name: CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  version:
    name: Version
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.compute.outputs.version }}
    steps:
      - name: Checkout
        uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Compute version
        id: compute
        run: |
          base_version=$(grep -oP 'SMEXT_CONF_VERSION\s+"\K[^"]+' Extension/sdk/smsdk_config.h)
          build_number=$(git rev-list --count HEAD)
          echo "version=${base_version}.${build_number}" >> "$GITHUB_OUTPUT"

  build:
    name: sm${{ matrix.sm.label }}-${{ matrix.target.os_name }}-${{ matrix.target.arch }}
    needs: version
    runs-on: ${{ matrix.target.os }}
    container: ${{ matrix.target.container }}
    strategy:
      fail-fast: false
      matrix:
        sm:
          - label: "1.12"
            branch: "1.12-dev"
          - label: "1.13"
            branch: "master"
        target:
          - os: ubuntu-latest
            os_name: linux
            arch: x86
            container: ghcr.io/alliedmodders/build-containers/debian11-clang22:latest
          - os: ubuntu-latest
            os_name: linux
            arch: x86_64
            container: ghcr.io/alliedmodders/build-containers/debian11-clang22:latest
          - os: windows-latest
            os_name: windows
            arch: x86
            msvc_arch: x86
          - os: windows-latest
            os_name: windows
            arch: x86_64
            msvc_arch: amd64

    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Setup Python (Windows)
        if: matrix.target.os_name == 'windows'
        uses: actions/setup-python@v7
        with:
          python-version: '3.12'

      - name: Setup MSVC (Windows)
        if: matrix.target.os_name == 'windows'
        uses: ilammy/msvc-dev-cmd@v1
        with:
          arch: ${{ matrix.target.msvc_arch }}

      - name: Install AMBuild
        if: matrix.target.os_name == 'windows'
        shell: bash
        run: python -m pip install --upgrade git+https://github.com/alliedmodders/ambuild.git

      - name: Clone dependencies
        shell: bash
        run: |
          git config --global --add safe.directory '*'
          git clone --depth 1 --recurse-submodules -j8 --shallow-submodules https://github.com/rlabrecque/SteamworksSDK.git SteamworksSDK
          git clone --depth 1 --recurse-submodules -j8 --shallow-submodules -b 1.12-dev https://github.com/alliedmodders/metamod-source.git mmsource
          git clone --depth 1 --recurse-submodules -j8 --shallow-submodules -b ${{ matrix.sm.branch }} https://github.com/alliedmodders/sourcemod.git sourcemod

      - name: Build (Linux)
        if: matrix.target.os_name == 'linux'
        env:
          CC: clang-22
          CXX: clang++-22
        run: |
          mkdir build && cd build
          python3 ../configure.py \
            --sm-path ../sourcemod \
            --mms-path ../mmsource \
            --steamworks-path ../SteamworksSDK \
            --target ${{ matrix.target.arch }} \
            --version "${{ needs.version.outputs.version }}" \
            --enable-optimize
          ambuild

      - name: Build (Windows)
        if: matrix.target.os_name == 'windows'
        shell: bash
        run: |
          mkdir build && cd build
          python ../configure.py \
            --sm-path ../sourcemod \
            --mms-path ../mmsource \
            --steamworks-path ../SteamworksSDK \
            --target ${{ matrix.target.arch }} \
            --version "${{ needs.version.outputs.version }}" \
            --enable-optimize
          ambuild

      - name: Upload package artifact
        uses: actions/upload-artifact@v7
        with:
          name: pkg-sm${{ matrix.sm.label }}-${{ matrix.target.os_name }}-${{ matrix.target.arch }}
          path: build/package/addons
          if-no-files-found: error

  compile-plugins:
    name: compile-plugins-sm${{ matrix.sm.label }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        sm:
          - label: "1.12"
            branch: "1.12-dev"
          - label: "1.13"
            branch: "master"

    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Clone SourceMod includes
        run: |
          git clone --depth 1 -b ${{ matrix.sm.branch }} https://github.com/alliedmodders/sourcemod.git sourcemod

      - name: Compile Pawn plugins
        run: |
          mkdir -p compiled
          status=0
          for f in Pawn/*.sp; do
            echo "::group::${f}"
            docker run --rm -v "${{ github.workspace }}:/work" -w /work \
              ghcr.io/alliedmodders/sourcemod-spcomp:${{ matrix.sm.branch }} \
              -i Pawn/includes -i sourcemod/plugins/include \
              "${f}" -o "compiled/$(basename "${f%.sp}.smx")" \
              || status=1
            echo "::endgroup::"
          done
          exit "${status}"

  release:
    name: Release
    needs: [version, build]
    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Download artifacts
        uses: actions/download-artifact@v8
        with:
          path: artifacts

      - name: Assemble packages
        id: package
        run: |
          version="${{ needs.version.outputs.version }}"
          echo "version=${version}" >> "$GITHUB_OUTPUT"

          # One package per SourceMod version per OS: Windows as .zip, Linux as
          # .tar.gz. Each merges that combination's per-arch slices (the include
          # file rides along in every slice).
          assets=""
          for label in 1.12 1.13; do
            for os_name in windows linux; do
              dest="package-sm${label}-${os_name}/addons"
              mkdir -p "${dest}"
              for dir in artifacts/pkg-sm${label}-${os_name}-*/; do
                cp -a "${dir}." "${dest}/"
              done
              if [ "${os_name}" = "windows" ]; then
                asset="SteamWorks-${version}-sm${label}-windows.zip"
                (cd "package-sm${label}-${os_name}" && zip -r "../${asset}" addons)
              else
                asset="SteamWorks-${version}-sm${label}-linux.tar.gz"
                tar -czf "${asset}" -C "package-sm${label}-${os_name}" addons
              fi
              assets="${assets} ${asset}"
            done
          done
          echo "assets=${assets# }" >> "$GITHUB_OUTPUT"

      - name: Create release
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          gh release create "v${{ steps.package.outputs.version }}" \
            ${{ steps.package.outputs.assets }} \
            --target "${GITHUB_SHA}" \
            --title "SteamWorks ${{ steps.package.outputs.version }}" \
            --notes "Automated release built from ${GITHUB_SHA}."