import { describe, it, before, after } from "node:test";
import assert from "node:assert/strict";
import type { BackendDbInterface } from "../../src/db/types/DbInterface.js";
import { NotFoundAbodeError } from "../../src/db/types/errors.js";
import { hashPassword } from "../../src/util/hash.js";

export function runSessionTests(
  name: string,
  getDb: () => Promise<{ db: BackendDbInterface; close(): void }>,
): void {
  describe(`${name}: sessions`, async () => {
    let db: BackendDbInterface;
    let close: () => void;
    let uid: string;

    before(async () => {
      ({ db, close } = await getDb());
      const pw = await hashPassword("session-password");
      const user = await db.createUser({
        email: `session-user-${Date.now()}@test.example`,
        name: "Session User",
        password: pw,
        flags: {},
      });
      uid = user.uid;
    });

    after(() => close());

    it("createSession returns an as_ token", async () => {
      const token = await db.createSession(uid);
      assert.ok(token.startsWith("as_"), `token starts with as_: ${token}`);
      assert.equal(token.length, 35, "as_ + 32 hex chars");
    });

    it("getUserBySession returns the correct user", async () => {
      const token = await db.createSession(uid);
      const user = await db.getUserBySession(token);
      assert.equal(user.uid, uid);
    });

    it("getUserBySession throws NotFoundAbodeError for unknown token", async () => {
      const fakeToken = `as_${"0".repeat(32)}` as `as_${string}`;
      await assert.rejects(
        () => db.getUserBySession(fakeToken),
        (err) => {
          assert.ok(err instanceof NotFoundAbodeError);
          return true;
        },
      );
    });

    it("deleteSessionsByUser invalidates all sessions for user", async () => {
      const token = await db.createSession(uid);
      await db.deleteSessionsByUser(uid);
      await assert.rejects(
        () => db.getUserBySession(token),
        (err) => {
          assert.ok(err instanceof NotFoundAbodeError);
          return true;
        },
      );
    });
  });
}