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

const root = new URL("../", import.meta.url);
const adminSource = readFileSync(new URL("src/lib/supabase/admin.ts", root), "utf8");
const adminCoreSource = readFileSync(new URL("src/lib/supabase/admin-client-core.ts", root), "utf8");
const codesSource = readFileSync(new URL("src/app/api/admin/codes/route.ts", root), "utf8");
const sessionSource = readFileSync(new URL("src/app/api/admin/session/route.ts", root), "utf8");
const accountSource = readFileSync(new URL("src/app/api/account/route.ts", root), "utf8");
const usersSource = readFileSync(new URL("src/app/api/admin/users/route.ts", root), "utf8");
const migration = readFileSync(new URL("supabase/migrations/20260805020000_reconcile_payment_admin_schema.sql", root), "utf8");

test("ADMIN_EMAILS remains a case-insensitive comma-separated allowlist", () => {
  assert.match(adminCoreSource, /configured/);
  assert.match(adminCoreSource, /split\(","\)/);
  assert.match(adminCoreSource, /toLowerCase/);
  assert.match(adminCoreSource, /export function isAdminEmail/);
});

test("admin surfaces await database-backed administrator checks", () => {
  assert.match(adminSource, /export async function isAdminUser/);
  assert.match(adminSource, /from\("admin_users"\)/);
  assert.match(sessionSource, /await requireAdminSession\(\)/);
  assert.match(codesSource, /await requireAdminSession\("write"\)/);
  assert.match(accountSource, /const isAdmin = await isAdminUser\(user\)/);
  assert.match(accountSource, /isAdmin,/);
});

test("admin_users migration is service-role-only and auditable", () => {
  assert.match(migration, /user_id uuid primary key references auth\.users\(id\)/);
  assert.match(migration, /created_at timestamptz/);
  assert.match(migration, /created_by uuid/);
  assert.match(migration, /revoked_at timestamptz/);
  assert.match(migration, /revoked_by uuid/);
  assert.match(migration, /enable row level security/);
  assert.match(migration, /revoke all on table public\.admin_users from anon, authenticated/);
  assert.match(migration, /grant select, insert, update on table public\.admin_users to service_role/);
});

test("admin users route exposes a guarded list and rejects mutations", () => {
  assert.match(usersSource, /export async function GET/);
  assert.match(usersSource, /await requireAdminSession\(\)/);
  assert.match(usersSource, /export const POST = readonlyAdminMutation/);
  assert.match(usersSource, /export const PATCH = readonlyAdminMutation/);
  assert.match(usersSource, /export const DELETE = readonlyAdminMutation/);
});