#!/usr/bin/env bash
#
# webui4frpc 多平台发布脚本
#
# 用法:
#   ./scripts/release.sh [version]        # 默认 version=0.1.2
#
# 行为:
#   1. 构建前端 (web/dist) 并同步到 internal/httpapi/dist (go:embed 用)
#   2. 交叉编译全平台单二进制 (linux/windows/darwin × amd64/arm64)
#   3. 打包各平台安装包:
#        - linux/darwin:  tar.gz (二进制 + README + systemd 模板)
#        - windows:       zip   (exe + README)
#   4. 生成 SHA256SUMS
#   5. 输出到 dist/artifacts/<version>/
#
# 环境变量:
#   GOPROXY_OVERRIDE  覆盖 go module 代理 (默认 goproxy.cn,direct, 走本地 7890 代理)
#   NO_BUILD_FRONTEND  设为 1 跳过前端构建 (用现有 dist)
set -euo pipefail

VERSION="${1:-0.1.2}"
VERSION="${VERSION#v}"   # 去掉可能的前导 v
ROOT="$(cd "$(dirname "$0")/.." && pwd)"
OUT="$ROOT/dist/artifacts/$VERSION"
GOFLAGS_ENV=""

# ---- 0. Go module 代理 (内网需走本地代理访问 goproxy.cn) ----
if [ -n "${GOPROXY_OVERRIDE:-}" ]; then
  GOFLAGS_ENV="GOPROXY=${GOPROXY_OVERRIDE}"
else
  GOFLAGS_ENV="GOPROXY=https://goproxy.cn,direct"
fi
# 若本地 7890 代理存在则导出 (模块下载走代理)
if curl -s -o /dev/null -m 2 -x http://127.0.0.1:7890 https://goproxy.cn >/dev/null 2>&1; then
  export HTTPS_PROXY=http://127.0.0.1:7890 HTTP_PROXY=http://127.0.0.1:7890
fi

echo "==> 版本: $VERSION"
mkdir -p "$OUT"

# ---- 1. 构建前端 ----
if [ "${NO_BUILD_FRONTEND:-0}" != "1" ]; then
  echo "==> 构建前端"
  ( cd "$ROOT/web" && npm run build )
  rm -rf "$ROOT/internal/httpapi/dist"
  cp -r "$ROOT/web/dist" "$ROOT/internal/httpapi/dist"
else
  echo "==> 跳过前端构建 (用现有 dist)"
fi

# ---- 2. 交叉编译全平台 ----
# target 格式: os arch 扩展名 [tar|zip]
TARGETS=(
  "linux amd64" "linux arm64"
  "windows amd64" "windows arm64"
  "darwin amd64" "darwin arm64"
)

declare -A PLATFORM_EXT=(
  [linux-amd64]=tgz [linux-arm64]=tgz
  [darwin-amd64]=tgz [darwin-arm64]=tgz
  [windows-amd64]=zip [windows-arm64]=zip
)
declare -A PLATFORM_BIN=(
  [linux-amd64]=webui4frpc [linux-arm64]=webui4frpc
  [darwin-amd64]=webui4frpc [darwin-arm64]=webui4frpc
  [windows-amd64]=webui4frpc.exe [windows-arm64]=webui4frpc.exe
)

for target in "${TARGETS[@]}"; do
  os="${target%% *}"; arch="${target##* }"
  key="$os-$arch"
  bin="${PLATFORM_BIN[$key]}"
  # 每个平台编译到独立子目录，避免 darwin/linux 同名二进制互相覆盖
  bindir="$OUT/bin/$key"
  mkdir -p "$bindir"
  echo "==> 编译 $os/$arch"
  env $GOFLAGS_ENV CGO_ENABLED=0 GOOS="$os" GOARCH="$arch" \
    go build -trimpath \
    -ldflags="-s -w -X webui4frpc/internal/version.Version=$VERSION" \
    -o "$bindir/$bin" "$ROOT/cmd/webui4frpc"
done

# ---- 3. 打包各平台 ----
# 整理 systemd 模板
cat > "$OUT/webui4frpc.service.tpl" <<'TPL'
[Unit]
Description=webui4frpc - visual frpc controller (cluster node)
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
ExecStart=/opt/webui4frpc/webui4frpc -addr 0.0.0.0:7500 -user admin -password admin -workdir /opt/webui4frpc/data
Restart=always
RestartSec=5
LimitNOFILE=65535
NoNewPrivileges=true

[Install]
WantedBy=multi-user.target
TPL

for target in "${TARGETS[@]}"; do
  os="${target%% *}"; arch="${target##* }"
  key="$os-$arch"
  bin="${PLATFORM_BIN[$key]}"
  ext="${PLATFORM_EXT[$key]}"
  base="webui4frpc-${VERSION}-${os}-${arch}"

  echo "==> 打包 $key -> $base.$ext"
  cp "$ROOT/README.md" "$OUT/README.md"
  bindir="$OUT/bin/$key"
  # staging 目录: 把二进制 + README (+systemd) 放一起再一次性打包
  stage="$OUT/.stage/$key"
  rm -rf "$stage"; mkdir -p "$stage"
  cp "$bindir/$bin" "$stage/$bin"
  cp "$OUT/README.md" "$stage/README.md"
  if [ "$ext" = "zip" ]; then
    ( cd "$stage" && zip -q "$OUT/$base.zip" "$bin" README.md )
  else
    cp "$OUT/webui4frpc.service.tpl" "$stage/"
    ( cd "$stage" && tar czf "$OUT/$base.tar.gz" "$bin" README.md webui4frpc.service.tpl )
  fi
done
rm -rf "$OUT/.stage"

# ---- 4. 校验和 ----
# 先生成免安装包的校验和；原生安装包构建完后在 4.6 统一重算，
# 保证 SHA256SUMS 覆盖 deb/rpm/setup.exe/pkg（否则用户校验会 "no file was verified"）。

# ---- 4.5 原生安装包 (deb/rpm/setup.exe/pkg) ----
if [ "${NO_INSTALLERS:-0}" != "1" ]; then
  echo ""
  echo "==> 构建原生安装包"
  "$ROOT/scripts/build_installers.sh" "$VERSION"
fi

# ---- 4.6 校验和（覆盖全部产物）----
echo ""
echo "==> 生成 SHA256SUMS"
( cd "$OUT" && sha256sum *.tar.gz *.zip *.deb *.rpm *-setup.exe *.pkg 2>/dev/null | tee SHA256SUMS )

# ---- 5. 汇总 ----
echo ""
echo "==> 发布产物位于: $OUT"
ls -lh "$OUT"
echo ""
echo "==> 完成"