name: build

permissions:
  contents: write

on:
  push:
    branches:
      - master
      - 'v*.*.*'
    tags:
      - "*"
  pull_request:
    branches:
      - master

env:
  PROJECT: lua-language-server
  BIN_DIR: bin

jobs:
  compile:
    strategy:
      fail-fast: false
      matrix:
        include:
          - { os: ubuntu-22.04,   target: linux,   platform: linux-x64,   container: 'alpine:latest', libc: musl }
          - { os: ubuntu-20.04,   target: linux,   platform: linux-x64    }
          - { os: ubuntu-20.04,   target: linux,   platform: linux-arm64  }
          - { os: macos-latest,   target: darwin,  platform: darwin-x64   }
          - { os: macos-latest,   target: darwin,  platform: darwin-arm64 }
          - { os: windows-latest, target: windows, platform: win32-ia32   }
          - { os: windows-latest, target: windows, platform: win32-x64    }
    runs-on: ${{ matrix.os }}
    container:
      image: ${{ matrix.container }}
    steps:
      - name: Install aarch64-linux-gnu
        if: ${{ matrix.platform == 'linux-arm64' && matrix.libc != 'musl' }}
        run: |
          sudo apt-get update
          sudo apt-get install -y gcc-aarch64-linux-gnu g++-aarch64-linux-gnu

      - name: Prepare container for musl
        if: ${{ matrix.target == 'linux' && matrix.libc == 'musl' }}
        run: |
          apk update
          apk add git ninja bash build-base nodejs linux-headers

      - name: Prepare for Linux
        if: ${{ matrix.target == 'linux' && matrix.libc != 'musl' }}
        run: |
          sudo apt update
          sudo apt install ninja-build

      - uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Build for Windows
        if: ${{ matrix.target == 'windows' }}
        run: .\make.bat ${{ matrix.platform }}

      - name: Build for Linux
        if: ${{ matrix.target == 'linux' }}
        run: |
          ./make.sh ${{ matrix.platform }}
          
      - name: Build for macOS
        if: ${{ matrix.target == 'darwin' }}
        run: |
          brew install ninja
          ./make.sh ${{ matrix.platform }}

      - name: Build for x64 glibc
        if: ${{ matrix.platform == 'linux-x64' && matrix.libc != 'musl' }}
        run: |
          docker build -t ubuntu-18.04 .
          docker run --rm -v $(pwd):$(pwd) -w $(pwd) ubuntu-18.04 bash -c './make.sh'

      - name: Setting up workflow variables
        id: vars
        shell: bash
        run: |
          # Package version
          if [[ $GITHUB_REF = refs/tags/* ]]; then
            PKG_VERSION=${GITHUB_REF##*/}
          else
            PKG_VERSION=${GITHUB_SHA:0:7}
          fi

          # Package suffix relative to the platform
          if [[ "${{ matrix.target }}" = windows ]]; then
            PKG_SUFFIX="zip"
          else
            PKG_SUFFIX="tar.gz"
          fi

          # Package name w/ version
          PKG_BASENAME="${{ env.PROJECT }}-${PKG_VERSION}-${{ matrix.platform }}"
          if [[ "${{ matrix.libc }}" = musl ]]; then
            PKG_BASENAME="${PKG_BASENAME}-${{matrix.libc}}"
          fi

          # Full name of the tarball asset
          PKG_NAME="${PKG_BASENAME}.${PKG_SUFFIX}"

          # Staging area for tarballs
          PKG_STAGING="ci_staging/$PKG_BASENAME"

          echo PKG_VERSION=${PKG_VERSION}             >> $GITHUB_OUTPUT
          echo PKG_BASENAME=${PKG_BASENAME}           >> $GITHUB_OUTPUT
          echo PKG_NAME=${PKG_NAME}                   >> $GITHUB_OUTPUT
          echo PKG_PATH="${PKG_STAGING}/${PKG_NAME}"  >> $GITHUB_OUTPUT
          echo PKG_STAGING=${PKG_STAGING}             >> $GITHUB_OUTPUT

      - uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.vars.outputs.PKG_BASENAME }}
          path: |
            ${{ env.BIN_DIR }}
            main.lua
            debugger.lua
            LICENSE
            changelog.md
            locale
            doc
            meta
            script

      - name: Package tarballs
        if: startsWith(github.ref, 'refs/tags/')
        shell: bash
        run: |
          STAGING=${{ steps.vars.outputs.PKG_STAGING }}
          NAME=${{ steps.vars.outputs.PKG_NAME }}

          # Making the staging area
          mkdir -p ${STAGING}

          # Copying binary and runtime files to staging area
          cp -r main.lua debugger.lua LICENSE changelog.md locale meta script ${{ env.BIN_DIR }} ${STAGING}

          # Creating release assets
          pushd "${STAGING}/" >/dev/null
          if [[ "${{ matrix.target }}" = windows ]]; then
            7z -y a ${NAME} * | tail -2
          else
            tar czf ${NAME} *
          fi
          popd >/dev/null

      # Packaging submodules for homebrew distribution
      - name: Package submodules
        id: submodules
        if: ${{ startsWith(github.ref, 'refs/tags/') && matrix.platform == 'darwin-x64' }}
        run: |
          STAGING=${{ steps.vars.outputs.PKG_STAGING }}
          PKG_SUBMOD_NAME="${{ env.PROJECT }}-${{ steps.vars.outputs.PKG_VERSION }}-submodules.zip"
          PKG_SUBMOD_PATH="${STAGING}/$PKG_SUBMOD_NAME"

          zip -r $PKG_SUBMOD_PATH ./ -x "*.git*" -x "*.vscode*" -x "build*" -x "${{ env.BIN_DIR }}*" -x "${STAGING}*" -x "3rd/json.lua*" -x "log*" -x "ci_staging*"

          echo PKG_SUBMOD_PATH=${PKG_SUBMOD_PATH} >> $GITHUB_OUTPUT

      - name: Publish release assets
        uses: softprops/action-gh-release@v1
        if: startsWith(github.ref, 'refs/tags/')
        with:
          generate_release_notes: true
          files: |
            ${{ steps.vars.outputs.PKG_PATH }}
            ${{ steps.submodules.outputs.PKG_SUBMOD_PATH }}