#!/bin/sh
set -e
cd "$(dirname "$0")"

MODE="${1:-pre}"

host_docker_check() {
  if command -v docker >/dev/null 2>&1; then
    if docker version >/dev/null 2>&1; then
      echo "  ✓ docker:            $(docker version --format '{{.Server.Version}}' 2>/dev/null || docker --version)"
    else
      echo "  ! docker:            установлен, но демон недоступен (запустите docker)"
    fi
    if docker compose version >/dev/null 2>&1; then
      echo "  ✓ docker_compose:    $(docker compose version --short 2>/dev/null || docker compose version)"
    else
      echo "  ! docker_compose:    не найден"
    fi
  else
    echo "  ! docker:            не найден на хосте"
    echo "  ! docker_compose:    не найден на хосте"
  fi
}

run_go_check() {
  if command -v go >/dev/null 2>&1; then
    CHECK_HOST_TOOLS=1 "$@" go run ./cmd/check
  else
    CHECK_HOST_TOOLS=0 "$@" docker run --rm -v "$(pwd):/app" -w /app golang:1.22-alpine go run ./cmd/check
  fi
}

load_env() {
  if [ -f .env ]; then
    set -a
    # shellcheck disable=SC1091
    . ./.env
    set +a
  fi
}

post_start_check() {
  echo "=== Проверка после запуска ==="
  load_env
  host_docker_check
  echo ""

  if docker compose ps postgres 2>/dev/null | grep -qi running; then
    if docker compose exec -T postgres pg_isready -U "${POSTGRES_USER:-shop}" -d "${POSTGRES_DB:-shopdb}" >/dev/null 2>&1; then
      echo "  ✓ postgresql:        готова"
    else
      echo "  ✗ postgresql:        не отвечает"
      exit 1
    fi
  else
    echo "  ✗ postgres:          контейнер не запущен — docker compose up -d"
    exit 1
  fi

  if command -v curl >/dev/null 2>&1; then
    if curl -sf "http://127.0.0.1:${HTTP_PORT:-80}/health" >/dev/null 2>&1; then
      echo "  ✓ /health:           OK"
    else
      echo "  ✗ /health:           не отвечает — docker compose logs app caddy"
      exit 1
    fi
  elif docker compose exec -T app wget -qO- http://127.0.0.1:8080/health >/dev/null 2>&1; then
    echo "  ✓ app /health:       OK"
  fi

  echo ""
  CHECK_SKIP_DB=1 CHECK_HOST_TOOLS=1 run_go_check
}

case "$MODE" in
  --after-start|post)
    post_start_check
    ;;
  *)
    echo "=== Проверка перед запуском (БД будет проверена после docker compose) ==="
    host_docker_check
    echo ""
    CHECK_SKIP_DB=1 run_go_check
    echo ""
    echo "Далее: docker compose up --build -d"
    echo "Затем: ./check.sh --after-start"
    ;;
esac