unity-upm-release.yml

name: Unity UPM Release

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  checkSemver:
    name: Check for Semver Change
    runs-on: ubuntu-latest
    outputs:
      semver-updated: ${{ steps.check.outputs.changed }}
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4
      - uses: EndBug/version-check@v1
        id: check
        with:
          file-name: integrations/Unity/package.json
          diff-search: true
          token: ${{ secrets.GITHUB_TOKEN }}
      - name: Log when changed
        if: steps.check.outputs.changed == 'true'
        run: 'echo "Version change found in commit ${{ steps.check.outputs.commit }}! New version: ${{ steps.check.outputs.version }} (${{ steps.check.outputs.type }})"'

  updateUPM:
    name: Update UPM branch
    runs-on: ubuntu-latest
    needs: [checkSemver]
    if: needs.checkSemver.outputs.semver-updated == 'true'
    steps:
      - uses: actions/checkout@v4

      - name: Assemble UPM package
        run: |
          mkdir -p upm-package/WebSocket

          # Core library files (single source of truth)
          cp src/NativeWebSocket/IWebSocket.cs upm-package/WebSocket/
          cp src/NativeWebSocket/WebSocketTypes.cs upm-package/WebSocket/

          # Wrap core WebSocket.cs with Unity conditional compilation guard
          { echo '#if !UNITY_WEBGL || UNITY_EDITOR'; echo ''; cat src/NativeWebSocket/WebSocket.cs; echo ''; echo '#endif'; } > upm-package/WebSocket/WebSocket.cs

          # Unity-specific files (WebGL platform support)
          cp integrations/Unity/WebSocketWebGL.cs upm-package/WebSocket/
          cp integrations/Unity/WebSocketFactoryWebGL.cs upm-package/WebSocket/
          cp integrations/Unity/WebSocket.jslib upm-package/WebSocket/
          cp integrations/Unity/WebSocket.jspre upm-package/WebSocket/
          cp integrations/Unity/colyseus.nativewebsocket.asmdef upm-package/WebSocket/

          # Package metadata and samples
          cp integrations/Unity/package.json upm-package/
          cp -r integrations/Unity/Samples~ upm-package/

      - name: Generate .meta files
        run: |
          generate_meta() {
            local file="$1"
            local guid
            guid=$(echo -n "$file" | md5sum | cut -c1-32)
            local ext="${file##*.}"
            local meta="${file}.meta"

            case "$ext" in
              cs)
                cat > "$meta" <<ENDMETA
          fileFormatVersion: 2
          guid: ${guid}
          MonoImporter:
            serializedVersion: 2
            defaultReferences: []
            executionOrder: 0
            icon: {instanceID: 0}
          ENDMETA
                ;;
              jslib|jspre)
                cat > "$meta" <<ENDMETA
          fileFormatVersion: 2
          guid: ${guid}
          PluginImporter:
            serializedVersion: 2
            iconMap: {}
            executionOrder: {}
            defineConstraints: []
            isPreloaded: 0
            isOverridable: 0
            isExplicitlyReferenced: 0
            validateReferences: 1
            platformData:
            - first:
                Any:
              second:
                enabled: 1
                settings: {}
            userData:
            assetBundleName:
            assetBundleVariant:
          ENDMETA
                ;;
              asmdef)
                cat > "$meta" <<ENDMETA
          fileFormatVersion: 2
          guid: ${guid}
          AssemblyDefinitionImporter:
            serializedVersion: 2
            userData:
            assetBundleName:
            assetBundleVariant:
          ENDMETA
                ;;
              json)
                cat > "$meta" <<ENDMETA
          fileFormatVersion: 2
          guid: ${guid}
          TextScriptImporter:
            serializedVersion: 2
            userData:
            assetBundleName:
            assetBundleVariant:
          ENDMETA
                ;;
              *)
                cat > "$meta" <<ENDMETA
          fileFormatVersion: 2
          guid: ${guid}
          DefaultImporter:
            externalObjects: {}
            userData:
            assetBundleName:
            assetBundleVariant:
          ENDMETA
                ;;
            esac
          }

          # Generate .meta for the WebSocket folder
          folder_guid=$(echo -n "WebSocket" | md5sum | cut -c1-32)
          cat > upm-package/WebSocket.meta <<ENDMETA
          fileFormatVersion: 2
          guid: ${folder_guid}
          folderAsset: yes
          DefaultImporter:
            externalObjects: {}
            userData:
            assetBundleName:
            assetBundleVariant:
          ENDMETA

          # Generate .meta for package.json
          generate_meta "upm-package/package.json"

          # Generate .meta for each file in WebSocket/
          for f in upm-package/WebSocket/*; do
            generate_meta "$f"
          done

