import { describe, it, expect } from 'vitest'
import { buildTestApp, setupAdmin, auth, getCookie } from './helpers.js'
import { discogsReleaseFixture } from './fixtures.js'

function discogsStub(): typeof fetch {
  return (async (input: any) => {
    const url = String(input)
    if (url.includes('/releases/1001')) {
      return new Response(JSON.stringify(discogsReleaseFixture), {
        status: 200,
        headers: { 'content-type': 'application/json' },
      })
    }
    if (url.includes('img.discogs.com')) {
      return new Response(new Uint8Array([0xff, 0xd8, 0xff, 0xe0]), {
        status: 200,
        headers: { 'content-type': 'image/jpeg' },
      })
    }
    return new Response('nope', { status: 404 })
  }) as typeof fetch
}

async function appWithToken() {
  const app = await buildTestApp(discogsStub())
  const cookie = await setupAdmin(app)
  await app.inject({
    method: 'PUT',
    url: '/api/settings',
    ...auth(cookie),
    payload: { discogsToken: 'testtoken' },
  })
  return { app, cookie }
}

describe('collection routes', () => {
  it('adds a release from discogs, returns item with artwork and rip status', async () => {
    const { app, cookie } = await appWithToken()
    const res = await app.inject({
      method: 'POST',
      url: '/api/collection',
      ...auth(cookie),
      payload: { releaseId: 1001, barcode: '5021592210629' },
    })
    expect(res.statusCode).toBe(200)
    const item = res.json()
    expect(item).toMatchObject({
      discogsReleaseId: 1001,
      title: 'Motion',
      artist: 'The Cinematic Orchestra',
      year: 1999,
      formats: ['CD'],
      labels: ['Ninja Tune'],
      catno: 'ZENCD012',
      barcodes: ['5021592210629'],
      ripOverride: null,
      ripStatus: 'not_ripped',
    })
    expect(item.artworkUrl).toMatch(/^\/artwork\/[0-9a-f]{64}\.jpg$/)
    await app.close()
  })

  it('rejects duplicate add with 409', async () => {
    const { app, cookie } = await appWithToken()
    await app.inject({ method: 'POST', url: '/api/collection', ...auth(cookie), payload: { releaseId: 1001 } })
    const again = await app.inject({
      method: 'POST',
      url: '/api/collection',
      ...auth(cookie),
      payload: { releaseId: 1001 },
    })
    expect(again.statusCode).toBe(409)
    expect(again.json()).toEqual({ error: 'duplicate' })
    await app.close()
  })

  it('lists items with counts and filters (format, ripped, q)', async () => {
    const { app, cookie } = await appWithToken()
    await app.inject({ method: 'POST', url: '/api/collection', ...auth(cookie), payload: { releaseId: 1001 } })

    const all = await app.inject({ method: 'GET', url: '/api/collection', ...auth(cookie) })
    expect(all.json().counts).toEqual({ total: 1, ripped: 0, notRipped: 1 })
    expect(all.json().items).toHaveLength(1)

    const cd = await app.inject({ method: 'GET', url: '/api/collection?format=CD', ...auth(cookie) })
    expect(cd.json().items).toHaveLength(1)
    const vinyl = await app.inject({ method: 'GET', url: '/api/collection?format=Vinyl', ...auth(cookie) })
    expect(vinyl.json().items).toHaveLength(0)

    const ripped = await app.inject({ method: 'GET', url: '/api/collection?ripped=ripped', ...auth(cookie) })
    expect(ripped.json().items).toHaveLength(0)
    const notRipped = await app.inject({ method: 'GET', url: '/api/collection?ripped=not_ripped', ...auth(cookie) })
    expect(notRipped.json().items).toHaveLength(1)

    const q = await app.inject({ method: 'GET', url: '/api/collection?q=motio', ...auth(cookie) })
    expect(q.json().items).toHaveLength(1)
    const qMiss = await app.inject({ method: 'GET', url: '/api/collection?q=zzz', ...auth(cookie) })
    expect(qMiss.json().items).toHaveLength(0)
    await app.close()
  })

  it('detail, rip override, match link, re-match search, delete', async () => {
    const { app, cookie } = await appWithToken()
    const added = await app.inject({
      method: 'POST',
      url: '/api/collection',
      ...auth(cookie),
      payload: { releaseId: 1001 },
    })
    const id = added.json().id as number

    const detail = await app.inject({ method: 'GET', url: `/api/collection/${id}`, ...auth(cookie) })
    expect(detail.statusCode).toBe(200)
    expect(detail.json().tracklist).toEqual([
      { position: '1', title: 'Overture' },
      { position: '2', title: 'Theme de Yoyo' },
    ])

    // manual rip override
    const rip = await app.inject({
      method: 'PATCH',
      url: `/api/collection/${id}/rip`,
      ...auth(cookie),
      payload: { ripped: true },
    })
    expect(rip.json().ripOverride).toBe(true)
    expect(rip.json().ripStatus).toBe('ripped')
    const clear = await app.inject({
      method: 'PATCH',
      url: `/api/collection/${id}/rip`,
      ...auth(cookie),
      payload: { ripped: null },
    })
    expect(clear.json().ripOverride).toBeNull()
    expect(clear.json().ripStatus).toBe('not_ripped')

