uninstall

#!/usr/bin/env bash

usage() {
    cat <<EOF
Usage: $0
This script will uninstall fzf-help from /usr/share/fzf-help. If you
want to uninstall without root privileges, use the --user option to uninstall
from ~/.local/share/fzf-help.

Options:
    --root      Uinstall from /usr/share/fzf-help (default)
    --user      Uninstall from ~/.local/share/fzf-help
    -h, --help  Show this help message
EOF
}

#######################################
# Parse command line arguments
#######################################
parse_args() {
    while [[ $# -gt 0 ]]; do
        case $1 in
            --root)
                shift
                ;;
            --user)
                plugin_dir="$HOME/.local/share/fzf-help"
                shift
                ;;
            -h | --help)
                usage
                exit 0
                ;;
            *)
                echo "Unknown option: $1"
                usage
                exit 1
                ;;
        esac
    done
}

abort() {
    echo 'Uninstallation aborted'
    exit 1
}

#######################################
# Remove old installation
#######################################
remove_old() {
    remove="rm -rf $plugin_dir || abort"

    if [[ -d $plugin_dir ]]; then
        echo "Found old installation at: $plugin_dir"
        echo "Deleting old installation..."
        if [[ -w $plugin_dir ]]; then
            echo 'Uninstall as user'
            eval $remove
        else
            echo 'Uninstall as root'
            eval "sudo $remove"
        fi
        echo 'Uninstall complete.'
    else
        echo "No old installation found at: $plugin_dir."
    fi
}

plugin_dir=/usr/share/fzf-help
parse_args $@
remove_old