#!/bin/bash



################
#Check for root#
################
if [ ! $USERNAME = "root" ]; then
    pkexec /usr/share/browser-manager/brave/install
    exit 0
fi

##########
#Question#
##########
zenity --question --title="Continue?" --text "The use of Brave is governed by the Terms of Use found at https://brave.com/terms-of-use/,
are you sure you want to install Brave?" --no-wrap

if [ ! $? -eq 0 ]; then
           exit
fi

###############################
#Remove Old Brave#
###############################
dpkg --get-selections | grep -P -q "brave\t*install"

if [ $? -eq 0 ]; then
         if [ -e "/usr/bin/brave" ]; then
                  apt-get -y purge brave | zenity --progress --no-cancel --title="Installing..." --text="Removing the Old Brave..." --pulsate --auto-close
                  rm -f /etc/apt/sources.list.d/brave.list
         fi
fi

###############################
#Check if program is installed#
###############################
dpkg --get-selections | grep -P -q "brave-browser\t*install"

if [ $? -eq 0 ]; then
         if [ -e "/usr/bin/brave-browser" ]; then
                  zenity --info --title="Information" --text="Brave is already installed!"
                  exit 0
         fi
fi

###################################
#Check if program is not installed#
###################################
dpkg --get-selections | grep -P -q "brave\t*install"

if [ ! $? -eq 0 ]; then
         if [ ! -e "/usr/bin/brave-browser" ]; then

#################
#Install program#
#################
		#Add PPA if it doesn't exist

		if [ ! -f /etc/apt/sources.list.d/brave.list ]; then
                  apt-get update | zenity --progress --no-cancel --no-cancel --title="Installing..." --text="Updating package archive..." --pulsate --auto-close && wget -q -O - https://brave-browser-apt-release.s3.brave.com/brave-core.asc | apt-key add -  | zenity --progress --no-cancel --title="Installing..." --text="Obtaining Brave GPG Key..." --pulsate --auto-close
                    echo "deb [arch=amd64] https://brave-browser-apt-release.s3.brave.com/ stable main" | tee /etc/apt/sources.list.d/brave.list
		fi
		  sleep 1
                  apt-get update | zenity --progress --no-cancel --title="Installing..." --text="Updating package archive..." --pulsate --auto-close && apt-get -y install brave-keyring brave-browser | zenity --progress --no-cancel --title="Installing..." --text="Downloading and Installing..." --pulsate --auto-close
         fi
         ######################
         #Double Check Package#
         ######################
         dpkg --get-selections | grep -P -q "brave-browser\t*install"

         if [ $? -eq 0 ]; then
                  if [ -e "/usr/bin/brave-browser" ]; then
                           zenity --info --title="Installation Complete" --text="Brave installed successfully!"
                           exit 0
                  fi
                  #######
                  #Error#
                  #######
                  zenity  --error --text="An error occured." --title="Error"
                  exit 0
         fi
fi

#######
#Error#
#######
zenity  --error --text="An error occured." --title="Error"
exit 0