import {z} from 'zod'

export type GetApiCheckoutTenantCheckoutIdArgs = {tenant: string, checkoutId: string, 'User-Agent': string};

export type GetApiCheckoutTenantCheckoutIdOptions = {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 checkoutGetResponse = z.object({restaurant: z.object({id: z.string(), availabilityId: z.string()}), serviceType: z.enum(["delivery", "collection"]), customer: z.object({firstName: z.string().min(1).max(100).nullable().optional(), lastName: z.string().max(100).nullable().optional(), phoneNumber: z.string().min(3).max(16).nullable().optional()}), fulfilment: z.object({time: z.object({asap: z.boolean(), scheduled: z.object({from: z.string(), to: z.string()}).nullable().optional()}).nullable().optional(), location: z.object({address: z.object({lines: z.array(z.string().min(1).max(100)).optional(), locality: z.string().min(1).max(50).nullable().optional(), administrativeArea: z.string().min(1).max(50).nullable().optional(), postalCode: z.string().min(1).max(50).nullable().optional()}).nullable().optional(), geolocation: z.object({latitude: z.number(), longitude: z.number()}).nullable().optional()}).nullable().optional()}), 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
};

/**
 * Get Checkout
 * 
 * GET /checkout/{tenant}/{checkoutId}
 */
export const getApiCheckoutTenantCheckoutId = async (args: GetApiCheckoutTenantCheckoutIdArgs, options?: GetApiCheckoutTenantCheckoutIdOptions) => {
const {baseUrl = "https://uk.api.just-eat.io", fetch: fetchFn = fetch, Bearer} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
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: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(checkoutGetResponse, await res.json())
};