#!/bin/bash

# f2g: A simple finger2gopher script that renders a gopher map over the
#      the finger protocol using the text browser lynx.

# Usage:
#   f2g user@domain.com  (or)  f2g finger://domain.com/user

# Converts finger-based urls into a lynx-friendly gopher format (saving
# you precious seconds:-):  lynx gopher://domain.com:79/1user

# Copyright (c) 2025-2026 (https://640kb.neocities.org)
# Licensed under the Blue Oak Model License 1.0.0

# ---------------------------------------------------------------------------

convert_to_gopher() {
    local input="$1"
    local domain=""
    local user=""

    if [[ "$input" == finger://* ]]; then
        domain="${input#finger://}"
        domain="${domain%%/*}"
        user="${input#finger://*/}"
    else
        user="${input%%@*}"
        domain="${input##*@}"
    fi

    echo "gopher://$domain:79/1$user"
}

if [[ $# -eq 0 ]]; then
    echo ""
    echo " Usage: $0 user@domain.com or finger://domain.com/user"
    echo ""
    exit 1
fi

for arg in "$@"; do
    gopher_url=$(convert_to_gopher "$arg")
    echo "Executing: lynx $gopher_url"
    lynx "$gopher_url"
done