#!/bin/bash

# Get list of config folders
CONFIG_DIR="$HOME/.config"
CONFIG_FOLDERS=($(find "$CONFIG_DIR" -mindepth 1 -maxdepth 1 -type d -printf "%f\n"))

# Get list of installed APT packages
APT_PACKAGES=($(dpkg -l | awk '{print $2}' | tail -n +6))

# Get list of installed Flatpak apps (application IDs only)
FLATPAK_APPS=($(flatpak list --app --columns=application))

# Combine all installed package names
INSTALLED_APPS=("${APT_PACKAGES[@]}" "${FLATPAK_APPS[@]}")

# Initialize list of redundant config folders
REDUNDANT=()

for folder in "${CONFIG_FOLDERS[@]}"; do
    FOUND=0
    for app in "${INSTALLED_APPS[@]}"; do
        if [[ "$folder" == "$app" ]]; then
            FOUND=1
            break
        fi
    done
    if [[ $FOUND -eq 0 ]]; then
        REDUNDANT+=("$CONFIG_DIR/$folder")
    fi
done

# Output results
COUNT=${#REDUNDANT[@]}

if [[ $COUNT -eq 0 ]]; then
    echo "No redundant config folders found."
else
    echo "$COUNT redundant config folders found:"
    for path in "${REDUNDANT[@]}"; do
        echo "- $path"
    done
    echo
    echo "To remove them, run:"
    echo "rm -r ${REDUNDANT[*]}"
fi