#!/bin/sh
meteobluelink="https://www.meteoblue.com/en/weather/forecast/multimodel/zurich_switzerland_2657896"
multimodel_path="$XDG_DATA_HOME/$(date +%s)_multimodel.png"

last_downloaded_path="$(for file in "$XDG_DATA_HOME"/*_multimodel.png; do
	echo "$file"
done | head -n1)"
last_downloaded="$(echo "${last_downloaded_path%_multimodel.png}" | awk 'BEGIN{FS="/"} {print $NF}')"
if [ "$last_downloaded" = "*" ]; then
	FLAG_download=true
else
	day_last_downloaded="$( date -d @"$last_downloaded" -I)"
	if [ "$(date -I)" != "$day_last_downloaded" ]; then
		echo "Last report is from another day, downloading for today..."
		rm "$XDG_DATA_HOME"/*_multimodel.png
		FLAG_download=true
	else
		FLAG_download=false
	fi
fi
if [ $FLAG_download = 'true' ]; then
	mb_imagelink="$(lynx --dump --listonly --nonumbers "$meteobluelink" | grep meteogram_multiSimple_hd)"
	curl -L "$mb_imagelink" -o "$multimodel_path"
else
	echo "currently downloaded multimodel is from today, showing cached version"
fi
sxiv "$XDG_DATA_HOME"/*_multimodel.png