import {z} from 'zod'

export type ActivityStatus = 'SUCCESS' | 'FAILURE' | 'DECLINED' | 'REDO' | 'SUBSTATE' | 'NOTIFY' | 'PENDING' | 'SUBTASK';

export type ActivityOutput = {sub_state?: string | undefined, memo?: string | undefined, info?: Record<string, never> | undefined};

export type ActivityError = {type?: string | undefined, code?: string | undefined, reason?: string | undefined};

export type PaymentActionRequest = {unique_reference_number: string, status: ActivityStatus, notification_type: string, output?: ActivityOutput | undefined, error?: Array<ActivityError> | undefined};

export type CreateApiV4OrchestrationPaymentActionArgs = {body: PaymentActionRequest};

export type CreateApiV4OrchestrationPaymentActionOptions = {baseUrl: string, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const paymentActionResponse = z.object({unique_reference_number: 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
};

/**
 * Post action to orchestration payment
 * 
 * POST /v4/orchestration/payment/action
 */
export const createApiV4OrchestrationPaymentAction = async (args: CreateApiV4OrchestrationPaymentActionArgs, options: CreateApiV4OrchestrationPaymentActionOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/v4/orchestration/payment/action${query.size > 0 ? `?${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(paymentActionResponse, await res.json())
};