#!/bin/bash
# Debian Atomic Infrastructure Installation Script
# This script installs the missing OSTree infrastructure files to a Debian system

set -e

echo "🚀 Installing Debian Atomic Infrastructure Files"
echo "================================================"

# Check if running as root
if [ "$EUID" -ne 0 ]; then
    echo "❌ Please run as root (use sudo)"
    exit 1
fi

# Create directories
echo "📁 Creating directories..."
mkdir -p /usr/lib/systemd/system
mkdir -p /usr/lib/ostree
mkdir -p /usr/lib/tmpfiles.d
mkdir -p /usr/lib/kernel/install.d
mkdir -p /usr/lib/dracut/modules.d/98ostree
mkdir -p /usr/lib/dracut.conf.d
mkdir -p /usr/share/dbus-1/system.d

# Install OSTree systemd services
echo "🔧 Installing OSTree systemd services..."
cp ostree-systemd/systemd/system/*.service /usr/lib/systemd/system/
cp ostree-systemd/ostree/prepare-root.conf /usr/lib/ostree/
cp ostree-systemd/tmpfiles.d/ostree-tmpfiles.conf /usr/lib/tmpfiles.d/

# Install bootc services
echo "🔧 Installing bootc services..."
cp bootc/systemd/system/*.service /usr/lib/systemd/system/
cp bootc-systemd/systemd/system/*.service /usr/lib/systemd/system/
cp bootc/systemd/system/*.timer /usr/lib/systemd/system/
cp bootc/systemd/system/*.target /usr/lib/systemd/system/

# Install bootc dracut configuration
echo "🔧 Installing bootc dracut configuration..."
cp bootc-dracut/usr/lib/dracut.conf.d/*.conf /usr/lib/dracut.conf.d/

# Install APT-OSTree services
echo "🔧 Installing APT-OSTree services..."
cp apt-ostree-systemd/systemd/system/*.service /usr/lib/systemd/system/
cp apt-ostree-systemd/systemd/system/*.timer /usr/lib/systemd/system/
cp apt-ostree-systemd/kernel/install.d/*.install /usr/lib/kernel/install.d/
cp apt-ostree-systemd/kernel/install.conf /usr/lib/kernel/
cp apt-ostree-systemd/tmpfiles.d/*.conf /usr/lib/tmpfiles.d/
cp apt-ostree-systemd/apt-ostreed.conf /etc/
cp apt-ostree-systemd/org.debian.aptostree1.conf /usr/share/dbus-1/system.d/

# Make kernel install hook executable
chmod +x /usr/lib/kernel/install.d/05-aptostree.install

# Install OSTree dracut module
echo "🔧 Installing OSTree dracut module..."
cp ostree-dracut/modules.d/98ostree/module-setup.sh /usr/lib/dracut/modules.d/98ostree/
chmod +x /usr/lib/dracut/modules.d/98ostree/module-setup.sh

# Reload systemd
echo "🔄 Reloading systemd..."
systemctl daemon-reload

echo "✅ Installation complete!"
echo ""
echo "📋 Installed components:"
echo "  - OSTree systemd services (6 services)"
echo "  - Bootc systemd services (8 services + timers + targets)"
echo "  - APT-OSTree systemd services (4 services + timer)"
echo "  - Kernel installation hooks (1 hook + config)"
echo "  - OSTree dracut module (1 module)"
echo ""
echo "🎯 Next steps:"
echo "  1. Test with apt-ostree compose tree"
echo "  2. Test with apt-ostree compose container-encapsulate"
echo "  3. Test with bootc-image-builder"
echo "  4. Boot test the resulting image"
echo ""
echo "🔍 To verify installation:"
echo "  systemctl list-units --type=service | grep -E '(ostree|bootc|apt-ostree)'"
echo "  ls -la /usr/lib/kernel/install.d/05-aptostree.install"
echo "  ls -la /usr/lib/dracut/modules.d/98ostree/module-setup.sh"