#!/bin/bash
mage2install()
{

if [ $(echo mysql --version | grep 5.6 | wc -l)  == 0 ]; then
        echo "Insufficient MySQL Version"
        exit 1
fi

if [ $(stat /etc/php-fpm.d/ | wc -l) == 0 ]; then
        echo "Non php-fpm server!"
        exit 1
fi


#help dialog
HELP='mage2_install \n
Usage: \n
mage2_install [opts] PATH : Install with default values. \n
Supported Flags -- \n
-n "..." Admin username (default: admin) \n
-p "..." Admin password (default: random len12) \n
-d "..." Database name (default: mage2) \n
-o "..." Database user name (default: mage2) \n
-P "..." Database user pass (default: random 12) \n
-b "..." Base URL (grabbed from PWD) \n
-B "..." Backend URL (default random 6_admin) \n
-F "..." Admin user first name (default: SW Email) \n
-L "..." Admin user last name (default: NULL) \n
-E "..." Admin user email (default: grabbed from SW) \n '

#check for help flag
if [ getopts h storage ]; then
        echo $HELP
fi

#parse flags
usr=pass=dbn=dbu=dbp=burl=aurl=fn=ln=email=0;
while getopts "n:p:d:o:b:B:F:L:E:" storage; do
        case "$storage" in
                "n")
                        name=1
                        ADMIN_USR=$OPTARG
                        ;;
                "p")
                        pass=1
                        ADMIN_PASS=$OPTARG
                        ;;
                "d")
                        dbn=1
                        DB_NAME=$OPTARG
                        ;;
                "o")
                        dbu=1
                        DB_USR=$OPTARG
                        ;;
                "P")
                        dbp=1
                        DB_PASS=$OPTARG
                        ;;
                "b")
                        burl=1
                        BASE_URL=$OPTARG
                        ;;
                "s")
                        sample=1
                        ;;
                "B")
                        aurl=1
                        ADMIN_URL=$OPTARG
                        ;;
                "F")
                        fname=1
                        FNAME=$OPTARG
                        ;;
                "L")
                        lname=1
                        LNAME=$OPTARG
                        ;;
                "E")
                        email=1
                        EMAIL=$OPTARG
                        ;;
                *)
                        exit -1
        esac
done

#check if user can access dir...
UNIXUSR=` echo $PWD | awk -F"/chroot/home/|/home/" '{ print $2 }' | awk -F"/" '{ print $1 }' `
if [ `whichphp $UNIXUSR | grep -E "55|56" | wc -l` == 0 ]; then
        echo "Invalid PHP version!"
        exit 1
fi

#has to be 55 or 56...
if [ `whichphp $UNIXUSR | grep "55"` != 0 ]; then
        phpv=php55
else
        phpv=php56
fi

sw_email=`sudo -u $UNIXUSR siteworx -u --controller Overview --action listAccountDetails | grep email | awk '{print $2}'`
primary=`sudo -u $UNIXUSR siteworx -u --controller Overview --action listAccountDetails | grep master | awk '{print $2}'`

#working directory
work_dir="${@: -1}"
if [ `sudo -u $UNIXUSR touch $work_dir` != 1 ]; then
        echo "Invalid installation directory!"
        exit 1
fi

#password
if [ $pass==0 ]; then
        ADMIN_PWD=`mkpasswd -l 12 -C 4 -c 2 -d 4 -s 0`
fi

#admin user
if [ $usr==0 ]; then
        ADMIN_USR="admin"
fi

#base url
if [ $burl==0 ]; then
        tempurl=`echo $PWD | awk -F"/chroot/home/|/home/" '{ print $2 }' | awk -F"/" '{ print $2 }' `
        BASE_URL="http://$tempurl/"
fi

#db user, name and user_pass
if [ dbu==0 ]; then
        DB_USR=$UNIXUSR"_mage2"
fi
if [ dbn==0 ]; then
        DB_NAME=$UNIXUSR"_mage2"
fi
if [ dbp==0 ]; then
        DB_PASS=`mkpasswd -l 12 -C 2 -c 2 -d 2 -s 0`
fi

#user info
if [ fname==0 ]; then
        FNAME=$sw_email
fi
if [ lname==0 ]; then
        LNAME="NULL"
fi
if [ email==0 ]; then
        EMAIL=$sw_email
fi

#backend name
if [ aurl==0 ]; then
        BACKEND=`mkpasswd -l 6 -C 2 -c 2 -d 2 -s 0`"_admin"
fi

#make the db
sudo -u "$UNIXUSR" siteworx -u -n --login_domain="$primary" --controller MysqlDb --action add --name="$DB_NAME"

#check because interworx returns 0 always :(
ret=`sudo -u "$UNIXUSR" siteworx -u -n --login_domain="$primary" --controller MysqlDB --action list | grep "$DB_NAME" | wc -l`
if [ ret==0 ]; then
        echo "Failed to create database!"
        exit 1
fi

#do it again for the user
return=`sudo -u "$UNIXUSR" siteworx -u -n --login_domain="$primary" --controller MysqlUser --action add --name="$DB_NAME" --password="$DB_PASS" --confirm_password="$DB_PASS" `
ret=`sudo -u "$UNIXUSR" siteworx -u -n --login_domain="$primary" --controller MysqlUser --action list | grep "$DB_USR" | wc -l`
if [ ret==0 ]; then
        echo "Failed to add db user!"
        exit 1
fi

