import {z} from 'zod'

export type StreamCodec = 'PCMU' | 'PCMA' | 'G722' | 'OPUS' | 'AMR-WB' | 'L16' | 'default';

export type StreamBidirectionalMode = 'mp3' | 'rtp';

export type StreamBidirectionalCodec = 'PCMU' | 'PCMA' | 'G722' | 'OPUS' | 'AMR-WB' | 'L16';

export type StreamBidirectionalTargetLegs = 'both' | 'self' | 'opposite';

export type StreamBidirectionalSamplingRate = 8000 | 16000 | 22050 | 24000 | 48000;

export type DialogflowConfig = {analyze_sentiment?: boolean | undefined, partial_automated_agent_reply?: boolean | undefined};

export type StartStreamingRequest = {stream_url?: string | undefined, stream_track?: ('inbound_track' | 'outbound_track' | 'both_tracks') | undefined, stream_codec?: StreamCodec | undefined, stream_bidirectional_mode?: StreamBidirectionalMode | undefined, stream_bidirectional_codec?: StreamBidirectionalCodec | undefined, stream_bidirectional_target_legs?: StreamBidirectionalTargetLegs | undefined, stream_bidirectional_sampling_rate?: StreamBidirectionalSamplingRate | undefined, enable_dialogflow?: boolean | undefined, dialogflow_config?: DialogflowConfig | undefined, client_state?: string | undefined, command_id?: string | undefined, custom_parameters?: (Array<{name?: string | undefined, value?: string | undefined}>) | undefined, stream_auth_token?: string | undefined};

export type CreateApiCallsCallControlIdActionsStreamingStartArgs = {call_control_id: string, body: StartStreamingRequest};

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

export const callControlCommandResult = z.object({result: z.string().optional()});

export const createApiCallsCallControlIdActionsStreamingStartResponse = z.object({data: callControlCommandResult.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
};

/**
 * Streaming start
 * 
 * POST /calls/{call_control_id}/actions/streaming_start
 */
export const createApiCallsCallControlIdActionsStreamingStart = async (args: CreateApiCallsCallControlIdActionsStreamingStartArgs, options?: CreateApiCallsCallControlIdActionsStreamingStartOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/calls/${encodeURIComponent(String(args.call_control_id))}/actions/streaming_start${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(createApiCallsCallControlIdActionsStreamingStartResponse, await res.json())
};