#!/bin/sh

# The MIT License (MIT)
#
# Copyright © 2020-2025 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.


# weather [places...]
#
# Show a weather forecast for the places (anywhere in the world) given, using
# ANSI styles to make things stand out.


case "$1" in
    -h|--h|-help|--help)
        {
            awk '/^# +weather /, /^$/ { gsub(/^# ?/, ""); print }' "$0"
            printf "Each place/argument allows the prefixes shown below.\n\n"
            printf "\r\n" | curl --show-error -s telnet://graph.no:79
        } | less -JMKiCRS
        exit 0
    ;;
esac

if [ $# -eq 0 ]; then
    {
        awk '/^# +weather /, /^$/ { gsub(/^# ?/, ""); print }' "$0"
        printf "Each place/argument allows the prefixes shown below.\n\n"
        printf "\r\n" | curl --show-error -s telnet://graph.no:79
    } | less -JMKiCRS
    exit 0
fi

gap=0
width="$(($(tput cols) - 2))"

for place in "$@"; do
    [ "${gap}" -gt 0 ] && printf "\n"
    gap=1

    # printf "\e[48;2;218;218;218m%-${width}s\e[0m\n" "${place}"
    printf "\e[7m%-${width}s\e[0m\n" "${place}"

    printf "%s~%s\r\n\r\n" "${place}" "${width}" |
    curl --show-error -s telnet://graph.no:79 |
    sed -u -E \
        -e 's/ *\r?$//' \
        -e '/^\[/d' \
        -e 's/^ *-= *([^=]+) +=- *$/\1\n/' \
        -e 's/-/\x1b[38;2;196;160;0m●\x1b[0m/g' \
        -e 's/^( +)\x1b\[38;2;196;160;0m●\x1b\[0m/\1-/g' \
        -e 's/\|/\x1b[38;2;52;101;164m█\x1b[0m/g' \
        -e 's/#/\x1b[38;2;218;218;218m█\x1b[0m/g' \
        -e 's/\^/\x1b[38;2;164;164;164m^\x1b[0m/g' \
        -e 's/\*/○/g' | awk 1
done | less -JMKiCRS