import { identityApp, type IdentityApp } from './helpers/identity-app';
import { checkoutFixture } from './helpers/checkout';
import { secondActor } from './helpers/commerce';
import { DeliveryService } from '../src/events/delivery.service';
import { DeliveryStore } from '../src/events/delivery.store';
import { DisabledDelivery } from '../src/events/disabled-delivery';
import * as audit from '../src/identity/audit';

describe('transactional commerce event delivery', () => {
  let ctx: IdentityApp;
  beforeAll(async () => {
    ctx = await identityApp();
  }, 60000);
  afterAll(async () => {
    await ctx.close();
  });
  beforeEach(async () => {
    await ctx.clearLimits();
    await ctx.db.eventDelivery.updateMany({
      data: { deliveredAt: new Date(), leaseToken: null, leaseExpiresAt: null },
    });
  });
  afterEach(() => jest.restoreAllMocks());
  async function event() {
    const f = await checkoutFixture(ctx);
    const order = await ctx
      .api()
      .post('/api/v1/checkout')
      .auth(f.actor.token, { type: 'bearer' })
      .send(f.input)
      .expect(201);
    return {
      ...f,
      order: order.body,
      event: await ctx.db.commerceEvent.findFirstOrThrow({
        where: { orderId: order.body.id },
      }),
    };
  }
  it('emits one event per committed transition and none after rollback', async () => {
    const f = await event();
    await ctx
      .api()
      .post('/api/v1/checkout')
      .auth(f.actor.token, { type: 'bearer' })
      .send(f.input)
      .expect(201);
    await ctx
      .api()
      .post('/api/v1/orders/' + f.order.id + '/cancel')
      .auth(f.actor.token, { type: 'bearer' })
      .expect(201);
    await ctx
      .api()
      .post('/api/v1/orders/' + f.order.id + '/cancel')
      .auth(f.actor.token, { type: 'bearer' })
      .expect(201);
    expect(
      await ctx.db.commerceEvent.count({ where: { orderId: f.order.id } }),
    ).toBe(2);
    const next = await checkoutFixture(ctx);
    jest
      .spyOn(audit, 'recordAudit')
      .mockRejectedValueOnce(new Error('Synthetic final write failure'));
    await ctx
      .api()
      .post('/api/v1/checkout')
      .auth(next.actor.token, { type: 'bearer' })
      .send(next.input)
      .expect(500);
    expect(
      await ctx.db.commerceEvent.count({
        where: { order: { userId: next.actor.userId } },
      }),
    ).toBe(0);
    await expect(
      ctx.executeSql(`DELETE FROM commerce_events WHERE id = '${f.event.id}'`),
    ).rejects.toThrow();
  });
  it('keeps delivery disabled by default and uses a test adapter with stable event IDs', async () => {
    const f = await event();
    await expect(
      ctx.app.get(DeliveryService).dispatchOne(),
    ).rejects.toMatchObject({ code: 'DELIVERY_UNAVAILABLE' });
    await expect(new DisabledDelivery().deliver()).rejects.toThrow();
    const adapter = {
      assertConfigured: jest.fn(),
      deliver: jest.fn().mockResolvedValue(undefined),
    };
    const service = new DeliveryService(adapter, ctx.app.get(DeliveryStore));
    expect(await service.dispatchOne()).toBe(true);
    expect(adapter.deliver).toHaveBeenCalledWith({
      id: f.event.id,
      orderId: f.order.id,
      organizationId: f.actor.organizationId,
      kind: 'order.created',
    });
    expect(await service.dispatchOne()).toBe(false);
    expect(
      (
        await ctx.db.eventDelivery.findUniqueOrThrow({
          where: { eventId: f.event.id },
        })
      ).deliveredAt,
    ).not.toBeNull();
  });
  it('backs off failures, bounds attempts and permits authorized manual retries', async () => {
    const f = await event();
    const store = ctx.app.get(DeliveryStore);
    const service = new DeliveryService(
      {
        assertConfigured() {},
        deliver: jest
          .fn()
          .mockRejectedValue(new Error('Private transport error')),
      },
      store,
    );
    await service.dispatchOne();
    const failed = await ctx.db.eventDelivery.findUniqueOrThrow({
      where: { eventId: f.event.id },
    });
    expect(failed).toMatchObject({
      attempts: 1,
      lastErrorCode: 'DELIVERY_FAILED',
      leaseToken: null,
    });
    expect(failed.availableAt.getTime()).toBeGreaterThan(Date.now());
    expect(await store.claim()).toBeNull();
    await ctx.db.eventDelivery.update({
      where: { eventId: f.event.id },
      data: { attempts: 5, availableAt: new Date(0) },
    });
    expect(await store.claim()).toBeNull();
    const summary = await ctx
      .api()
      .get('/api/v1/admin/operations/summary')
      .auth(ctx.token, { type: 'bearer' })
      .expect(200);
    expect(summary.body.failedDeliveries).toBe(1);
    await ctx
      .api()
      .post('/api/v1/admin/operations/events/' + f.event.id + '/retry')
      .auth(f.actor.token, { type: 'bearer' })
      .expect(403);
    await ctx
      .api()
      .post('/api/v1/admin/operations/events/' + f.event.id + '/retry')
      .auth(ctx.token, { type: 'bearer' })
      .expect(201);
    expect((await store.claim())?.attempts).toBe(1);
  });
  it('rejects stale lease acknowledgements and protects cross-organization event access', async () => {
    const f = await event();
    const store = ctx.app.get(DeliveryStore);
    const first = (await store.claim())!;
    await ctx
      .api()
      .post('/api/v1/admin/operations/events/' + f.event.id + '/retry')
      .auth(ctx.token, { type: 'bearer' })
      .expect(409);
    await ctx.db.eventDelivery.update({
      where: { eventId: f.event.id },
      data: { leaseExpiresAt: new Date(0) },
    });
    const next = (await store.claim())!;
    expect(next.leaseToken).not.toBe(first.leaseToken);
    expect((await store.acknowledge(f.event.id, first.leaseToken!)).count).toBe(
      0,
    );
    expect((await store.fail(f.event.id, first.leaseToken!, 1)).count).toBe(0);
    await store.acknowledge(f.event.id, next.leaseToken!);
    await ctx
      .api()
      .post('/api/v1/admin/operations/events/' + f.event.id + '/retry')
      .auth(ctx.token, { type: 'bearer' })
      .expect(409);
    const other = await secondActor(ctx, false, [
      'operations.read',
      'notifications.retry',
    ]);
    const list = await ctx
      .api()
      .get('/api/v1/admin/operations/events')
      .auth(other.token, { type: 'bearer' })
      .expect(200);
    expect(list.body).toEqual([]);
    await ctx
      .api()
      .post('/api/v1/admin/operations/events/' + f.event.id + '/retry')
      .auth(other.token, { type: 'bearer' })
      .expect(404);
    const own = await ctx
      .api()
      .get('/api/v1/admin/operations/events?limit=1')
      .auth(ctx.token, { type: 'bearer' })
      .expect(200);
    expect(own.body[0].delivery.leaseToken).toBeUndefined();
  });
});