import {z} from 'zod'

export type CreateApiGreendotArgs = {body: {account_id: string, channel_type: string, device_type: string, email_address: string, ip_address: string, latitude: string, longitude: string, retailer_key: string}};

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

export const createApiGreendotResponse = z.object({account_id: z.string().optional(), amount: z.string().optional(), authorized_at: z.string().optional(), available_at: z.string().optional(), bank_id: z.string().optional(), barcode_number: z.string().optional(), channel_type: z.string().optional(), completed_at: z.string().optional(), device_type: z.string().optional(), email_address: z.string().optional(), error: z.string().optional(), expired_at: z.string().optional(), expires_at: z.string().optional(), id: z.string().optional(), ip_address: z.string().optional(), latitude: z.string().optional(), longitude: z.string().optional(), metadata: z.object({}).optional(), retailer_key: z.string().optional(), status: z.string().optional(), voided_at: 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 a Green Dot Cash Load
 * 
 * POST /greendot
 * 
 * Also accepts auth: apiKey
 */
export const createApiGreendot = async (args: CreateApiGreendotArgs, options?: CreateApiGreendotOptions) => {
const {baseUrl = "https://api.treasuryprime.com", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

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