annotation.NonNull com.google.firebase.database.DataSnapshot snapshot) {
int totalMesas = 0;
for (com.google.firebase.database.DataSnapshot ds : snapshot.getChildren()) {
com.example.pap_teste.models.Mesa m = ds.getValue(com.example.pap_teste.models.Mesa.class);
if (m != null && restEmail.equals(m.getRestauranteEmail())) {
totalMesas++;
}
}
if (totalMesas == 0) {
proceedWithReservation(partySize);
return;
}
checkReservationsAndSave(totalMesas, partySize);
}
@Override
public void onCancelled(@androidx.annotation.NonNull com.google.firebase.database.DatabaseError error) {
proceedWithReservation(partySize);
}
});
}
private void checkReservationsAndSave(int totalMesas, final int partySize) {
String restEmail = selectedRestaurant.getEmail();
com.google.firebase.database.DatabaseReference reservasRef = com.google.firebase.database.FirebaseDatabase.getInstance().getReference("reservas");
reservasRef.orderByChild("restauranteEmail").equalTo(restEmail).addListenerForSingleValueEvent(new com.google.firebase.database.ValueEventListener() {
@Override
public void onDataChange(@androidx.annotation.NonNull com.google.firebase.database.DataSnapshot snapshot) {
int ocupadas = 0;
java.util.Map<String, Integer> ocupacaoPorHora = new java.util.HashMap<>();
for (com.google.firebase.database.DataSnapshot ds : snapshot.getChildren()) {
com.example.pap_teste.models.Reserva r = ds.getValue(com.example.pap_teste.models.Reserva.class);
if (r != null && selectedDate.equals(r.getData()) && !"Cancelada".equals(r.getEstado()) && !"Recusada".equals(r.getEstado())) {
int count = ocupacaoPorHora.getOrDefault(r.getHora(), 0) + 1;
ocupacaoPorHora.put(r.getHora(), count);
if (selectedTime.equals(r.getHora())) {
ocupadas++;
}
}
}
if (ocupadas >= totalMesas) {
String sugestao = "";
String[] horasComuns = {"12:00", "12:30", "13:00", "13:30", "14:00", "19:00", "19:30", "20:00", "20:30", "21:00", "21:30", "22:00"};
for (String h : horasComuns) {
if (ocupacaoPorHora.getOrDefault(h, 0) < totalMesas && !h.equals(selectedTime)) {
sugestao = h;
break; // Encontramos a primeira sugestão livre
}
}
String msg = "Não há mesas disponíveis para as " + selectedTime + ".";
if (!sugestao.isEmpty()) {
msg += " Sugestão: tente reservar para as " + sugestao + ".";
} else {
msg += " Tente para outro dia.";
}
android.widget.Toast.makeText(NovaReservaActivity.this, msg, android.widget.Toast.LENGTH_LONG).show();
} else {
proceedWithReservation(partySize);
}
}
@Override
public void onCancelled(@androidx.annotation.NonNull com.google.firebase.database.DatabaseError error) {
proceedWithReservation(partySize);
}
});
}
private void proceedWithReservation(int partySize) {
String userEmail = com.google.firebase.auth.FirebaseAuth.getInstance().getCurrentUser() != null
? com.google.firebase.auth.FirebaseAuth.getInstance().getCurrentUser().getEmail()
: "cliente@teste.com";
com.google.firebase.database.DatabaseReference ref = com.google.firebase.database.FirebaseDatabase.getInstance()
.getReference("reservas");
String id = ref.push().getKey();
com.example.pap_teste.models.Reserva reserva = new com.example.pap_teste.models.Reserva(
id,
userEmail,
selectedRestaurant.getName(),
selectedRestaurant.getEmail(),
selectedDate,
selectedTime,
partySize,
"Pendente");
if (id != null) {
ref.child(id).setValue(reserva).addOnCompleteListener(task -> {
if (task.isSuccessful()) {
android.widget.Toast
.makeText(NovaReservaActivity.this, "Reserva solicitada com sucesso!", android.widget.Toast.LENGTH_SHORT)
.show();
finish();
} else {
android.widget.Toast.makeText(NovaReservaActivity.this, "Erro ao salvar reserva.", android.widget.Toast.LENGTH_SHORT)
.show();
}
});
}
}
}