import {z} from 'zod'

export type GetApiV1AgentsAgentIdRunsArgs = {agent_id: string, limit?: number | undefined};

export type GetApiV1AgentsAgentIdRunsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const agentRunResponse = z.object({id: z.string().optional(), agent_id: z.string().optional(), trigger_type: z.enum(["scheduled", "alpha", "manual"]).nullable().optional(), status: z.string().optional(), title: z.string().nullable().optional(), summary: z.string().nullable().optional(), reasoning: z.string().nullable().optional(), action_taken: z.boolean().nullable().optional(), error: z.string().nullable().optional(), started_at: z.string().nullable().optional(), finished_at: z.string().nullable().optional()});

export const getApiV1AgentsAgentIdRunsResponse = z.array(agentRunResponse);

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
};

/**
 * Get agent runs
 * 
 * GET /v1/agents/{agent_id}/runs
 */
export const getApiV1AgentsAgentIdRuns = async (args: GetApiV1AgentsAgentIdRunsArgs, options?: GetApiV1AgentsAgentIdRunsOptions) => {
const {baseUrl = "https://api.gigabrain.gg", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/agents/${encodeURIComponent(String(args.agent_id))}/runs${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(getApiV1AgentsAgentIdRunsResponse, await res.json())
};