Billing rework

2026-05-02 00:04:23 +02:00
parent 46369fda01
commit 392b0991a5
17 changed files with 1070 additions and 16 deletions
--- a/src/components/settings/billing-settings-form.tsx
+++ b/src/components/settings/billing-settings-form.tsx
@@ -0,0 +1,264 @@
+"use client";
+
+import { useState } from "react";
+import { useRouter } from "next/navigation";
+import { useTranslations } from "next-intl";
+import type { OrgBilling } from "@/types";
+import { Card } from "@/components/ui/card";
+
+interface Props {
+  /** Existing billing record, or null on first edit. */
+  initial: OrgBilling | null;
+  /**
+   * True if the caller is on a personal org. Personal customers
+   * (B2C — private individuals) don't have a company name or VAT
+   * number; the form re-labels the company-name field as "Full name"
+   * and hides VAT.
+   */
+  isPersonal: boolean;
+  /** Default company name for company orgs on first edit. */
+  orgName: string;
+  /** Default full-name for personal orgs on first edit. */
+  userName: string;
+}
+
+/**
+ * Editable billing form. Used by /settings/billing; the wizard's
+ * inline billing step (Bug 35 phase 2) reuses the same shape but is
+ * implemented separately because of its different submit semantics
+ * (one combined wizard submit, vs. this page's standalone PUT).
+ *
+ * The form does NOT do client-side VAT format validation — too many
+ * country variations to get right, and the API will reject empty
+ * VAT for company orgs anyway. The asterisk on the field plus the
+ * server error suffices.
+ */
+export function BillingSettingsForm({
+  initial,
+  isPersonal,
+  orgName,
+  userName,
+}: Props) {
+  const t = useTranslations("settingsBilling");
+  const tCommon = useTranslations("common");
+  const router = useRouter();
+
+  const [companyName, setCompanyName] = useState(
+    initial?.companyName ?? (isPersonal ? userName : orgName)
+  );
+  const [streetAddress, setStreetAddress] = useState(
+    initial?.streetAddress ?? ""
+  );
+  const [postalCode, setPostalCode] = useState(initial?.postalCode ?? "");
+  const [city, setCity] = useState(initial?.city ?? "");
+  const [country, setCountry] = useState(initial?.country ?? "CH");
+  const [vatNumber, setVatNumber] = useState(initial?.vatNumber ?? "");
+  const [billingEmail, setBillingEmail] = useState(initial?.billingEmail ?? "");
+  const [notes, setNotes] = useState(initial?.notes ?? "");
+
+  const [submitting, setSubmitting] = useState(false);
+  const [error, setError] = useState("");
+  const [success, setSuccess] = useState(false);
+
+  const onSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setSubmitting(true);
+    setError("");
+    setSuccess(false);
+    try {
+      const res = await fetch("/api/billing", {
+        method: "PUT",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({
+          companyName,
+          streetAddress,
+          postalCode,
+          city,
+          country,
+          vatNumber: vatNumber.trim() || null,
+          billingEmail,
+          notes: notes.trim() || null,
+        }),
+      });
+      if (!res.ok) {
+        const data = await res.json().catch(() => ({}));
+        throw new Error(data.error || t("saveFailed"));
+      }
+      setSuccess(true);
+      // Refresh server props so the form re-renders with the saved
+      // record's timestamps. Subtle but useful: the "last updated"
+      // line below ticks forward.
+      router.refresh();
+    } catch (e: any) {
+      setError(e.message);
+    } finally {
+      setSubmitting(false);
+    }
+  };
+
+  return (
+    <Card className="animate-in animate-in-delay-1">
+      <form onSubmit={onSubmit} className="space-y-4">
+        {/* Bug 35: this field stores `company_name` in the DB but
+            the label changes by customer type:
+              - Company (B2B): "Company name" — the legal entity.
+              - Personal (B2C): "Full name" — the individual's
+                invoice name (may differ from their session display
+                name; e.g. legal name vs friendly name).
