import {z} from 'zod'

export type GetApiV2ServersServerNameVhostsVhostNameApplicationsAppNameInstancesArgs = {serverName: string, vhostName: string, appName: string};

export type GetApiV2ServersServerNameVhostsVhostNameApplicationsAppNameInstancesOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const incomingStreamConfig = z.object({ptzPollingIntervalMinimum: z.number().int(), applicationInstance: z.string(), isPTZEnabled: z.boolean(), isConnected: z.boolean(), serverName: z.string(), version: z.string(), ptzPollingInterval: z.number().int(), isRecordingSet: z.boolean(), sourceIp: z.string(), name: z.string(), isPublishedToVOD: z.boolean(), saveFieldList: z.array(z.string()).optional(), isStreamManagerStream: z.boolean()});

export const outgoingStreamConfig = z.object({someProp2: z.string(), someProp: z.string(), name: z.string(), serverName: z.string(), saveFieldList: z.array(z.string()).optional(), version: z.string()});

export const streamGroupConfig = z.object({groupName: z.string(), isTranscodeResult: z.boolean(), instanceName: z.string(), members: z.array(z.string()), serverName: z.string(), saveFieldList: z.array(z.string()).optional(), version: z.string()});

export const streamRecorderConfig = z.object({timeScale: z.number().int(), instanceName: z.string(), fileVersionDelegateName: z.string(), serverName: z.string(), recorderName: z.string(), currentSize: z.number().int(), segmentSchedule: z.string(), startOnKeyFrame: z.boolean(), outputPath: z.string(), currentFile: z.string(), saveFieldList: z.array(z.string()).optional(), defaultAudioSearchPosition: z.boolean(), recordData: z.boolean(), applicationName: z.string(), moveFirstVideoFrameToZero: z.boolean(), recorderErrorString: z.string(), segmentSize: z.number().int(), defaultRecorder: z.boolean(), splitOnTcDiscontinuity: z.boolean(), version: z.string(), skipKeyFrameUntilAudioTimeout: z.number().int(), baseFile: z.string(), segmentDuration: z.number().int(), recordingStartTime: z.string(), fileTemplate: z.string(), backBufferTime: z.number().int(), segmentationType: z.string(), currentDuration: z.number().int(), fileFormat: z.string(), recorderState: z.string(), option: z.string()});

export const instanceConfig = z.object({incomingStreams: z.array(incomingStreamConfig), name: z.string(), outgoingStreams: z.array(outgoingStreamConfig), serverName: z.string(), streamGroups: z.array(streamGroupConfig), saveFieldList: z.array(z.string()).optional(), version: z.string(), recorders: z.array(streamRecorderConfig)});

export const instancesConfig = z.object({instanceList: z.array(instanceConfig), serverName: z.string(), saveFieldList: z.array(z.string()).optional(), version: z.string()});

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 instance list
 * 
 * GET /v2/servers/{serverName}/vhosts/{vhostName}/applications/{appName}/instances
 */
export const getApiV2ServersServerNameVhostsVhostNameApplicationsAppNameInstances = async (args: GetApiV2ServersServerNameVhostsVhostNameApplicationsAppNameInstancesArgs, options?: GetApiV2ServersServerNameVhostsVhostNameApplicationsAppNameInstancesOptions) => {
const {baseUrl = "http://localhost:8087", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/servers/${encodeURIComponent(String(args.serverName))}/vhosts/${encodeURIComponent(String(args.vhostName))}/applications/${encodeURIComponent(String(args.appName))}/instances${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(instancesConfig, await res.json())
};