import request from 'supertest';
import app from '../../src/app';
import { pool } from '../../src/db';
import { resetDb, closeDb } from './setup/testDb';

beforeEach(async () => {
  await resetDb();
});

afterAll(async () => {
  await pool.end();
  await closeDb();
});

interface SeedOptions {
  state?: string;
  aiName?: string | null;
  priceSource?: string;
}

/**
 * A submission as the intake route leaves it: a pending item priced at the
 * migration's 8000 default, a draft beside it, and one photo.
 */
async function seedDraft(overrides: SeedOptions = {}): Promise<number> {
  const { rows } = await pool.query<{ id: number }>(
    `INSERT INTO items (name, status) VALUES ('Submission 2026-09-01', 'pending') RETURNING id`
  );
  const itemId = rows[0]!.id;

  await pool.query(
    `INSERT INTO item_drafts (item_id, submitter_note, state, ai_name, ai_description, price_source)
     VALUES ($1, 'found in a loft', $2, $3, 'A blue vase.', $4)`,
    [
      itemId,
      overrides.state ?? 'ready',
      overrides.aiName === undefined ? 'Blue vase' : overrides.aiName,
      overrides.priceSource ?? 'ai'
    ]
  );
  await pool.query(
    `INSERT INTO item_images (item_id, image_path, sort_order) VALUES ($1, '/uploads/a.jpg', 0)`,
    [itemId]
  );
  return itemId;
}

const itemIds = (body: { drafts: { item_id: number }[] }): number[] =>
  body.drafts.map((draft) => draft.item_id);

describe('GET /api/admin/item-drafts', () => {
  it('returns the draft with its item, photos and note', async () => {
    const itemId = await seedDraft();

    const res = await request(app).get('/api/admin/item-drafts');

    expect(res.status).toBe(200);
    const draft = res.body.drafts.find((d: { item_id: number }) => d.item_id === itemId);
    expect(draft).toBeDefined();
    expect(draft.submitter_note).toBe('found in a loft');
    expect(draft.ai_name).toBe('Blue vase');
    expect(draft.price_cents).toBe(8000);
    expect(draft.price_source).toBe('ai');
    expect(draft.images).toHaveLength(1);
  });

  // The token digest lives on upload_links and must never be selected into a
  // response. Spelling the columns is what prevents that; this is the assertion
  // that keeps it spelled.
  it('never sends the upload link token digest', async () => {
    await seedDraft();

    const res = await request(app).get('/api/admin/item-drafts');

    expect(JSON.stringify(res.body)).not.toContain('token_hash');
  });

  it('filters by state', async () => {
    const ready = await seedDraft({ state: 'ready' });
    const failed = await seedDraft({ state: 'failed' });

    const res = await request(app).get('/api/admin/item-drafts?state=failed');

    expect(itemIds(res.body)).toContain(failed);
    expect(itemIds(res.body)).not.toContain(ready);
  });

  // Discarded is recoverable, so it has to be reachable — but it must not sit
  // in the default view competing with work that still needs doing.
  it('hides discarded drafts unless they are asked for', async () => {
    const discarded = await seedDraft({ state: 'discarded' });

    const def = await request(app).get('/api/admin/item-drafts');
    expect(itemIds(def.body)).not.toContain(discarded);

    const asked = await request(app).get('/api/admin/item-drafts?state=discarded');
    expect(itemIds(asked.body)).toContain(discarded);
  });

  /**
   * The gate is disabled when ADMIN_GATE_SECRET is unset, which is how the rest
   * of this suite runs, so it is set here for the length of this test alone.
   * Worth asserting: the gate goes on the mount in app.ts rather than inside the
   * router, and leaving it off a new mount is a silent hole.
   */
  describe('with the admin gate configured', () => {
    const original = process.env.ADMIN_GATE_SECRET;

    beforeAll(() => {
      process.env.ADMIN_GATE_SECRET = 'integration-secret';
    });

    afterAll(() => {
      if (original === undefined) delete process.env.ADMIN_GATE_SECRET;
      else process.env.ADMIN_GATE_SECRET = original;
    });

    it('refuses a request with no gate header', async () => {
      await seedDraft();
      const res = await request(app).get('/api/admin/item-drafts');
      expect(res.status).toBe(403);
    });

    it('allows a request carrying the secret', async () => {
      await seedDraft();
      const res = await request(app)
        .get('/api/admin/item-drafts')
        .set('X-Admin-Gate', 'integration-secret');
      expect(res.status).toBe(200);
    });
  });
});

describe('POST /api/admin/item-drafts/:itemId/publish', () => {
  const body = { name: 'Blue stoneware vase', description: 'Chipped base.', priceCents: 9500 };

  it('writes the edited copy onto the item and publishes it', async () => {
    const itemId = await seedDraft();

    const res = await request(app).post(`/api/admin/item-drafts/${itemId}/publish`).send(body);

    expect(res.status).toBe(200);
    const { rows } = await pool.query(
      `SELECT name, description, price_cents, status FROM items WHERE id = $1`,
      [itemId]
    );
    expect(rows[0]).toMatchObject({
      name: 'Blue stoneware vase',
      description: 'Chipped base.',
      price_cents: 9500,
      status: 'available'
    });
  });

  // The transition priceSource.ts defines, asserted end to end: a changed
  // number is now the admin's responsibility.
  it('records an edited price as the admin choice', async () => {
    const itemId = await seedDraft();

    await request(app).post(`/api/admin/item-drafts/${itemId}/publish`).send(body);

    const { rows } = await pool.query(`SELECT price_source FROM item_drafts WHERE item_id = $1`, [
      itemId
    ]);
    expect(rows[0]?.price_source).toBe('admin');
  });

  // And the case that matters more: publishing without touching the number must
  // leave it recorded as unconfirmed rather than quietly claiming it was chosen.
  it('leaves an untouched price unconfirmed', async () => {
    const itemId = await seedDraft();

    await request(app)
      .post(`/api/admin/item-drafts/${itemId}/publish`)
      .send({ ...body, priceCents: 8000 });

    const { rows } = await pool.query(`SELECT price_source FROM item_drafts WHERE item_id = $1`, [
      itemId
    ]);
    expect(rows[0]?.price_source).toBe('ai');
  });

  it('refuses a publish with no name, and leaves the item unpublished', async () => {
    const itemId = await seedDraft();

    const res = await request(app)
      .post(`/api/admin/item-drafts/${itemId}/publish`)
      .send({ ...body, name: '  ' });

    expect(res.status).toBe(400);
    const { rows } = await pool.query(`SELECT status FROM items WHERE id = $1`, [itemId]);
    expect(rows[0]?.status).toBe('pending');
  });

  it('refuses a negative price', async () => {
    const itemId = await seedDraft();
    const res = await request(app)
      .post(`/api/admin/item-drafts/${itemId}/publish`)
      .send({ ...body, priceCents: -1 });
    expect(res.status).toBe(400);
  });

  it('refuses a fractional price', async () => {
    const itemId = await seedDraft();
    const res = await request(app)
      .post(`/api/admin/item-drafts/${itemId}/publish`)
      .send({ ...body, priceCents: 95.5 });
    expect(res.status).toBe(400);
  });

  it('404s for an item with no draft', async () => {
    const { rows } = await pool.query<{ id: number }>(
      `INSERT INTO items (name) VALUES ('ordinary item') RETURNING id`
    );
    const res = await request(app)
      .post(`/api/admin/item-drafts/${rows[0]!.id}/publish`)
      .send(body);
    expect(res.status).toBe(404);
  });
});