#!/bin/sh
set -eu

repo_path="${1:-$(pwd)}"
socket_host="${TOOLKIT_SOCKET_HOST:-0.0.0.0}"
socket_port="${TOOLKIT_SOCKET_PORT:-5174}"
socket_cors_origin="${TOOLKIT_SOCKET_CORS_ORIGIN:-http://127.0.0.1:5173,http://localhost:5173,http://bone-kingdom.tabitha.tealthrone}"
pid_file="$repo_path/.toolkit-socket.pid"
log_directory="$repo_path/logs"
log_file="$log_directory/toolkit-socket.log"

find_executable() {
  executable_name="$1"

  for executable_path in \
    "$executable_name" \
    "/opt/homebrew/bin/$executable_name" \
    "/usr/local/bin/$executable_name" \
    "/usr/bin/$executable_name" \
    "$HOME/.nvm/versions/node"/*"/bin/$executable_name"; do
    if command -v "$executable_path" >/dev/null 2>&1; then
      command -v "$executable_path"
      return 0
    fi

    if [ -x "$executable_path" ]; then
      printf '%s\n' "$executable_path"
      return 0
    fi
  done

  return 1
}

cd "$repo_path"

node_bin="$(find_executable node || true)"
npm_bin="$(find_executable npm || true)"

if [ -z "$node_bin" ]; then
  echo "[deploy:toolkit] node was not found. Install Node or add it to a standard deploy PATH."
  exit 1
fi

if [ ! -f package.json ] || [ ! -f socket/server.mjs ]; then
  echo "[deploy:toolkit] $repo_path is not a Bone Kingdom repo checkout."
  exit 1
fi

mkdir -p "$log_directory" \
  "$repo_path/src/assets/images/uploads" \
  "$repo_path/src/assets/music/uploads"

if [ ! -d "$repo_path/node_modules/socket.io" ]; then
  if [ -z "$npm_bin" ]; then
    echo "[deploy:toolkit] npm was not found and dependencies are missing."
    exit 1
  fi

  echo "[deploy:toolkit] node_modules missing socket.io; installing workspace dependencies."
  "$npm_bin" install --no-audit --no-fund
fi

if [ -f "$pid_file" ]; then
  existing_pid="$(cat "$pid_file")"

  if [ -n "$existing_pid" ] && kill -0 "$existing_pid" 2>/dev/null; then
    echo "[deploy:toolkit] stopping existing socket process $existing_pid"
    kill -TERM "$existing_pid"

    sleep 1
  fi
fi

echo "[deploy:toolkit] starting socket on $socket_host:$socket_port"

TOOLKIT_SOCKET_HOST="$socket_host" \
TOOLKIT_SOCKET_PORT="$socket_port" \
TOOLKIT_SOCKET_CORS_ORIGIN="$socket_cors_origin" \
  nohup "$node_bin" socket/server.mjs >"$log_file" 2>&1 &

socket_pid="$!"
printf '%s\n' "$socket_pid" > "$pid_file"

sleep 1

if ! kill -0 "$socket_pid" 2>/dev/null; then
  echo "[deploy:toolkit] socket failed to start; recent log output follows."
  tail -n 80 "$log_file" || true
  exit 1
fi

if command -v curl >/dev/null 2>&1; then
  socket_ready="false"

  for _ in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
    if curl -fsS "http://127.0.0.1:$socket_port/health" >/dev/null; then
      socket_ready="true"
      break
    fi

    sleep 1
  done

  if [ "$socket_ready" != "true" ]; then
    echo "[deploy:toolkit] socket did not become healthy; recent log output follows."
    tail -n 80 "$log_file" || true
    exit 1
  fi
fi

echo "[deploy:toolkit] socket running as $socket_pid"