import {z} from 'zod'

export type Status = 'CREATED' | 'QUEUED' | 'IN_PROGRESS' | 'COMPLETED' | 'FAILED' | 'STOPPING' | 'STOPPED';

export type SortField = {name?: string | undefined, direction?: ('asc' | 'desc') | undefined};

export type GetApiJobsArgs = {job_definition_id?: string | undefined, status?: Status | undefined, name?: string | undefined, tags?: Array<string> | undefined, start_time?: number | undefined, sort_by?: Array<SortField> | undefined, max_items?: number | undefined, next_token?: string | undefined};

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

export const jobFile = z.object({display_name: z.string().optional(), file_format: z.string().optional(), file_path: z.string().optional()});

export const status = z.enum(["CREATED", "QUEUED", "IN_PROGRESS", "COMPLETED", "FAILED", "STOPPING", "STOPPED"]);

export const describeJob = z.object({job_id: z.string().optional(), input_filename: z.string().optional(), runtime_environment_name: z.string().optional(), runtime_environment_parameters: z.record(z.string(), z.string()).optional(), output_formats: z.array(z.string()).optional(), parameters: z.record(z.string(), z.string()).optional(), tags: z.array(z.string()).optional(), name: z.string().optional(), output_filename_template: z.string().optional(), compute_type: z.string().optional(), job_files: z.array(jobFile).optional(), create_time: z.number().int().optional(), update_time: z.number().int().optional(), start_time: z.number().int().optional(), end_time: z.number().int().optional(), status: status.optional(), status_message: z.string().optional(), downloaded: z.boolean().optional(), package_input_folder: z.boolean().optional(), packaged_files: z.array(z.string()).optional()});

export const listJobsResponse = z.object({jobs: z.array(describeJob).optional(), total_count: z.number().int().optional(), next_token: z.string().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
};

/**
 * List all jobs
 * 
 * GET /jobs
 * 
 * Also accepts auth: JupyterServerAuthToken
 */
export const getApiJobs = async (args: GetApiJobsArgs, options: GetApiJobsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, JupyterServerAuthHeader} = options ?? {}

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

if (args.job_definition_id != null) query.append("job_definition_id", String(args.job_definition_id))
if (args.status != null) query.append("status", String(args.status))
if (args.name != null) query.append("name", String(args.name))
for (const item of args.tags ?? []) query.append("tags", String(item))
if (args.start_time != null) query.append("start_time", String(args.start_time))
for (const item of args.sort_by ?? []) query.append("sort_by", String(item))
if (args.max_items != null) query.append("max_items", String(args.max_items))
if (args.next_token != null) query.append("next_token", String(args.next_token))
if (JupyterServerAuthHeader !== undefined) headers.set("Authorization", JupyterServerAuthHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/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(listJobsResponse, await res.json())
};