import { describe, expect, test } from "bun:test";
import {
	editNoteUrl,
	exportNoteUrl,
	newNoteUrl,
	noteUrl,
	redirect,
	settingsUrl,
	wikiUrl,
} from "../../src/lib/urls.ts";

describe("URL helpers", () => {
	test("builds correct paths for all route types", () => {
		expect(wikiUrl("alice", "cooking")).toBe("/@alice/cooking");
		expect(noteUrl("alice", "cooking", "pasta")).toBe("/@alice/cooking/pasta");
		expect(editNoteUrl("alice", "cooking", "pasta")).toBe(
			"/@alice/cooking/pasta/edit",
		);
		expect(newNoteUrl("alice", "cooking")).toBe("/@alice/cooking/new");
		expect(settingsUrl("alice", "cooking")).toBe("/@alice/cooking/-/settings");
		expect(exportNoteUrl("alice", "cooking", "pasta")).toBe(
			"/@alice/cooking/pasta/-/export",
		);
	});

	test("redirect returns 302 with Location header", () => {
		const res = redirect("/@alice/cooking");
		expect(res.status).toBe(302);
		expect(res.headers.get("Location")).toBe("/@alice/cooking");
	});
});

// Results are interpolated straight into href="…", and slugs can originate from
// remote records, so the helpers must not be able to emit attribute-breaking text.
describe("URL segment encoding", () => {
	test("percent-encodes characters that would break out of an attribute", () => {
		const url = noteUrl("alice", "cooking", `x" onmouseover="alert(1)`);
		expect(url).not.toContain('"');
		expect(url).toBe("/@alice/cooking/x%22%20onmouseover%3D%22alert%281%29");
	});

	test("encodes quotes, angle brackets and slashes in a slug", () => {
		expect(wikiUrl("alice", "a/b")).toBe("/@alice/a%2Fb");
		expect(wikiUrl("alice", "<script>")).toBe("/@alice/%3Cscript%3E");
		expect(wikiUrl("alice", "it's")).toBe("/@alice/it%27s");
	});

	test("leaves DIDs and handles readable", () => {
		expect(wikiUrl("did:plc:abc123", "cooking")).toBe(
			"/@did:plc:abc123/cooking",
		);
		expect(wikiUrl("alice.bsky.social", "cooking")).toBe(
			"/@alice.bsky.social/cooking",
		);
	});

	test("keeps multi-byte characters intact rather than splitting surrogates", () => {
		expect(() => wikiUrl("alice", "🌱")).not.toThrow();
		expect(wikiUrl("alice", "🌱")).toBe("/@alice/%F0%9F%8C%B1");
	});
});