name: 🌐 Web builds
on:
  workflow_call:
    inputs:
      godot-treeish:
        description: A tag, branch or commit hash in the Godot repository.
        type: string
        default: master
      limboai-treeish:
        description: A tag, branch or commit hash in the LimboAI repository.
        type: string
        default: master

  workflow_dispatch:
    inputs:
      godot-treeish:
        description: A tag, branch or commit hash in the Godot repository.
        type: string
        default: master
      limboai-treeish:
        description: A tag, branch or commit hash in the LimboAI repository.
        type: string
        default: master

# Global Settings
env:
  SCONS_CACHE_LIMIT: 4096
  # With `lto=full` VM seems to run out of ram and build fails
  SCONSFLAGS: use_static_cpp=yes debug_symbols=no lto=thin optimize=size verbose=yes warnings=extra werror=yes tests=no
  EM_VERSION: 3.1.45
  EM_CACHE_FOLDER: "emsdk-cache"

jobs:
  # Workaround for issue: https://github.com/mymindstorm/setup-emsdk/issues/20
  init-emscripten:
    name: Init Emscripten
    runs-on: "ubuntu-20.04"
    steps:
      - name: Set up Emscripten
        uses: mymindstorm/setup-emsdk@v12
        with:
          version: ${{env.EM_VERSION}}
          actions-cache-folder: ${{env.EM_CACHE_FOLDER}}

  web-builds:
    runs-on: "ubuntu-20.04"
    name: ${{ matrix.name }}
    needs: init-emscripten
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: Template (release)
            target: template_release
            dlink_enabled: false

          - name: Template (release, dlink_enabled=true)
            target: template_release
            dlink_enabled: true

          - name: Template (debug)
            target: template_debug
            dlink_enabled: false

          - name: Template (debug, dlink_enabled=true)
            target: template_debug
            dlink_enabled: true

    env:
      CACHE_NAME: godot.web.${{matrix.target}}${{  matrix.dlink_enabled == true && '.dlink' || ''  }}

    steps:
      - name: Clone Godot
        uses: actions/checkout@v4
        with:
          repository: godotengine/godot
          ref: ${{ inputs.godot-treeish }}

      - name: Clone LimboAI module
        uses: actions/checkout@v4
        with:
          path: modules/limboai
          ref: ${{ inputs.limboai-treeish }}

      # Inits GODOT_VERSION, LIMBOAI_VERSION and NAME_PREFIX environment variables.
      - uses: ./modules/limboai/.github/actions/init-version

      # - name: Set up Emscripten cache
      #   uses: actions/cache@v3
      #   with:
      #     path: ${{env.EM_CACHE_FOLDER}}
      #     key: ${{env.EM_VERSION}}-${{runner.os}}-libs

      - name: Set up Emscripten
        uses: mymindstorm/setup-emsdk@v12
        with:
          version: ${{env.EM_VERSION}}
          actions-cache-folder: ${{env.EM_CACHE_FOLDER}}

      - name: Verify Emscripten setup
        run: |
          emcc -v

      - name: Set up scons
        run: |
          python -c "import sys; print(sys.version)"
          python -m pip install scons==4.4.0
          python --version
          scons --version

      - name: Set up scons cache
        uses: actions/cache@v3
        with:
          path: ${{github.workspace}}/.scons_cache/
          key: ${{env.CACHE_NAME}}-${{inputs.godot-treeish}}-${{inputs.limboai-treeish}}-${{env.LIMBOAI_VERSION}}
          restore-keys: |
            ${{env.CACHE_NAME}}-${{inputs.godot-treeish}}-${{inputs.limboai-treeish}}-${{env.LIMBOAI_VERSION}}
            ${{env.CACHE_NAME}}-${{inputs.godot-treeish}}-${{inputs.limboai-treeish}}
            ${{env.CACHE_NAME}}-${{inputs.godot-treeish}}

      - name: Compilation
        env:
          SCONS_CACHE: ${{github.workspace}}/.scons_cache/
        run: |
          scons platform=web target=${{matrix.target}} dlink_enabled=${{matrix.dlink_enabled}} ${{env.SCONSFLAGS}}

      - name: Prepare artifacts
        run: |
          mkdir -p out/templates/
          mv bin/godot.web.template_release.wasm32.zip out/templates/web_release.zip || true
          mv bin/godot.web.template_release.wasm32.dlink.zip out/templates/web_dlink_release.zip || true
          mv bin/godot.web.template_debug.wasm32.zip out/templates/web_debug.zip || true
          mv bin/godot.web.template_debug.wasm32.dlink.zip out/templates/web_dlink_debug.zip || true
          rm -rf bin/
          echo "${GODOT_VERSION}.limboai+${LIMBOAI_VERSION}" > out/templates/version.txt

      - name: Upload artifact
        uses: actions/upload-artifact@v3
        with:
          name: ${{env.NAME_PREFIX}}.export-templates
          path: out/*