import {z} from 'zod'

export type GetApiPlatformsArgs = {include_esps?: boolean | undefined, type?: ('payroll' | 'time_and_attendance' | 'tax' | 'merchant') | undefined, cursor?: string | undefined, limit?: number | undefined, last_updated?: string | undefined, 'Pinwheel-Version': '2025-07-08' | '2023-11-22' | '2023-07-18' | '2023-04-18' | '2022-09-09' | '2022-06-22' | '2022-03-02'};

export type GetApiPlatformsOptions = {baseUrl?: string | undefined, apiSecret?: string | undefined, fetch?: typeof fetch | undefined};

export const paginationMeta = z.object({count: z.number().int().optional(), next_cursor: z.string().optional()});

export const platformObjResponse = z.record(z.string(), z.unknown());

export const getApiPlatformsResponse = z.object({meta: paginationMeta, data: z.array(platformObjResponse)});

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
};

/**
 * List Platforms
 * 
 * GET /platforms
 */
export const getApiPlatforms = async (args: GetApiPlatformsArgs, options?: GetApiPlatformsOptions) => {
const {baseUrl = "https://api.getpinwheel.com/v1", fetch: fetchFn = fetch, apiSecret} = options ?? {}

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

if (args.include_esps != null) query.append("include_esps", String(args.include_esps))
if (args.type != null) query.append("type", String(args.type))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.last_updated != null) query.append("last_updated", String(args.last_updated))
if (args['Pinwheel-Version'] != null) headers.set("Pinwheel-Version", String(args['Pinwheel-Version']))
if (apiSecret !== undefined) headers.set("X-API-SECRET", apiSecret)

const url = `${baseUrl.replace(/\/+$/, '')}/platforms${query.size > 0 ? `?${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(getApiPlatformsResponse, await res.json())
};