import {z} from 'zod'

export type GetApiV1TransactionsTransactionIdEmailNotificationsArgs = {transaction_id: unknown};

export type GetApiV1TransactionsTransactionIdEmailNotificationsOptions = {baseUrl: string, xApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const edubankTransactionEmailNotification = z.object({transaction_id: z.string(), email_subject: z.string(), email_from: z.string(), email_to: z.string(), email_reply_to: z.string(), category: z.enum(["overdue", "billing", "payment", "unsubscribe"]), created_at: z.string(), sent_at: z.string().optional(), delivered: z.boolean(), delivered_at: z.string().optional(), open: z.boolean(), open_at: z.string().optional(), rejected: z.boolean(), rejected_reason: 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
};

/**
 * Returns all email notifications sent for the respective transaction
 * 
 * GET /v1/transactions/{transaction_id}/email_notifications
 * 
 * Also accepts auth: authorization
 */
export const getApiV1TransactionsTransactionIdEmailNotifications = async (args: GetApiV1TransactionsTransactionIdEmailNotificationsArgs, options: GetApiV1TransactionsTransactionIdEmailNotificationsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, xApiKey} = options ?? {}

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

if (xApiKey !== undefined) headers.set("x-api-key", xApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/transactions/${encodeURIComponent(String(args.transaction_id))}/email_notifications${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(edubankTransactionEmailNotification, await res.json())
};