import { createUser, db, get, test } from "../helpers.ts";
import { assertEquals } from "@std/assert";
import type { ChatMessage } from "../../../shared/chat.ts";

function insertMessage(
  userId: string,
  body: string,
  createdAt: string,
  id?: string,
) {
  const messageId = id ?? crypto.randomUUID();
  db.prepare(
    `INSERT INTO chat_messages (id, user_id, body, created_at) VALUES (?, ?, ?, ?);`,
  ).run(messageId, userId, body, createdAt);
  return messageId;
}

const T = (n: number) => new Date(Date.UTC(2024, 0, 1, 0, 0, n)).toISOString();

test("GET /api/chat: members only, with limit and both cursors", async () => {
  const user = await createUser();
  const ids = [1, 2, 3].map((n) => insertMessage(user.id, `m${n}`, T(n)));
  assertEquals((await get("/api/chat")).status, 401);
  const bodies = async (q: string) =>
    (await get<ChatMessage[]>(`/api/chat${q}`, { auth: user.auth })).data.map(
      (m) => m.body,
    );
  assertEquals(await bodies(""), ["m1", "m2", "m3"]);
  assertEquals(await bodies("?limit=1"), ["m3"]);
  assertEquals(await bodies("?limit=abc"), ["m1", "m2", "m3"]);
  assertEquals(await bodies(`?before=${T(3)}&beforeId=${ids[2]}`), [
    "m1",
    "m2",
  ]);
  assertEquals(await bodies(`?after=${T(1)}&afterId=${ids[0]}`), ["m2", "m3"]);
});