#!/bin/bash
#2026 miredo

version="2"
refresh_time=30

#strip out excess keypresses
cleanbuffer() {
	while read -t 0
	do
		read -N 1 -s
	done
}

#reset all colors
reset_col() {
	echo -e -n "\033[0m"
}

#set the color
#usage: set_col color bold
#color 30-37: blk, red, grn, ylw, blu, mag, cyn, wht
#40-47 set the background color
#bold is 1 or 0
set_col() {
	echo -e -n "\033[$2;$1m"
}

#main program starts here, shows the intro
reset_col
clear
set_col 36 0
echo "miredo's comchat viewer for Chat@Heyuri"
echo "version $version"
set_col 36 1
echo "press q to exit"
sleep 1 #minimum time to show the header

#main loop here
while true
do
	#get terminal size
	scr_w=`tput cols`
	scr_h=`tput lines`
	#load and format the message list
	reset_col
	set_col 31 1
	echo "[loading...]"
	cleanbuffer
	#TODO: handle HTML entities somehow lol
	#TODO: strip all control characters - probably not an issue, but there isn't a real reason to not do it
	msg="$(curl -s https://cgi.heyuri.net/chat/simplelog.txt | fold -s -w $scr_w | head -n $(expr $scr_h - 3) )"
	clear
	set_col 44 0
	set_col 37 1
	echo "[refeshed on $(date) | ($scr_w"x"$scr_h) | reload: $refresh_time"s"]"
	#display the messages
	#dumb hack that admittedly doesn't matter to show the first line in a diferent color
	reset_col
	set_col 37 1
	echo "$msg" | head -n 1
	reset_col
	echo "$msg" | tail -n +2
	set_col 44 0
	set_col 37 1
    echo "keys: q-quit, all others refresh"
	reset_col
	#handle quit/refresh, quits on q
	read -t $refresh_time -N 1 -s inp
	if [[ "$inp" == "q" ]]
	then
		exit 1
	fi
	cleanbuffer
	set_col 33 1
	echo "[refreshing...]"
	reset_col
	sleep 1 #minimum time so we don't hammer the site with a bunch of requests
done