#!/usr/bin/env bash
#
# 从 release.sh 的交叉编译产物构建原生安装包：
#   - linux amd64/arm64          →  .deb
#   - linux amd64/arm64          →  .rpm
#   - windows amd64/arm64        →  NSIS .exe 安装器
#   - darwin  amd64/arm64        →  macOS .pkg
#
# 用法: build_installers.sh <version> [arch...]
#   arch 默认: linux amd64 arm64
#
# 在 release.sh 流程内被调用；依赖 dist/artifacts/<version>/bin/<os>-<arch>/ 下的二进制。
set -euo pipefail

VERSION="${1:-0.1.0}"
VERSION="${VERSION#v}"
ROOT="$(cd "$(dirname "$0")/.." && pwd)"
OUT="$ROOT/dist/artifacts/$VERSION"
PKG="$ROOT/packaging"

# 工具检测（缺工具则给出明确提示后跳过该平台）
have() { command -v "$1" >/dev/null 2>&1; }

build_deb() {
  local arch="$1" key="$2" bindir
  bindir="$OUT/bin/linux-$arch"
  [ -x "$bindir/webui4frpc" ] || { echo "  ! 缺二进制 linux-$arch，跳过 deb"; return; }
  local deb=/tmp/w4f-deb-build; rm -rf "$deb"
  mkdir -p "$deb/DEBIAN" "$deb/usr/bin" "$deb/etc/webui4frpc" \
           "$deb/lib/systemd/system" "$deb/usr/share/doc/webui4frpc"
  # control
  cat > "$deb/DEBIAN/control" <<EOF
Package: webui4frpc
Version: $VERSION
Section: net
Priority: optional
Architecture: $arch
Maintainer: JianFeeeee <jianfeeeee@gitcode>
Description: visual frpc controller with token-ring cluster
 A web UI to manage FRP forwards across a cluster of nodes. Single
 statically-linked binary with an embedded Vue frontend. Includes a
 token-ring based cluster for distributed forward management, NIC network
 load sampling, and audit-log CSV export.
Homepage: https://gitcode.com/JianFeeeee/webui4frpc
EOF
  install -m 0755 "$bindir/webui4frpc"            "$deb/usr/bin/webui4frpc"
  install -m 0644 "$PKG/common/webui4frpc.service" "$deb/lib/systemd/system/webui4frpc.service"
  install -m 0640 "$PKG/common/webui4frpc.env"     "$deb/etc/webui4frpc/webui4frpc.env"
  install -m 0644 "$ROOT/README.md"                "$deb/usr/share/doc/webui4frpc/README.md"
  cat > "$deb/usr/share/doc/webui4frpc/copyright" <<'EOF'
webui4frpc - visual frpc controller
Copyright (C) 2026 JianFeeeee
SPDX-License-Identifier: MIT
EOF
  install -m 0755 "$PKG/deb/postinst" "$deb/DEBIAN/postinst"
  install -m 0755 "$PKG/deb/prerm"    "$deb/DEBIAN/prerm"
  install -m 0755 "$PKG/deb/postrm"   "$deb/DEBIAN/postrm"
  echo "/etc/webui4frpc/webui4frpc.env" > "$deb/DEBIAN/conffiles"
  ( cd "$deb" && find usr etc lib -type f -exec md5sum {} \; > DEBIAN/md5sums )
  dpkg-deb -b --root-owner-group "$deb" "$OUT/webui4frpc-${VERSION}-linux-${arch}.deb" >/dev/null
  echo "  ✔ .deb linux/$arch"
}

