#!/bin/bash
set -euo pipefail

is_worker_command() {
  local joined="$*"
  case "$joined" in
    *"celery -A iaai_scraper.worker.celery_app worker"*|*" celery -A iaai_scraper.worker.celery_app worker"*)
      return 0
      ;;
  esac
  return 1
}

is_scrape_cli_command() {
  local joined="$*"
  case "$joined" in
    *"collect-listing"*|*"scrape-vehicle"*|*"sync-vehicle"*|*"sync-listing"*)
      return 0
      ;;
  esac
  return 1
}

needs_browser_runtime() {
  is_worker_command "$@" || is_scrape_cli_command "$@"
}

start_proxy_bridge_if_needed() {
  if ! needs_browser_runtime "$@"; then
    return 0
  fi

  if [ -z "${SOCKS5_PROXY_HOST:-}" ]; then
    return 0
  fi

  echo "[entrypoint] Starting proxy bridge (HTTP :8899 → SOCKS5 ${SOCKS5_PROXY_HOST}:${SOCKS5_PROXY_PORT:-1002})..."

  if [ -z "${IAAI_PROXY_SERVER:-}" ]; then
    export IAAI_PROXY_SERVER="http://127.0.0.1:8899"
  elif [ "${IAAI_PROXY_SERVER}" = "http://localhost:8899" ]; then
    export IAAI_PROXY_SERVER="http://127.0.0.1:8899"
  fi

  echo "[entrypoint] Using browser proxy: ${IAAI_PROXY_SERVER}"

  # Watchdog: автоматически рестартует bridge при падении.
  # Нужно для долгоиграющих контейнеров (месяцы аптайма): без watchdog
  # упавший bridge тихо ломает весь скрапинг и IAAI начинает банить реальный IP VPS.
  (
    while true; do
      python -m iaai_scraper.proxy_bridge
      EXIT_CODE=$?
      echo "[entrypoint] proxy_bridge exited with code ${EXIT_CODE}; restarting in 3s..."
      sleep 3
    done
  ) &
  BRIDGE_WATCHDOG_PID=$!
  sleep 1

  if ! kill -0 "${BRIDGE_WATCHDOG_PID}" 2>/dev/null; then
    echo "[entrypoint] ERROR: proxy_bridge watchdog failed to start"
    exit 1
  fi

  # Проверяем что bridge действительно слушает порт.
  for i in 1 2 3 4 5; do
    if python -c "import socket,sys; s=socket.socket(); s.settimeout(2); sys.exit(0 if s.connect_ex(('127.0.0.1', 8899))==0 else 1)" 2>/dev/null; then
      echo "[entrypoint] Proxy bridge listening on :8899 (watchdog PID ${BRIDGE_WATCHDOG_PID})"
      return 0
    fi
    sleep 1
  done

  echo "[entrypoint] ERROR: proxy_bridge did not start listening on :8899"
  exit 1
}

start_proxy_bridge_if_needed "$@"

exec "$@"