#!/bin/sh

# The MIT License (MIT)
#
# Copyright © 2024 pacman64
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the “Software”), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.


# def [words...]
#
# DEFine/lookup words via the online english dictionary from https://dict.org


if [ $# -eq 0 ]; then
    # printf "\e[31mno words to lookup given\e[0m\n" > /dev/stderr
    # exit 1

    awk '/^# +def/, /^$/ { gsub(/^# ?/, ""); print }' "$0"
    exit 0
fi

# handle leading options
case "$1" in
    -h|--h|-help|--help)
        awk '/^# +def/, /^$/ { gsub(/^# ?/, ""); print }' "$0"
        exit 0
    ;;
esac

# keep track of this script's eventual success/failure
errcode=0

for word in "$@"; do
    printf "\n\e[7m%-80s\e[0m\n" "${word}"

    curl -s "dict://dict.org/d:${word}" | sed 's-\r--g' | awk '
        # get rid of carriage-returns at the end of lines
        { gsub(/\r/, "") }

        # code 151 has the specific source for the match, so
        # use a unique style for that kind of metadata line
        /^151 / {
            printf "\x1b[38;5;4m%s\x1b[0m\n", $0
            next
        }

        # make error-type metadata lines stand out
        /^[3-5][0-9]{2} [a-z]/ {
            nerr++
            printf "\x1b[38;5;124m%s\x1b[0m\n", $0
            next
        }

        # gray out ok-type metadata lines
        /^[12][0-9]{2} / || /^\.$/ {
            printf "\x1b[38;5;244m%s\x1b[0m\n", $0
            next
        }

        # keep all other lines unstyled
        1

        # fail the script if any lookup failed
        END { if (nerr > 0) exit 1 }'

    # any lookup failure eventually results in the whole script failing,
    # but only after trying to show results for all words given
    if [ $? -ne 0 ]; then
        errcode=1
    fi
done

exit "${errcode}"