import {z} from 'zod'

export type PostalAddress = {extended_address?: string | undefined, street_address?: string | undefined, address_locality?: string | undefined, address_region?: string | undefined, address_country?: string | undefined, postal_code?: string | undefined, first_name?: string | undefined, last_name?: string | undefined, phone_number?: string | undefined};

export type Coordinates = {latitude: number, longitude: number};

export type Location = {postal_address: PostalAddress, coordinates?: Coordinates | undefined} | {coordinates: Coordinates, postal_address?: PostalAddress | undefined};

export type DeliveryRequest = {id: string, nonce: string, pickup_location: Location, dropoff_location: Location, pickup_time: string, dropoff_time: string, pickup_instructions?: string | undefined, dropoff_instructions?: string | undefined};

export type CreateApiRequestsArgs = {body: DeliveryRequest};

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

export const postalAddress = z.object({extended_address: z.string().optional(), street_address: z.string().optional(), address_locality: z.string().optional(), address_region: z.string().optional(), address_country: z.string().optional(), postal_code: z.string().optional(), first_name: z.string().optional(), last_name: z.string().optional(), phone_number: z.string().optional()});

export const coordinates = z.object({latitude: z.number().gte(-90).lte(90), longitude: z.number().gte(-180).lte(180)});

export const location = z.union([z.object({postal_address: postalAddress, coordinates: coordinates.optional()}), z.object({coordinates: coordinates, postal_address: postalAddress.optional()})]);

export const deliveryRequest = z.object({id: z.string(), nonce: z.string(), pickup_location: location, dropoff_location: location, pickup_time: z.string(), dropoff_time: z.string(), pickup_instructions: z.string().optional(), dropoff_instructions: z.string().optional()});

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 delivery request
 * 
 * POST /requests
 */
export const createApiRequests = async (args: CreateApiRequestsArgs, options?: CreateApiRequestsOptions) => {
const {baseUrl = "http://localhost:8000", fetch: fetchFn = fetch} = options ?? {}

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

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