#!/bin/sh

# Get Bitcoin price charts and display as image in sxiv.

DAYS="$(printf "last year\ntwo months\nlast month\nlast week\ntoday" | rofi -dmenu -p " Bitcoin Charts" -width 250)"
[ ! "$DAYS" ] && exit 1

case "$DAYS" in
  "last year") DAYS="365" ;;
  "two months") DAYS="60" ;;
  "last month") DAYS="30" ;;
  "last week") DAYS="7" ;;
  "today") DAYS="1" ;;
esac

width="940"
height="700"
source_="bitstampUSD"
URL="https://bitcoincharts.com/charts/chart.png?width=${width}&height=${height}&m=${source_}&r=${DAYS}&t=S&m1=10&m2=25"

CURRENT_PRICE="$(curl -s rate.sx/1btc | sed 's/\(.*\).\{5\}$/\1/')"

curl -k -s "$URL" -o /tmp/bitcoinchart
convert -pointsize 14 -font helvetica-bold -fill black -gravity North -draw "text 0,12 \"\$${CURRENT_PRICE}\"" \
  -fill white -draw "rectangle 900,0 702,30" /tmp/bitcoinchart /tmp/bitcoinchart
sxiv -b /tmp/bitcoinchart
rm /tmp/bitcoinchart