/**
 * Day Notes integration tests.
 * Covers NOTE-001 to NOTE-006.
 */
import { buildApp } from '../../src/bootstrap';
import { db as testDb } from '../../src/db/database';
import { authCookie } from '../helpers/auth';
import { createUser, createTrip, createDay, addTripMember } from '../helpers/factories';
import { resetTestDb, resetRateLimits } from '../helpers/test-db';
import type { INestApplication } from '@nestjs/common';

import type { Application } from 'express';
import request from 'supertest';
import { describe, it, expect, vi, beforeAll, beforeEach, afterAll } from 'vitest';

vi.mock('../../src/db/database', async () => {
  const { createSnapshotTestDb, buildDbMock } = await import('../helpers/db-mock');
  return buildDbMock(createSnapshotTestDb());
});

let nestApp: INestApplication;
let app: Application;

beforeAll(async () => {
  nestApp = await buildApp();
  app = nestApp.getHttpAdapter().getInstance();
});

beforeEach(async () => {
  resetTestDb(testDb);
  await resetRateLimits(nestApp);
});

afterAll(async () => {
  await nestApp.close();
  testDb.close();
});

// ─────────────────────────────────────────────────────────────────────────────
// Create day note
// ─────────────────────────────────────────────────────────────────────────────

describe('Create day note', () => {
  it('NOTE-001 — POST creates a day note', async () => {
    const { user } = createUser(testDb);
    const trip = createTrip(testDb, user.id);
    const day = createDay(testDb, trip.id, { date: '2025-06-01' });

    const res = await request(app)
      .post(`/api/trips/${trip.id}/days/${day.id}/notes`)
      .set('Cookie', authCookie(user.id))
      .send({ text: 'Remember to book tickets', time: '09:00' });
    expect(res.status).toBe(201);
    expect(res.body.note.text).toBe('Remember to book tickets');
    expect(res.body.note.time).toBe('09:00');
  });

  it('NOTE-001 — POST without text returns 400', async () => {
    const { user } = createUser(testDb);
    const trip = createTrip(testDb, user.id);
    const day = createDay(testDb, trip.id);

    const res = await request(app)
      .post(`/api/trips/${trip.id}/days/${day.id}/notes`)
      .set('Cookie', authCookie(user.id))
      .send({ time: '10:00' });
    expect(res.status).toBe(400);
  });

  it('NOTE-002 — text exceeding 500 characters is rejected', async () => {
    const { user } = createUser(testDb);
    const trip = createTrip(testDb, user.id);
    const day = createDay(testDb, trip.id);

    const res = await request(app)
      .post(`/api/trips/${trip.id}/days/${day.id}/notes`)
      .set('Cookie', authCookie(user.id))
      .send({ text: 'A'.repeat(501) });
    expect(res.status).toBe(400);
  });

  it('NOTE-001 — POST on non-existent day returns 404', async () => {
    const { user } = createUser(testDb);
    const trip = createTrip(testDb, user.id);

    const res = await request(app)
      .post(`/api/trips/${trip.id}/days/99999/notes`)
      .set('Cookie', authCookie(user.id))
      .send({ text: 'This should fail' });
    expect(res.status).toBe(404);
  });
});

// ─────────────────────────────────────────────────────────────────────────────
// List day notes
// ─────────────────────────────────────────────────────────────────────────────

describe('List day notes', () => {
  it('NOTE-003 — GET returns notes for a day', async () => {
    const { user } = createUser(testDb);
    const trip = createTrip(testDb, user.id);
    const day = createDay(testDb, trip.id);

    await request(app)
      .post(`/api/trips/${trip.id}/days/${day.id}/notes`)
      .set('Cookie', authCookie(user.id))
      .send({ text: 'Note A' });
    await request(app)
      .post(`/api/trips/${trip.id}/days/${day.id}/notes`)
      .set('Cookie', authCookie(user.id))
      .send({ text: 'Note B' });

    const res = await request(app).get(`/api/trips/${trip.id}/days/${day.id}/notes`).set('Cookie', authCookie(user.id));
    expect(res.status).toBe(200);
    expect(res.body.notes).toHaveLength(2);
  });

  it('NOTE-006 — non-member cannot list notes', async () => {
    const { user: owner } = createUser(testDb);
    const { user: other } = createUser(testDb);
    const trip = createTrip(testDb, owner.id);
    const day = createDay(testDb, trip.id);

    const res = await request(app)
      .get(`/api/trips/${trip.id}/days/${day.id}/notes`)
      .set('Cookie', authCookie(other.id));
    expect(res.status).toBe(404);
  });
});

// ─────────────────────────────────────────────────────────────────────────────
// Update day note
// ─────────────────────────────────────────────────────────────────────────────

describe('Update day note', () => {
  it('NOTE-004 — PUT updates a note', async () => {
    const { user } = createUser(testDb);
    const trip = createTrip(testDb, user.id);
    const day = createDay(testDb, trip.id);

    const create = await request(app)
      .post(`/api/trips/${trip.id}/days/${day.id}/notes`)
      .set('Cookie', authCookie(user.id))
      .send({ text: 'Old text' });
    const noteId = create.body.note.id;

    const res = await request(app)
      .put(`/api/trips/${trip.id}/days/${day.id}/notes/${noteId}`)
      .set('Cookie', authCookie(user.id))
      .send({ text: 'New text', icon: '🎯' });
    expect(res.status).toBe(200);
    expect(res.body.note.text).toBe('New text');
    expect(res.body.note.icon).toBe('🎯');
  });

  it('NOTE-004 — PUT on non-existent note returns 404', async () => {
    const { user } = createUser(testDb);
    const trip = createTrip(testDb, user.id);
    const day = createDay(testDb, trip.id);

    const res = await request(app)
      .put(`/api/trips/${trip.id}/days/${day.id}/notes/99999`)
      .set('Cookie', authCookie(user.id))
      .send({ text: 'Updated' });
    expect(res.status).toBe(404);
  });
});

// ─────────────────────────────────────────────────────────────────────────────
// Delete day note
// ─────────────────────────────────────────────────────────────────────────────

describe('Delete day note', () => {
  it('NOTE-005 — DELETE removes note', async () => {
    const { user } = createUser(testDb);
    const trip = createTrip(testDb, user.id);
    const day = createDay(testDb, trip.id);

    const create = await request(app)
      .post(`/api/trips/${trip.id}/days/${day.id}/notes`)
      .set('Cookie', authCookie(user.id))
      .send({ text: 'To delete' });
    const noteId = create.body.note.id;

    const del = await request(app)
      .delete(`/api/trips/${trip.id}/days/${day.id}/notes/${noteId}`)
      .set('Cookie', authCookie(user.id));
    expect(del.status).toBe(200);
    expect(del.body.success).toBe(true);

    const list = await request(app)
      .get(`/api/trips/${trip.id}/days/${day.id}/notes`)
      .set('Cookie', authCookie(user.id));
    expect(list.body.notes).toHaveLength(0);
  });

  it('NOTE-005 — DELETE non-existent note returns 404', async () => {
    const { user } = createUser(testDb);
    const trip = createTrip(testDb, user.id);
    const day = createDay(testDb, trip.id);

    const res = await request(app)
      .delete(`/api/trips/${trip.id}/days/${day.id}/notes/99999`)
      .set('Cookie', authCookie(user.id));
    expect(res.status).toBe(404);
  });
});