import {z} from 'zod'

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

export const jobType = z.enum(["SUBMISSION", "DRIVER"]);

export const driverInfo = z.object({id: z.string(), node_ip_address: z.string(), pid: z.string()}).nullable();

export const jobStatus = z.enum(["PENDING", "RUNNING", "STOPPED", "SUCCEEDED", "FAILED"]);

export const jobDetails = z.object({type: jobType, entrypoint: z.string(), job_id: z.string().nullable().optional(), submission_id: z.string().nullable().optional(), driver_info: driverInfo.nullable().optional(), status: jobStatus, message: z.string().nullable().optional(), error_type: z.string().nullable().optional(), start_time: z.number().int().nullable().optional(), end_time: z.number().int().nullable().optional(), metadata: z.record(z.string(), z.string()).nullable().optional(), runtime_env: z.object({}).nullable().optional(), driver_agent_http_address: z.string().nullable().optional(), driver_node_id: z.string().nullable().optional()});

export const getApiApiJobsResponse = z.array(jobDetails);

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
};

/**
 * List Jobs
 * 
 * GET /api/jobs
 */
export const getApiApiJobs = async (options: GetApiApiJobsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

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