#!/bin/sh

# Usually intended for the statusbar.

# If we have internet, get a weather report from wttr.in and store it locally.
# You could set up a shell alias to view the full file in a pager in the
# terminal if desired. This function will only be run once a day when needed.
# Options can be found at https://wttr.in/:help
weatherfile="${XDG_CACHE_HOME:-$HOME/.cache}/weatherreport"
emojifile="${XDG_CACHE_HOME:-$HOME/.cache}/weatheremoji"
url="wttr.in/Karlsruhe"
opt="?F"
emojiopt="?format=1"
convertemoji() {
	sed -i '
s/☀️//
s/☁️//
s/⛅️//
s/⛈//
s/✨//
s/❄️//
s/🌦//
s/🌧//
s/🌨//
s/🌩//
s/🌫//
' "$emojifile"
}
getforecast() { curl -sf "$url$opt" >"$weatherfile" && curl -sf "$url$emojiopt" >"$emojifile" || exit 1; }
showweather() {
	emoji="$(printf "\033[12m%s\033[10m" "$(cut -d ' ' -f 1 "$emojifile")")"
	sed '16q;d' "$weatherfile" | grep -wo "[0-9]*%" | sort -rn | sed "s/^/$emoji /g;1q" | tr -d '\n'
	sed '13q;d' "$weatherfile" | grep -o "m\\([-+]\\)*[0-9]\\+" | sed 's/+//g' | sort -n -t 'm' -k 2n | sed -e 1b -e '$!d' | tr '\n|m' ' ' | awk '{print " \033[34m\033[0m " $1 "°","\033[31m\033[0m " $2 "°"}'
}
getforecast && convertemoji
showweather