import {z} from 'zod'

export type GetApiNotificationChannelsPublicIdArgs = {publicId: string};

export type GetApiNotificationChannelsPublicIdOptions = {baseUrl?: string | undefined, bearerApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const notificationChannel = z.object({publicId: z.string(), type: z.enum(["slack", "discord", "telegram", "web_push"]), name: z.string(), domainId: z.number().int().nullable().optional(), mailboxId: z.number().int().nullable().optional(), events: z.array(z.string()), active: z.boolean(), configSummary: z.object({}).optional(), consecutiveFailures: z.number().int().optional(), disabledAt: z.string().nullable().optional(), disabledReason: z.string().nullable().optional(), lastUsedAt: z.string().nullable().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const getApiNotificationChannelsPublicIdResponse = z.object({channel: notificationChannel});

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
};

/**
 * Get a channel
 * 
 * GET /notification-channels/{publicId}
 * 
 * Also accepts auth: bearerOAuth
 */
export const getApiNotificationChannelsPublicId = async (args: GetApiNotificationChannelsPublicIdArgs, options?: GetApiNotificationChannelsPublicIdOptions) => {
const {baseUrl = "https://api.poststack.dev", fetch: fetchFn = fetch, bearerApiKey} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/notification-channels/${encodeURIComponent(String(args.publicId))}${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(getApiNotificationChannelsPublicIdResponse, await res.json())
};