name: Build & deploy web version

on:
  push:
    branches: ['main']
  pull_request:
    branches: ['main']
  workflow_dispatch:

concurrency:
  group: 'pages'
  cancel-in-progress: false

jobs:
  deploy:
    name: Build WebAssembly & deploy
    runs-on: docker

    env:
      # Keep in sync with the version table in README.md.
      EMSDK_VERSION: '6.0.6'

    steps:
      - uses: actions/checkout@v7

      - name: Install cmake & friends
        run: |
          set -eo pipefail
          SUDO=""
          [ "$(id -u)" -eq 0 ] || SUDO="sudo"
          $SUDO apt-get update
          $SUDO apt-get install -y --no-install-recommends \
            ca-certificates cmake git ninja-build python3 xz-utils
          cmake --version

      - name: Install Emscripten
        run: |
          set -eo pipefail
          git clone --depth 1 https://github.com/emscripten-core/emsdk.git "$HOME/emsdk"
          cd "$HOME/emsdk"
          ./emsdk install "$EMSDK_VERSION"
          ./emsdk activate "$EMSDK_VERSION"
          . ./emsdk_env.sh
          # emsdk_env.sh only touches this step's shell, so hand the activated
          # toolchain over to the later steps explicitly.
          {
            echo "EMSDK=$EMSDK"
            echo "EMSDK_NODE=$EMSDK_NODE"
            echo "EM_CONFIG=${EM_CONFIG:-$EMSDK/.emscripten}"
            echo "PATH=$PATH"
          } >> "$GITHUB_ENV"

      - name: Configure
        run: emcmake cmake -S . -B build-web -G Ninja -DCMAKE_BUILD_TYPE=Release

      - name: Build
        run: cmake --build build-web

      - name: Check the expected files were produced
        run: |
          set -euo pipefail
          for file in index.html index.js index.wasm index.data; do
            test -s "build-web/web/$file" || { echo "hiányzik: $file"; exit 1; }
          done

      - name: Deploy to nginx pages mount
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        uses: http://forgejo:3000/andras/ci-actions/deploy-pages@main
        with:
          source: build-web/web
          target: platform-game