name: build
run-name: ${{ startsWith(github.ref, 'refs/tags/v') && format('Release {0}', github.ref_name) || null }}

on:
  workflow_dispatch:
  push:
    tags:
      - v[0-9]+*
    # branches:
    #   - master
    # paths:
    #   - 'ip2net/**'
    #   - 'mdig/**'
    #   - 'nfq/**'
    #   - 'tpws/**'

jobs:
  build-linux:
    name: Linux ${{ matrix.arch }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - arch: arm64
            tool: aarch64-unknown-linux-musl
          - arch: arm
            tool: arm-unknown-linux-musleabi
          # - arch: armhf
          #   tool: arm-unknown-linux-musleabihf
          # - arch: armv7
          #   tool: armv7-unknown-linux-musleabi
          # - arch: armv7hf
          #   tool: armv7-unknown-linux-musleabihf
          # - arch: mips64el
          #   tool: mips64el-unknown-linux-musl
          - arch: mips64
            tool: mips64-unknown-linux-musl
          # - arch: mipsel
          #   tool: mipsel-unknown-linux-musl
          - arch: mipselsf
            tool: mipsel-unknown-linux-muslsf
          # - arch: mips
          #   tool: mips-unknown-linux-musl
          - arch: mipssf
            tool: mips-unknown-linux-muslsf
          # - arch: ppc64
          #   tool: powerpc64-unknown-linux-musl
          - arch: ppc
            tool: powerpc-unknown-linux-musl
          - arch: x86
            tool: i586-unknown-linux-musl
          - arch: x86_64
            tool: x86_64-unknown-linux-musl
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          path: zapret

      - name: Set up build tools
        env:
          REPO: 'spvkgn/musl-cross'
          TOOL: ${{ matrix.tool }}
        run: |
          sudo apt update -qq && sudo apt install -y libcap-dev
          mkdir -p $HOME/tools
          wget -qO- https://github.com/$REPO/releases/download/latest/$TOOL.tar.xz | tar -C $HOME/tools -xJ || exit 1
          [ -d "$HOME/tools/$TOOL/bin" ] && echo "$HOME/tools/$TOOL/bin" >> $GITHUB_PATH

      - name: Build
        env:
          ARCH: ${{ matrix.arch }}
          TARGET: ${{ matrix.tool }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          DEPS_DIR=$GITHUB_WORKSPACE/deps
          export CC="$TARGET-gcc"
          export LD=$TARGET-ld
          export AR=$TARGET-ar
          export NM=$TARGET-nm
          export STRIP=$TARGET-strip
          export PKG_CONFIG_PATH=$DEPS_DIR/lib/pkgconfig

          # optimize for size
          export CFLAGS="-Os -flto=auto"
          export LDFLAGS="-Os"

          # netfilter libs
          git clone --depth 1 -b libmnl-1.0.5 git://git.netfilter.org/libmnl
          git clone --depth 1 -b libnfnetlink-1.0.2 git://git.netfilter.org/libnfnetlink
          git clone --depth 1 -b libnetfilter_queue-1.0.5 git://git.netfilter.org/libnetfilter_queue

          for i in libmnl libnfnetlink libnetfilter_queue ; do
            (
              cd $i
              ./autogen.sh && \
              ./configure --prefix= --host=$TARGET --enable-static --disable-shared && \
              make install -j$(nproc) DESTDIR=$DEPS_DIR
            )
            sed -i "s|^prefix=.*|prefix=$DEPS_DIR|g" $DEPS_DIR/lib/pkgconfig/$i.pc
          done

          # zlib
          gh api repos/madler/zlib/releases/latest --jq '.tag_name' |\
            xargs -I{} wget -qO- https://github.com/madler/zlib/archive/refs/tags/{}.tar.gz | tar -xz
          (
            cd zlib-*
            ./configure --prefix= --static && \
            make install -j$(nproc) DESTDIR=$DEPS_DIR
          )

          # headers
          # wget https://git.alpinelinux.org/aports/plain/main/bsd-compat-headers/queue.h && \
          # wget https://git.kernel.org/pub/scm/libs/libcap/libcap.git/plain/libcap/include/sys/capability.h && \
          install -Dm644 -t $DEPS_DIR/include/sys /usr/include/x86_64-linux-gnu/sys/queue.h /usr/include/sys/capability.h

          # zapret
          CFLAGS="$CFLAGS -static-libgcc -static -I$DEPS_DIR/include" \
          LDFLAGS="$LDFLAGS -L$DEPS_DIR/lib" \
          make -C zapret -j$(nproc)
          tar -C zapret/binaries/my -cJf zapret-linux-$ARCH.tar.xz .

