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

binary="$1"
workdir="$(mktemp -d)"
log_file="${workdir}/basic.log"

cleanup() {
  if [[ -n ${server_pid:-} ]] && kill -0 "${server_pid}" 2>/dev/null; then
    kill "${server_pid}" 2>/dev/null || true
    wait "${server_pid}" 2>/dev/null || true
  fi
  rm -rf "${workdir}"
}
trap cleanup EXIT

start_launcher() {
  local launcher="$1"
  local log_target="$2"
  shift 2
  if [[ ${launcher} == *.cmd ]]; then
    local command
    printf -v command '"%s"' "${launcher}"
    for arg in "$@"; do
      printf -v command '%s "%s"' "${command}" "${arg}"
    done
    cmd.exe /c "${command}" >"${log_target}" 2>&1 &
  else
    "${launcher}" "$@" >"${log_target}" 2>&1 &
  fi
  server_pid=$!
}

start_launcher "${binary}" "${log_file}"

for _ in {1..20}; do
  if grep -Fq "rules_bun bun_dev example" "${log_file}"; then
    exit 0
  fi

  if ! kill -0 "${server_pid}" 2>/dev/null; then
    cat "${log_file}" >&2
    echo "basic example process exited unexpectedly" >&2
    exit 1
  fi

  sleep 0.5
done

cat "${log_file}" >&2
echo "Timed out waiting for bun_dev example output" >&2
exit 1