#!/bin/sh
# postinst script for apt-ostree
#
# This script is executed after the package is unpacked and configured.
# It handles post-installation tasks such as creating directories,
# setting up configuration files, and updating system caches.

set -e

# Source debconf library
. /usr/share/debconf/confmodule

# Package name
PACKAGE="apt-ostree"

# Configuration directories
CONFIG_DIR="/etc/apt-ostree"
DATA_DIR="/var/lib/apt-ostree"
LOG_DIR="/var/log/apt-ostree"

# OSTree system directory
OSTREE_DIR="/ostree"

case "$1" in
    configure)
        echo "Configuring $PACKAGE..."
        
        # Create necessary directories
        mkdir -p "$CONFIG_DIR"
        mkdir -p "$DATA_DIR"
        mkdir -p "$LOG_DIR"
        
        # Set proper permissions
        chmod 755 "$CONFIG_DIR"
        chmod 755 "$DATA_DIR"
        chmod 755 "$LOG_DIR"
        
        # Create default configuration file if it doesn't exist
        if [ ! -f "$CONFIG_DIR/config.toml" ]; then
            cat > "$CONFIG_DIR/config.toml" << 'EOF'
# apt-ostree configuration file
# Generated automatically during package installation

[general]
# Log level: trace, debug, info, warn, error
log_level = "info"

# Data directory for apt-ostree
data_dir = "/var/lib/apt-ostree"

# OSTree system directory
ostree_dir = "/ostree"

[apt]
# APT configuration overrides
# These settings will be used instead of system defaults if specified

[ostree]
# OSTree configuration overrides
# These settings will be used instead of system defaults if specified

[security]
# Security settings
# Enable package signature verification
verify_signatures = true

# Enable sandboxing for package operations
enable_sandbox = true
EOF
            chmod 644 "$CONFIG_DIR/config.toml"
            echo "Created default configuration file: $CONFIG_DIR/config.toml"
        fi
        
        # Create log rotation configuration
        if [ ! -f "/etc/logrotate.d/apt-ostree" ]; then
            cat > "/etc/logrotate.d/apt-ostree" << 'EOF'
/var/log/apt-ostree/*.log {
    daily
    missingok
    rotate 7
    compress
    delaycompress
    notifempty
    create 644 root root
    postrotate
        # Reload any services if needed
        systemctl reload apt-ostree > /dev/null 2>&1 || true
    endscript
}
EOF
            chmod 644 "/etc/logrotate.d/apt-ostree"
            echo "Created log rotation configuration"
        fi
        
        # Check if OSTree is available and configured
        if command -v ostree >/dev/null 2>&1; then
            echo "OSTree is available on the system"
            
            # Check if OSTree repository exists
            if [ -d "$OSTREE_DIR" ]; then
                echo "OSTree repository directory exists: $OSTREE_DIR"
            else
                echo "Note: OSTree repository directory does not exist: $OSTREE_DIR"
                echo "You may need to initialize OSTree before using apt-ostree"
            fi
        else
            echo "Warning: OSTree is not available on the system"
            echo "apt-ostree requires OSTree to function properly"
            echo "Please install the 'ostree' package"
        fi
        
        # Update shell completion caches
        if command -v update-bash-completion >/dev/null 2>&1; then
            update-bash-completion apt-ostree || true
        fi
        
        # Update man page database
        if command -v mandb >/dev/null 2>&1; then
            mandb -q || true
        fi
        
        echo "$PACKAGE configuration completed successfully"
        ;;
        
    abort-upgrade|abort-remove|abort-deconfigure)
        # Handle upgrade/removal failures
        echo "Aborting $PACKAGE configuration..."
        ;;
        
    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
        ;;
esac

# Exit successfully
exit 0