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: zapret-linux-${{ matrix.arch }}
          path: zapret-*.tar.xz
          if-no-files-found: error

  build-macos:
    name: macOS
    runs-on: macos-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Build zapret
        run: |
          make mac -j$(sysctl -n hw.logicalcpu)
          tar -C binaries/my -cJf zapret-mac-x64.tar.xz .

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: zapret-mac-x64
          path: zapret-*.tar.xz
          if-no-files-found: error

  build-freebsd:
    name: FreeBSD ${{ matrix.arch }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - target: x86_64
            arch: x86_64
          # - target: i386
          #   arch: x86
    container:
      image: empterdose/freebsd-cross-build:11.4
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install packages
        run: apk add tar xz

      - name: Build zapret
        env:
          TARGET: ${{ matrix.target }}
          ARCH: ${{ matrix.arch }}
        run: |
          settarget $TARGET-freebsd11 make bsd -j$(nproc) || exit 1
          tar -C binaries/my -cJf zapret-freebsd-$ARCH.tar.xz .

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: zapret-freebsd-${{ matrix.arch }}
          path: zapret-*.tar.xz
          if-no-files-found: error

  build-windows:
    name: Windows ${{ matrix.arch }}
    runs-on: windows-latest
    strategy:
      fail-fast: false
      matrix:
        arch: [ x86_64, x86 ]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          path: zapret

      - name: Set up MinGW
        uses: msys2/setup-msys2@v2
        with:
          msystem: ${{ matrix.arch == 'x86_64' && 'MINGW64' || 'MINGW32' }}
          install: >-
            ${{ matrix.arch == 'x86_64' && 'mingw-w64-x86_64-toolchain' || 'mingw-w64-i686-toolchain' }}

      - name: Build ip2net, mdig
        shell: msys2 {0}
        run: |
          mkdir -p output
          cd zapret
          mingw32-make -C ip2net win
          mingw32-make -C mdig win
          cp -a {ip2net/ip2net,mdig/mdig}.exe ../output

      - name: Restore psmisc from cache
        id: cache-restore-psmisc
        uses: actions/cache/restore@v4
        with:
          path: ${{ github.workspace }}/psmisc
          key: psmisc-${{ matrix.arch }}

      - name: Set up Cygwin
        env:
          PACKAGES: ${{ steps.cache-restore-psmisc.outputs.cache-hit != 'true' && 'cygport gettext-devel libiconv-devel libncurses-devel' || null }}
        uses: cygwin/cygwin-install-action@v4
        with:
          platform: ${{ matrix.arch }}
          site: ${{ matrix.arch == 'x86_64' && 'http://ctm.crouchingtigerhiddenfruitbat.org/pub/cygwin/circa/64bit/2024/01/30/231215' || null }}
          check-sig: ${{ matrix.arch == 'x86_64' && 'false' || null }}
          packages: >-
            gcc-core
            make
            zlib-devel
            zip
            unzip
            wget
            ${{ env.PACKAGES }}

      - name: Build psmisc
        if: steps.cache-restore-psmisc.outputs.cache-hit != 'true'
        env:
          URL: https://mirrors.kernel.org/sourceware/cygwin/x86_64/release/psmisc
        shell: C:\cygwin\bin\bash.exe -eo pipefail '{0}'
        run: >-
          export MAKEFLAGS=-j$(nproc) &&
          mkdir -p psmisc && cd psmisc &&
          wget -qO- ${URL} | grep -Po 'href=\"\Kpsmisc-(\d+\.)+\d+.+src\.tar\.xz(?=\")' | xargs -I{} wget -O- ${URL}/{} | tar -xJ &&
          cd psmisc-*.src &&
          echo CYGCONF_ARGS+=\" --disable-dependency-tracking --disable-nls\" >> psmisc.cygport &&
          cygport psmisc.cygport prep compile install

      - name: Save psmisc to cache
        if: steps.cache-restore-psmisc.outputs.cache-hit != 'true'
        uses: actions/cache/save@v4
        with:
          path: ${{ github.workspace }}/psmisc
          key: psmisc-${{ matrix.arch }}

