---
name: CI-Archlinux
permissions:
  contents: read

on:
  workflow_call:
    inputs:
      release_commit:
        required: true
        type: string
      release_version:
        required: true
        type: string

jobs:
  build_archlinux:
    name: Archlinux
    env:
      _use_cuda: true
      _run_unit_tests: true
      _support_headless_testing: true
      BRANCH: ${{ github.head_ref || github.ref_name }}
      BUILD_VERSION: ${{ inputs.release_version }}
      CLONE_URL: ${{ github.event.repository.clone_url }}
      COMMIT: ${{ inputs.release_commit }}
    runs-on: ubuntu-latest
    container:
      image: archlinux/archlinux:base-devel
      options: --cpus 4 --memory 8g
    steps:

      - name: Update keyring
        shell: bash
        run: |
          # Update keyring to avoid signature errors, and update system
          pacman -Syy --disable-download-timeout --needed --noconfirm \
            archlinux-keyring
          pacman -Syu --disable-download-timeout --noconfirm
          pacman -Scc --noconfirm

      - name: Setup builder user
        shell: bash
        run: |
          # arch prevents running makepkg as root
          useradd -m builder
          echo 'builder ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers

      - name: Patch build flags
        shell: bash
        run: |
          # shellcheck disable=SC2016
          sed -i 's,#MAKEFLAGS="-j2",MAKEFLAGS="-j$(nproc)",g' /etc/makepkg.conf

      - name: Install dependencies
        shell: bash
        run: |
          pacman -Syu --disable-download-timeout --needed --noconfirm \
            base-devel \
            cmake \
            cuda \
            git \
            namcap \
            xorg-server-xvfb
          pacman -Scc --noconfirm

      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2

      - name: Fix workspace permissions
        shell: bash
        run: |
          # Give builder user ownership of the workspace
          chown -R builder:builder "${GITHUB_WORKSPACE}"

      - name: Configure PKGBUILD
        shell: bash
        run: |
          # Calculate sub_version
          sub_version=""
          if [[ "${BRANCH}" != "master" ]]; then
            sub_version=".r${COMMIT}"
          fi

          # Configure PKGBUILD file (as root)
          mkdir -p build
          cd build
          cmake \
            -DSUNSHINE_CONFIGURE_ONLY=ON \
            -DSUNSHINE_CONFIGURE_PKGBUILD=ON \
            -DSUNSHINE_SUB_VERSION="${sub_version}" \
            ..

          # Make sure builder can read from build directory
          chmod -R a+rX "${GITHUB_WORKSPACE}/build"

      - name: Prepare PKGBUILD Package
        shell: bash
        run: |
          # Create pkg directory and move files (as root)
          mkdir -p pkg
          mv build/PKGBUILD pkg/
          mv build/sunshine.install pkg/

          # Change ownership to builder
          chown -R builder:builder pkg

          # Run makepkg as builder user
          cd pkg
          sudo -u builder makepkg --printsrcinfo | tee .SRCINFO

          # create a PKGBUILD archive
          cd ..
          tar -czf sunshine.pkg.tar.gz -C pkg .

      - name: Build PKGBUILD
        env:
          DISPLAY: :1
        id: build
        shell: bash
        working-directory: pkg
        run: |
          # Add problem matcher
          echo "::add-matcher::.github/matchers/gcc.json"

          source /etc/profile  # ensure cuda is in the PATH

          # Run Xvfb for headless testing
          Xvfb "${DISPLAY}" -screen 0 1024x768x24 &

          # Check PKGBUILD
          sudo -u builder namcap -i PKGBUILD

          # Export PKGBUILD options so they're available to makepkg
          export _use_cuda="${_use_cuda}"
          export _run_unit_tests="${_run_unit_tests}"
          export _support_headless_testing="${_support_headless_testing}"

          # Build the package as builder user (pass through environment variables)
          sudo -u builder env \
            _use_cuda="${_use_cuda}" \
            _run_unit_tests="${_run_unit_tests}" \
            _support_headless_testing="${_support_headless_testing}" \
            makepkg -si --noconfirm

          # Remove debug package
          rm -f sunshine-debug*.pkg.tar.zst

          # Remove problem matcher
          echo "::remove-matcher owner=gcc::"

      - name: Upload coverage artifact
        if: >-
          always() &&
          (steps.build.outcome == 'success' || steps.build.outcome == 'failure')
        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f  # v6.0.0
        with:
          name: coverage-Archlinux
          path: |
            pkg/src/build/coverage.xml
            pkg/src/build/tests/test_results.xml
          if-no-files-found: error

      - name: Copy Artifacts
        shell: bash
        run: |
          # create artifacts directory
          mkdir -p artifacts

          # Copy built packages to artifacts
          cp pkg/sunshine*.pkg.tar.zst artifacts/
          cp sunshine.pkg.tar.gz artifacts/

          # List artifacts
          ls -la artifacts/

      - name: Upload Artifacts
        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f  # v6.0.0
        with:
          name: build-Archlinux
          path: artifacts/
          if-no-files-found: error