import {z} from 'zod'

export type CreateApiContactsBulkArgs = {body: {action: 'tag' | 'untag' | 'add_to_list' | 'remove_from_list' | 'unsubscribe' | 'delete', contact_ids: Array<string>, filter?: ({list_id?: string | undefined, status?: ('subscribed' | 'pending' | 'unsubscribed' | 'bounced' | 'complained' | 'dormant') | undefined, query?: string | undefined, tag?: string | undefined, source?: ('form' | 'api' | 'import') | undefined, after?: string | undefined, before?: string | undefined, segment_id?: string | undefined}) | undefined, tags?: Array<string> | undefined, list_id?: string | undefined, confirm_count?: number | undefined} | {action: 'tag' | 'untag' | 'add_to_list' | 'remove_from_list' | 'unsubscribe' | 'delete', contact_ids?: Array<string> | undefined, filter: {list_id?: string | undefined, status?: ('subscribed' | 'pending' | 'unsubscribed' | 'bounced' | 'complained' | 'dormant') | undefined, query?: string | undefined, tag?: string | undefined, source?: ('form' | 'api' | 'import') | undefined, after?: string | undefined, before?: string | undefined, segment_id?: string | undefined}, tags?: Array<string> | undefined, list_id?: string | undefined, confirm_count?: number | undefined}};

export type CreateApiContactsBulkOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiContactsBulkResponse = z.object({ok: z.boolean(), action: z.string(), count: z.number().int()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Tag, move, unsubscribe, or delete many contacts at once
 * 
 * POST /contacts/bulk
 */
export const createApiContactsBulk = async (args: CreateApiContactsBulkArgs, options?: CreateApiContactsBulkOptions) => {
const {baseUrl = "https://sendhq.cc/api/v1", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/contacts/bulk${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiContactsBulkResponse, await res.json())
};