import {z} from 'zod'

export type EventName = string;

export type EventLocation = string;

export type EventDescription = string;

export type Date = string;

export type EventDates = Array<Date>;

export type EventPrice = number;

export type CreateSpecialEventRequest = {name: EventName, location: EventLocation, eventDescription: EventDescription, dates: EventDates, price: EventPrice};

export type CreateApiSpecialEventsArgs = {body: CreateSpecialEventRequest};

export type CreateApiSpecialEventsOptions = {baseUrl?: string | undefined, MuseumPlaceholderAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const eventId = z.string();

export const eventName = z.string();

export const eventLocation = z.string();

export const eventDescription = z.string();

export const date = z.string();

export const eventDates = z.array(date);

export const eventPrice = z.number();

export const specialEventResponse = z.object({eventId: eventId, name: eventName, location: eventLocation, eventDescription: eventDescription, dates: eventDates, price: eventPrice});

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
};

/**
 * Create special events
 * 
 * POST /special-events
 */
export const createApiSpecialEvents = async (args: CreateApiSpecialEventsArgs, options?: CreateApiSpecialEventsOptions) => {
const {baseUrl = "https://api.fake-museum-example.com/v1", fetch: fetchFn = fetch, MuseumPlaceholderAuth} = options ?? {}

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

if (MuseumPlaceholderAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${MuseumPlaceholderAuth.username}:${MuseumPlaceholderAuth.password}`)}`)

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