# lognestmonster Copyright (c) 2019 Joshua 'joshuas3' Stockin
# <https://github.com/JoshuaS3/lognestmonster/>.


# This file is part of lognestmonster.

# lognestmonster is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# lognestmonster is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with lognestmonster. If not, see <https://www.gnu.org/licenses/>.


# get character from stdin

import termios, sys, tty
def getch():
	fd = sys.stdin.fileno()
	old_settings = termios.tcgetattr(fd)
	try:
		tty.setraw(fd)
		buf = sys.stdin.read(1)
		if buf == b"\x1b": # if escaped
			while True:
				ch = sys.stdin.read(1)
				buf += ch
				if ch.isalpha():
					break
	finally:
		termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
	return buf

# command

import subprocess
def command(*args):
	cmd_string = ""
	for i in args:
		cmd_string += i + " "
	cmd_string.rstrip()
	cmd_array = cmd_string.split(" ")
	readable = subprocess.Popen(cmd_array, stdout=subprocess.PIPE)
	return readable.stdout.read().decode("latin-1").strip()

# array to string

def array_stringify(array):
	index = 0
	for i in array:
		array[index] = str(i)
		index += 1
	return array

# echo output

import sys
def output(*array):
	array = array_stringify(list(array))
	s = "".join(array)
	sys.stdout.write(s.rstrip() + "\n")

def output_lines(array):
	for line in array:
		output(line)

# terminfo stuff

def term_size():
	lines = int(command("tput lines"))
	cols = int(command("tput cols"))
	return (lines, cols)

# drawing

import curses
def curses_window():
	# init curses
	curses.initscr()
	curses.start_color()

	# get screen size and create new window
	screen_size = term_size()
	screen = curses.newwin(screen_size[0], screen_size[1], 0, 0)

	# set cursor visibility to 0
	curses.curs_set(0)

	# set new window to current
	curses_refresh(screen)

	return screen

def curses_clear(screen):
	screen.clear()
	screen.touchwin()
	curses_refresh(screen)

def curses_refresh(screen):
	screen.refresh()

def curses_reset():
	try:
		if not curses.isendwin():
			curses.endwin()
	except:
		pass