import {z} from 'zod'

export type GetApiAccountsIdCustomersArgs = {id: string};

export type GetApiAccountsIdCustomersOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const page = z.object({nextPageKey: z.string().optional(), totalElements: z.number().int().optional()});

export const personName = z.object({first: z.string().optional(), middle: z.string().optional(), last: z.string().optional(), suffix: z.string().optional(), prefix: z.string().optional(), company: z.string().optional()});

export const customerType = z.enum(["BUSINESS", "INDIVIDUAL"]);

export const accountAddress = z.object({line1: z.string(), line2: z.string().optional(), line3: z.string().optional(), city: z.string(), region: z.string(), postalCode: z.string(), country: z.string()});

export const businessCustomer = z.object({name: z.string(), registeredId: z.string().optional()});

export const customer = z.object({customerId: z.string(), name: personName, taxId: z.string().optional(), type: customerType, addresses: z.array(accountAddress).optional(), businessCustomer: businessCustomer.optional()});

export const customerListResponse = z.object({page: page.optional(), customers: z.array(customer)});

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
};

/**
 * List account customers
 * 
 * GET /accounts/{id}/customers
 */
export const getApiAccountsIdCustomers = async (args: GetApiAccountsIdCustomersArgs, options?: GetApiAccountsIdCustomersOptions) => {
const {baseUrl = "https://api.givechariot.com/fdx/v6", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/accounts/${encodeURIComponent(String(args.id))}/customers${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(customerListResponse, await res.json())
};