name: Build Debian Package (Simple)

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main ]
  release:
    types: [ published ]

jobs:
  build-deb:
    runs-on: ubuntu-24.04
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y \
          build-essential \
          devscripts \
          debhelper \
          dh-make \
          fakeroot \
          lintian \
          ostree \
          libostree-dev \
          git \
          curl \
          wget
        
    - name: Build apt-layer binary
      run: |
        make clean
        make
        ls -la bin/
        
    - name: Prepare source for packaging
      run: |
        # Create a clean directory for packaging
        mkdir -p apt-layer-build
        cd apt-layer-build
        
        # Copy source files
        cp -r ../src .
        cp -r ../include .
        cp ../Makefile .
        cp ../README.md .
        cp ../README-C.md .
        cp ../LICENSE .
        
        # Copy binary
        mkdir -p bin
        cp ../bin/apt-layer bin/
        chmod +x bin/apt-layer
        
        # Create tarball
        tar -czf apt-layer_1.0.0.orig.tar.gz *
        
    - name: Create Debian package with dh_make
      run: |
        cd apt-layer-build
        
        # Extract tarball
        tar -xzf apt-layer_1.0.0.orig.tar.gz
        
        # Create debian directory
        dh_make --single --yes --email team@particleos.org --copyright mit
        
        # Remove template files we don't need
        rm -f debian/*.ex debian/*.EX debian/*.manpages debian/*.docs
        
        # Update control file
        cat > debian/control << 'EOF'
Source: apt-layer
Section: admin
Priority: optional
Maintainer: ParticleOS Team <team@particleos.org>
Build-Depends: debhelper-compat (= 13), build-essential, ostree, libostree-dev

Package: apt-layer
Architecture: any
Depends: ${shlibs:Depends}, ${misc:Depends}, ostree, podman | docker.io, build-essential
Recommends: git, curl, wget
Description: Create OSTree layers using apt packages
 apt-layer is a tool for creating OSTree layers using apt packages,
 inspired by rpm-ostree and designed for Ubuntu/Debian-based immutable
 systems like ParticleOS.
 .
 Features:
  * Layer creation with apt packages
  * Container-based isolation
  * OCI export functionality
  * Layer management and rollback
  * Recipe support for declarative layers
EOF
        
        # Update changelog
        cat > debian/changelog << 'EOF'
apt-layer (1.0.0-1) unstable; urgency=medium

  * Initial release
  * C implementation of apt-layer
  * OSTree layer creation
  * Container-based builds
  * OCI export functionality

 -- ParticleOS Team <team@particleos.org>  $(date -R)
EOF
        
        # Create rules file
        cat > debian/rules << 'EOF'
#!/usr/bin/make -f

%:
	dh $@

override_dh_auto_install:
	dh_auto_install
	# Install binary
	mkdir -p debian/apt-layer/usr/local/bin
	cp bin/apt-layer debian/apt-layer/usr/local/bin/
	chmod +x debian/apt-layer/usr/local/bin/apt-layer
	
	# Install documentation
	mkdir -p debian/apt-layer/usr/local/share/doc/apt-layer
	cp README.md debian/apt-layer/usr/local/share/doc/apt-layer/
	cp README-C.md debian/apt-layer/usr/local/share/doc/apt-layer/
	cp LICENSE debian/apt-layer/usr/local/share/doc/apt-layer/
	
	# Create configuration directory
	mkdir -p debian/apt-layer/etc/apt-layer
	cat > debian/apt-layer/etc/apt-layer/config << 'CONFIG_EOF'
# apt-layer configuration
OSTREE_REPO=/var/lib/apt-layer/ostree-repo
BUILD_DIR=/var/lib/apt-layer/build
CONTAINER_RUNTIME=podman
LOG_LEVEL=info
CONFIG_EOF
	
	# Create data directories
	mkdir -p debian/apt-layer/var/lib/apt-layer/ostree-repo
	mkdir -p debian/apt-layer/var/lib/apt-layer/build
	mkdir -p debian/apt-layer/var/lib/apt-layer/cache

override_dh_fixperms:
	dh_fixperms
	chmod 755 debian/apt-layer/var/lib/apt-layer
	chmod 755 debian/apt-layer/var/lib/apt-layer/ostree-repo
	chmod 755 debian/apt-layer/var/lib/apt-layer/build
	chmod 755 debian/apt-layer/var/lib/apt-layer/cache
EOF
        
        # Create postinst script
        cat > debian/postinst << 'EOF'
#!/bin/bash
set -e

# Update man database if available
if command -v mandb >/dev/null 2>&1; then
    mandb -q
fi

echo "apt-layer installed successfully"
echo "Configuration: /etc/apt-layer/config"
echo "Data directory: /var/lib/apt-layer"
EOF
        
        # Create postrm script
        cat > debian/postrm << 'EOF'
#!/bin/bash
set -e

if [ "$1" = "purge" ]; then
    echo "Purging apt-layer data..."
    rm -rf /var/lib/apt-layer
    rm -rf /etc/apt-layer
fi
EOF
        
        # Set permissions
        chmod +x debian/rules
        chmod 755 debian/postinst
        chmod 755 debian/postrm
        
        # Create conffiles
        echo "/etc/apt-layer/config" > debian/conffiles
        
    - name: Build Debian package
      run: |
        cd apt-layer-build
        
        # Build the package
        dpkg-buildpackage -b -us -uc -rfakeroot
        
        # Check the package
        lintian ../apt-layer_1.0.0-1_amd64.deb || true
        
    - name: Upload package artifact
      uses: actions/upload-artifact@v4
      with:
        name: apt-layer-deb
        path: apt-layer_1.0.0-1_amd64.deb
        retention-days: 30
        
    - name: Create release asset (on release)
      if: github.event_name == 'release'
      run: |
        cp apt-layer_1.0.0-1_amd64.deb apt-layer_${{ github.event.release.tag_name }}_amd64.deb
        
    - name: Upload to release (on release)
      if: github.event_name == 'release'
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ github.event.release.upload_url }}
        asset_path: ./apt-layer_${{ github.event.release.tag_name }}_amd64.deb
        asset_name: apt-layer_${{ github.event.release.tag_name }}_amd64.deb
        asset_content_type: application/vnd.debian.binary-package