    // match link (simulates confirmed ambiguous match)
    await app.inject({
      method: 'POST',
      url: '/api/library/albums/test-seed',
      ...auth(cookie),
      payload: { albums: [{ subsonicId: 'a1', title: 'Motion (Remaster)', artist: 'The Cinematic Orchestra' }] },
    })
    const albums = await app.inject({ method: 'GET', url: '/api/library/albums?q=Motion', ...auth(cookie) })
    const albumId = albums.json().albums[0].id as number
    const linked = await app.inject({
      method: 'POST',
      url: `/api/collection/${id}/match`,
      ...auth(cookie),
      payload: { albumId },
    })
    expect(linked.json().ripStatus).toBe('ripped')

    // clear link
    const unlinked = await app.inject({
      method: 'POST',
      url: `/api/collection/${id}/match`,
      ...auth(cookie),
      payload: { albumId: null },
    })
    expect(unlinked.json().ripStatus).toBe('not_ripped')

    const del = await app.inject({ method: 'DELETE', url: `/api/collection/${id}`, ...auth(cookie) })
    expect(del.statusCode).toBe(200)
    const after = await app.inject({ method: 'GET', url: `/api/collection/${id}`, ...auth(cookie) })
    expect(after.statusCode).toBe(404)
    await app.close()
  })

  it('rejects match to another users album', async () => {
    const { app, cookie } = await appWithToken()
    const added = await app.inject({
      method: 'POST',
      url: '/api/collection',
      ...auth(cookie),
      payload: { releaseId: 1001 },
    })
    const id = added.json().id as number
    await app.inject({
      method: 'POST',
      url: '/api/library/albums/test-seed',
      ...auth(cookie),
      payload: { albums: [{ subsonicId: 'a1', title: 'X', artist: 'Y' }] },
    })
    // album id 99 does not exist for this user
    const res = await app.inject({
      method: 'POST',
      url: `/api/collection/${id}/match`,
      ...auth(cookie),
      payload: { albumId: 99 },
    })
    expect(res.statusCode).toBe(404)
    await app.close()
  })

  it('second user cannot see first users items', async () => {
    const { app, cookie } = await appWithToken()
    await app.inject({ method: 'POST', url: '/api/collection', ...auth(cookie), payload: { releaseId: 1001 } })
    await app.inject({
      method: 'POST',
      url: '/api/users',
      ...auth(cookie),
      payload: { username: 'bob', password: 'bobpass123' },
    })
    const bobLogin = await app.inject({
      method: 'POST',
      url: '/api/login',
      payload: { username: 'bob', password: 'bobpass123' },
    })
    const bobCookie = getCookie(bobLogin)
    const list = await app.inject({ method: 'GET', url: '/api/collection', ...auth(bobCookie) })
    expect(list.json().items).toHaveLength(0)
    await app.close()
  })

  it('detail includes matchedAlbum (null when unmatched)', async () => {
    const { app, cookie } = await appWithToken()
    const added = await app.inject({ method: 'POST', url: '/api/collection', ...auth(cookie), payload: { releaseId: 1001 } })
    const id = added.json().id as number
    const detail = await app.inject({ method: 'GET', url: `/api/collection/${id}`, ...auth(cookie) })
    expect(detail.json().matchedAlbum).toBeNull()

    await app.inject({
      method: 'POST',
      url: '/api/library/albums/test-seed',
      ...auth(cookie),
      payload: { albums: [{ subsonicId: 'alb-9', title: 'Motion', artist: 'The Cinematic Orchestra' }] },
    })
    const again = await app.inject({ method: 'GET', url: `/api/collection/${id}`, ...auth(cookie) })
    expect(again.json().matchedAlbum).toMatchObject({ subsonicId: 'alb-9', lastPlayedAt: null })
    await app.close()
  })

  // KNOWN-RED handoff: the loan route arrives in Task 5 — this test turns
  // green then. Everything else in this file must pass now.
  it('list supports onLoan=true/false filter', async () => {
    const { app, cookie } = await appWithToken()
    const added = await app.inject({ method: 'POST', url: '/api/collection', ...auth(cookie), payload: { releaseId: 1001 } })
    const id = added.json().id as number
    await app.inject({ method: 'POST', url: `/api/collection/${id}/loan`, ...auth(cookie), payload: { borrower: 'Bob' } })

    const all = await app.inject({ method: 'GET', url: '/api/collection', ...auth(cookie) })
    expect(all.json().items).toHaveLength(1)
    const onLoan = await app.inject({ method: 'GET', url: '/api/collection?onLoan=true', ...auth(cookie) })
    expect(onLoan.json().items).toHaveLength(1)
    const notOnLoan = await app.inject({ method: 'GET', url: '/api/collection?onLoan=false', ...auth(cookie) })
    expect(notOnLoan.json().items).toHaveLength(0)
    await app.close()
  })
})