import { PrismaService } from '../src/prisma/prisma.service';

/**
 * Schema-level guarantees of the platform backbone migration that the Prisma
 * schema alone cannot express (UNLOGGED table, nullable unique dedupe key).
 */
describe('Platform backbone schema (e2e)', () => {
  let prisma: PrismaService;
  const suffix = `${Date.now()}-${Math.round(Math.random() * 1e6)}`;

  beforeAll(() => {
    prisma = new PrismaService();
  });

  afterAll(async () => {
    await prisma.domainEvent.deleteMany({
      where: { aggregateId: `t-${suffix}` },
    });
    await prisma.$disconnect();
  });

  it('creates ThrottlerHit as an UNLOGGED table', async () => {
    const [row] = await prisma.$queryRaw<
      { relpersistence: string }[]
    >`SELECT relpersistence::text AS relpersistence FROM pg_class WHERE relname = 'ThrottlerHit'`;
    expect(row.relpersistence).toBe('u');
  });

  it('keeps at most one event per dedupe key', async () => {
    const data = {
      type: 'TaskDue',
      aggregateType: 'Task',
      aggregateId: `t-${suffix}`,
      payload: {},
      correlationId: 'c',
      dedupeKey: `TaskDue:t-${suffix}:2026-10-13`,
    };
    expect(
      (
        await prisma.domainEvent.createMany({
          data: [data],
          skipDuplicates: true,
        })
      ).count,
    ).toBe(1);
    expect(
      (
        await prisma.domainEvent.createMany({
          data: [data],
          skipDuplicates: true,
        })
      ).count,
    ).toBe(0);
  });
});