import {z} from 'zod'

export type CreateApiV1QueueAvailableTimesArgs = {availability_by_time_slots?: boolean | undefined, skip_catalog_validation?: boolean | undefined, skip_kiosk_validation?: boolean | undefined, first_available_times?: string | undefined, body: {center_id?: string | undefined, consider_online_hours?: boolean | undefined, services?: Record<string, never> | undefined}};

export type CreateApiV1QueueAvailableTimesOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV1QueueAvailableTimesResponse = z.union([z.object({available_times: z.array(z.object({start_time: z.string().optional()})).optional(), first_availble_times: z.unknown(), available_times_by_guest: z.array(z.object({start_time: z.string().optional()})).optional(), error: z.unknown()}), z.object({available_times: z.array(z.object({employee: z.object({id: z.string().optional(), display_name: z.string().optional(), gender: z.string().optional()}).optional(), start_time: z.string().optional()})).optional(), first_availble_times: z.object({any: z.object({employee: z.object({id: z.string().optional(), display_name: z.string().optional(), gender: z.string().optional()}).optional(), start_time: z.string().optional()}).optional(), female: z.object({employee: z.object({id: z.string().optional(), display_name: z.string().optional(), gender: z.string().optional()}).optional(), start_time: z.string().optional()}).optional(), male: z.object({employee: z.object({id: z.string().optional(), display_name: z.string().optional(), gender: z.string().optional()}).optional(), start_time: z.string().optional()}).optional()}).optional(), available_times_by_guest: z.unknown(), error: z.unknown()}), z.object({available_times: z.array(z.object({employee: z.object({id: z.string().optional(), display_name: z.string().optional(), gender: z.string().optional()}).optional(), start_time: z.string().optional()})).optional(), first_availble_times: z.unknown(), available_times_by_guest: z.unknown(), error: z.unknown()}), z.object({available_times: z.array(z.object({employee: z.object({id: z.string().optional(), display_name: z.string().optional(), gender: z.string().optional()}).optional(), start_time: z.string().optional(), wait_time_in_min: z.string().optional()})).optional(), first_availble_times: z.unknown(), available_times_by_guest: z.unknown(), error: z.unknown()})]);

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
};

/**
 * Fetch wait times of available stylists for a selected service
 * 
 * POST /v1/queue/available_times
 */
export const createApiV1QueueAvailableTimes = async (args: CreateApiV1QueueAvailableTimesArgs, options?: CreateApiV1QueueAvailableTimesOptions) => {
const {baseUrl = "https://api.zenoti.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.availability_by_time_slots != null) query.append("availability_by_time_slots", String(args.availability_by_time_slots))
if (args.skip_catalog_validation != null) query.append("skip_catalog_validation", String(args.skip_catalog_validation))
if (args.skip_kiosk_validation != null) query.append("skip_kiosk_validation", String(args.skip_kiosk_validation))
if (args.first_available_times != null) query.append("first_available_times", String(args.first_available_times))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/queue/available_times${query.size > 0 ? `?${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(createApiV1QueueAvailableTimesResponse, await res.json())
};