import {z} from 'zod'

export type GetApiTransactionsTransactionAnswersArgs = {transaction: number, fields?: ('answer' | 'answerable_id' | 'answerable_type' | 'campaign_id' | 'created_at' | 'id' | 'member_id' | 'question_id' | 'updated_at') | undefined, page?: number | undefined, per_page?: number | undefined};

export type GetApiTransactionsTransactionAnswersOptions = {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 getApiTransactionsTransactionAnswersResponse = z.object({current_page: z.number().int().optional(), data: z.array(z.object({answer: z.union([z.string().max(255), z.boolean()]).optional(), answerable_id: z.number().int().nullable().optional(), answerable_type: z.enum(["fundraising_team", "fundraising_page", "transaction", "campaign_registration"]).nullable().optional(), campaign_id: z.number().int().optional(), created_at: z.string().optional(), id: z.number().int().optional(), member_id: z.number().int().optional(), question_id: z.number().int().optional(), updated_at: z.string().nullable().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
};

/**
 * listTransactionAnswers
 * 
 * GET /transactions/{transaction}/answers
 * 
 * Also accepts auth: OAuth2Member
 */
export const getApiTransactionsTransactionAnswers = async (args: GetApiTransactionsTransactionAnswersArgs, options?: GetApiTransactionsTransactionAnswersOptions) => {
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.fields != null) query.append("fields", String(args.fields))
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 = `${baseUrl.replace(/\/+$/, '')}/transactions/${encodeURIComponent(String(args.transaction))}/answers${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(getApiTransactionsTransactionAnswersResponse, await res.json())
};