From ca4a9671e7f8c17c7e5cf97fff3b0c7ae4ef7b3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antoni=20Nu=C3=B1ez=20Romeu?= <antoni.nunez@ficosa.com>
Date: Mon, 13 Jul 2026 15:33:34 +0200
Subject: [PATCH] feat(mobile): add product detail screen for CIMA and OFF
 products

---
 .../app/product/[source]/[id].tsx             | 249 ++++++++++++++++++
 1 file changed, 249 insertions(+)
 create mode 100644 apps/frontend-mobile/app/product/[source]/[id].tsx

diff --git a/apps/frontend-mobile/app/product/[source]/[id].tsx b/apps/frontend-mobile/app/product/[source]/[id].tsx
new file mode 100644
index 0000000..3659e67
--- /dev/null
+++ b/apps/frontend-mobile/app/product/[source]/[id].tsx
@@ -0,0 +1,249 @@
+import React, { useEffect, useState } from 'react';
+import { View, Text, ScrollView, StyleSheet, Image, ActivityIndicator } from 'react-native';
+import { useLocalSearchParams } from 'expo-router';
+import { getProduct, Product } from '../../../services/products';
+import { LoadingSpinner } from '../../../components/LoadingSpinner';
+import { useThemeContext } from '../../../components/ThemeProvider';
+import { spacing, borderRadius } from '../../../constants/theme';
+
+export default function ProductDetailScreen() {
+  const { source, id } = useLocalSearchParams<{ source: string; id: string }>();
+  const { colors } = useThemeContext();
+  const [product, setProduct] = useState<Product | null>(null);
+  const [isLoading, setIsLoading] = useState(true);
+  const [error, setError] = useState(false);
+
+  useEffect(() => {
+    if (!source || !id) return;
+
+    const fetchProduct = async () => {
+      try {
+        const data = await getProduct(source, id);
+        if (data) {
+          setProduct(data);
+        } else {
+          setError(true);
+        }
+      } catch {
+        setError(true);
+      } finally {
+        setIsLoading(false);
+      }
+    };
+
+    fetchProduct();
+  }, [source, id]);
+
+  if (isLoading) {
+    return <LoadingSpinner message="Cargando producto..." />;
+  }
+
+  if (error || !product) {
+    return (
+      <View style={[styles.errorContainer, { backgroundColor: colors.background }]}>
+        <Text style={[styles.errorText, { color: colors.textSecondary }]}>Producto no encontrado</Text>
+      </View>
+    );
+  }
+
+  const isCima = product.source === 'cima';
+
+  return (
+    <ScrollView style={[styles.container, { backgroundColor: colors.background }]}>
+      {product.image_url ? (
+        <Image source={{ uri: product.image_url }} style={styles.image} resizeMode="contain" />
+      ) : (
+        <View style={[styles.imagePlaceholder, { backgroundColor: colors.surfaceLow }]}>
+          <Text style={[styles.placeholderText, { color: colors.textSecondary }]}>Sin imagen</Text>
+        </View>
+      )}
+
+      <View style={[styles.header, { backgroundColor: colors.card }]}>
+        <View style={styles.nameRow}>
+          <Text style={[styles.name, { color: colors.text }]}>{product.name}</Text>
+          <View style={[styles.badge, { backgroundColor: isCima ? '#2b5bb5' : '#4caf50' }]}>
+            <Text style={styles.badgeText}>{isCima ? 'CIMA' : 'OFF'}</Text>
+          </View>
+        </View>
+        {product.brand ? (
+          <Text style={[styles.brand, { color: colors.textSecondary }]}>{product.brand}</Text>
+        ) : null}
+        {product.category ? (
+          <Text style={[styles.category, { color: colors.textSecondary }]}>{product.category}</Text>
+        ) : null}
+      </View>
+
+      {isCima ? (
+        <View style={[styles.infoSection, { backgroundColor: colors.card }]}>
+          <Text style={[styles.sectionTitle, { color: colors.text }]}>Detalles CIMA</Text>
+          {product.active_ingredient && (
+            <InfoRow label="Principio activo" value={product.active_ingredient} colors={colors} />
+          )}
+          {product.dosage && (
+            <InfoRow label="Dosificación" value={product.dosage} colors={colors} />
+          )}
+          {product.form && (
+            <InfoRow label="Forma farmacéutica" value={product.form} colors={colors} />
+          )}
+          {product.prescription && (
+            <InfoRow label="Tipo de dispensación" value={product.prescription} colors={colors} />
+          )}
