// server/templates/aptReduce.ts
const PREFIXES = [
  // APT / dpkg (jalon 1)
  "Inst ", "Conf ", "Remv ", "Err ", "E:", "W:", "dpkg:",
  // Docker (SJ-0)
  "Pulling", "Digest", "Status", "Downloaded newer image", "Recreating", "Started", "Error",
];
const CONTAINS = [
  "reboot-required", "REBOOT_REQUIRED",
  "deleted", "Total reclaimed space",
];

/** Garde uniquement les lignes informatives (APT + Docker) d'une sortie brute. */
export function reduceLines(raw: string): string[] {
  return raw
    .split("\n")
    .map((l) => l.trimEnd())
    .filter((l) => PREFIXES.some((p) => l.startsWith(p)) || CONTAINS.some((c) => l.includes(c)));
}

/** Alias rétro-compatible (jalon 1) : même comportement, conserve les imports existants. */
export const reduceAptLines = reduceLines;