#!/bin/bash

# Usage
#   sb-ticker
# Sample output
#   ^DJI: 0.09%
#   CL=F: -1.88%
# Description
#   displays/retrieves the latest percent-change in stock market quotes listed in $XDG_CONFIG_HOME/tickers.
#       defaults to S&P 500, Dow Jones Industrial, and the Nasdaq
#
#   intended to be used in the statusbar, which will display the first quote price in the output

url="terminal-stocks.dev"
pricefile="${XDG_CACHE_HOME:-$HOME/.cache}/stock-prices"
tickerfile="${XDG_CONFIG_HOME:-$HOME/.config}/tickers"

[ -f "$tickerfile" ] && tickers="$(cat "$tickerfile")" || tickers="^GSPC,^DJI,^IXIC"

checkprice() {
  [ -s "$pricefile" ] && [ "$(stat -c %y "$pricefile" 2>/dev/null |
    cut -d':' -f1)" != "$(date '+%Y-%m-%d %H')" ]
}

getchange() {
  mapfile -t changes < <(sed -e 's/  / /g' "$pricefile" | grep -oe '[m-]\+[0-9]\+\.[0-9]\+' | sed 's/[m ]/;/g')
  IFS=',' read -ra TICKER <<<"$tickers"
  for idx in "${!TICKER[@]}"; do
    printf "%s: %s%%\n" "${TICKER[$idx]}" "${changes[$idx]//;/}"
  done
}

updateprice() { curl -sfm 10 "$url/$tickers" --output "$pricefile" || rm -f "$pricefile"; }

case $BLOCK_BUTTON in
1) setsid "$TERMINAL" -e less -Srf "$pricefile" ;;
2)
  notify-send -u low "Updating..." "Updating prices"
  updateme="1"
  ;;
3) notify-send "Current prices:" "Current stock prices:\n<b>$(getchange)</b>

LEFT MOUSE BUTTON: show price file
MIDDLE MOUSE BUTTON: update stock prices
RIGHT MOUSE BUTTON: Get stock overview" ;;
6) setsid -f "$TERMINAL" -e "$EDITOR" "$0" ;;
esac

[ -n "$updateme" ] && updateprice

[ -f "$pricefile" ] && getchange

checkprice && updateprice