import {z} from 'zod'

export type RippleNetNodeRequestForPaymentRequest = {sender_address: string, receiver_address: string, amount: number, currency: string, quote_type: 'SENDER_AMOUNT' | 'RECEIVER_AMOUNT' | 'SENDER_INSTITUTION_AMOUNT' | 'RECEIVER_INSTITUTION_AMOUNT', end_to_end_id?: string | undefined, user_info?: Record<string, never> | undefined};

export type CreateApiRequestForPaymentArgs = {body: RippleNetNodeRequestForPaymentRequest};

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

export const userInfoEntry = z.object({json: z.object({}), created_at: z.string(), subState: z.string().optional()});

export const rippleNetNodeRequestForPaymentUserInfo = z.object({node_address: z.string(), requested: z.array(userInfoEntry).optional(), accepted: z.array(userInfoEntry).optional(), failed: z.array(userInfoEntry).optional()});

export const rippleNetNodeRequestForPayment = z.object({request_for_payment_id: z.string(), request_for_payment_state: z.enum(["REQUESTED", "ACCEPTED", "FAILED"]), sender_address: z.string(), receiver_address: z.string(), amount: z.number(), currency: z.string(), quote_type: z.enum(["SENDER_AMOUNT", "RECEIVER_AMOUNT", "SENDER_INSTITUTION_AMOUNT", "RECEIVER_INSTITUTION_AMOUNT"]), end_to_end_id: z.string().optional(), user_info: z.array(rippleNetNodeRequestForPaymentUserInfo), created_at: z.string(), payment_id: 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
};

/**
 * Send request for payment
 * 
 * POST /request_for_payment
 */
export const createApiRequestForPayment = async (args: CreateApiRequestForPaymentArgs, options: CreateApiRequestForPaymentOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (Bearer !== undefined) headers.set("Authorization", Bearer)

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