name: Build LNbits AppImage

on:
  release:
    types: [published]

jobs:

  build-linux-package:
    runs-on: ubuntu-latest
    steps:
      # Step 1: Checkout the repository
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      # Step 2: Set up Python (uv will still use this toolchain)
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      # Step 3: Install system deps (fuse) + uv
      - name: Install system deps and uv
        run: |
          sudo apt-get update
          sudo apt-get install -y libfuse2
          curl -LsSf https://astral.sh/uv/install.sh | sh
          echo "$HOME/.local/bin" >> $GITHUB_PATH
        shell: bash

      # Optional: Cache uv + venv to speed up CI
      - name: Cache uv and venv
        uses: actions/cache@v4
        with:
          path: |
            ~/.cache/uv
            .venv
          key: ${{ runner.os }}-uv-${{ hashFiles('uv.lock', 'pyproject.toml') }}

      # Step 4: Prepare packaging tree and clone LNbits
      - name: Prepare packaging & clone LNbits
        run: |
          mv .github/packaging packaging
          mkdir -p packaging/linux/AppDir/usr
          git clone https://github.com/lnbits/lnbits.git packaging/linux/AppDir/usr/lnbits
        shell: bash

      # Step 5: Build the LNbits binary with uv + PyInstaller
      - name: Build LNbits binary (uv + PyInstaller)
        run: |
          cd packaging/linux/AppDir/usr/lnbits

          # Install project deps into .venv using uv
          uv sync

          # Install PyInstaller into the same environment
          uv pip install pyinstaller

          # Build the LNbits binary
          uv run pyinstaller \
            --onefile \
            --name lnbits \
            --hidden-import=embit \
            --collect-all embit \
            --collect-all lnbits \
            --collect-all sqlalchemy \
            --collect-all aiosqlite \
            --hidden-import=passlib.handlers.bcrypt \
            "$(uv run which lnbits)"

          cd ../../../../..
          chmod +x packaging/linux/AppDir/AppRun
          chmod +x packaging/linux/AppDir/lnbits.desktop
          chmod +x packaging/linux/AppDir/usr/lnbits/dist/lnbits

          # Clean out non-dist content from the app dir to keep AppImage slim
          find packaging/linux/AppDir/usr/lnbits -mindepth 1 -maxdepth 1 \
              ! -name 'dist' \
              ! -name 'lnbits' \
              -exec rm -rf {} +

          # Build AppImage
          wget https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage
          chmod +x appimagetool-x86_64.AppImage
          TAG_NAME=${{ github.event.release.tag_name }}
          APPIMAGE_NAME="LNbits-${TAG_NAME}.AppImage"
          ./appimagetool-x86_64.AppImage \
            --updateinformation "gh-releases-zsync|lnbits|lnbits|latest|*.AppImage.zsync" \
            packaging/linux/AppDir "$APPIMAGE_NAME"
          chmod +x "$APPIMAGE_NAME"
          echo "APPIMAGE_NAME=$APPIMAGE_NAME" >> $GITHUB_ENV
        shell: bash

      # Step 6: Upload Linux Release Asset
      - name: Upload Linux Release Asset
        uses: actions/upload-release-asset@v1
        with:
          upload_url: ${{ github.event.release.upload_url }}
          asset_path: ${{ env.APPIMAGE_NAME }}
          asset_name: ${{ env.APPIMAGE_NAME }}
          asset_content_type: application/octet-stream
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}