Add: Shipping selector component and checkout integration

Added ShippingSelector component that: - Displays country selection dropdown - Fetches available Royal Mail shipping quotes based on cart weight - Shows delivery estimates and international delivery warnings - Lets customers select preferred shipping service - Auto-selects cheapest option by default Integrated into checkout: - Shows shipping selector in both logged-in and guest flows - Displays shipping cost breakdown in order summary - Passes shipping country and service to checkout API - Validates shipping selection before processing payment
2026-07-19 06:53:10 +01:00
parent f92ed2709c
commit 5538938020
3 changed files with 203 additions and 8 deletions
@@ -0,0 +1,141 @@
+'use client';
+
+import { useEffect, useState } from 'react';
+import type { ShippingQuote } from '@/lib/royalmail-shipping';
+import { formatShippingPrice, getDeliveryEstimate } from '@/lib/royalmail-shipping';
+
+interface CartItem {
+  productId: string;
+  quantity: number;
+}
+
+interface ShippingSelectorProps {
+  items: CartItem[];
+  onShippingSelect: (country: string, service: string, cost: number) => void;
+}
+
+export default function ShippingSelector({ items, onShippingSelect }: ShippingSelectorProps) {
+  const [country, setCountry] = useState('GB');
+  const [quotes, setQuotes] = useState<ShippingQuote[]>([]);
+  const [selectedService, setSelectedService] = useState<string | null>(null);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [totalWeight, setTotalWeight] = useState<string | null>(null);
+
+  // Fetch shipping quotes when country changes
+  useEffect(() => {
+    async function fetchQuotes() {
+      if (!items.length) return;
+
+      setLoading(true);
+      setError(null);
+
+      try {
+        const res = await fetch('/api/checkout/shipping-quotes', {
+          method: 'POST',
+          headers: { 'Content-Type': 'application/json' },
+          body: JSON.stringify({ items, country }),
+        });
+
+        const data = await res.json();
+
+        if (!res.ok) {
+          throw new Error(data.error || 'Failed to fetch shipping quotes');
+        }
+
+        setQuotes(data.quotes);
+        setTotalWeight(data.totalWeightKg);
+
+        // Auto-select the first (cheapest) option
+        if (data.quotes.length > 0) {
+          const firstService = data.quotes[0];
+          setSelectedService(firstService.service);
+          onShippingSelect(country, firstService.service, firstService.price);
+        }
+      } catch (err) {
+        setError(err instanceof Error ? err.message : 'Failed to fetch shipping quotes');
+        setQuotes([]);
+      } finally {
+        setLoading(false);
+      }
+    }
+
+    fetchQuotes();
+  }, [items, country, onShippingSelect]);
+
+  const selectedQuote = quotes.find((q) => q.service === selectedService);
+
+  return (
+    <div className="space-y-4 border border-line bg-surface p-6">
+      <div>
+        <p className="tag-label mb-2 block">Shipping to</p>
+        <select
+          value={country}
+          onChange={(e) => setCountry(e.target.value)}
+          className="w-full border border-line bg-paper px-3 py-2 text-sm"
+        >
+          {/* Common destinations */}
+          <option value="GB">United Kingdom</option>
+          <option value="IE">Ireland</option>
+          <option value="US">United States</option>
+          <option value="CA">Canada</option>
+          <option value="AU">Australia</option>
+          <option value="NZ">New Zealand</option>
+          <option value="DE">Germany</option>
+          <option value="FR">France</option>
+          <option value="NL">Netherlands</option>
+          <option value="ES">Spain</option>
+          <option value="IT">Italy</option>
+          <option value="JP">Japan</option>
+        </select>
+      </div>
+
+      {totalWeight && (
+        <p className="text-xs text-muted">
+          Total weight: <strong>{totalWeight} kg</strong>
+        </p>
+      )}
+
+      {loading ? (
+        <p className="text-sm text-muted">Loading shipping options...</p>
+      ) : error ? (
+        <p className="text-sm text-splash-pink">{error}</p>
+      ) : quotes.length === 0 ? (
+        <p className="text-sm text-muted">No shipping options available for this destination.</p>
+      ) : (
+        <div>
+          <p className="tag-label mb-3 block">Delivery method</p>
+          <div className="space-y-3">
+            {quotes.map((quote) => (
+              <label key={quote.service} className="flex items-start gap-3 border border-line p-3 cursor-pointer hover:bg-paper/50">
+                <input
+                  type="radio"
+                  name="shipping-service"
+                  value={quote.service}
+                  checked={selectedService === quote.service}
+                  onChange={() => {
+                    setSelectedService(quote.service);
+                    onShippingSelect(country, quote.service, quote.price);
+                  }}
+                  className="mt-1 h-4 w-4 accent-clay"
+                />
+                <div className="flex-1">
+                  <div className="flex items-baseline justify-between">
+                    <p className="font-medium text-sm">{quote.service}</p>
+                    <p className="font-mono text-sm font-medium">{formatShippingPrice(quote.price)}</p>
+                  </div>
+                  <p className="mt-1 text-xs text-muted">{getDeliveryEstimate(quote)}</p>
+                  {quote.warning && (
+                    <p className="mt-2 text-xs text-splash-orange">
+                      ⚠️ {quote.warning}
+                    </p>
+                  )}
+                </div>
+              </label>
+            ))}
+          </div>
+        </div>
+      )}
+    </div>
+  );
+}