import {z} from 'zod'

export type GetApiBinSearchArgs = {search: string};

export type GetApiBinSearchOptions = {baseUrl?: string | undefined, sec0?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const getApiBinSearchResponse = z.object({bank: z.object({address: z.string().optional(), foreignBank: z.string().optional(), name: z.string().optional(), phone: z.string().optional(), www: z.string().optional()}).optional(), bin: z.string().optional(), brand: z.string().optional(), country: z.object({abbreviation2: z.string().optional(), abbreviation3: z.string().optional(), iso: z.string().optional(), name: z.string().optional()}).optional(), created: z.string().optional(), id: z.string().optional(), level: z.string().optional(), modified: z.string().optional(), runId: z.string().optional(), source: z.string().optional(), type: 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
};

/**
 * Get BIN (Bank Identification Number) Information
 * 
 * GET /bin/?search=
 */
export const getApiBinSearch = async (args: GetApiBinSearchArgs, options?: GetApiBinSearchOptions) => {
const {baseUrl = "https://sandbox.api.mxmerchant.com/checkout", fetch: fetchFn = fetch, sec0} = options ?? {}

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

if (args.search != null) query.append("search", String(args.search))
if (sec0 !== undefined) headers.set('authorization', `Basic ${btoa(`${sec0.username}:${sec0.password}`)}`)

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