import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import test from "node:test";

import { formatOrderClause } from "../src/lib/db/local-postgres-client-core.ts";

const listRoute = readFileSync(new URL("../src/app/api/sessions/route.ts", import.meta.url), "utf8");
const cursor = readFileSync(new URL("../src/lib/session-cursor.ts", import.meta.url), "utf8");
const packagesRoute = readFileSync(new URL("../src/app/api/payment/packages/route.ts", import.meta.url), "utf8");
const core = readFileSync(new URL("../src/lib/db/local-postgres-client-core.ts", import.meta.url), "utf8");

test("a single order() still emits one key", () => {
  assert.equal(
    formatOrderClause([{ column: "id", ascending: false }]),
    ' order by "id" desc',
  );
  assert.equal(
    formatOrderClause([{ column: "sort_order", ascending: true }]),
    ' order by "sort_order" asc',
  );
});

test("two order() calls keep both keys in call order", () => {
  assert.equal(
    formatOrderClause([
      { column: "updated_at", ascending: false },
      { column: "id", ascending: false },
    ]),
    ' order by "updated_at" desc, "id" desc',
  );
  assert.equal(
    formatOrderClause([
      { column: "sort_order", ascending: true },
      { column: "created_at", ascending: true },
    ]),
    ' order by "sort_order" asc, "created_at" asc',
  );
  assert.match(core, /this\.ordering\.push\(\{ column, ascending: options\.ascending !== false \}\)/);
  assert.match(core, /sql \+= formatOrderClause\(this\.ordering\);/);
});

test("session list sort keys match the cursor filter keys", () => {
  assert.match(listRoute, /\.order\("updated_at", \{ ascending: false \}\)\s*\.order\("id", \{ ascending: false \}\)/);
  assert.match(cursor, /updated_at\.lt\.\$\{updatedAt\},and\(updated_at\.eq\.\$\{updatedAt\},id\.lt\.\$\{id\}\)/);
  assert.match(packagesRoute, /\.order\("sort_order"\)\s*\.order\("created_at"\)/);
});