import { describe, expect, it } from "vitest";

import { eslint } from "./lintProbe.testkit";

// `local/input-primitive` (eslint.config.js): every text field is ui/Input, Textarea or InnerInput and
// every checkbox / slider / colour well a NativeControls primitive (docs/DESIGN.md A4, A6).
// ~100 hand-styled boxes were swept; this pins that the rule keeping a new one out fires, and where it
// stands down.
const RULE = "local/input-primitive";

async function hits(source: string, filePath = "src/components/__probe.tsx"): Promise<number> {
  const [result] = await eslint.lintText(source, { filePath });
  return (result?.messages ?? []).filter((m) => m.ruleId === RULE).length;
}

describe("a hand-rolled field", () => {
  // Each new path's first lint makes the type-aware project service load it (0.4–1 s apiece, a repeat
  // ~0): this case lints three, ~1 s idle, past 5 s on a busy machine.
  it(
    "is refused anywhere outside the field primitives, text box or native control",
    { timeout: 30_000 },
    async () => {
      const text = 'export const A = () => <input className="border px-2" />;\n';
      expect(await hits(text)).toBe(1);
      expect(await hits(text, "src/design-lab/__probe.tsx")).toBe(1);
      // …and in a ui/ composite: the pager's page box is an Input too.
      expect(await hits(text, "src/components/ui/Pager.tsx")).toBe(1);
      expect(await hits("export const B = () => <textarea />;\n")).toBe(1);
      expect(await hits('export const C = () => <input type="checkbox" />;\n')).toBe(1);
      expect(await hits('export const D = () => <input type="range" />;\n')).toBe(1);
    },
  );

  it("passes in a field primitive, for a file picker, and for the primitives themselves", async () => {
    for (const file of ["Input.tsx", "NativeControls.tsx"])
      expect(await hits("export const E = () => <input />;\n", `src/components/ui/${file}`)).toBe(
        0,
      );
    expect(await hits('export const F = () => <input type="file" hidden />;\n')).toBe(0);
    expect(
      await hits(
        'import { Input } from "./ui/Input";\nexport const G = () => <Input className="w-full" />;\n',
      ),
    ).toBe(0);
  });
});