name: build

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

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        platform: [ linux, javascript, osx, windows ]
        target: [ release, debug ]
        bits: [ 64, 32 ]
        include:
          - platform: linux
            os: ubuntu-latest
          - platform: javascript
            os: ubuntu-latest
          - platform: osx
            os: macos-latest
          - platform: windows
            os: windows-latest
        exclude:
          - platform: javascript
            bits: 64 # Currently only wasm32 is supported.
          - platform: osx
            bits: 32 # Only 64-bit supported on macOS.
          - platform: windows
            bits: 32 # TODO: Enable 32-bit build on windows-latest.
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: recursive

      - name: Get godot-cpp submodule commit hash
        shell: bash
        env:
          ACTIONS_ALLOW_UNSECURE_COMMANDS: true
        run: |
          echo ::set-env name=GODOT_CPP_COMMIT_HASH::$(git ls-tree HEAD addons/godot_xterm/native/external/godot-cpp -l | cut -d\  -f3)
      - name: Cache godot-cpp bindings
        uses: actions/cache@v2
        id: cache
        env:
          cache-name: cache-godot-cpp
        with:
          path: addons/godot_xterm/native/external/godot-cpp
          key: godot-cpp-${{ matrix.platform }}-${{ matrix.target }}-${{ matrix.bits }}-${{ env.GODOT_CPP_COMMIT_HASH }}
      - name: Cache emscripten
        if: ${{ matrix.platform == 'javascript' }}
        uses: actions/cache@v2
        env:
          cache-name: cache-emscripten
        with:
          path: addons/godot_xterm/native/.emcache
          key: emsdk-cache-${{ matrix.target }}

      # Ubuntu-specific steps.
      - name: Install ubuntu build dependencies
        if: ${{ matrix.os == 'ubuntu-latest' }}
        run: sudo apt-get install -y scons gcc-multilib g++-multilib

      # JavaScript-specific steps.
      - name: Install javascript build dependencies
        if: ${{ matrix.platform == 'javascript' }}
        uses: mymindstorm/setup-emsdk@v9
        with:
          version: 2.0.10
          actions-cache-folder: emsdk-cache-${{ matrix.target }}

      # MacOS-specific steps.
      - name: Install additional macos build dependencies
        if: ${{ matrix.os == 'macos-latest' }}
        run: brew install scons

      # Windows-specific steps.
      - name: Install additional windows build dependencies
        if: ${{ matrix.os == 'windows-latest' }}
        run: python -m pip install scons
      - uses: ilammy/msvc-dev-cmd@v1
        if: ${{ matrix.os == 'windows-latest' }}

      - name: Build godot-cpp bindings
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          cd addons/godot_xterm/native/external/godot-cpp
          scons platform=${{ matrix.platform }} target=${{ matrix.target }} bits=${{ matrix.bits }} generate_bindings=yes -j2

      - name: Build libgodot-xterm
        run: |
          cd addons/godot_xterm/native
          scons platform=${{ matrix.platform }} target=${{ matrix.target }} bits=${{ matrix.bits }} -j2

      - name: Upload build artifacts
        uses: actions/upload-artifact@v2
        with:
          name: libgodot-xterm-${{ matrix.target }}
          path: |
            addons/godot_xterm/native/bin/*.so
            addons/godot_xterm/native/bin/*.wasm
            addons/godot_xterm/native/bin/*.dylib
            addons/godot_xterm/native/bin/*.dll