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

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"

if [[ -f .env ]]; then
  set -a
  # shellcheck source=/dev/null
  source .env
  set +a
fi

if [[ -f .venv/bin/activate ]]; then
  # shellcheck source=/dev/null
  source .venv/bin/activate
fi

PORT="${MCP_PORT:-${PORT:-8550}}"
HOST="${MCP_HOST:-0.0.0.0}"
LOG_DIR="logs"
mkdir -p "$LOG_DIR"
PID_FILE="$LOG_DIR/server.pid"
LOG_FILE="$LOG_DIR/server.log"

if [[ -f "$PID_FILE" ]]; then
  PID="$(cat "$PID_FILE" 2>/dev/null || true)"
  if [[ -n "${PID:-}" ]] && kill -0 "$PID" 2>/dev/null; then
    echo "Atlas already running (PID $PID)."
    exit 1
  else
    echo "Removing stale pidfile."
    rm -f "$PID_FILE"
  fi
fi

nohup python3 -m uvicorn app.main:app --host "$HOST" --port "$PORT" >"$LOG_FILE" 2>&1 &
PID=$!
echo "$PID" >"$PID_FILE"
echo "Atlas started (PID $PID). Logs: $LOG_FILE"