import {z} from 'zod'

export type ParentHarnessContext = {system_prompt: string, system_prompt_source?: (string | null) | undefined, prompt: string, preloaded_context?: Array<string> | undefined};

export type SpawnAgentRequest = {task: string, idempotency_key: string, lane?: (string | null) | undefined, kind?: ('work' | 'page') | undefined, engine?: ('pi' | 'claude_managed' | null) | undefined, budget_usd?: (number | null) | undefined, inherit_context?: boolean | undefined, brief_deadline_seconds?: (number | null) | undefined, parent_harness_context?: (ParentHarnessContext | null) | undefined, page?: (string | null) | undefined};

export type CreateApiV1TeamsTeamIdAgentsSpawnArgs = {team_id: string, authorization?: (string | null) | undefined, 'x-darwin-token'?: (string | null) | undefined, 'x-darwin-run-id'?: (string | null) | undefined, body: SpawnAgentRequest};

export type CreateApiV1TeamsTeamIdAgentsSpawnOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const createApiV1TeamsTeamIdAgentsSpawnResponse = z.record(z.string(), z.unknown());

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
};

/**
 * Spawn Agent
 * 
 * POST /v1/teams/{team_id}/agents/spawn
 */
export const createApiV1TeamsTeamIdAgentsSpawn = async (args: CreateApiV1TeamsTeamIdAgentsSpawnArgs, options: CreateApiV1TeamsTeamIdAgentsSpawnOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.authorization != null) headers.set("authorization", String(args.authorization))
if (args['x-darwin-token'] != null) headers.set("x-darwin-token", String(args['x-darwin-token']))
if (args['x-darwin-run-id'] != null) headers.set("x-darwin-run-id", String(args['x-darwin-run-id']))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/teams/${encodeURIComponent(String(args.team_id))}/agents/spawn${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

return validateResponse(createApiV1TeamsTeamIdAgentsSpawnResponse, await res.json())
};