#!/bin/bash

W=$(whoami)

if [ "$W" != "root" ]; then
	echo "Please login as root to continue."
	exit 1
fi

if [ "$1" == "update" ]; then

	mkdir -p /usr/local/gopanel
	cd /usr/local/gopanel
	rm -rf stable.tar.gz
	wget https://download.gopanel.org/stable.tar.gz -q -t 1 -T 10 --no-check-certificate
	tar -xzf stable.tar.gz
	
	/usr/local/gopanel/go/update

	if [ ! -e /go ]; then
		ln -s /usr/local/gopanel/go /go
	fi

	exit 1

fi

if [[ $@ = *"--force"* ]]; then
	rm -rf /usr/local/gopanel
fi

if [[ $(free -m | grep Mem | awk '{ print $2 }' | sed 's/i//') -lt "1500" ]]; then
	
	echo "GoPanel requires at least 2 GB of RAM to install."

	Memory=$(free -h | grep Mem | awk '{ print $2 }' | sed 's/i//')
	echo "Detected: ${Memory}"
	echo "Required: 2G"

	exit 1

fi

mkdir -p /usr/local/gopanel
mkdir -p /usr/local/gopanel/db

if [ "$1" == "lite" ]; then

	echo "" > /usr/local/gopanel/db/lite.db

fi

if command -v dnf &> /dev/null; then

	dnf -y update
	dnf -y upgrade
	dnf -y install epel-release
	
	echo -ne "Working... Please be patient"

	echo -ne "."
	dnf -y install ca-certificates &> /dev/null
	echo -ne "."
	dnf -y install wget &> /dev/null
	echo -ne "."
	dnf -y install tar &> /dev/null
	echo -ne "."
	dnf -y install gzip &> /dev/null
	echo -ne "."
	dnf -y install rsync &> /dev/null
	echo -ne "."
	dnf -y install net-tools &> /dev/null
	echo -ne "."
	dnf -y install sudo &> /dev/null
	

elif command -v yum &> /dev/null; then

	yum -y update
	yum -y upgrade
	yum -y install epel-release
	
	echo -ne "Working... Please be patient"

	echo -ne "."
	yum -y install ca-certificates &> /dev/null
	echo -ne "."
	yum -y install wget &> /dev/null
	echo -ne "."
	yum -y install tar &> /dev/null
	echo -ne "."
	yum -y install gzip &> /dev/null
	echo -ne "."
	yum -y install rsync &> /dev/null
	echo -ne "."
	yum -y install net-tools &> /dev/null
	echo -ne "."
	yum -y install sudo &> /dev/null

fi

if command -v apt &> /dev/null; then

	export DEBIAN_FRONTEND=noninteractive

	apt -y update
	apt -y upgrade
	apt -y install -y software-properties-common

	dpkg --configure -a

	apt -y autoremove
	apt -y clean
	apt -y autoclean

	echo -ne "Working... Please be patient"

	echo -ne "."
	apt -y install ca-certificates &> /dev/null
	echo -ne "."
	apt -y install wget &> /dev/null
	echo -ne "."
	apt -y install tar &> /dev/null
	echo -ne "."
	apt -y install gzip &> /dev/null
	echo -ne "."
	apt -y install rsync &> /dev/null
	echo -ne "."
	apt -y install net-tools &> /dev/null
	echo -ne "."
	apt -y install sudo &> /dev/null

fi

echo ""

if [ -d "/usr/local/gopanel/home/go" ]; then
	echo "GoPanel already installed on your system."
	echo "Force to reinstall Go Panel run:"
	echo "./latest --force"
	echo "Recommended: Reinstall OS"
	exit 1
fi

cd /usr/local/gopanel
rm -rf stable.tar.gz

SiteArray=('download.gopanel.org' 'mirror.gopanel.org')
SiteArray=($(shuf -e "${SiteArray[@]}"))
for Site in ${SiteArray[@]}
do
    wget $Site/stable.tar.gz -q -t 1 -T 20 --no-check-certificate && break
done

if [ -f "stable.tar.gz" ]; then

	if gzip -t stable.tar.gz; then

		rm -rf /usr/local/gopanel/home/go
		tar -xzf stable.tar.gz
		rm -rf stable.tar.gz

	else

		echo "Go Panel Download failed."
		exit 1

	fi
	
else

	/go/resolver
	echo "Go Panel Download failed. Try Again"
	exit 1
	
fi

TimeStamp=$(date +'%s')
echo "$TimeStamp" > /usr/local/gopanel/db/elapsed.db

if [ ! -e /go ]; then
    ln -s /usr/local/gopanel/go /go
fi

/go/setup &