import {z} from 'zod'

export type DAGName = unknown;

export type DAGRunId = string;

export type CreateApiDagRunsNameDagRunIdStepsStepNameAgentSessionRestartArgs = {remoteNode?: string | undefined, name: DAGName, dagRunId: DAGRunId, stepName: string};

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

export const agentSessionRestartResponse = z.object({dagRunId: z.string(), stepName: z.string(), generation: z.number().int(), resumed: z.boolean(), subDAGRunId: 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
};

/**
 * Restart a managed-agent session cleanly
 * 
 * POST /dag-runs/{name}/{dagRunId}/steps/{stepName}/agent-session/restart
 * 
 * Also accepts auth: basicAuth
 */
export const createApiDagRunsNameDagRunIdStepsStepNameAgentSessionRestart = async (args: CreateApiDagRunsNameDagRunIdStepsStepNameAgentSessionRestartArgs, options?: CreateApiDagRunsNameDagRunIdStepsStepNameAgentSessionRestartOptions) => {
const {baseUrl = "http://localhost/api/v1", fetch: fetchFn = fetch, apiToken} = options ?? {}

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

if (args.remoteNode != null) query.append("remoteNode", String(args.remoteNode))
if (apiToken !== undefined) headers.set('authorization', `Bearer ${apiToken}`)

const url = `${baseUrl.replace(/\/+$/, '')}/dag-runs/${encodeURIComponent(String(args.name))}/${encodeURIComponent(String(args.dagRunId))}/steps/${encodeURIComponent(String(args.stepName))}/agent-session/restart${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(agentSessionRestartResponse, await res.json())
};