import {z} from 'zod'

export type GetApiEnsemblesEmNameWorkflowsArgs = {query?: string | undefined, order?: string | undefined, 'start-index'?: number | undefined, 'max-results'?: number | undefined};

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

export const workflow = z.object({id: z.number().int(), name: z.string(), created: z.string(), updated: z.string(), state: z.enum(["READY", "PLANNING", "PLAN_FAILED", "QUEUED", "RUN_FAILED", "RUNNING", "FAILED", "SUCCESSFUL", "ABORTED"]), priority: z.number().int(), wf_uuid: z.string()});

export const getApiEnsemblesEmNameWorkflowsResponse = z.object({records: z.array(workflow), total: z.number().int(), filtered: z.number().int()});

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 workflows belonging to the given ensemble
 * 
 * GET /ensembles/{em-name}/workflows
 */
export const getApiEnsemblesEmNameWorkflows = async (args: GetApiEnsemblesEmNameWorkflowsArgs, options?: GetApiEnsemblesEmNameWorkflowsOptions) => {
const {baseUrl = "http://localhost:5000/api/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.query != null) query.append("query", String(args.query))
if (args.order != null) query.append("order", String(args.order))
if (args['start-index'] != null) query.append("start-index", String(args['start-index']))
if (args['max-results'] != null) query.append("max-results", String(args['max-results']))

const url = `${baseUrl.replace(/\/+$/, '')}/ensembles/${encodeURIComponent(String(args['em-name']))}/workflows${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(getApiEnsemblesEmNameWorkflowsResponse, await res.json())
};