import {z} from 'zod'

export type SegmentTypes = 'BroadcastMessage';

export type MediaPath = {fileName?: string | undefined, extension?: string | undefined, fileSaveId?: string | undefined, mimetype?: string | undefined, url?: string | undefined};

export type MediaDetails = {mediaPath?: (Array<MediaPath> | null) | undefined};

export type FallbackMessage = {from?: (string | null) | undefined, message?: string | undefined, channelType?: string | undefined};

export type SegmentMessageRequest = {from?: string | undefined, message: string, templateId?: (string | null) | undefined, type?: SegmentTypes | undefined, mediaDetails?: (MediaDetails | null) | undefined, referenceId?: (string | null) | undefined, subscriberNumbers?: (Array<string> | null) | undefined, segmentSubscriberFileUrl?: (string | null) | undefined, listIds?: (Array<{ListId: string}> | null) | undefined, channelType?: ('SMS' | 'MMS' | 'WHATSAPP') | undefined, fallbackMessage?: (FallbackMessage | null) | undefined};

export type CreateApiOrgunitOrgunitIdGroupsGroupIdMessagesSegmentArgs = {orgunitId: string, groupId: string, body: SegmentMessageRequest};

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

export const segmentMessageResponse = z.object({referenceId: z.string().nullable().optional()});

export const segmentMessageResponseExternalApiResponseNew = z.object({data: segmentMessageResponse.optional(), appCode: z.string().nullable().optional(), message: z.string().nullable().optional(), isError: z.boolean().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
};

/**
 * Send SMS, MMS or WhatsApp to a Segment
 * 
 * POST /orgunit/{orgunitId}/groups/{groupId}/messages/segment
 */
export const createApiOrgunitOrgunitIdGroupsGroupIdMessagesSegment = async (args: CreateApiOrgunitOrgunitIdGroupsGroupIdMessagesSegmentArgs, options: CreateApiOrgunitOrgunitIdGroupsGroupIdMessagesSegmentOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/orgunit/${encodeURIComponent(String(args.orgunitId))}/groups/${encodeURIComponent(String(args.groupId))}/messages/segment${query.size > 0 ? `?${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(segmentMessageResponseExternalApiResponseNew, await res.json())
};