name: Release S-UI

on:
  workflow_dispatch:
  release:
    types: [published]
  push:
    branches:
      - main
    tags:
      - "*"
    paths:
      - '.github/workflows/release.yml'
      - 'frontend/**'
      - '**.sh'
      - '**.go'
      - 'go.mod'
      - 'go.sum'
      - 's-ui.service'

jobs:
  build-linux:
    strategy:
      matrix:
        platform:
          - amd64
          - arm64
          - armv7
          - armv6
          - armv5
          - 386
          - s390x
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6.0.1
        with:
          submodules: recursive
          fetch-depth: 0

      - name: Setup Go
        uses: actions/setup-go@v6
        with:
          cache: false
          go-version-file: go.mod

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: '22'
          registry-url: 'https://registry.npmjs.org'

      - name: Build frontend
        run: |
          cd frontend
          npm install
          npm run build
          cd ..
          mv frontend/dist web/html
          rm -fr frontend

      - name: Build s-ui
        run: |
          export CGO_ENABLED=1
          export GOOS=linux
          export GOARCH=${{ matrix.platform }}
          # Use Bootlin prebuilt cross-toolchains (musl 1.2.5 in stable series)
          case "${{ matrix.platform }}" in
            amd64) BOOTLIN_ARCH="x86-64" ;;
            arm64) BOOTLIN_ARCH="aarch64" ;;
            armv7) BOOTLIN_ARCH="armv7-eabihf"; export GOARCH=arm GOARM=7 ;;
            armv6) BOOTLIN_ARCH="armv6-eabihf"; export GOARCH=arm GOARM=6 ;;
            armv5) BOOTLIN_ARCH="armv5-eabi"; export GOARCH=arm GOARM=5 ;;
            386) BOOTLIN_ARCH="x86-i686" ;;
            s390x) BOOTLIN_ARCH="s390x-z13" ;;
          esac
          echo "Resolving Bootlin musl toolchain for arch=$BOOTLIN_ARCH (platform=${{ matrix.platform }})"
          TARBALL_BASE="https://toolchains.bootlin.com/downloads/releases/toolchains/$BOOTLIN_ARCH/tarballs/"
          TARBALL_URL=$(curl -fsSL "$TARBALL_BASE" | grep -oE "${BOOTLIN_ARCH}--musl--stable-[^\"]+\\.tar\\.xz" | sort -r | head -n1)
          [ -z "$TARBALL_URL" ] && { echo "Failed to locate Bootlin musl toolchain for arch=$BOOTLIN_ARCH" >&2; exit 1; }
          echo "Downloading: $TARBALL_URL"
          cd /tmp
          curl -fL -sS -o "$(basename "$TARBALL_URL")" "$TARBALL_BASE/$TARBALL_URL"
          tar -xf "$(basename "$TARBALL_URL")"
          TOOLCHAIN_DIR=$(find . -maxdepth 1 -type d -name "${BOOTLIN_ARCH}--musl--stable-*" | head -n1)
          export PATH="$(realpath "$TOOLCHAIN_DIR")/bin:$PATH"
          export CC=$(realpath "$(find "$TOOLCHAIN_DIR/bin" -name '*-gcc.br_real' -type f -executable | head -n1)")
          [ -z "$CC" ] && { echo "No gcc.br_real found in $TOOLCHAIN_DIR/bin" >&2; exit 1; }
          cd -

          ### Build s-ui
          go build -ldflags="-w -s -linkmode external -extldflags '-static'" -tags "with_quic,with_grpc,with_utls,with_acme,with_gvisor" -o sui main.go
          file sui
          ldd sui || echo "Static binary confirmed"

          mkdir s-ui
          cp sui s-ui/
          cp s-ui.service s-ui/
          cp s-ui.sh s-ui/

      - name: Package
        run: tar -zcvf s-ui-linux-${{ matrix.platform }}.tar.gz s-ui

      - name: Upload files to Artifacts
        uses: actions/upload-artifact@v6
        with:
          name: s-ui-linux-${{ matrix.platform }}
          path: ./s-ui-linux-${{ matrix.platform }}.tar.gz
          retention-days: 30

      - name: Upload to Release
        uses: svenstaro/upload-release-action@v2
        if: github.event_name == 'release' && github.event.action == 'published'
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          tag: ${{ github.ref }}
          file: s-ui-linux-${{ matrix.platform }}.tar.gz
          asset_name: s-ui-linux-${{ matrix.platform }}.tar.gz
          prerelease: true
          overwrite: true