Antoni Nuñez Romeu
128 lines
3.5 KiB
TypeScript
128 lines
3.5 KiB
TypeScript
import React, { useState, useEffect } from 'react';
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import { View, FlatList, StyleSheet, Text, TouchableOpacity } from 'react-native';
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import { Ionicons } from '@expo/vector-icons';
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import { useRouter } from 'expo-router';
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import { SearchBar } from '../../components/SearchBar';
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import { MedicineCard } from '../../components/MedicineCard';
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import { LoadingSpinner } from '../../components/LoadingSpinner';
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import { useDebounce } from '../../hooks/useDebounce';
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import { searchMedicines } from '../../services/medicines';
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import { colors, spacing, borderRadius } from '../../constants/theme';
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import { Medicine } from '../../types';
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import { config } from '../../constants/config';
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export default function HomeScreen() {
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const router = useRouter();
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const [query, setQuery] = useState('');
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const [results, setResults] = useState<Medicine[]>([]);
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const [isLoading, setIsLoading] = useState(false);
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const [error, setError] = useState<string | null>(null);
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const debouncedQuery = useDebounce(query, config.SEARCH_DEBOUNCE_MS);
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useEffect(() => {
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if (debouncedQuery.length < 2) {
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setResults([]);
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return;
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}
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const fetchResults = async () => {
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setIsLoading(true);
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setError(null);
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try {
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const data = await searchMedicines(debouncedQuery);
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setResults(data);
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} catch (err) {
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setError('Error al buscar medicamentos');
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console.error(err);
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} finally {
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setIsLoading(false);
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}
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};
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fetchResults();
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}, [debouncedQuery]);
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const handleSearch = (searchQuery: string) => {
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setQuery(searchQuery);
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};
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return (
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<View style={styles.container}>
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<View style={styles.searchContainer}>
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<SearchBar
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onSearch={handleSearch}
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value={query}
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onChangeText={setQuery}
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/>
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<TouchableOpacity
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style={styles.scannerButton}
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onPress={() => router.push('/scanner')}
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>
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<Ionicons name="scan" size={24} color={colors.primary} />
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</TouchableOpacity>
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</View>
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{isLoading && <LoadingSpinner message="Buscando medicamentos..." />}
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{error && (
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<View style={styles.errorContainer}>
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<Text style={styles.errorText}>{error}</Text>
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</View>
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)}
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{!isLoading && !error && results.length === 0 && query.length >= 2 && (
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<View style={styles.emptyContainer}>
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<Text style={styles.emptyText}>No se encontraron medicamentos</Text>
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</View>
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)}
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<FlatList
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data={results}
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keyExtractor={(item) => item.nregistro}
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renderItem={({ item }) => <MedicineCard medicine={item} />}
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contentContainerStyle={styles.list}
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showsVerticalScrollIndicator={false}
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/>
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</View>
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);
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}
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const styles = StyleSheet.create({
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container: {
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flex: 1,
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backgroundColor: colors.background,
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},
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searchContainer: {
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flexDirection: 'row',
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alignItems: 'center',
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},
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scannerButton: {
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marginRight: spacing.md,
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padding: spacing.sm,
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backgroundColor: colors.card,
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borderRadius: borderRadius.md,
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},
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list: {
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paddingBottom: spacing.xl,
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},
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errorContainer: {
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padding: spacing.md,
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marginHorizontal: spacing.md,
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backgroundColor: '#F8D7DA',
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borderRadius: 8,
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},
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errorText: {
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color: '#721C24',
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textAlign: 'center',
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},
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emptyContainer: {
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padding: spacing.xl,
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alignItems: 'center',
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},
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emptyText: {
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color: colors.textSecondary,
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fontSize: 16,
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},
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});
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