// Covers names ignored in every repo (June, 2026-10-01): a file or folder with that exact name, at
// any depth, is gone from every repo at once, stays gone in later saves, and comes back when the
// name is taken off the list.

import { beforeAll, describe, expect, test } from "bun:test";
import { mkdir, writeFile } from "node:fs/promises";
import { join } from "node:path";
import { openBucket } from "../src/bucket/reader.ts";
import { syncAll } from "../src/bucket/sync.ts";
import { Browser, type Instance, instance } from "./browser.ts";
import { makeRepos } from "./fixture.ts";

describe("names ignored in every repo", () => {
	let inst: Instance;
	let browser: Browser;
	let repos: Awaited<ReturnType<typeof makeRepos>>;
	const status = async (path: string) => `${path} ${(await inst.app.request(path)).status}`;
	const ignore = (ignored: string) => browser.post("/admin/site", { section: "site", ignored });
	const sync = () =>
		syncAll({
			bucket: openBucket({ kind: "folder", path: repos.bucketDir }),
			kepr: inst.kepr,
			mirrorDir: join(inst.dataDir, "mirror"),
		});
	const gone = ["/app/raw/AGENTS.md", "/app/raw/.agent/notes.md", "/lib/raw/src/AGENTS.md"];
	const kept = ["/app/raw/AGENTS.md.bak", "/app/raw/.agents/x.md", "/lib/raw/src/main.ts"];

	beforeAll(async () => {
		repos = await makeRepos(["app", "lib"]);
		const files: [string, string][] = [
			["app/AGENTS.md", "rules\n"],
			["app/AGENTS.md.bak", "old rules\n"],
			["app/.agent/notes.md", "notes\n"],
			["app/.agents/x.md", "not the same name\n"],
			["lib/src/AGENTS.md", "nested rules\n"],
			["lib/src/main.ts", "export const a = 1;\n"],
		];
		for (const [path, text] of files) {
			const full = join(repos.bucketDir, "..", "work", path);
			await mkdir(join(full, ".."), { recursive: true });
			await writeFile(full, text);
		}
		for (const repo of ["app", "lib"]) {
			repos.koh(repo, "save", "add agent files");
			repos.koh(repo, "offer");
		}
		inst = await instance(repos.bucketDir);
		browser = new Browser(inst.app);
		await browser.signIn();
		for (const repo of ["app", "lib"]) {
			await browser.post(`/admin/repos/${repo}`, { public: "1", hidden_paths: "" });
		}
	});

	test("global hide is linked from repos and precedes the long site editors", async () => {
		const reposPage = await (await browser.get("/admin/repos")).text();
		expect(reposPage).toContain('href="/admin/site#global-hide"');
		const site = await (await browser.get("/admin/site")).text();
		expect(site).toContain('id="global-hide"');
		expect(site.indexOf('name="ignored"')).toBeLessThan(site.indexOf('name="support_page"'));
		expect(await (await browser.get("/admin/site?section=profile")).text()).not.toContain(
			'name="ignored"',
		);
	});

	test("refuses anything but a plain name", async () => {
		for (const name of ["src/AGENTS.md", "..", "a\u0000b", "x".repeat(256)]) {
			expect((await ignore(name)).status).toBe(400);
		}
		expect(await status(gone[0] as string)).toBe(`${gone[0]} 200`);
	});

	test("an ignored name is gone from every repo at any depth, and only that name", async () => {
		expect((await ignore(".agent\r\nAGENTS.md\n")).status).toBe(303);
		for (const path of gone) expect(await status(path)).toBe(`${path} 404`);
		for (const path of kept) expect(await status(path)).toBe(`${path} 200`);
		expect(await (await browser.get("/admin/site")).text()).toContain(
			">.agent\nAGENTS.md</textarea>",
		);
	});

	test("stays ignored in saves that arrive later", async () => {
		await writeFile(join(repos.bucketDir, "..", "work", "app", "AGENTS.md"), "new rules\n");
		repos.koh("app", "save", "change the rules");
		repos.koh("app", "offer");
		await sync();
		expect(await status("/app/raw/AGENTS.md")).toBe("/app/raw/AGENTS.md 404");
		expect(await (await inst.app.request("/app")).text()).toContain("change the rules");
	});

	test("taking a name off the list brings its files back", async () => {
		expect((await ignore(".agent")).status).toBe(303);
		expect(await status("/lib/raw/src/AGENTS.md")).toBe("/lib/raw/src/AGENTS.md 200");
		expect(await (await inst.app.request("/app/raw/AGENTS.md")).text()).toBe("new rules\n");
		expect(await status("/app/raw/.agent/notes.md")).toBe("/app/raw/.agent/notes.md 404");
	});
});