import {z} from 'zod'

export type CreateApiApiAgentsArgs = {body: {name: string, role: string, session_key?: string | undefined, soul_content?: string | undefined, status?: ('online' | 'offline' | 'busy' | 'idle' | 'error') | undefined, config?: Record<string, never> | undefined, template?: string | undefined, gateway_config?: Record<string, never> | undefined, write_to_gateway?: boolean | undefined}};

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

export const agent = z.object({id: z.number().int().optional(), name: z.string().optional(), role: z.string().optional(), status: z.enum(["online", "offline", "busy", "idle", "error"]).optional(), session_key: z.string().optional(), soul_content: z.string().optional(), config: z.object({}).optional(), last_seen: z.number().int().optional(), created_at: z.number().int().optional(), updated_at: z.number().int().optional(), taskStats: z.object({total: z.number().int().optional(), assigned: z.number().int().optional(), in_progress: z.number().int().optional(), completed: z.number().int().optional()}).optional()});

export const createApiApiAgentsResponse = z.object({agent: agent.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
};

/**
 * Create agent
 * 
 * POST /api/agents
 * 
 * Also accepts auth: apiKey
 */
export const createApiApiAgents = async (args: CreateApiApiAgentsArgs, options: CreateApiApiAgentsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, sessionCookie} = options ?? {}

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

if (sessionCookie !== undefined) cookies.push("__Host-mc-session=" + encodeURIComponent(sessionCookie))

const url = `${baseUrl.replace(/\/+$/, '')}/api/agents${query.size > 0 ? `?${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(createApiApiAgentsResponse, await res.json())
};