+          <InfoRow label="Comercializado" value={product.commercialized ? 'Sí' : 'No'} colors={colors} />
+        </View>
+      ) : (
+        <View style={[styles.infoSection, { backgroundColor: colors.card }]}>
+          <Text style={[styles.sectionTitle, { color: colors.text }]}>Información nutricional</Text>
+          {product.nutriscore && (
+            <InfoRow label="Nutri-Score" value={product.nutriscore.toUpperCase()} colors={colors} />
+          )}
+          {product.nova_group != null && (
+            <InfoRow label="Grupo NOVA" value={String(product.nova_group)} colors={colors} />
+          )}
+          {product.eco_score && (
+            <InfoRow label="Eco-Score" value={product.eco_score.toUpperCase()} colors={colors} />
+          )}
+          {product.ingredients && (
+            <View style={[styles.infoRow, { borderBottomColor: colors.border }]}>
+              <Text style={[styles.infoLabel, { color: colors.textSecondary }]}>Ingredientes</Text>
+              <Text style={[styles.infoValueMultiline, { color: colors.text }]}>{product.ingredients}</Text>
+            </View>
+          )}
+        </View>
+      )}
+
+      {isCima && product.photos && product.photos.length > 0 && (
+        <View style={[styles.infoSection, { backgroundColor: colors.card }]}>
+          <Text style={[styles.sectionTitle, { color: colors.text }]}>Imágenes</Text>
+          <ScrollView horizontal showsHorizontalScrollIndicator={false} style={styles.photosScroll}>
+            {product.photos.map((photo, i) => (
+              <View key={i} style={styles.photoItem}>
+                <Image source={{ uri: photo.url }} style={styles.photoImage} resizeMode="contain" />
+                <Text style={[styles.photoLabel, { color: colors.textSecondary }]}>{photo.tipo}</Text>
+              </View>
+            ))}
+          </ScrollView>
+        </View>
+      )}
+    </ScrollView>
+  );
+}
+
+function InfoRow({ label, value, colors }: { label: string; value: string; colors: any }) {
+  return (
+    <View style={[styles.infoRow, { borderBottomColor: colors.border }]}>
+      <Text style={[styles.infoLabel, { color: colors.textSecondary }]}>{label}</Text>
+      <Text style={[styles.infoValue, { color: colors.text }]}>{value}</Text>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+  },
+  image: {
+    width: '100%',
+    height: 260,
+    backgroundColor: '#f5f5f5',
+  },
+  imagePlaceholder: {
+    width: '100%',
+    height: 160,
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  placeholderText: {
+    fontSize: 14,
+  },
+  header: {
+    padding: spacing.lg,
+  },
+  nameRow: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    alignItems: 'flex-start',
+    gap: spacing.sm,
+  },
+  name: {
+    flex: 1,
+    fontSize: 22,
+    fontWeight: 'bold',
+  },
+  badge: {
+    paddingHorizontal: spacing.sm,
+    paddingVertical: spacing.xs,
+    borderRadius: borderRadius.full,
+    overflow: 'hidden',
+  },
+  badgeText: {
+    color: '#fff',
+    fontSize: 12,
+    fontWeight: '700',
+  },
+  brand: {
+    fontSize: 15,
+    marginTop: spacing.xs,
+  },
+  category: {
+    fontSize: 13,
+    marginTop: spacing.xs,
+  },
+  infoSection: {
+    marginTop: spacing.sm,
+    padding: spacing.lg,
+  },
+  sectionTitle: {
+    fontSize: 16,
+    fontWeight: '600',
+    marginBottom: spacing.sm,
+  },
+  infoRow: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    paddingVertical: spacing.sm,
+    borderBottomWidth: 1,
+  },
+  infoLabel: {
+    fontSize: 13,
+    flexShrink: 0,
+    marginRight: spacing.sm,
+  },
+  infoValue: {
+    fontSize: 13,
+    fontWeight: '500',
+    flex: 1,
+    textAlign: 'right',
+  },
+  infoValueMultiline: {
+    fontSize: 13,
+    fontWeight: '500',
+    flex: 1,
+    textAlign: 'right',
+  },
+  photosScroll: {
+    marginTop: spacing.xs,
+  },
+  photoItem: {
+    marginRight: spacing.md,
+    alignItems: 'center',
+    width: 120,
+  },
+  photoImage: {
+    width: 120,
+    height: 120,
+    borderRadius: borderRadius.md,
+    backgroundColor: '#f5f5f5',
+  },
+  photoLabel: {
+    fontSize: 11,
+    marginTop: spacing.xs,
+  },
+  errorContainer: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  errorText: {
+    fontSize: 16,
+  },
+});