#!/bin/sh
# Fake "algorithm3" — produces files the way the real GPU container would:
# a processed anomaly image + a results CSV every $INTERVAL seconds.
INTERVAL="${INTERVAL:-45}"
mkdir -p /out/image_root_dir /out/csv_files

N=0
while true; do
  N=$((N + 1))
  TS=$(date '+%Y%m%d_%H%M%S')

  # Fake "image": random bytes, 100–500 KB, so transfers are visible in stats
  SIZE_KB=$(( (N * 97) % 400 + 100 ))
  dd if=/dev/urandom of="/out/image_root_dir/anomaly_${TS}.jpg" \
     bs=1024 count="$SIZE_KB" 2>/dev/null

  # Fake results CSV
  {
    echo "frame,chainage,class,confidence,timestamp"
    i=0
    while [ $i -lt 5 ]; do
      i=$((i + 1))
      echo "${N},${i}.$((N % 10)),pothole,0.$((70 + i)),${TS}"
    done
  } > "/out/csv_files/results_${TS}.csv"

  echo "[generator] #${N}: anomaly_${TS}.jpg (${SIZE_KB}KB) + results_${TS}.csv"
  sleep "$INTERVAL"
done