import { apiRequest } from '../lib/api'
import { getActiveBusinessId } from '../lib/businessContext'
import type {
  EntityTranslation,
  EntityTranslationsResponse,
  TranslationEntityType,
  TranslationFields,
  TranslationLocale,
} from '../types/translation'

function businessPath(entityType: TranslationEntityType, entityId: string, suffix = '') {
  const businessId = getActiveBusinessId()
  if (!businessId) {
    throw new Error('No active business selected. Please sign in again.')
  }
  const resource = entityType === 'product' ? 'products' : 'categories'
  return `/businesses/${businessId}/${resource}/${entityId}/translations${suffix}`
}

export async function listEntityTranslations(
  entityType: TranslationEntityType,
  entityId: string,
  signal?: AbortSignal,
) {
  return apiRequest<EntityTranslationsResponse>(businessPath(entityType, entityId), {
    auth: true,
    signal,
  })
}

export async function translateEntityWithAi(
  entityType: TranslationEntityType,
  entityId: string,
  locale: TranslationLocale,
) {
  return apiRequest<{ message: string; translation: EntityTranslation }>(
    businessPath(entityType, entityId, `/${locale}/ai`),
    {
      method: 'POST',
      auth: true,
      body: {},
    },
  )
}

export async function saveEntityTranslation(
  entityType: TranslationEntityType,
  entityId: string,
  locale: TranslationLocale,
  fields: TranslationFields,
) {
  return apiRequest<{ message: string; translation: EntityTranslation }>(
    businessPath(entityType, entityId, `/${locale}`),
    {
      method: 'PUT',
      auth: true,
      body: { fields },
    },
  )
}

export async function translateAllProductCategories(locale: TranslationLocale) {
  const businessId = getActiveBusinessId()
  if (!businessId) {
    throw new Error('No active business selected. Please sign in again.')
  }
  return apiRequest<{
    message: string
    locale: TranslationLocale
    translated: number
    skipped: number
    failed: number
  }>(`/businesses/${businessId}/categories/translations/ai-all`, {
    method: 'POST',
    auth: true,
    body: { locale },
  })
}

export async function translateAllProducts(locale: TranslationLocale) {
  const businessId = getActiveBusinessId()
  if (!businessId) {
    throw new Error('No active business selected. Please sign in again.')
  }
  return apiRequest<{
    message: string
    locale: TranslationLocale
    translated: number
    skipped: number
    failed: number
  }>(`/businesses/${businessId}/products/translations/ai-all`, {
    method: 'POST',
    auth: true,
    body: { locale },
  })
}