#!/usr/bin/env bash
set -euo pipefail

cd "${PCMT_REMOTE_DIR:-/workspace/pcmt}"
source /venv/main/bin/activate || true
mkdir -p runs

LIMITS="${PCMT_SCALE_LIMITS:-1000 750 500 300}"
MIN_FREE_GB="${PCMT_MIN_FREE_GB:-8}"
DETECTOR_REPEATS="${PCMT_SCALE_DETECTOR_REPEATS:-4096}"
SWEEP_REPEATS="${PCMT_SCALE_SWEEP_REPEATS:-8192}"
DATASET="${PCMT_SCALE_DATASET:-youcook2}"
LOG_JSONL="runs/scale_followup_events.jsonl"

log_event() {
  python3 - "$LOG_JSONL" "$1" "$2" <<'PY'
import json
import sys
from datetime import UTC, datetime
path, event, payload = sys.argv[1:4]
record = {"ts": datetime.now(UTC).isoformat(), "event": event, "payload": payload}
with open(path, "a", encoding="utf-8") as handle:
    handle.write(json.dumps(record, sort_keys=True) + "\n")
PY
}

free_gb() {
  df -BG /workspace | awk 'NR==2 {gsub("G","",$4); print $4}'
}

for limit in ${LIMITS}; do
  avail="$(free_gb)"
  if [ "${avail}" -lt "${MIN_FREE_GB}" ]; then
    log_event "skip_low_disk" "limit=${limit} free_gb=${avail} min_free_gb=${MIN_FREE_GB}"
    continue
  fi
  tag="${DATASET}-scale${limit}"
  log_event "start_scale_attempt" "dataset=${DATASET} limit=${limit} tag=${tag} free_gb=${avail}"
  set +e
  PCMT_BENCHMARK_DATASET="${DATASET}" \
  PCMT_HF_LIMIT="${limit}" \
  PCMT_RUN_TAG="${tag}" \
  PCMT_DETECTOR_REPEATS="${DETECTOR_REPEATS}" \
  PCMT_SWEEP_REPEATS="${SWEEP_REPEATS}" \
  bash scripts/run_long_benchmark_gpu.sh
  status="$?"
  set -e
  log_event "finish_scale_attempt" "dataset=${DATASET} limit=${limit} tag=${tag} status=${status}"
  if [ "${status}" -eq 0 ]; then
    exit 0
  fi
done

log_event "scale_followup_failed" "all_limits_failed"
exit 1