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

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

if ! command -v docker >/dev/null 2>&1; then
  echo "未检测到 docker，请先安装 Docker Desktop 或 Docker Engine。"
  exit 1
fi

if ! docker info >/dev/null 2>&1; then
  echo "Docker 未启动，请先启动后重试。"
  exit 1
fi

if docker compose version >/dev/null 2>&1; then
  COMPOSE_CMD=(docker compose)
elif command -v docker-compose >/dev/null 2>&1; then
  COMPOSE_CMD=(docker-compose)
else
  echo "未检测到 docker compose，请安装后重试。"
  exit 1
fi

export DOCKER_BUILDKIT=1
export COMPOSE_DOCKER_CLI_BUILD=1

find_free_port() {
  local port="$1"
  while lsof -nP -iTCP:"${port}" -sTCP:LISTEN >/dev/null 2>&1; do
    port=$((port + 1))
  done
  echo "${port}"
}

HOST_PORT="$(find_free_port 5180)"
export HOST_PORT

echo "==> 使用国内镜像源构建并启动 VFXdemo"
echo "    - Node 基础镜像: docker.m.daocloud.io"
echo "    - npm registry: registry.npmmirror.com"
echo "    - Host 端口: ${HOST_PORT}"

"${COMPOSE_CMD[@]}" build --pull
"${COMPOSE_CMD[@]}" up -d

echo
echo "启动完成: http://localhost:${HOST_PORT}"
echo "查看日志: ${COMPOSE_CMD[*]} logs -f"
echo "停止服务: ${COMPOSE_CMD[*]} down"