import {z} from 'zod'

export type GetApiHostIdArgs = {'X-Auth-Token': string, id: string};

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

export const rESTIPAddr = z.object({ip: z.string(), ip_prefix: z.number().int(), gateway: z.string()});

export const rESTScanBrief = z.object({status: z.string(), high: z.number().int(), medium: z.number().int(), result: z.string(), scanned_timestamp: z.number().int(), scanned_at: z.string(), base_os: z.string(), scanner_version: z.string(), cvedb_create_time: z.string()});

export const rESTHost = z.object({name: z.string(), id: z.string(), runtime: z.string(), runtime_version: z.string(), runtime_api_version: z.string(), platform: z.string(), os: z.string(), kernel: z.string(), cpus: z.number().int(), memory: z.number().int(), cgroup_version: z.number().int(), containers: z.number().int(), interfaces: z.object({key: z.string().optional(), value: z.array(rESTIPAddr).optional()}), state: z.string(), cap_docker_bench: z.boolean(), cap_kube_bench: z.boolean(), docker_bench_status: z.string().optional(), kube_bench_status: z.string().optional(), policy_mode: z.string(), profile_mode: z.string(), scan_summary: rESTScanBrief, storage_driver: z.string(), labels: z.object({key: z.array(z.string()).optional(), value: z.string().optional()}), annotations: z.object({key: z.array(z.string()).optional(), value: z.string().optional()})});

export const rESTHostData = z.object({host: rESTHost});

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
};

/**
 * Show host
 * 
 * GET /host/{id}
 */
export const getApiHostId = async (args: GetApiHostIdArgs, options: GetApiHostIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args['X-Auth-Token'] != null) headers.set("X-Auth-Token", String(args['X-Auth-Token']))

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