Phase7: Void/Refund logic

src/lib/pdf-brand.tsx

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+/**
+ * Shared brand constants and Logo component for all PDF documents
+ * (invoices, credit notes, future quotes / reminders).
+ *
+ * Phase 7 fix: previously each PDF generator carried its own copy
+ * of BRAND and its own Logo. When Cedric customized the invoice
+ * issuer block in his deployment (real Strasse Nr., PLZ, etc.),
+ * the credit note PDF kept the original placeholders because it
+ * had its own duplicate. Hoisting both here means every PDF reads
+ * the same source of truth.
+ *
+ * To change the brand: edit BRAND below. To change the logo:
+ * edit Logo below. To change the issuer info Cedric ships: edit
+ * BRAND.issuer — both billing-pdf.tsx and credit-note-pdf.tsx pick
+ * it up automatically.
+ *
+ * The Logo component accepts a `color` prop so the credit-note
+ * variant can render the SAME shape tinted red (the document
+ * family is visually consistent; only the accent colour signals
+ * "this is a credit, not an invoice").
+ */
+
+import React from "react";
+import { Svg, Polygon, Polyline } from "@react-pdf/renderer";
+
+// ---------------------------------------------------------------------------
+// Brand constants
+// ---------------------------------------------------------------------------
+
+export const BRAND = {
+  name: "PieCed IT",
+  // Primary emerald — matches the logo SVG fill (#10B981).
+  primary: "#10B981",
+  // Slightly darker emerald for headings.
+  primaryDark: "#0a8060",
+  textColor: "#1a1a1a",
+  mutedColor: "#666",
+  borderColor: "#d4d4d4",
+  // Issuer block — change these to your real legal info.
+  // Both billing-pdf.tsx and credit-note-pdf.tsx read from here.
+  issuer: {
+    legalName: "PieCed IT",
+    addressLine1: "Cedric Mosimann",
+    addressLine2: "[Strasse Nr.]",
+    postalCity: "[PLZ] Basel",
+    country: "Switzerland",
+    email: "billing@pieced.ch",
+    web: "pieced.ch",
+    // Show "MWST-Nr. ..." on PDF when set.
+    vatNumber: null as string | null,
+    // Bank instructions — used by invoice PDF, ignored on credit
+    // notes (refunds flow back via the original payment method).
+    bankName: "[Bank name]",
+    bankIban: "[CHxx xxxx xxxx xxxx xxxx x]",
+    bankBic: "[BIC]",
+  },
+};
+
+// ---------------------------------------------------------------------------
+// Accent colours for document variants — credit notes are red so
+// customers can tell them apart from invoices at a glance.
+// ---------------------------------------------------------------------------
+
+export const ACCENT_CREDIT_NOTE = {
+  primary: "#DC2626",
+  primaryDark: "#991B1B",
+};
+
+// ---------------------------------------------------------------------------
+// Logo — PieCed's hexagon-pattern mark. Same shape used everywhere;
+// only the colour changes per document type.
+// ---------------------------------------------------------------------------
+
+interface LogoProps {
+  size?: number;
+  /** Defaults to BRAND.primary (emerald). Pass ACCENT_CREDIT_NOTE.primary
+   *  on credit notes for the red variant. */
+  color?: string;
+}
+
+export const Logo = ({ size = 60, color = BRAND.primary }: LogoProps) => (
+  <Svg width={size} height={size * (106 / 70)} viewBox="0 0 70 106">
+    {/* H1 solid */}
+    <Polygon
+      points="38.5,22.69 31.5,10.566 17.5,10.566 10.5,22.69 17.5,34.814 31.5,34.814"
+      fill={color}
+      stroke={color}
+      strokeWidth={1.6}
+    />
+    {/* H2 outline */}
+    <Polygon
+      points="59.5,34.814 52.5,22.69 38.5,22.69 31.5,34.814 38.5,46.938 52.5,46.938"
+      fill="none"
+      stroke={color}
+      strokeWidth={1.8}
+    />
+    {/* H3 outline */}
+    <Polygon
+      points="38.5,46.938 31.5,34.814 17.5,34.814 10.5,46.938 17.5,59.062 31.5,59.062"
+      fill="none"
+      stroke={color}
+      strokeWidth={1.8}
+    />
+    {/* H4 solid */}
+    <Polygon
+      points="59.5,59.062 52.5,46.938 38.5,46.938 31.5,59.062 38.5,71.186 52.5,71.186"
+      fill={color}
+      stroke={color}
+      strokeWidth={1.6}
+    />
+    {/* H5 partial */}
+    <Polyline
+      points="31.5,83.31 38.5,71.186 31.5,59.062 17.5,59.062 10.5,71.186"
+      fill="none"
+      stroke={color}
+      strokeWidth={1.8}
+    />
+    {/* H6 partial */}
+    <Polyline
+      points="59.5,83.31 52.5,71.186 38.5,71.186 31.5,83.31 38.5,95.434"
+      fill="none"
+      stroke={color}
+      strokeWidth={1.8}
+    />
+  </Svg>
+);