#!/usr/bin/env bash
# Start or stop a pool of Terminal Desk containers for calibration and replay.
#   tools/pool.sh up ghcr.io/dnakhla/terminal-desk:v2 8     # ports 18001-18008
#   tools/pool.sh down 8
set -euo pipefail
cmd=${1:?up|down}
if [ "$cmd" = up ]; then
  image=${2:?image}; n=${3:-8}
  for i in $(seq 1 "$n"); do
    port=$((18000 + i))
    docker rm -f "td-pool-$i" >/dev/null 2>&1 || true
    docker run -d --rm --name "td-pool-$i" -p "127.0.0.1:$port:8000" "$image" >/dev/null
  done
  for i in $(seq 1 "$n"); do
    port=$((18000 + i))
    for _ in $(seq 1 60); do
      curl -fsS "http://127.0.0.1:$port/health" >/dev/null 2>&1 && break
      sleep 1
    done
    curl -fsS "http://127.0.0.1:$port/health" >/dev/null || { echo "td-pool-$i not healthy" >&2; exit 1; }
  done
  echo "pool up: ports 18001-$((18000 + n))"
else
  n=${2:-8}
  for i in $(seq 1 "$n"); do docker rm -f "td-pool-$i" >/dev/null 2>&1 || true; done
  echo "pool down"
fi