#!/bin/sh

languages="go
rust"
coreutils="awk
sed"

while IFS= read -r line; do
    case "$languages" in
    *$line*)
        tool="language"
        selected="$line"
        break
        ;;
    esac
    case "$coreutils" in
    *$line*)
        tool="coreutil"
        selected="$line"
        break
        ;;
    esac
done <<EOF
$(printf '%s\n%s' "$languages" "$coreutils" | shuf | fzf)
EOF
[ -z "$selected" ] && exit 1

printf "enter a query: " >&2
read -r query

if [ -n "$query" ]; then
    case "$tool" in
    language) url="$selected/$query" ;;
    coreutil) url="$selected~$query" ;;
    esac
else
    url="$selected"
fi

curl -s "https://cht.sh/$url"