import { describe, expect, it } from "vitest";
import {
  createBarcodeZip,
  parseBatch,
  renderBarcodeSvg,
} from "../../src/barcode/generate";
import {
  buildStructuredPayload,
  gtinCheckDigit,
  validateGtin,
} from "../../src/barcode/payloads";

describe("barcode generation", () => {
  it("renders inert scalable QR output", () => {
    const result = renderBarcodeSvg({
      format: "qrcode",
      text: "https://example.com",
      scale: 3,
      padding: 8,
      includeText: false,
    });
    expect(result.svg).toMatch(/^<svg/u);
    expect(result.svg).not.toMatch(/<script|\bon\w+=|href=/iu);
    expect(result.width).toBeGreaterThan(0);
  });

  it("creates deterministic named batch archives", () => {
    const rows = parseBatch('first,hello\n"second",world');
    const first = createBarcodeZip(rows, {
      format: "qrcode",
      scale: 2,
      padding: 8,
      includeText: false,
    });
    const second = createBarcodeZip(rows, {
      format: "qrcode",
      scale: 2,
      padding: 8,
      includeText: false,
    });
    expect(first).toEqual(second);
  });
});

describe("structured payloads", () => {
  it("escapes Wi-Fi delimiter characters", () =>
    expect(
      buildStructuredPayload("wifi", {
        primary: "lab;guest",
        secondary: "p:a\\ss",
        tertiary: "WPA",
        hidden: true,
      }),
    ).toBe("WIFI:T:WPA;S:lab\\;guest;P:p\\:a\\\\ss;H:true;;"));
  it("rejects injected or unsupported Wi-Fi security fields", () => {
    expect(() =>
      buildStructuredPayload("wifi", {
        primary: "lab",
        tertiary: "WPA;S:other",
      }),
    ).toThrow(/WPA, WEP, or nopass/u);
  });
  it("calculates and validates GTIN check digits", () => {
    expect(gtinCheckDigit("400638133393")).toBe(1);
    expect(validateGtin("4006381333931")).toEqual({
      valid: true,
      expected: "1",
    });
  });
});