#!/usr/bin/env bash
# 用法：在 Linux 终端执行本脚本，后台启动 TenantApi 的 dotnet watch（开发用，不需要 docker build）。
# 前置：已安装并运行 Docker。
set -euo pipefail
trap 'echo "发生错误：${BASH_COMMAND}" >&2' ERR

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

container_name="${CONTAINER_NAME:-takeout.api.tenant}"
docker_network="${DOCKER_NETWORK:-web_apps}"
host_port="${HOST_PORT:-7903}"
container_port="${CONTAINER_PORT:-7903}"
sdk_image="${SDK_IMAGE:-mcr.microsoft.com/dotnet/sdk:10.0}"
nuget_volume="${NUGET_VOLUME:-takeout-nuget}"
project_path="${PROJECT_PATH:-src/Api/TakeoutSaaS.TenantApi/TakeoutSaaS.TenantApi.csproj}"
environment="${ASPNETCORE_ENVIRONMENT:-Development}"

repo_root=""
candidate_dir="${script_dir}"
for _ in 0 1 2 3 4 5; do
  # 必须同时满足：项目文件存在 且 sln 文件存在
  if [ -f "${candidate_dir}/${project_path}" ] && [ -f "${candidate_dir}/TakeoutSaaS.sln" ]; then
    repo_root="${candidate_dir}"
    break
  fi

  candidate_dir="$(cd "${candidate_dir}/.." && pwd)"
done

if [ -z "${repo_root}" ]; then
  echo "未找到仓库根目录（需要同时存在 ${project_path} 和 TakeoutSaaS.sln），请在 TenantApi 仓库中运行该脚本。" >&2
  exit 1
fi

echo "工作目录：${repo_root}"
echo "使用 SDK 镜像：${sdk_image}"
echo "容器：${container_name} 端口：${host_port}:${container_port} 网络：${docker_network}"
echo "项目：${project_path} 环境：${environment}"

# 1. (空行后) 确保 network 存在（用于连接同网络内的 postgres/redis 等依赖）
if [ -n "${docker_network}" ]; then
  if ! docker network inspect "${docker_network}" >/dev/null 2>&1; then
    echo "Docker network 不存在，正在创建：${docker_network}"
    docker network create "${docker_network}" >/dev/null
  fi
fi

# 2. (空行后) 持久化 NuGet 缓存，加速 restore/build
if ! docker volume inspect "${nuget_volume}" >/dev/null 2>&1; then
  echo "NuGet volume 不存在，正在创建：${nuget_volume}"
  docker volume create "${nuget_volume}" >/dev/null
fi

# 3. (空行后) 替换旧容器（如存在）
if docker ps -a --format '{{.Names}}' | grep -qx "${container_name}"; then
  echo "发现旧容器，正在移除：${container_name}"
  docker rm -f "${container_name}" >/dev/null
fi

run_args=()
if [ -n "${docker_network}" ]; then
  run_args+=(--network "${docker_network}")
fi

# 4. 代理配置（用于 dotnet restore 访问 nuget.org）
proxy_host="172.18.0.1"
proxy_port="7890"
proxy_env_args=()
if [ "${USE_PROXY:-1}" = "1" ]; then
  proxy_env_args+=(-e "HTTP_PROXY=http://${proxy_host}:${proxy_port}")
  proxy_env_args+=(-e "HTTPS_PROXY=http://${proxy_host}:${proxy_port}")
  proxy_env_args+=(-e "http_proxy=http://${proxy_host}:${proxy_port}")
  proxy_env_args+=(-e "https_proxy=http://${proxy_host}:${proxy_port}")
  proxy_env_args+=(-e "NO_PROXY=localhost,127.0.0.1,::1")
  proxy_env_args+=(-e "no_proxy=localhost,127.0.0.1,::1")
  echo "已启用代理：http://${proxy_host}:${proxy_port}"
fi

echo "启动 dotnet watch（后台运行）..."
docker run -d --name "${container_name}" \
  "${run_args[@]}" \
  --restart=always \
  -p "${host_port}:${container_port}" \
  -v "${repo_root}":/src \
  -w /src \
  -v "${nuget_volume}":/root/.nuget/packages \
  -e ASPNETCORE_ENVIRONMENT="${environment}" \
  -e ASPNETCORE_URLS="http://+:${container_port}" \
  -e DOTNET_USE_POLLING_FILE_WATCHER=1 \
  -e DOTNET_WATCH_SUPPRESS_LAUNCH_BROWSER=1 \
  "${proxy_env_args[@]}" \
  "${sdk_image}" \
  dotnet watch --project "${project_path}" run --no-launch-profile

echo "已启动。查看日志：docker logs -f ${container_name}"
echo "Swagger：http://localhost:${host_port}/api/docs （兼容入口 /swagger）"