import {z} from 'zod'

export type CheckoutUpdateRequest = {customer?: ({firstName?: (string | null) | undefined, lastName?: (string | null) | undefined, phoneNumber?: (string | null) | undefined, dateOfBirth?: (string | null) | undefined} | null) | undefined, fulfilment?: ({time?: ({asap?: boolean | undefined, scheduled?: ({from: string, to: string} | null) | undefined} | null) | undefined, location?: ({address?: ({lines?: (Array<string> | null) | undefined, locality?: (string | null) | undefined, administrativeArea?: (string | null) | undefined, postalCode?: (string | null) | undefined} | null) | undefined, geolocation?: ({latitude: number, longitude: number} | null) | undefined} | null) | undefined} | null) | undefined, notes?: (Array<{type: 'delivery', note: string}> | null) | undefined};

export type PatchApiCheckoutTenantCheckoutIdArgs = {tenant: string, checkoutId: string, 'User-Agent': string, body: CheckoutUpdateRequest};

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

export const checkoutIssue = z.object({code: z.enum(["RESTAURANT_NOT_TAKING_ORDERS", "SERVICE_TYPE_UNAVAILABLE", "ITEMS_UNORDERABLE", "ADDITIONAL_ITEMS_REQUIRED", "MINIMUM_ORDER_VALUE_NOT_MET", "FULFILMENT_TIME_UNAVAILABLE", "LOCATION_UNDELIVERABLE", "AGE_VERIFICATION_FAILED", "FIRST_NAME_REQUIRED", "PHONE_NUMBER_REQUIRED", "DATE_OF_BIRTH_REQUIRED", "FULFILMENT_TIME_REQUIRED", "ADDRESS_LINES_REQUIRED", "LOCALITY_REQUIRED", "ADMINISTRATIVE_AREA_REQUIRED", "POSTAL_CODE_REQUIRED", "GEOLOCATION_REQUIRED"])});

export const checkoutUpdateResponse = z.object({isFulfillable: z.boolean(), issues: z.array(checkoutIssue)});

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
};

/**
 * Update Checkout
 * 
 * PATCH /checkout/{tenant}/{checkoutId}
 */
export const patchApiCheckoutTenantCheckoutId = async (args: PatchApiCheckoutTenantCheckoutIdArgs, options?: PatchApiCheckoutTenantCheckoutIdOptions) => {
const {baseUrl = "https://uk.api.just-eat.io", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (args['User-Agent'] != null) headers.set("User-Agent", String(args['User-Agent']))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

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

const res = await fetchFn(url, {method: "PATCH", 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(checkoutUpdateResponse, await res.json())
};