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

cd "$(dirname "$0")"
mkdir -p logs

PID_FILE="logs/server.pid"
TERM_TARGETS=()

if [ -f "$PID_FILE" ]; then
  pid=$(cat "$PID_FILE" 2>/dev/null || true)
  if [ -n "${pid:-}" ]; then
    TERM_TARGETS+=("$pid")
  fi
fi

# Catch stale instances that lost their PID file or were started manually.
while IFS= read -r pid; do
  [ -n "$pid" ] && TERM_TARGETS+=("$pid")
done < <(pgrep -f 'uvicorn trends_mcp\.mcp_server_fastmcp:app|trends_mcp\.mcp_server_fastmcp:app' || true)

# De-duplicate and terminate gently first, then force if needed.
if [ "${#TERM_TARGETS[@]}" -gt 0 ]; then
  printf '%s\n' "${TERM_TARGETS[@]}" | awk 'NF && !seen[$0]++' | while read -r pid; do
    if kill -0 "$pid" 2>/dev/null; then
      kill "$pid" 2>/dev/null || true
    fi
  done

  sleep 1

  printf '%s\n' "${TERM_TARGETS[@]}" | awk 'NF && !seen[$0]++' | while read -r pid; do
    if kill -0 "$pid" 2>/dev/null; then
      kill -9 "$pid" 2>/dev/null || true
    fi
  done
fi

rm -f "$PID_FILE"