name: "Regression testing"
on: push

jobs:
  unix-testing:
    strategy:
      matrix:
        os: [ubuntu-16.04, ubuntu-18.04, macos-10.15]
        cc: [gcc, clang]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
      - name: Install deps
        shell: bash
        run: |
          ./.github/actions/install_deps.sh ${{ matrix.os }}
      - name: Build
        run: |
          make -j Q= CC=${{ matrix.cc }}
      - name: Install
        run: |
          sudo make install -j Q=
      - name: Package binaries
        run: |
          tar -Jcf rgbds-canary-${{ matrix.os }}-${{ matrix.cc }}-bins.tar.xz rgb{asm,link,fix,gfx}
      - name: Upload binaries
        uses: actions/upload-artifact@v1
        with:
          name: rgbds-canary-${{ matrix.os }}-${{ matrix.cc }}-bins
          path: rgbds-canary-${{ matrix.os }}-${{ matrix.cc }}-bins.tar.xz
      - name: Test
        shell: bash
        run: |
          test/run-tests.sh

  windows-build:
    strategy:
      matrix:
        bits: [32, 64]
        os: [ubuntu-latest]
        include:
          - bits: 32
            arch: i686
          - bits: 64
            arch: x86-64
    runs-on: ${{ matrix.os }}
    env:
      DIST_DIR: win${{ matrix.bits }}
    steps:
      - uses: actions/checkout@v2
      - name: Install deps
        shell: bash
        run: |
          ./.github/actions/install_deps.sh ${{ matrix.os }}
      - name: Install MinGW
        run: |
          sudo apt-get install gcc-mingw-w64-${{ matrix.arch }} mingw-w64-tools libz-mingw-w64-dev
      - name: Install libpng dev headers for MinGW
        run: |
          sudo ./.github/actions/mingw-w64-libpng-dev.sh ${{ matrix.arch }}
      - name: Build Windows binaries
        run: |
          make mingw${{ matrix.bits }} -j Q=
          mv rgbasm rgbasm.exe
          mv rgblink rgblink.exe
          mv rgbfix rgbfix.exe
          mv rgbgfx rgbgfx.exe
      - name: Package binaries
        run: |
          mkdir $DIST_DIR
          mv *.exe $DIST_DIR
          zip -r ${DIST_DIR}-bins.zip $DIST_DIR
      - name: Upload binaries
        uses: actions/upload-artifact@v1
        with:
          name: win${{ matrix.bits }}-bins
          path: win${{ matrix.bits }}-bins.zip

  dll-build:
    runs-on: windows-2019
    strategy:
      matrix:
        bits: [32, 64]
        include:
          - bits: 32
            vcvars: x86
          - bits: 64
            vcvars: x86_amd64
    steps:
      - name: Download and validate sources
        shell: pwsh
        run: |
          $files = @(
            @{
              Name = "zlib1211.zip"
              Hash = "d7510a8ee1918b7d0cad197a089c0a2cd4d6df05fee22389f67f115e738b178d"
              URI = "http://www.zlib.net/zlib1211.zip"
            }
            @{
              Name = "lpng1637.zip"
              Hash = "3b4b1cbd0bae6822f749d39b1ccadd6297f05e2b85a83dd2ce6ecd7d09eabdf2"
              URI = "https://download.sourceforge.net/libpng/lpng1637.zip"
            }
          )

          $client = New-Object Net.WebClient
          foreach ($file in $files) {
            $client.DownloadFile($file.URI, $file.Name)
            $hash = Get-FileHash -Algorithm SHA256 -Path $file.Name
            if ($hash.Hash.ToLowerInvariant() -ne $file.Hash) {throw $($file.Name + " mismatch: " + $hash.Hash.ToLowerInvariant() + " != " + $file.Hash)}
          }
      - name: Build zlib
        shell: cmd
        run: |
          7z x zlib1211.zip
          move zlib-1.2.11 zlib
          cd zlib
          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.vcvars }}
          nmake -f win32/Makefile.msc all testdll
          copy zlib1.dll ../zlib1.dll
      - name: Build libpng
        shell: cmd
        run: |
          mingw-get install mingw-get
          7z x lpng1637.zip
          move lpng1637 libpng
          cd libpng
          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.vcvars }}
          cp scripts/pnglibconf.h.prebuilt pnglibconf.h
          cp scripts/makefile.vcwin32 makefile
          nmake test ZLIBLIB=.. ZLIBINC=../zlib CPPFLAGS=-I../zlib LDFLAGS=-L..
          nmake install
          copy libpng16.dll ../libpng16.dll
      - name: Package DLLs
        run: |
          7z a dlls.zip *.dll
      - name: Upload DLLs
        uses: actions/upload-artifact@v1
        with:
          name: dlls${{ matrix.bits }}
          path: dlls${{ matrix.bits }}.zip

  windows-testing:
    needs: [windows-build, dll-build]
    strategy:
      matrix:
        bits: [32, 64]
    runs-on: windows-2019
    steps:
      - uses: actions/checkout@v2
      - name: Retrieve binaries
        uses: actions/download-artifact@v1
        with:
          name: win${{ matrix.bits }}-bins
      - name: Retrieve DLLs
        uses: actions/download-artifact@v1
        with:
          name: dlls${{ matrix.bits }}
      - name: Extract
        run: |
          7z e win${{ matrix.bits }}-bins.zip
          7z e dlls${{ matrix.bits }}.zip
      - name: Package Windows release
        run: |
          7z a rgbds-canary-win${{ matrix.bits }}.zip *.exe *.dll
      - name: Upload Windows release
        uses: actions/upload-artifact@v1
        with:
          name: rgbds-canary-win${{ matrix.bits }}
          path: rgbds-canary-win${{ matrix.bits }}.zip
      - name: Run tests
        shell: bash
        run: |
          test/run-tests.sh