import {z} from 'zod'

export type EmailWebhookEvent = 'email.scheduled' | 'email.sandbox' | 'email.queued' | 'email.sending' | 'email.sent' | 'email.delivered' | 'email.deferred' | 'email.bounced' | 'email.failed' | 'email.complained' | 'email.opened' | 'email.clicked' | 'email.unsubscribed' | 'email.received' | 'email.cancelled' | 'email.daily_limit_exceeded' | 'email_domain.created' | 'email_domain.verified' | 'email_domain.degraded' | 'email_domain.suspended' | 'email_domain.deleted' | 'email_domain.dkim_rotated';

export type CreateEmailWebhookRequest = {url: string, events: Array<EmailWebhookEvent>};

export type CreateApiEmailDomainsDomainIdWebhooksArgs = {domain_id: string, body: CreateEmailWebhookRequest};

export type CreateApiEmailDomainsDomainIdWebhooksOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const emailWebhookEvent = z.enum(["email.scheduled", "email.sandbox", "email.queued", "email.sending", "email.sent", "email.delivered", "email.deferred", "email.bounced", "email.failed", "email.complained", "email.opened", "email.clicked", "email.unsubscribed", "email.received", "email.cancelled", "email.daily_limit_exceeded", "email_domain.created", "email_domain.verified", "email_domain.degraded", "email_domain.suspended", "email_domain.deleted", "email_domain.dkim_rotated"]);

export const emailWebhook = z.object({id: z.string(), record_type: z.literal("email_webhook"), url: z.string(), events: z.array(emailWebhookEvent), domain_id: z.string(), created_at: z.string(), updated_at: z.string()});

export const emailWebhookResponse = z.object({data: emailWebhook});

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 webhook for an email domain
 * 
 * POST /email_domains/{domain_id}/webhooks
 */
export const createApiEmailDomainsDomainIdWebhooks = async (args: CreateApiEmailDomainsDomainIdWebhooksArgs, options?: CreateApiEmailDomainsDomainIdWebhooksOptions) => {
const {baseUrl = "https://api.telnyx.com/v2", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/email_domains/${encodeURIComponent(String(args.domain_id))}/webhooks${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(emailWebhookResponse, await res.json())
};