Initial commit

screens/LoginScreen.tsx

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+import React, { useState } from 'react';
+import { View, TextInput, Button, StyleSheet } from 'react-native';
+import { signInWithEmailAndPassword, createUserWithEmailAndPassword } from 'firebase/auth';
+import { auth } from '../config/firebase';
+import { useDispatch } from 'react-redux';
+import { setUser } from '../store/authSlice';
+
+function LoginScreen({ navigation }: any) {
+  const [email, setEmail] = useState('');
+  const [password, setPassword] = useState('');
+  const dispatch = useDispatch();
+
+  const handleLogin = async () => {
+    try {
+      const userCredential = await signInWithEmailAndPassword(auth, email, password);
+      dispatch(setUser({ uid: userCredential.user.uid, email: userCredential.user.email! }));
+      navigation.replace('Projects');
+    } catch (error: any) {
+      alert(error.message);
+    }
+  };
+
+  const handleRegister = async () => {
+    try {
+      const userCredential = await createUserWithEmailAndPassword(auth, email, password);
+      dispatch(setUser({ uid: userCredential.user.uid, email: userCredential.user.email! }));
+      navigation.replace('Projects');
+    } catch (error: any) {
+      alert(error.message);
+    }
+  };
+
+  return (
+    <View style={styles.container}>
+      <TextInput style={styles.input} placeholder="Email" value={email} onChangeText={setEmail} />
+      <TextInput style={styles.input} placeholder="Jelszó" value={password} onChangeText={setPassword} secureTextEntry />
+      <Button title="Bejelentkezés" onPress={handleLogin} color="#ff00ff" />
+      <Button title="Regisztráció" onPress={handleRegister} color="#ff00ff" />
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: { flex: 1, padding: 16, justifyContent: 'center', backgroundColor: '#000000' },
+  input: { borderWidth: 1, borderColor: '#333333', padding: 8, marginBottom: 16, borderRadius: 4, backgroundColor: '#1a1a1a', color: '#ffffff' },
+});
+
+export default LoginScreen;

screens/ProjectDetailsScreen.tsx

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+import React, { useState } from 'react';
+import { View, Text, Button, TextInput, StyleSheet } from 'react-native';
+import { doc, updateDoc } from 'firebase/firestore';
+import { db } from '../config/firebase';
+
+function ProjectDetailsScreen({ route, navigation }: any) {
+  const { project } = route.params;
+  const [name, setName] = useState(project.name);
+  const [status, setStatus] = useState(project.status);
+
+  const updateProject = async () => {
+    await updateDoc(doc(db, 'projects', project.id), { name, status });
+    alert('Projekt frissítve');
+    navigation.goBack();
+  };
+
+  const toggleStatus = () => {
+    setStatus(status === 'aktív' ? 'lezárt' : 'aktív');
+  };
+
+  return (
+    <View style={styles.container}>
+      <TextInput style={styles.input} value={name} onChangeText={setName} />
+      <Text>Státusz: {status}</Text>
+      <Button title="Státusz váltás" onPress={toggleStatus} />
+      <Button title="Mentés" onPress={updateProject} />
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: { flex: 1, padding: 16 },
+  input: { borderWidth: 1, padding: 8, marginBottom: 16, borderRadius: 4 },
+});
+
+export default ProjectDetailsScreen;

screens/ProjectsScreen.tsx

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+import React, { useState, useEffect } from 'react';
+import { View, Text, FlatList, TouchableOpacity, Button, TextInput, StyleSheet } from 'react-native';
+import { collection, addDoc, query, where, getDocs, deleteDoc, doc } from 'firebase/firestore';
+import { db, auth } from '../config/firebase';
+
+function ProjectsScreen({ navigation }: any) {
+  const [projects, setProjects] = useState<any[]>([]);
+  const [name, setName] = useState('');
+
+  useEffect(() => {
+    loadProjects();
+  }, []);
+
+  const loadProjects = async () => {
+    const q = query(collection(db, 'projects'), where('userId', '==', auth.currentUser!.uid));
+    const snapshot = await getDocs(q);
+    setProjects(snapshot.docs.map(doc => ({ id: doc.id, ...doc.data() })));
+  };
+
+  const addProject = async () => {
+    await addDoc(collection(db, 'projects'), {
+      name,
+      userId: auth.currentUser!.uid,
+      status: 'aktív',
+    });
+    setName('');
+    loadProjects();
+  };
+
+  const deleteProject = async (id: string) => {
+    await deleteDoc(doc(db, 'projects', id));
+    loadProjects();
+  };
+
+  return (
+    <View style={styles.container}>
+      <TextInput style={styles.input} placeholder="Projekt név" value={name} onChangeText={setName} />
+      <Button title="Hozzáadás" onPress={addProject} />
+      <FlatList
+        data={projects}
+        keyExtractor={item => item.id}
+        renderItem={({ item }) => (
+          <TouchableOpacity
+            style={styles.item}
+            onPress={() => navigation.navigate('Details', { project: item })}
+          >
+            <Text>{item.name} - {item.status}</Text>
+            <TouchableOpacity onPress={() => deleteProject(item.id)}>
+              <Text>🗑️</Text>
+            </TouchableOpacity>
+          </TouchableOpacity>
+        )}
+      />
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: { flex: 1, padding: 16 },
+  input: { borderWidth: 1, padding: 8, marginBottom: 8, borderRadius: 4 },
+  item: { padding: 16, borderBottomWidth: 1, flexDirection: 'row', justifyContent: 'space-between' },
+});
+
+export default ProjectsScreen;