build-and-release.yml

name: Build, Release, and Publish Updates

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:

jobs:
  build-cpu:
    runs-on: windows-latest
    name: Build CPU Version
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.12'
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements_cpu.txt
        pip install pyinstaller
    - name: Build CPU version
      run: python build_packages.py ${{ github.ref_name }} --build cpu
    - name: Upload CPU artifacts
      uses: actions/upload-artifact@v4
      with:
        name: manga-translator-cpu
        path: dist/manga-translator-cpu/

  build-gpu:
    runs-on: windows-latest
    name: Build GPU Version
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.12'
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements_gpu.txt
        pip install pyinstaller
    - name: Build GPU version
      run: python build_packages.py ${{ github.ref_name }} --build gpu
    - name: Upload GPU artifacts
      uses: actions/upload-artifact@v4
      with:
        name: manga-translator-gpu
        path: dist/manga-translator-gpu/

  release-and-publish:
    needs: [build-cpu, build-gpu]
    runs-on: ubuntu-latest
    name: Create Release and Publish Updates
    permissions:
      contents: write # Required to push to gh-pages branch
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Fetch LFS files
      run: |
        git lfs fetch --all
        git lfs pull

    - name: Restore Previous TUF Assets
      env:
        GH_TOKEN: ${{ github.token }}
      run: |
        echo "Checking for previous release to restore assets for diffing..."
        # Get the tag of the release before this one
        PREVIOUS_TAG=$(git describe --tags --abbrev=0 HEAD~1 2>/dev/null || echo "")
        if [ -z "$PREVIOUS_TAG" ]; then
          echo "No previous tag found. Assuming this is the first release. Skipping asset restore."
          exit 0
        fi
        echo "Found previous release tag: $PREVIOUS_TAG"
        
        TUF_TARGETS_DIR="update_repository/targets"
        mkdir -p $TUF_TARGETS_DIR

        echo "Downloading assets from release $PREVIOUS_TAG..."
        gh release download $PREVIOUS_TAG -D $TUF_TARGETS_DIR -p "*.tar.gz.7z.*" || true
        
        echo "Merging split archives..."
        for f in $(find $TUF_TARGETS_DIR -name '*.tar.gz.7z.001'); do
          echo "Merging $f..."
          # The `e` command extracts and automatically merges multi-part archives
          7z e -o"$TUF_TARGETS_DIR" "$f"
          # Clean up the downloaded split parts
          rm $f*
        done
        echo "Asset restoration complete. Final files in $TUF_TARGETS_DIR:"
        ls -l $TUF_TARGETS_DIR

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.12'

    - name: Install tufup and 7-Zip
      run: |
        python -m pip install tufup
        sudo apt-get update
        sudo apt-get install -y p7zip-full

    - name: Download all artifacts
      uses: actions/download-artifact@v4
      with:
        path: dist/

    - name: Restore TUF Private Keys
      env:
        TUF_ROOT_KEY: ${{ secrets.TUF_ROOT_KEY }}
        TUF_TARGETS_KEY: ${{ secrets.TUF_TARGETS_KEY }}
        TUF_SNAPSHOT_KEY: ${{ secrets.TUF_SNAPSHOT_KEY }}
        TUF_TIMESTAMP_KEY: ${{ secrets.TUF_TIMESTAMP_KEY }}
      run: |
        echo "Restoring TUF private keys from secrets..."
        KEYS_DIR="keys"
        mkdir -p $KEYS_DIR
        echo "$TUF_ROOT_KEY" > "$KEYS_DIR/root"
        echo "$TUF_TARGETS_KEY" > "$KEYS_DIR/targets"
        echo "$TUF_SNAPSHOT_KEY" > "$KEYS_DIR/snapshot"
        echo "$TUF_TIMESTAMP_KEY" > "$KEYS_DIR/timestamp"
        echo "Private keys restored."

    - name: Update TUF Repository
      run: |
        python build_packages.py ${{ github.ref_name }} --update-repo --skip-build

    - name: Verify TUF metadata
      run: |
        echo "Verifying contents of update_repository before deployment:"
        ls -lR update_repository/

    - name: Deploy Repository to GitHub Pages
      uses: peaceiris/actions-gh-pages@v3
      with:
        personal_token: ${{ secrets.GH_PAT }}
        publish_dir: ./update_repository
        publish_branch: gh-pages
        user_name: 'github-actions[bot]'
        user_email: 'github-actions[bot]@users.noreply.github.com'
        commit_message: 'Deploy TUF repository for ${{ github.ref_name }}'
        exclude_assets: '**/*.tar.gz'

    - name: Bundle extra directories into _internal
      run: |
        echo "Bundling extra directories into _internal..."
        mkdir -p dist/manga-translator-cpu/_internal/update_repository
        mkdir -p dist/manga-translator-gpu/_internal/update_repository
        
        cp -r examples dist/manga-translator-cpu/_internal/
        cp -r fonts dist/manga-translator-cpu/_internal/
        cp -r models dist/manga-translator-cpu/_internal/
        cp -r dict dist/manga-translator-cpu/_internal/
        cp -r update_repository/metadata dist/manga-translator-cpu/_internal/update_repository/
        cp -r MangaStudio_Data dist/manga-translator-cpu/_internal/
        cp VERSION dist/manga-translator-cpu/_internal/
        
        cp -r examples dist/manga-translator-gpu/_internal/
        cp -r fonts dist/manga-translator-gpu/_internal/
        cp -r models dist/manga-translator-gpu/_internal/
        cp -r dict dist/manga-translator-gpu/_internal/
        cp -r update_repository/metadata dist/manga-translator-gpu/_internal/update_repository/
        cp -r MangaStudio_Data dist/manga-translator-gpu/_internal/
        cp VERSION dist/manga-translator-gpu/_internal/

    - name: Create Release Archives using 7-Zip with Splitting
      run: |
        mkdir -p release_assets
        echo "Archiving CPU version..."
        cd dist/manga-translator-cpu/
        7z a -v1990m -m0=lzma2 -ms=on ../../release_assets/manga-translator-cpu-${{ github.ref_name }}.7z .
        cd ../../
        echo "CPU version archived. Deleting source directory to save space..."
        rm -rf dist/manga-translator-cpu
        echo "Archiving GPU version..."
        cd dist/manga-translator-gpu/
        7z a -v1990m -m0=lzma2 -ms=on ../../release_assets/manga-translator-gpu-${{ github.ref_name }}.7z .
        cd ../../
        echo "GPU version archived. Deleting source directory to save space..."
        rm -rf dist/manga-translator-gpu

    - name: Prepare TUF Assets for Release
      run: |
        echo "Preparing TUF assets..."
        TUF_TARGETS_DIR="update_repository/targets"
        RELEASE_ASSETS_DIR="release_assets"
        # Copy any TUF assets that are small enough directly
        find $TUF_TARGETS_DIR -type f -size -1990M -exec cp {} $RELEASE_ASSETS_DIR/ \;
        # For TUF assets that are too large, create split archives
        find $TUF_TARGETS_DIR -type f -size +1990M | while read f; do
          echo "Splitting large TUF asset: $f"
          7z a -v1990m "$RELEASE_ASSETS_DIR/$(basename "$f").7z" "$f"
        done
        echo "Final release assets list:"
        ls -l $RELEASE_ASSETS_DIR

    - name: Create GitHub Release
      uses: softprops/action-gh-release@v1
      with:
        tag_name: ${{ github.ref_name }}
        name: Release ${{ github.ref_name }}
        files: release_assets/*
        draft: false
        prerelease: false