+            Required for both. The DB column is NOT NULL either way. */}
+        <div>
+          <label className="block text-xs uppercase tracking-wider text-text-muted mb-1">
+            {isPersonal ? t("fullName") : t("companyName")}{" "}
+            <span className="text-red-400">*</span>
+          </label>
+          <input
+            type="text"
+            required
+            value={companyName}
+            onChange={(e) => setCompanyName(e.target.value)}
+            className="w-full px-3 py-2 rounded-lg border border-border bg-surface-2 text-text-primary text-sm focus:outline-none focus:border-text-secondary"
+          />
+        </div>
+
+        <div>
+          <label className="block text-xs uppercase tracking-wider text-text-muted mb-1">
+            {t("streetAddress")} <span className="text-red-400">*</span>
+          </label>
+          <input
+            type="text"
+            required
+            value={streetAddress}
+            onChange={(e) => setStreetAddress(e.target.value)}
+            className="w-full px-3 py-2 rounded-lg border border-border bg-surface-2 text-text-primary text-sm focus:outline-none focus:border-text-secondary"
+          />
+        </div>
+
+        <div className="grid grid-cols-1 sm:grid-cols-3 gap-3">
+          <div>
+            <label className="block text-xs uppercase tracking-wider text-text-muted mb-1">
+              {t("postalCode")} <span className="text-red-400">*</span>
+            </label>
+            <input
+              type="text"
+              required
+              value={postalCode}
+              onChange={(e) => setPostalCode(e.target.value)}
+              className="w-full px-3 py-2 rounded-lg border border-border bg-surface-2 text-text-primary text-sm focus:outline-none focus:border-text-secondary"
+            />
+          </div>
+          <div className="sm:col-span-2">
+            <label className="block text-xs uppercase tracking-wider text-text-muted mb-1">
+              {t("city")} <span className="text-red-400">*</span>
+            </label>
+            <input
+              type="text"
+              required
+              value={city}
+              onChange={(e) => setCity(e.target.value)}
+              className="w-full px-3 py-2 rounded-lg border border-border bg-surface-2 text-text-primary text-sm focus:outline-none focus:border-text-secondary"
+            />
+          </div>
+        </div>
+
+        <div>
+          <label className="block text-xs uppercase tracking-wider text-text-muted mb-1">
+            {t("country")} <span className="text-red-400">*</span>
+          </label>
+          <select
+            required
+            value={country}
+            onChange={(e) => setCountry(e.target.value)}
+            className="w-full px-3 py-2 rounded-lg border border-border bg-surface-2 text-text-primary text-sm focus:outline-none focus:border-text-secondary"
+          >
+            <option value="CH">Switzerland</option>
+            <option value="LI">Liechtenstein</option>
+            <option value="DE">Germany</option>
+            <option value="AT">Austria</option>
+            <option value="FR">France</option>
+            <option value="IT">Italy</option>
+          </select>
+        </div>
+
+        {/* Bug 35: VAT visible only for company customers (B2B).
+            Personal customers (B2C — private individuals) don't have
+            a VAT number; the API likewise doesn't require one for
+            them. */}
+        {!isPersonal && (
+          <div>
+            <label className="block text-xs uppercase tracking-wider text-text-muted mb-1">
+              {t("vatNumber")} <span className="text-red-400">*</span>
+            </label>
+            <input
+              type="text"
+              required
+              value={vatNumber}
+              onChange={(e) => setVatNumber(e.target.value)}
+              placeholder="CHE-123.456.789 MWST"
+              className="w-full px-3 py-2 rounded-lg border border-border bg-surface-2 text-text-primary text-sm focus:outline-none focus:border-text-secondary"
+            />
+            <p className="text-xs text-text-muted mt-1">{t("vatHelp")}</p>
+          </div>
+        )}
+
+        <div>
+          <label className="block text-xs uppercase tracking-wider text-text-muted mb-1">
+            {t("billingEmail")} <span className="text-red-400">*</span>
+          </label>
+          <input
+            type="email"
+            required
+            value={billingEmail}
+            onChange={(e) => setBillingEmail(e.target.value)}
+            placeholder="invoices@example.com"
+            className="w-full px-3 py-2 rounded-lg border border-border bg-surface-2 text-text-primary text-sm focus:outline-none focus:border-text-secondary"
+          />
+          <p className="text-xs text-text-muted mt-1">{t("billingEmailHelp")}</p>
+        </div>
+
+        <div>
+          <label className="block text-xs uppercase tracking-wider text-text-muted mb-1">
+            {t("notes")}{" "}
+            <span className="text-text-muted normal-case">
+              ({tCommon("optional")})
+            </span>
+          </label>
+          <textarea
+            value={notes}
+            onChange={(e) => setNotes(e.target.value)}
+            rows={3}
+            className="w-full px-3 py-2 rounded-lg border border-border bg-surface-2 text-text-primary text-sm focus:outline-none focus:border-text-secondary"
+            placeholder={t("notesPlaceholder")}
+          />
+        </div>
+
+        {error && (
+          <div className="text-xs text-red-400 bg-red-400/10 border border-red-400/20 rounded-lg px-3 py-2">
+            {error}
+          </div>
+        )}
+        {success && !error && (
+          <div className="text-xs text-success bg-success/10 border border-success/20 rounded-lg px-3 py-2">
+            {t("saved")}
+          </div>
+        )}
+
+        <div className="flex items-center justify-between gap-3">
+          {initial?.updatedAt && (
+            <div className="text-xs text-text-muted">
+              {t("lastUpdated", {
+                when: new Date(initial.updatedAt).toLocaleString(),
+              })}
+            </div>
+          )}
+          <button
+            type="submit"
+            disabled={submitting}
+            className="ml-auto text-sm font-medium px-4 py-2 rounded-lg bg-accent text-white hover:bg-accent/90 transition-colors disabled:opacity-50"
+          >
+            {submitting ? tCommon("loading") : t("save")}
+          </button>
+        </div>
+      </form>
+    </Card>
+  );
+}