import {z} from 'zod'

export type NotificationChannel = 'APP' | 'EMAIL' | 'SMS' | 'SLACK' | 'WEBHOOKS';

export type NotificationChannelSettingCreateRequired = {channel: NotificationChannel, config: {[key: string]: string}};

export type CreateApiNotificationChannelSettingsArgs = {body: NotificationChannelSettingCreateRequired};

export type CreateApiNotificationChannelSettingsOptions = {baseUrl?: string | undefined, NexlaSessionToken?: string | undefined, fetch?: typeof fetch | undefined};

export const notificationChannel = z.enum(["APP", "EMAIL", "SMS", "SLACK", "WEBHOOKS"]);

export const notificationChannelSetting = z.object({id: z.number().int().optional(), owner_id: z.number().int().optional(), org_id: z.number().int().optional(), channel: notificationChannel.optional(), config: z.record(z.string(), 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
};

/**
 * Create a Notification Channel Setting
 * 
 * POST /notification_channel_settings
 */
export const createApiNotificationChannelSettings = async (args: CreateApiNotificationChannelSettingsArgs, options?: CreateApiNotificationChannelSettingsOptions) => {
const {baseUrl = "https://dataops.nexla.io/nexla-api", fetch: fetchFn = fetch, NexlaSessionToken} = options ?? {}

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

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

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