import log4js from "logger";
import { dbGlobal } from "drizzle-pkg/lib/db";
import { agentSessions } from "drizzle-pkg/lib/schema/agent";
import { lt, and, isNotNull } from "drizzle-orm";

const logger = log4js.getLogger("SCHEDULER");

export default async function cleanupExpiredAgentSessions() {
  try {
    const now = new Date();

    await dbGlobal
      .delete(agentSessions)
      .where(
        and(
          isNotNull(agentSessions.expiresAt),
          lt(agentSessions.expiresAt, now),
        ),
      );

    logger.info("Agent session cleanup: expired temp sessions cleaned");
    return {
      success: true,
      message: "Cleaned expired temp agent sessions",
    };
  } catch (err) {
    logger.error(
      "Agent session cleanup failed: %s",
      err instanceof Error ? err.message : String(err),
    );
    return { success: false, message: "Agent session cleanup failed" };
  }
}