name: apple
on:
  push:
    branches:
      - master
    tags:
      - '*'
  pull_request: {}
  workflow_dispatch:

jobs:
  build:

    strategy:
      fail-fast: true
      matrix:
        platform: [iPhoneOS, MacOSX]
        arch: [arm64, x86_64]
        exclude:
          - platform: iPhoneOS
            arch: x86_64
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          submodules: true
      - id: sysroot
        uses: ASzc/change-string-case-action@v1
        with:
          string: ${{ matrix.platform }}
      - name: Download cctools
        run: |
          cd /opt
          wget https://github.com/supertuxkart/dependencies/releases/download/preview/cctools.tar.xz
          tar xf cctools.tar.xz
      - name: Restore timestamps
        run: |
          wget https://github.com/MestreLion/git-tools/archive/refs/heads/main.zip
          unzip main.zip
          python git-tools-main/git-restore-mtime
      - name: List build cache restore keys
        run: |
          # Look for the last 9 build caches (GitHub supports max 10 including current one)
          for number in 1 2 3 4 5 6 7 8 9
          do
            id=$((${{ github.run_number }} - number))
            echo "cache_$number=apple-${{ github.ref }}-${{ matrix.arch }}-${{ matrix.platform }}-$id" >> $GITHUB_ENV
          done
      - name: Handle build cache
        uses: actions/cache@v2
        with:
          path: |
            build
          key: apple-${{ github.ref }}-${{ matrix.arch }}-${{ matrix.platform }}-${{ github.run_number }}
          restore-keys: |
            ${{ env.cache_1 }}
            ${{ env.cache_2 }}
            ${{ env.cache_3 }}
            ${{ env.cache_4 }}
            ${{ env.cache_5 }}
            ${{ env.cache_6 }}
            ${{ env.cache_7 }}
            ${{ env.cache_8 }}
            ${{ env.cache_9 }}
      - name: Download dependencies
        run: |
          wget https://github.com/supertuxkart/dependencies/releases/download/preview/dependencies-${{ steps.sysroot.outputs.lowercase }}.tar.xz
          tar xf dependencies-${{ steps.sysroot.outputs.lowercase }}.tar.xz
      - name: Configure clang runtime name
        run: |
          if [ ${{ matrix.platform }} = "MacOSX" ]; then
            echo "rt=osx" >> $GITHUB_ENV
          elif [ ${{ matrix.platform }} = "iPhoneOS" ]; then
            echo "rt=ios" >> $GITHUB_ENV
          elif [ ${{ matrix.platform }} = "AppleTVOS" ]; then
            echo "rt=tvos" >> $GITHUB_ENV
          elif [ ${{ matrix.platform }} = "iPhoneSimulator" ]; then
            echo "rt=iossim" >> $GITHUB_ENV
          elif [ ${{ matrix.platform }} = "AppleTVSimulator" ]; then
            echo "rt=tvossim" >> $GITHUB_ENV
          fi
      - name: Configure bulid
        run: |
          mkdir -p build
          cd build
          cmake .. -DCCTOOLS_PREFIX=/opt/cctools -DCCTOOLS_ARCH=${{ matrix.arch }} -DCCTOOLS_PLATFORM=${{ matrix.platform }} \
          -DRT=/opt/cctools/darwin/libclang_rt.${{ env.rt }}.a -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchain-cctools.cmake -DCHECK_ASSETS=OFF
      - name: Build
        run: |
          cd build
          make -j4
          mv bin ../${{ steps.sysroot.outputs.lowercase }}-${{ matrix.arch }}
      - name: Upload binaries
        uses: actions/upload-artifact@v2
        with:
          name: ${{ steps.sysroot.outputs.lowercase }}-${{ matrix.arch }}
          path: ${{ steps.sysroot.outputs.lowercase }}-${{ matrix.arch }}
  packaging:
    name: Packaging STK
    needs: build
    runs-on: macos-latest
    steps:
