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import { Alert, Platform, Pressable, StyleSheet, Text, TextInput, View } from 'react-native';
import ParallaxScrollView from '@/components/ParallaxScrollView';
import { ThemedText } from '@/components/ThemedText';
import { ThemedView } from '@/components/ThemedView';
import React, { useState, useEffect } from 'react';
import AsyncStorage from '@react-native-async-storage/async-storage';
export default function HomeScreen() {
const [username, setUsername] = useState('');
const [password, setPassword] = useState('');
const [token, setToken] = useState('');
const storeToken = async (token: string) => {
if (Platform.OS === 'web') {
localStorage.setItem('token', token);
} else {
await AsyncStorage.setItem('token', token);
}
};
const handleLogin = async () => {
if (!username || !password) {
Alert.alert('Error', 'Username and password are required.');
return;
}
try {
const response = await fetch(`${process.env.EXPO_PUBLIC_API_URL}/graphql`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
query: `
mutation Login($input: LoginCredentials!) {
login(input: $input) {
accessToken
tokenType
}
}`,
variables: {
input: {
email: username,
password,
},
},
}),
});
const data = await response.json();
if (data.errors) {
const errorMessages = data.errors.map((error: any) => error.message);
Alert.alert('Error', errorMessages.join('\n'));
} else {
const { accessToken } = data.data.login;
await storeToken(accessToken);
setToken(accessToken);
}
} catch (err) {
console.error('Login Error:', err);
Alert.alert('Error', 'An error occurred during login.');
}
};
const handleLogout = async () => {
await removeToken();
setToken('');
};
const removeToken = async () => {
if (Platform.OS === 'web') {
localStorage.removeItem('token');
} else {
await AsyncStorage.removeItem('token');
}
};
useEffect(() => {
const retrieveToken = async () => {
const storedToken = Platform.OS === 'web' ? localStorage.getItem('token') : await AsyncStorage.getItem('token');
setToken(storedToken || '');
};
retrieveToken();
}, []);
return (
<ParallaxScrollView>
{token ? (
<ThemedView>
<Pressable onPress={handleLogout} style={styles.formButton}>
<Text style={{ color: 'white', textAlign: 'center' }}>Logout</Text>
</Pressable>
</ThemedView>
) : (
<>
<ThemedView style={styles.titleContainer}>
<ThemedText type="title">Welcome, mate!</ThemedText>
</ThemedView>
<ThemedView style={styles.formContainer}>
<View>
<ThemedText style={styles.text}>Username</ThemedText>
<TextInput
style={styles.formInput}
onChangeText={setUsername}
value={username}
/>
</View>
<View>
<ThemedText style={styles.text}>Password</ThemedText>
<TextInput
style={styles.formInput}
onChangeText={setPassword}
value={password}
secureTextEntry
/>
</View>
<View style={styles.buttonContainer}>
<Pressable onPress={handleLogin} style={styles.formButton}>
<Text style={{ color: 'white', textAlign: 'center' }}>Login</Text>
</Pressable>
</View>
</ThemedView>
</>
)}
</ParallaxScrollView>
);
}
const styles = StyleSheet.create({
titleContainer: {
flexDirection: 'row',
alignItems: 'center',
marginBottom: 20,
},
text: {
marginBottom: 8,
color: '#333',
},
formContainer: {
marginTop: 20,
paddingHorizontal: 20,
},
formInput: {
width: '100%',
paddingVertical: 12,
paddingHorizontal: 16,
borderRadius: 8,
borderWidth: 1,
borderColor: '#ccc',
backgroundColor: '#f9f9f9',
marginBottom: 20,
},
buttonContainer: {
marginTop: 20,
},
formButton: {
paddingVertical: 12,
paddingHorizontal: 24,
backgroundColor: '#007AFF',
fontSize: 16,
fontWeight: '600',
textAlign: 'center',
borderRadius: 8,
color: 'white',
}
});
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