      - name: Push package directory to subtree
        uses: s0/git-publish-subdir-action@develop
        env:
          REPO: self
          BRANCH: upm-2
          FOLDER: upm-package/
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  createPackage:
    name: Create Unity Package and Release
    runs-on: ubuntu-latest
    needs: [checkSemver]
    if: needs.checkSemver.outputs.semver-updated == 'true'
    steps:
    - name: Checkout Code
      uses: actions/checkout@v4

    - name: Assemble package directory
      run: |
        mkdir -p upm-package/Assets/WebSocket

        # Core library files
        cp src/NativeWebSocket/IWebSocket.cs upm-package/Assets/WebSocket/
        cp src/NativeWebSocket/WebSocketTypes.cs upm-package/Assets/WebSocket/

        # Wrap core WebSocket.cs with Unity conditional compilation guard
        { echo '#if !UNITY_WEBGL || UNITY_EDITOR'; echo ''; cat src/NativeWebSocket/WebSocket.cs; echo ''; echo '#endif'; } > upm-package/Assets/WebSocket/WebSocket.cs

        # Unity-specific files
        cp integrations/Unity/WebSocketWebGL.cs upm-package/Assets/WebSocket/
        cp integrations/Unity/WebSocketFactoryWebGL.cs upm-package/Assets/WebSocket/
        cp integrations/Unity/WebSocket.jslib upm-package/Assets/WebSocket/
        cp integrations/Unity/WebSocket.jspre upm-package/Assets/WebSocket/
        cp integrations/Unity/colyseus.nativewebsocket.asmdef upm-package/Assets/WebSocket/

        # Package metadata
        cp integrations/Unity/package.json upm-package/Assets/

    - name: Generate .meta files
      run: |
        generate_meta() {
          local file="$1"
          local guid
          guid=$(echo -n "$file" | md5sum | cut -c1-32)
          local ext="${file##*.}"
          local meta="${file}.meta"

          case "$ext" in
            cs)
              cat > "$meta" <<ENDMETA
        fileFormatVersion: 2
        guid: ${guid}
        MonoImporter:
          serializedVersion: 2
          defaultReferences: []
          executionOrder: 0
          icon: {instanceID: 0}
        ENDMETA
              ;;
            jslib|jspre)
              cat > "$meta" <<ENDMETA
        fileFormatVersion: 2
        guid: ${guid}
        PluginImporter:
          serializedVersion: 2
          iconMap: {}
          executionOrder: {}
          defineConstraints: []
          isPreloaded: 0
          isOverridable: 0
          isExplicitlyReferenced: 0
          validateReferences: 1
          platformData:
          - first:
              Any:
            second:
              enabled: 1
              settings: {}
          userData:
          assetBundleName:
          assetBundleVariant:
        ENDMETA
              ;;
            *)
              cat > "$meta" <<ENDMETA
        fileFormatVersion: 2
        guid: ${guid}
        DefaultImporter:
          externalObjects: {}
          userData:
          assetBundleName:
          assetBundleVariant:
        ENDMETA
              ;;
          esac
        }

        # Generate .meta for the WebSocket folder
        folder_guid=$(echo -n "Assets/WebSocket" | md5sum | cut -c1-32)
        cat > upm-package/Assets/WebSocket.meta <<ENDMETA
        fileFormatVersion: 2
        guid: ${folder_guid}
        folderAsset: yes
        DefaultImporter:
          externalObjects: {}
          userData:
          assetBundleName:
          assetBundleVariant:
        ENDMETA

        # Generate .meta for package.json
        generate_meta "upm-package/Assets/package.json"

        # Generate .meta for each file in WebSocket/
        for f in upm-package/Assets/WebSocket/*; do
          generate_meta "$f"
        done

    - name: Gather meta files
      run: |
        cd upm-package
        find Assets -name '*.meta' > ../metaList
        cat ../metaList

    - name: Extract Version
      id: version
      uses: notiz-dev/github-action-json-property@release
      with:
          path: 'integrations/Unity/package.json'
          prop_path: 'version'
    - run: echo ${{steps.version.outputs.prop}}

    - name: Generate Unity Package
      id: build-package
      uses: pCYSl5EDgo/create-unitypackage@master
      with:
        package-path: 'NativeWebSocket.unitypackage'
        include-files: metaList
        project-folder: upm-package

    - name: Upload Package
      uses: actions/upload-artifact@v4
      with:
        path: ./NativeWebSocket.unitypackage
        name: NativeWebSocket

    - name: Changelog
      uses: scottbrenner/generate-changelog-action@master
      id: Changelog

    - name: Create Release
      id: create_release
      uses: actions/create-release@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ steps.version.outputs.prop }}
        release_name: ${{ steps.version.outputs.prop }}
        body: |
            ${{ steps.Changelog.outputs.changelog }}
        draft: false
        prerelease: false

    - name: Upload Release Asset
      id: upload-release-asset
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.create_release.outputs.upload_url }}
        asset_path: ./NativeWebSocket.unitypackage
        asset_name: NativeWebSocket.unitypackage
        asset_content_type: application/x-gzip