import { beforeEach, describe, expect, it, vi } from 'vitest'
import { NextResponse } from 'next/server'
import {
  createMockRequest,
  createQueuedMockSupabase,
  parseJsonResponse,
} from '@/tests/helpers'

const { supabase, enqueue, reset } = createQueuedMockSupabase()
const requireAuthMock = vi.fn()

vi.mock('@/lib/auth/require-auth', () => ({
  requireAuth: (...args: unknown[]) => requireAuthMock(...args),
}))

vi.mock('@/lib/company/context', () => ({
  getActiveCompanyId: vi.fn().mockResolvedValue('company-1'),
}))

vi.mock('@/lib/auth/require-write', () => ({
  requireWritePermission: vi.fn().mockResolvedValue({ ok: true }),
}))

vi.mock('@/lib/init', () => ({ ensureInitialized: vi.fn() }))

import { GET } from '../route'

describe('GET /api/pending-operations', () => {
  beforeEach(() => {
    vi.clearAllMocks()
    reset()
    requireAuthMock.mockResolvedValue({ user: { id: 'user-1' }, supabase })
  })

  it('returns 401 when not authenticated', async () => {
    requireAuthMock.mockResolvedValue({
      error: NextResponse.json({ error: 'Unauthorized' }, { status: 401 }),
    })

    const response = await GET(
      createMockRequest('/api/pending-operations'),
      { params: Promise.resolve({}) },
    )

    expect(response.status).toBe(401)
  })

  it('returns 400 for an invalid status', async () => {
    const response = await GET(
      createMockRequest('/api/pending-operations', {
        searchParams: { status: 'unknown' },
      }),
      { params: Promise.resolve({}) },
    )

    expect(response.status).toBe(400)
    expect(supabase.from).not.toHaveBeenCalled()
  })

  it('returns the active list and all tab counts in one response', async () => {
    enqueue({ data: [{ id: 'operation-1', status: 'pending' }], count: 12 })
    enqueue({ count: 3 })
    enqueue({ count: 4 })

    const response = await GET(
      createMockRequest('/api/pending-operations'),
      { params: Promise.resolve({}) },
    )
    const { status, body } = await parseJsonResponse<{
      data: Array<{ id: string }>
      count: number
      counts: { pending: number; committed: number; rejected: number }
    }>(response)

    expect(status).toBe(200)
    expect(body.data).toEqual([{ id: 'operation-1', status: 'pending' }])
    expect(body.count).toBe(12)
    expect(body.counts).toEqual({ pending: 12, committed: 3, rejected: 4 })
    expect(supabase.from).toHaveBeenCalledTimes(3)
  })

  it('returns 500 when the list query fails', async () => {
    enqueue({ error: { message: 'database unavailable' } })
    enqueue({ count: 0 })
    enqueue({ count: 0 })

    const response = await GET(
      createMockRequest('/api/pending-operations'),
      { params: Promise.resolve({}) },
    )

    expect(response.status).toBe(500)
  })
})