      - name: Build winws
        env:
          TARGET: ${{ matrix.arch == 'x86_64' && 'cygwin' || 'cygwin32' }}
        shell: C:\cygwin\bin\bash.exe -eo pipefail '{0}'
        run: >-
          export MAKEFLAGS=-j$(nproc) &&
          cd zapret &&
          make -C nfq ${TARGET} &&
          cp -a nfq/winws.exe ../output

      - name: Create zip
        env:
          BITS: ${{ matrix.arch == 'x86_64' && '64' || '32' }}
          DIR: ${{ matrix.arch == 'x86_64' && 'x64' || 'x86' }}
        shell: C:\cygwin\bin\bash.exe -e '{0}'
        run: >-
          cp -a -t output psmisc/psmisc-*.src/psmisc-*/inst/usr/bin/killall.exe /usr/bin/cygwin1.dll &&
          wget -O WinDivert.zip https://github.com/basil00/WinDivert/releases/download/v2.2.2/WinDivert-2.2.2-A.zip &&
          unzip -j WinDivert.zip "*/${DIR}/WinDivert.dll" "*/${DIR}/WinDivert${BITS}.sys" -d output &&
          zip zapret-win-${{ matrix.arch }}.zip -j output/*

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: zapret-win-${{ matrix.arch }}
          path: zapret-*.zip
          if-no-files-found: error

  release:
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
    needs: [ build-linux, build-windows, build-macos, build-freebsd ]
    permissions:
      contents: write
    runs-on: ubuntu-latest
    env:
      repo_dir: zapret-${{ github.ref_name }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          path: ${{ env.repo_dir }}

      - name: Download artifacts
        uses: actions/download-artifact@v4
        id: bins
        with:
          path: ${{ env.repo_dir }}/binaries
          pattern: zapret-*

      - name: Install upx
        uses: crazy-max/ghaction-upx@v3
        with:
          install-only: true

      - name: Prepare binaries
        shell: bash
        run: |
          cd ${{ steps.bins.outputs.download-path }}
          run_upx() {
            upx --best --lzma $@ || true
          }
          run_dir() {
            for f in $dir/* ; do
              # extract binaries
              case $f in
                *.tar.xz )
                  tar -C $dir -xvf $f && rm $f
                  if [[ $dir == *-linux-x86_64 ]]; then
                    tar -C $dir -czvf $dir/tpws_wsl.tgz tpws
                    run_upx $dir/*
                  elif [[ $dir =~ linux ]] && [[ $dir != *-linux-mips64 ]]; then
                    run_upx $dir/*
                  fi
                  ;;
                *.zip )
                  unzip $f -d $dir && rm $f
                  if [[ $dir =~ win ]]; then
                    chmod -x $dir/*
                    run_upx --force $dir/cygwin1.dll
                  fi
                  ;;
              esac
            done
            mv $dir $1
          }
          for dir in * ; do
            if [ -d $dir ]; then
              echo "Processing $dir"
              case $dir in
                *-freebsd-x86_64 ) run_dir freebsd-x64 ;;
                *-linux-arm )      run_dir arm ;;
                *-linux-arm64 )    run_dir aarch64 ;;
                *-linux-mips64 )   run_dir mips64r2-msb ;;
                *-linux-mipselsf ) run_dir mips32r1-lsb ;;
                *-linux-mipssf )   run_dir mips32r1-msb ;;
                *-linux-ppc )      run_dir ppc ;;
                *-linux-x86 )      run_dir x86 ;;
                *-linux-x86_64 )   run_dir x86_64 ;;
                *-mac-x64 )        run_dir mac64 ;;
                *-win-x86 )        run_dir win32 ;;
                *-win-x86_64 )     run_dir win64 ;;
              esac
            fi
          done
          ls -lhR

      - name: Create release bundles
        run: |
          rm -rf ${{ env.repo_dir }}/.git*
          tar -czf ${{ env.repo_dir }}.tar.gz ${{ env.repo_dir }}
          zip -qr ${{ env.repo_dir }}.zip ${{ env.repo_dir }}

      - name: Upload release assets
        uses: softprops/action-gh-release@v2
        with:
          fail_on_unmatched_files: true
          prerelease: false
          draft: false
          body: |
            ### zapret ${{ github.ref_name }}
          files: |
            zapret*.tar.gz
            zapret*.zip