import {z} from 'zod'

export type GetApiCampaignsCampaignChannelsArgs = {campaign: number, page?: number | undefined, per_page?: number | undefined};

export type GetApiCampaignsCampaignChannelsOptions = {baseUrl?: string | undefined, OAuth2Application?: string | undefined, fetch?: typeof fetch | undefined};

export const paginationLink = z.object({label: z.string().optional(), url: z.string().nullable().optional(), active: z.boolean().optional()});

export const getApiCampaignsCampaignChannelsResponse = z.object({current_page: z.number().int().optional(), data: z.array(z.object({campaign_id: z.number().int().optional(), channel_name: z.enum(["DoubletheDonation", "Facebook", "Instagram", "MetaCapi", "MetaFrapi", "Zapier"]), created_at: z.string().optional(), id: z.number().int().optional(), status: z.boolean(), metadata: z.union([z.object({employer_match_on_donation_page: z.boolean().optional(), employer_match_on_thankyou_page: z.boolean().optional(), employer_match_preselect: z.boolean().optional()}), z.object({progress_metrics: z.boolean().optional(), external_fundraiser_id: z.string().optional()})]).nullable().optional(), processing: z.boolean().optional(), updated_at: z.string().optional()})).optional(), first_page_url: z.string().nullable().optional(), from: z.number().int().nullable().optional(), last_page: z.number().int().optional(), last_page_url: z.string().nullable().optional(), next_page_url: z.string().nullable().optional(), path: z.string().nullable().optional(), per_page: z.number().int().optional(), prev_page_url: z.string().nullable().optional(), links: z.array(paginationLink).optional(), to: z.number().int().nullable().optional(), total: z.number().int().optional()});

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
};

/**
 * listCampaignChannels
 * 
 * GET /campaigns/{campaign}/channels
 * 
 * Also accepts auth: OAuth2Member
 */
export const getApiCampaignsCampaignChannels = async (args: GetApiCampaignsCampaignChannelsArgs, options?: GetApiCampaignsCampaignChannelsOptions) => {
const {baseUrl = "https://pro.gofundme.com/api/2.0", fetch: fetchFn = fetch, OAuth2Application} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (OAuth2Application !== undefined) headers.set('authorization', `Bearer ${OAuth2Application}`)

const url = `${baseUrl.replace(/\/+$/, '')}/campaigns/${encodeURIComponent(String(args.campaign))}/channels${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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