#!/bin/bash

# COLORS
source ./asides/color.sh

KEY_PHRASE="#hugogogo#"

# receive 1 argument : absolute path to config file
function restore_bak
{
	file_to="$1"
	file_name="$(basename $1)"
	path_file_to="$(dirname $1)"
	number=0
	while [ -f $file_to.hubak$number ]
	do
		((number+=1))
	done
	((number-=1))
	echo -en $YELLOW"in "
	echo -en $CYAN"\"$path_file_to/\""
	echo -en $YELLOW", mv "
	echo -en $CYAN"\"$file_name.hubak$number\""
	echo -en $YELLOW" to "
	echo -en $CYAN"\"$file_name\""$ENDCO"\n"
	mv $file_to.hubak$number $file_to
}

# receive 1 argument : absolute path to config file
function uninstall
{
	local file_to="$1"
	local file_name="$(basename "$1")"
	local path_file_to="$(dirname "$1")"

	echo -e $B_BLUE"--- Uninstalling \"$file_name\" ---"$ENDCO

	# -L check if is symlink
	if [ -L "$file_to" ]
	then
		echo -e $YELLOW"Found symlink: $file_to"$ENDCO
		# The symlink target is what we need to check for the key phrase
		local target_file=$(readlink "$file_to")
		if [ ! -f "$target_file" ]; then
			echo -e $RED"Symlink is broken."$ENDCO
			# Decide if you want to do something with broken symlinks, e.g. remove them.
			return
		fi

		if grep -q "$KEY_PHRASE" "$target_file"
		then
			echo -e $GREEN"Key phrase found. This is one of our config files."$ENDCO
			echo -en $YELLOW"in "
			echo -en $CYAN"\"$path_file_to/\""
			echo -en $YELLOW", rm symlink "
			echo -en $CYAN"\"$file_name\""$ENDCO"\n"
			rm "$file_to"

			if [ -f "$file_to.hubak0" ]
			then
				restore_bak "$file_to"
			else
				echo -e $YELLOW"No backup file found to restore."$ENDCO
			fi
		else
			echo -e $RED"Key phrase not found. Skipping to avoid removing a file not managed by this script."$ENDCO
		fi
	else
		echo -e $YELLOW"Not a symlink, or does not exist. Skipping: $file_to"$ENDCO
	fi
	echo # Add a blank line for readability
}


# argument : directory where the config file should go
echo -e $B_MAGENTA"--- Starting uninstall process ---"$ENDCO"\n"
uninstall "$HOME/.screenrc"
uninstall "$HOME/.vimrc"
uninstall "$HOME/.zshrc"
uninstall "$HOME/.vim/templates/skeleton_colors.h"
uninstall "$HOME/.vim/templates/skeleton.cpp"
uninstall "$HOME/.vim/templates/skeleton.hpp"
uninstall "$HOME/.vim/templates/skeleton_main.cpp"
uninstall "$HOME/.vim/templates/skeleton_makefile"