#!/usr/bin/env bash
# Start dev stack with the API reachable from an iPhone on the same LAN.
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$ROOT"

if [[ ! -f .env ]]; then
  echo "Missing .env — run: cp .env.example .env and fill secrets." >&2
  exit 1
fi

set_env_var() {
  local key="$1"
  local value="$2"
  if grep -q "^${key}=" .env; then
    perl -pi -e "s/^\\Q${key}=\\E.*/${key}=${value}/" .env
  else
    printf '\n%s=%s\n' "$key" "$value" >> .env
  fi
}

lan_ipv4() {
  local os ip iface
  os="$(uname -s)"
  if [[ "$os" == Darwin ]]; then
    for iface in en0 en1 bridge100; do
      ip="$(ipconfig getifaddr "$iface" 2>/dev/null || true)"
      if [[ -n "$ip" ]]; then
        echo "$ip"
        return 0
      fi
    done
    return 1
  fi
  if command -v ip >/dev/null 2>&1; then
    ip route get 1.1.1.1 2>/dev/null | awk '{for (i=1;i<=NF;i++) if ($i=="src") { print $(i+1); exit }}'
    return 0
  fi
  hostname -I 2>/dev/null | awk '{print $1}'
}

set_env_var API_HOST "0.0.0.0"

IP="$(lan_ipv4 || true)"
PORT="${API_PORT:-3100}"

echo ""
echo "evOo LAN (iPhone / iPad)"
echo "  1. Same Wi‑Fi as this machine; allow incoming TCP ${PORT} in the firewall."
echo "  2. In the evOo app: Sign in → Custom server"
if [[ -n "$IP" ]]; then
  echo "  3. Server URL: http://${IP}:${PORT}"
else
  echo "  3. Server URL: http://<this-machine-lan-ip>:${PORT}"
  echo "     (Could not detect LAN IP — check System Settings → Network.)"
fi
echo ""
echo "Starting pnpm dev …"
exec pnpm dev