// node --test examples/web/hello/hello-cubit.test.mjs  (after `cargo wasm`)
// The cubit with the real hello and statusphere modules, runModule and the Node wasm runner;
// only OAuth, the PLC directory and the PDS are stubbed.
import assert from "node:assert/strict";
import { mkdtemp } from "node:fs/promises";
import { registerHooks } from "node:module";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { test } from "node:test";

// The page resolves atlibs/ through its import map; Node gets the same mapping here.
registerHooks({
	resolve(specifier, context, next) {
		const lib = specifier.startsWith("atlibs/") && new URL(`../../../javascript/src/${specifier.slice("atlibs/".length)}`, import.meta.url).href;
		return next(lib || specifier, context);
	},
});
const { HelloCubit } = await import("./hello-cubit.js");
const { localModule } = await import("../../../javascript/src/run-module/index.js");
const { createNodeContext, fileFetch } = await import("../../../javascript/src/server/index.js");

const did = "did:plc:lpfuqerea3deuoyrn7ojser4";
const modules = new URL("./modules/", import.meta.url);
const local = (name) => localModule(new URL(`${name}.wasm`, modules), new URL(`${name}.json`, modules), fileFetch);

// The public network: the PLC directory and one PDS holding statuses.
const records = [{ uri: `at://${did}/xyz.statusphere.status/a`, value: { status: "🙂" } }];
async function network(url) {
	if (url === `https://plc.directory/${did}`) return Response.json({ service: [{ id: "#atproto_pds", serviceEndpoint: "https://pds.example" }] });
	if (url.startsWith("https://pds.example/xrpc/com.atproto.repo.listRecords?")) return Response.json({ records });
	return new Response("not found", { status: 404 });
}

// A signed-in OAuth session: fetchHandler is what sessionXrpc calls through (DPoP and refresh live there).
function session(writes) {
	return {
		did,
		async fetchHandler(path, init) {
			if (path.startsWith("/xrpc/com.atproto.repo.listRecords?")) return Response.json({ records });
			if (path === "/xrpc/com.atproto.repo.createRecord") {
				const body = JSON.parse(init.body);
				writes.push(body);
				return Response.json({ uri: `at://${did}/${body.collection}/b`, cid: "bafy" });
			}
			return Response.json({ error: "InvalidRequest" }, { status: 400 });
		},
	};
}

async function cubitWith(signedIn) {
	const ctx = createNodeContext({ id: "hello-test", stateDir: await mkdtemp(join(tmpdir(), "hello-")), fetch: network });
	const client = Promise.resolve({ init: async () => signedIn && { session: signedIn }, signIn: async () => {}, revoke: async () => {} });
	const cubit = new HelloCubit({ ctx, client, hello: local("hello"), statusphere: local("statusphere") });
	await cubit.init();
	return cubit;
}

test("count runs signed out: a public read of the account's PDS", async () => {
	const cubit = await cubitWith(undefined);
	assert.equal(cubit.state.session, "signed-out");
	await cubit.count({ did, collection: "xyz.statusphere.status" });
	assert.deepEqual(cubit.state.count, { status: "done", result: { collection: "xyz.statusphere.status", records: 1 }, error: null });
});

test("setStatus writes through the user's session", async () => {
	const writes = [];
	const cubit = await cubitWith(session(writes));
	assert.equal(cubit.state.did, did);
	await cubit.setStatus("🦋");
	assert.equal(cubit.state.status.status, "done", cubit.state.status.error);
	assert.equal(cubit.state.status.result.status, "🦋");
	assert.equal(writes[0].collection, "xyz.statusphere.status");
	await cubit.setStatus("🙂");
	assert.equal(cubit.state.status.result.unchanged, true, "the latest status already matches");
});