name: CI

on:
  push:
  pull_request:
  workflow_dispatch:

# actions/upload-artifact@v5 still runs on Node.js 20. Force Node 24 to
# silence the deprecation warning until upload-artifact ships a Node-24
# release. Drop this once upgraded.
env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

jobs:
  simple_build_linux:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v5
      - name: Get Dependencies
        run: |
          sudo apt-get install -y tcl-dev tk-dev libcairo-dev
      - name: Build
        run: |
          ./configure
          make database/database.h
          make -j$(nproc)
  simple_build_wasm:
    runs-on: ubuntu-22.04
    env:
      # --- emsdk version switch ---------------------------------------------
      # Pinned: post-build.sh patches depend on the exact text output of this
      # Emscripten version. Bump intentionally and re-verify the patches.
      # To test against the latest emsdk, comment the pinned line and
      # uncomment the "latest" line below.
      EMSDK_VERSION: '3.1.56'
      # EMSDK_VERSION: 'latest'
    steps:
      - uses: actions/checkout@v5
      - name: Get Dependencies
        run: |
          git clone https://github.com/emscripten-core/emsdk.git
          cd emsdk
          ./emsdk install "$EMSDK_VERSION"
          ./emsdk activate "$EMSDK_VERSION"
      # Dump native + emscripten preprocessor defines. Useful for diagnosing
      # WASM-build differences after an emsdk bump.
      - name: Emscripten Diagnostic
        run: |
          source ./emsdk/emsdk_env.sh
          echo "===== gcc -dM -E - ====="
          echo | gcc -dM -E - | sort
          echo "===== g++ -dM -E - ====="
          echo | g++ -dM -E - | sort
          echo "===== emcc -dM -E - ====="
          echo | emcc -dM -E - | sort
          echo "===== em++ -dM -E - ====="
          echo | em++ -dM -E - | sort
      - name: Build
        run: |
          source ./emsdk/emsdk_env.sh
          # --without/--disable flags: no WASM library available for these features
          CFLAGS="--std=c17 -D_DEFAULT_SOURCE=1 -DEMSCRIPTEN=1 -g" emconfigure ./configure \
            --without-cairo --without-opengl --without-x --without-tk --without-tcl \
            --disable-readline --disable-compression \
            --host=asmjs-unknown-emscripten \
            --target=asmjs-unknown-emscripten
          # Append WASM linker flags and activate the WASM link target
          cat toolchains/emscripten/defs.mak >> defs.mak
          # Echo the merged defs.mak so CI logs show the exact build config
          echo "===== defs.mak ====="
          cat defs.mak
          echo "===== defs.mak ====="
          # Build in order: techs must exist before mains (--embed-file embeds them)
          emmake make depend
          emmake make -j$(nproc) modules libs
          emmake make techs
          emmake make mains
      - name: Set up Node.js
        uses: actions/setup-node@v5
        with:
          node-version: '22'
      - name: Run example tests
        run: |
          cp magic/magic.js  npm/
          cp magic/magic.wasm npm/
          cd npm && npm run test
      - name: Pack npm package
        run: ./npm/pack.sh
      - name: Upload npm package
        uses: actions/upload-artifact@v5
        with:
          name: magic-vlsi-wasm-npm
          path: ${{ github.workspace }}/npm/*.tgz