#!/bin/bash
FILE=Makefile
work_dir="${PWD}"
cores="$(nproc)"
curses_url="https://invisible-mirror.net/archives/ncurses/current/ncurses.tar.gz"
	if [ -d "ncurses" ]
	then
		echo "You have already fetched the ncurses source code. Skipping this step..."
	else
	        mkdir  ncurses
	        wget -q -O- "${curses_url}" | tar -xz -C ncurses
	        echo "Fetched ncurses source code from ${curses_url}..."
	fi
        cd ncurses/*/ || exit
        echo "Runnning configure script..." 
	if test -f "$FILE"; then
		echo "You have already compiled ncurses. Skipping this step..."
		echo "However, ensure that you ran the 'configure' script with the '--with-pthread' and '--with-shared' flags."
		echo ""
	else
	        ./configure --with-pthread --with-shared > /dev/null
        	echo "Running make..."         
	        make -j"${cores}" > /dev/null
	fi
	cd lib || exit
	FILE=libncursest.so.?.?
	

	if ls /lib/${FILE} 1> /dev/null 2>&1 ; then
		echo "You have a version of ncurses that was identical to the one that was compiled."
		echo " Quitting..."
		exit
	else
		echo "You have a different version of ncurses than the one that was just compiled."
		read -p "Would you like to install the new version? [y/N] " userchoice


		if [ "$userchoice" = "y" ]; then
			echo "The program will now attempt to install the new version of ncurses (the one that was just compiled). In order to do this, the sudo password is required."
			echo "Installing the new version of ncurses..."
			cd ../ || exit
			sudo make install
			echo "The new version has been installed. The program will now quit."
			echo "Quitting..."
			exit

		else
			echo "You chose to not install the new ncurses version. This program will now quit."
			echo "Quitting..."
			exit			
		fi
	fi