build_rpm() {
  local arch="$1" rarch key="$2" bindir
  case "$arch" in amd64) rarch=x86_64;; arm64) rarch=aarch64;; *) return;; esac
  bindir="$OUT/bin/linux-$arch"
  [ -x "$bindir/webui4frpc" ] || { echo "  ! 缺二进制 linux-$arch，跳过 rpm"; return; }
  local R=/tmp/w4f-rpmbuild; rm -rf "$R"; mkdir -p "$R"/{BUILD,RPMS,SPECS,SOURCES}
  rpmbuild -bb "$PKG/rpm/webui4frpc.spec" --nodeps --target "$rarch" \
    --define "_topdir $R" \
    --define "_w4f_version $VERSION" \
    --define "_w4f_arch $rarch" \
    --define "_w4f_bin $bindir/webui4frpc" \
    --define "_w4f_service $PKG/common/webui4frpc.service" \
    --define "_w4f_env $PKG/common/webui4frpc.env" \
    --define "_w4f_readme $ROOT/README.md" \
    --define "_unitdir /usr/lib/systemd/system" \
    --define "_sharedstatedir /var/lib" >/tmp/w4f-rpm.log 2>&1 || true
  cp "$R"/RPMS/$rarch/*.rpm "$OUT/webui4frpc-${VERSION}-linux-${rarch}.rpm" 2>/dev/null \
    && echo "  ✔ .rpm linux/$rarch" || { echo "  ! rpm 失败: $(tail -3 /tmp/w4f-rpm.log)"; }
}

build_nsis() {
  local arch="$1" key="$2" bindir
  bindir="$OUT/bin/windows-$arch"
  [ -f "$bindir/webui4frpc.exe" ] || { echo "  ! 缺二进制 windows-$arch，跳过 NSIS"; return; }
  [ -f "$PKG/windows/LICENSE.txt" ] || { echo "  ! 缺 $PKG/windows/LICENSE.txt"; return; }
  cp -f "$ROOT/README.md" "$PKG/windows/README.md"
  makensis "-DVERSION=$VERSION" "-DARCH=$arch" \
    "-DBINSRC=$bindir/webui4frpc.exe" \
    "-DOUTFILE=$OUT/webui4frpc-${VERSION}-windows-${arch}-setup.exe" \
    "$PKG/windows/webui4frpc.nsi" >/tmp/w4f-nsis.log 2>&1 \
    && echo "  ✔ NSIS setup.exe windows/$arch" \
    || { echo "  ! NSIS 失败: $(tail -4 /tmp/w4f-nsis.log)"; }
}

build_pkg() {
  local arch="$1" key="$2" bindir
  bindir="$OUT/bin/darwin-$arch"
  [ -x "$bindir/webui4frpc" ] || { echo "  ! 缺二进制 darwin-$arch，跳过 pkg"; return; }
  "$PKG/macos/build_pkg.sh" "$VERSION" "$arch" \
    "$bindir/webui4frpc" \
    "$OUT/webui4frpc-${VERSION}-darwin-${arch}.pkg" >/dev/null \
    && echo "  ✔ .pkg darwin/$arch" \
    || echo "  ! macOS pkg 失败 darwin/$arch"
}

ARCHES=("${@:2}")
[ ${#ARCHES[@]} -eq 0 ] && ARCHES=(amd64 arm64)

echo "==> 原生安装包 (v$VERSION):"
for arch in "${ARCHES[@]}"; do
  key="linux-$arch"
  if have dpkg-deb; then build_deb "$arch" "$key"; else echo "  . dpkg-deb 不可用，跳过 deb"; fi
  if have rpmbuild; then build_rpm "$arch" "$key"; else echo "  . rpmbuild 不可用，跳过 rpm"; fi
done
if have makensis; then
  for arch in "${ARCHES[@]}"; do build_nsis "$arch" "windows-$arch"; done
else
  echo "  . makensis 不可用，跳过 windows setup.exe"
fi
if have xar && have mkbom && have cpio; then
  for arch in "${ARCHES[@]}"; do build_pkg "$arch" "darwin-$arch"; done
else
  echo "  . xar/mkbom 不可用，跳过 macOS pkg"
fi

echo ""
echo "==> 安装包产物:"
ls -lh "$OUT"/*.deb "$OUT"/*.rpm "$OUT"/*-setup.exe "$OUT"/*.pkg 2>/dev/null || true