import {z} from 'zod'

export type GetApiAgentIdOutputArgs = {id: number, mode?: ('track' | 'most-recent') | undefined, containerId?: number | undefined, fromOutputPos?: number | undefined, withoutResultObject?: boolean | undefined};

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

export const getApiAgentIdOutputResponse = z.object({status: z.string().optional(), data: z.object({agentStatus: z.string().optional(), containerStatus: z.string().optional(), runningContainers: z.number().optional(), queuedContainers: z.number().optional(), containerId: z.number().optional(), progress: z.object({progress: z.number().optional(), label: z.string().optional(), runtime: z.number().optional()}).optional(), messages: z.array(z.object({id: z.number().optional(), date: z.number().optional(), text: z.string().optional(), type: z.string().optional(), context: z.array(z.string()).optional()})).optional(), output: z.string().optional(), outputPos: z.number().optional(), resultObject: z.object({}).optional()}).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
};

/**
 * Get data from an agent: console output, status, progress and messages. This API endpoint is specifically designed so that it’s easy to get incremental data from an agent.
 * 
 * GET /agent/{id}/output
 */
export const getApiAgentIdOutput = async (args: GetApiAgentIdOutputArgs, options?: GetApiAgentIdOutputOptions) => {
const {baseUrl = "https://api.phantombuster.com/api/v2", fetch: fetchFn = fetch, internalApiKey} = options ?? {}

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

if (args.mode != null) query.append("mode", String(args.mode))
if (args.containerId != null) query.append("containerId", String(args.containerId))
if (args.fromOutputPos != null) query.append("fromOutputPos", String(args.fromOutputPos))
if (args.withoutResultObject != null) query.append("withoutResultObject", String(args.withoutResultObject))
if (internalApiKey !== undefined) headers.set("X-Phantombuster-Key-1", internalApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/agent/${encodeURIComponent(String(args.id))}/output${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(getApiAgentIdOutputResponse, await res.json())
};