#!/bin/bash
# Build .deb package from source
# Usage: ./scripts/build-deb.sh

set -e

VERSION="2.0.1-ai-providers-1"
DEB_FILE="antigravity_${VERSION}_amd64.deb"

echo "Building Antigravity .deb package..."

# Check if app.asar exists
if [ ! -f "src/app.asar" ]; then
    echo "Error: src/app.asar not found"
    echo "Run extract-app.sh and repack-app.sh first"
    exit 1
fi

# Create temporary directory
TEMP_DIR=$(mktemp -d)
echo "Using temp directory: $TEMP_DIR"

# Create package structure
mkdir -p "$TEMP_DIR/DEBIAN"
mkdir -p "$TEMP_DIR/opt/antigravity"

# Copy application files
echo "Copying application files..."
cp -r Antigravity-x64/* "$TEMP_DIR/opt/antigravity/"

# Replace app.asar with our modified version
cp src/app.asar "$TEMP_DIR/opt/antigravity/resources/"

# Create control file
cat > "$TEMP_DIR/DEBIAN/control" << 'EOF'
Package: antigravity
Version: VERSION_PLACEHOLDER
Section: development
Priority: optional
Architecture: amd64
Depends: libc6 (>= 2.17), libgtk-3-0, libnotify4, libnss3, libxss1, libxtst6, xdg-utils, libatspi2.0-0, libuuid1
Maintainer: Antigravity Team <support@antigravity.dev>
Description: Antigravity IDE with AI Provider GUI Support
 Antigravity is a modern IDE powered by AI that helps developers
 write better code faster. This version includes comprehensive
 GUI support for managing multiple AI providers including OpenAI,
 Anthropic, Google Gemini, Ollama, OpenRouter, and 15+ other providers.
EOF

# Replace version placeholder
sed -i "s/VERSION_PLACEHOLDER/$VERSION/" "$TEMP_DIR/DEBIAN/control"

# Create preinst
cat > "$TEMP_DIR/DEBIAN/preinst" << 'EOF'
#!/bin/bash
set -e
echo "Preparing to install Antigravity..."
if [ -d /opt/antigravity ]; then
    echo "Removing previous installation..."
    rm -rf /opt/antigravity
fi
mkdir -p /opt/antigravity
mkdir -p ~/.config/antigravity
mkdir -p ~/.cache/antigravity
exit 0
EOF

# Create postinst
cat > "$TEMP_DIR/DEBIAN/postinst" << 'EOF'
#!/bin/bash
set -e
echo "Installing Antigravity..."
chmod 755 /opt/antigravity/antigravity
chmod 644 /opt/antigravity/resources.pak
chmod 644 /opt/antigravity/icudtl.dat
chmod +x /opt/antigravity/chrome-sandbox 2>/dev/null || true

mkdir -p /usr/share/applications
cat > /usr/share/applications/antigravity.desktop << 'DESKTOP'
[Desktop Entry]
Version=2.0.1-ai-providers-1
Name=Antigravity IDE
Comment=AI-Powered Development Environment with Multi-Provider Support
Exec=/opt/antigravity/antigravity %U
Icon=/opt/antigravity/icon.png
Terminal=false
Type=Application
Categories=Development;IDE;TextEditor;
Keywords=code;developer;ai;programming;ide;
StartupWMClass=antigravity
DESKTOP

ln -sf /opt/antigravity/antigravity /usr/local/bin/antigravity
update-desktop-database /usr/share/applications/ 2>/dev/null || true
echo "Antigravity installed successfully!"
exit 0
EOF

# Create prerm
cat > "$TEMP_DIR/DEBIAN/prerm" << 'EOF'
#!/bin/bash
set -e
pkill -f antigravity 2>/dev/null || true
exit 0
EOF

# Create postrm
cat > "$TEMP_DIR/DEBIAN/postrm" << 'EOF'
#!/bin/bash
set -e
rm -f /usr/share/applications/antigravity.desktop
rm -f /usr/local/bin/antigravity
update-desktop-database /usr/share/applications/ 2>/dev/null || true
exit 0
EOF

# Make scripts executable
chmod +x "$TEMP_DIR/DEBIAN/preinst"
chmod +x "$TEMP_DIR/DEBIAN/postinst"
chmod +x "$TEMP_DIR/DEBIAN/prerm"
chmod +x "$TEMP_DIR/DEBIAN/postrm"

# Build package
echo "Building .deb package..."
dpkg-deb --build "$TEMP_DIR" "$DEB_FILE"

# Move to packages directory
mkdir -p packages
mv "$DEB_FILE" packages/

# Cleanup
rm -rf "$TEMP_DIR"

echo ""
echo "✅ Build complete!"
echo "Package created: packages/$DEB_FILE"
echo ""
echo "To install:"
echo "  sudo dpkg -i packages/$DEB_FILE"
echo "  antigravity"