#!/usr/bin/env bash
# rotate-logs.sh — comprimeer oude run-logs en verwijder zeer oude
#
# Wordt elke daemon-iteratie aangeroepen. Werkt op:
#   - ${AGENT_LOG_DIR}/runs/*.log    (per claude -p invocation)
#   - ${AGENT_LOG_DIR}/jobs/*/*.txt  (per job archief)
#
# Configurable via env:
#   AGENT_LOG_GZIP_AFTER_HOURS (default 24)
#   AGENT_LOG_DELETE_AFTER_DAYS (default 30)

set -uo pipefail

source /opt/agent/bin/_lib.sh

: "${AGENT_LOG_DIR:=/var/log/agent}"
: "${AGENT_LOG_GZIP_AFTER_HOURS:=24}"
: "${AGENT_LOG_DELETE_AFTER_DAYS:=30}"

# Convert hours → minutes for find -mmin
GZIP_AFTER_MIN=$(( AGENT_LOG_GZIP_AFTER_HOURS * 60 ))

# 1. Gzip oude .log files in runs/
find "${AGENT_LOG_DIR}/runs" -maxdepth 1 -type f -name '*.log' \
    -mmin "+${GZIP_AFTER_MIN}" -print 2>/dev/null \
    | while read -r f; do
        gzip -q "$f" || true
    done

# 2. Delete zeer oude .gz files in runs/
find "${AGENT_LOG_DIR}/runs" -maxdepth 1 -type f -name '*.log.gz' \
    -mtime "+${AGENT_LOG_DELETE_AFTER_DAYS}" -delete 2>/dev/null || true

# 3. Delete zeer oude job-archieven
find "${AGENT_LOG_DIR}/jobs" -maxdepth 1 -mindepth 1 -type d \
    -mtime "+${AGENT_LOG_DELETE_AFTER_DAYS}" -exec rm -rf {} + 2>/dev/null || true