      - name: Configure packaging name for git master branch
        if: ${{ github.ref == 'refs/heads/master' }}
        run: |
          echo "release_tag=git`date +%Y%m%d`" >> $GITHUB_ENV
          echo "release_name=preview" >> $GITHUB_ENV
      - name: Configure packaging name for tag
        if: ${{ startsWith(github.ref, 'refs/tags/') }}
        run: |
          echo "release_tag=`basename $GITHUB_REF`" >> $GITHUB_ENV
          echo "release_name=`basename $GITHUB_REF`" >> $GITHUB_ENV
      - name: Configure packaging name for non-releasing branch
        if: ${{ (github.ref != 'refs/heads/master' && !startsWith(github.ref, 'refs/tags/')) || github.repository_owner != 'supertuxkart' }}
        run: |
          echo "release_tag=" >> $GITHUB_ENV
          echo "release_name=" >> $GITHUB_ENV
      - name: Check for prerelease
        if: ${{ github.ref == 'refs/heads/master' || contains(github.ref, 'rc') || contains(github.ref, 'beta') }}
        run: |
          echo "release_pre=true" >> $GITHUB_ENV
      - name: Check for non-prerelease
        if: ${{ github.ref != 'refs/heads/master' && !contains(github.ref, 'rc') && !contains(github.ref, 'beta') }}
        run: |
          echo "release_pre=false" >> $GITHUB_ENV
      - name: Show packaging name
        run : |
          echo "${{ env.release_tag }}"
          echo "${{ env.release_name }}"
          echo "${{ env.release_pre }}"
      - name: Download binaries
        uses: actions/download-artifact@v2
      - name: Run dylibbundler and archive
        if: ${{ env.release_tag != '' }}
        run: |
          wget https://github.com/supertuxkart/dependencies/releases/download/preview/dependencies-macosx.tar.xz
          tar xf dependencies-macosx.tar.xz
          HOMEBREW_NO_AUTO_UPDATE=1 brew install dylibbundler
          lipo -create ./macosx-x86_64/supertuxkart.app/Contents/MacOS/supertuxkart ./macosx-arm64/supertuxkart.app/Contents/MacOS/supertuxkart -output ./macosx-arm64/supertuxkart.app/Contents/MacOS/supertuxkart
          chmod 755 ./macosx-arm64/supertuxkart.app/Contents/MacOS/supertuxkart
          dylibbundler -od -b -x ./macosx-arm64/supertuxkart.app/Contents/MacOS/supertuxkart -d ./macosx-arm64/supertuxkart.app/Contents/libs/ -p @executable_path/../libs/ -s dependencies-macosx/lib
          # We use SDL_Vulkan_LoadLibrary for 10.9 compatibility, so otool -L supertuxkart has no libMoltenVK.dylib
          cp ./dependencies-macosx/lib/libMoltenVK.dylib ./macosx-arm64/supertuxkart.app/Contents/libs/
          cd ./macosx-arm64/supertuxkart.app/Contents/Resources/data
          wget https://github.com/supertuxkart/stk-assets-mobile/releases/download/git/stk-assets-full.zip
          unzip stk-assets-full.zip
          rm stk-assets-full.zip
          cd ../../../../..
          mv ./macosx-arm64/supertuxkart.app SuperTuxKart.app
          # Use Ad Hoc certificate for now, use Apple developer certificate after STK is on App Store later
          codesign --force -s - SuperTuxKart.app/Contents/libs/*.dylib
          codesign --force --deep -s - SuperTuxKart.app
          zip -r SuperTuxKart-${{ env.release_tag }}-mac.zip SuperTuxKart.app
      - name: Create release
        if: ${{ env.release_tag != '' }}
        uses: ncipollo/release-action@v1.8.8
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          artifacts: "SuperTuxKart*.zip"
          tag: ${{ env.release_name }}
          omitBodyDuringUpdate: true
          omitNameDuringUpdate: true
          allowUpdates: true
          prerelease: ${{ env.release_pre }}