#!/bin/bash
# GeographicLib DEB Package Build Script
# Builds libgeographiclib-dev DEB package for internal SCM repository

set -e

PACKAGE_NAME="libgeographiclib-dev"
VERSION="2.3"
ARCHITECTURE="amd64"
MAINTAINER="Legatus Team <legatus@defence-elec.de>"
DESCRIPTION="GeographicLib library - development files"

# Create package structure
DEB_DIR="deb-package"
rm -rf "$DEB_DIR"
mkdir -p "$DEB_DIR/DEBIAN"
mkdir -p "$DEB_DIR/opt/GeographicLib"
mkdir -p "$DEB_DIR/opt/offline-cache/geographiclib"

# Copy GeographicLib files from external/GeographicLib
if [ -d "../../external/GeographicLib" ]; then
    cp -r ../../external/GeographicLib/* "$DEB_DIR/opt/GeographicLib/"
fi

# Create control file
cat > "$DEB_DIR/DEBIAN/control" << EOF
Package: $PACKAGE_NAME
Version: $VERSION
Architecture: $ARCHITECTURE
Maintainer: $MAINTAINER
Depends: libc6, libgcc1, libstdc++6
Section: libdevel
Priority: optional
Description: $DESCRIPTION
 GeographicLib library for geodesic calculations.
 .
 License: MIT/X11 (open source)
EOF

# Create postinst script
cat > "$DEB_DIR/DEBIAN/postinst" << 'EOF'
#!/bin/bash
set -e

echo "GeographicLib DEB package installed successfully"

# Set permissions
chmod -R 755 /opt/GeographicLib

exit 0
EOF

chmod 755 "$DEB_DIR/DEBIAN/postinst"

# Create postrm script
cat > "$DEB_DIR/DEBIAN/postrm" << 'EOF'
#!/bin/bash
set -e

echo "GeographicLib DEB package removed"

exit 0
EOF

chmod 755 "$DEB_DIR/DEBIAN/postrm"

# Build DEB package
echo "Building DEB package: ${PACKAGE_NAME}_${VERSION}_${ARCHITECTURE}.deb"
cd "$DEB_DIR"
dpkg-deb --build . "../${PACKAGE_NAME}_${VERSION}_${ARCHITECTURE}.deb"
cd ..

echo "DEB package created: ${PACKAGE_NAME}_${VERSION}_${ARCHITECTURE}.deb"
echo "Size: $(du -h ${PACKAGE_NAME}_${VERSION}_${ARCHITECTURE}.deb | cut -f1)"