#!/bin/bash
# CachyOS Setup Snapshot Script
# Usage: ./snapshot.sh
# Creates timestamped snapshot of all system configuration for clean install reference

set -e

SNAPSHOT_DIR="snapshots/$(date +%Y-%m-%d_%H-%M-%S)"
mkdir -p "$SNAPSHOT_DIR"
cd "$SNAPSHOT_DIR"

echo "Creating snapshot..."

# System info
{
    echo "=== System Information ==="
    echo ""
    echo "--- OS ---"
    cat /etc/os-release
    echo ""
    echo "--- Kernel ---"
    uname -a
    echo ""
    echo "--- GPU ---"
    lspci 2>/dev/null | grep -i vga || echo "Not detected"
    echo ""
    echo "--- Display Server ---"
    echo "Wayland: $XDG_SESSION_TYPE"
    echo "Display: $DISPLAY"
    echo ""
    echo "--- Uptime ---"
    uptime
    echo ""
    echo "--- CPU ---"
    lscpu 2>/dev/null | grep "Model name" || echo "Not available"
    echo ""
    echo "--- RAM ---"
    free -h 2>/dev/null || cat /proc/meminfo | head -5
} > system-info.txt

# Pacman packages
{
    echo "=== Auto-installed packages (dependencies) ==="
    echo "Count: $(pacman -Qe 2>/dev/null | wc -l)"
    echo ""
    pacman -Qe 2>/dev/null
    echo ""
    echo "=== All installed packages ==="
    echo "Count: $(pacman -Q 2>/dev/null | wc -l)"
    echo ""
    pacman -Q 2>/dev/null
} > pacman-packages.txt

# Flatpak
{
    echo "=== Flatpak Applications ==="
    echo ""
    flatpak list 2>/dev/null
    echo ""
    echo "=== Flatpak Remotes ==="
    echo ""
    flatpak remotes 2>/dev/null
    echo ""
    echo "=== Flatpak Overrides ==="
    echo ""
    flatpak override --show 2>/dev/null
} > flatpak-list.txt

# GNOME extensions
{
    echo "=== GNOME Extensions ==="
    echo ""
    echo "--- User extensions ---"
    ls -la ~/.local/share/gnome-shell/extensions/ 2>/dev/null || echo "None"
    echo ""
    echo "--- System extensions ---"
    ls -la /usr/share/gnome-shell/extensions/ 2>/dev/null || echo "None"
} > gnome-extensions.txt

# Theme configuration
{
    echo "=== Theme Configuration ==="
    echo ""
    echo "--- GTK Theme ---"
    gsettings get org.gnome.desktop.interface gtk-theme
    echo ""
    echo "--- User Theme ---"
    gsettings get org.gnome.shell.extensions.user-theme name 2>/dev/null || echo "Not set"
    echo ""
    echo "--- Installed Themes ---"
    ls -la ~/.themes/ 2>/dev/null
    ls -la ~/.local/share/themes/ 2>/dev/null
    echo ""
    echo "--- GTK 3.0 css ---"
    cat ~/.config/gtk-3.0/gtk.css 2>/dev/null || echo "Not configured"
    echo ""
    echo "--- GTK 4.0 css ---"
    cat ~/.config/gtk-4.0/gtk.css 2>/dev/null || echo "Not configured"
    echo ""
    echo "--- macos-like-window-controls ---"
    ls -la ~/.config/macos-like-window-controls/ 2>/dev/null || echo "Not installed"
} > theme-config.txt

# GNOME settings
gsettings list-recursively > gsettings-dump.txt 2>/dev/null || echo "gsettings dump failed"

# GNOME shell specific
{
    echo "=== GNOME Shell Settings ==="
    echo ""
    echo "--- Shell ---"
    gsettings list-recursively org.gnome.shell 2>/dev/null
    echo ""
    echo "--- Dash to Dock ---"
    gsettings list-recursively org.gnome.shell.extensions.dash-to-dock 2>/dev/null
} > gnome-shell-settings.txt

# Custom shortcuts
{
    echo "=== Keyboard Shortcuts ==="
    echo ""
    echo "--- Custom keybindings ---"
    gsettings get org.gnome.settings-daemon.plugins.media-keys custom-keybindings
    echo ""
    echo "--- All media keys ---"
    gsettings list-recursively org.gnome.settings-daemon.plugins.media-keys
} > shortcuts.txt

# Display config
{
    echo "=== Display Configuration ==="
    xrandr 2>/dev/null || echo "Not available"
} > display-config.txt

echo "Snapshot created: $SNAPSHOT_DIR"
echo "Files:"
ls -la