#permissions
sudo -u $UNIXUSR -u -n --login_domain=$primary --controller MysqlPerms --action add --name $DB_NAME --user $DB_USR
ret=`sudo -u "$UNIXUSR" siteworx -u -n --login_domain="$primary" --controller MysqlPerms --action queryDatabaseUserPerms --name "$DB_NAME" | grep "$DB_USR" | wc -l`
if [ ret==0 ]; then
        echo "Failed to assign user permissions!"
        exit 1
fi

echo -e "Installation details -- \n
Working Directory: $work_dir \n
Frontend URL: $BASE_URL \n
Backend URL: $ADMIN_URL \n
Backend User: $ADMIN_USR \n
Backend Password: $ADMIN_PASS \n
Database: $DB_NAME \n
DB User: $DB_USER \n
DB Pass: $DB_PASS \n
Version: Latest"
echo "Proceed with installation? [Y/n]"
read user_in

if [ "$user_in" != "y" ] && [ "$user_in" != "Y" ] && ![ -z "$user_in" ]; then
        echo "Terminating install process. Database information may have been created and needs to removed before attempting again."
        exit 1
fi

echo "Downloading Magento installation package..."
if [ sample==1 ]; then
    wget http://pubfiles.nexcess.net/magento/ce-packages/magento2-latest-with-samples.tar.gz -o "$work_dir/magento2.tar.gz"
else
    curl http://pubfiles.nexcess.net/magento/ce-packages/magento2-latest.tar.gz -o "$work_dir/magento2.tar.gz"
fi
tar zxf "$work_dir/magento2.tar.gz"
echo "Finished acquiring installation package."
echo "Running installer now."

if [ "$phpv"=="php55" ]; then
        /opt/nexcess/php55u/root/usr/bin/php -d memory_limit=1024M bin/magento setup:install \
        --base-url=$BASE_URL \
        --db-host=127.0.0.1 \
        --db-name=$DB_NAME \
        --db-user=$DB_USR \
        --db-password=$DB_PWD \
        --admin-firstname=$FNAME \
        --admin-lastname=$LNAME \
        --admin-email=$EMAIL \
        --admin-user=$ADMIN_USR \
        --admin-password=$ADMIN_PWD \
        --use-rewrites=1 \
        --language=en_US \
        --currency=USD \
        --timezone=America/New_York \
        --backend-front-name=$ADMIN_URL ; \
else
        /opt/nexcess/php56u/root/usr/bin/php -d memory_limit=1024M bin/magento setup:install \
        --base-url=$BASE_URL \
        --db-host=127.0.0.1 \
        --db-name=$DB_NAME \
        --db-user=$DB_USR \
        --db-password=$DB_PWD \
        --admin-firstname=$FNAME \
        --admin-lastname=$LNAME \
        --admin-email=$EMAIL \
        --admin-user=$ADMIN_USR \
        --admin-password=$ADMIN_PWD \
        --use-rewrites=1 \
        --language=en_US \
        --currency=USD \
        --timezone=America/New_York \
        --backend-front-name=$ADMIN_URL ; \
fi

echo "Applying permissions fix..."
sed -i 's/0770/0775/' $work_dir"vendor/magento/framework/Filesystem/DriverInterface.php"

echo "Installation completed!"
echo "Frontend: $BASE_URL"
echo "Backend: $BASE_URL$BACKEND"
echo "User: $ADMIN_USR"
echo "Password: $ADMIN_PWD"

exit 0;

}


#corlando's whichphp script
whichphp ()
{
    phpregex="php[0-9][0-9]";
    if [[ -z "$1" ]]; then
        printf "No argument given; 1st argument must be a shell user\n";
    else
        if ! id -u "$1" > /dev/null 2>&1; then
            printf "User $1 doesn't exist.\n";
        else
            shelluser="$1";
            if [[ ! -e "/var/spool/cron/${shelluser}" ]]; then
                printf "%s - %s\n" "cron: php53" "No crontab found.";
            else
                if ! grep -qoP "$phpregex" "/var/spool/cron/${shelluser}"; then
                    printf "%s - %s\n" "cron: php53" "No php entry found in crontab.";
                else
                    phpcronversion=$(grep -oP "$phpregex" "/var/spool/cron/${shelluser}" | head -n1);
                    printf "%s %s\n" "cron:" "$phpcronversion";
                fi;
            fi;
            if [[ ! -e "/home/${shelluser}/.bashrc" ]]; then
                printf "%s - %s\n" "cli: php53" "No bashrc found.";
            else
                if ! grep -qoP "$phpregex" "/home/${shelluser}/.bashrc"; then
                    printf "%s - %s\n" "cli: php53" "No PHP entry in bashrc found.";
                else
                    phpcliversion=$(grep -oP "$phpregex" "/home/${shelluser}/.bashrc");
                    printf "%s %s\n" "cli:" "$phpcliversion";
                fi;
            fi;
            for i in /opt/nexcess/php*u/root/etc/php-fpm.d/${shelluser}.conf;
            do
                if [[ -e $i ]] && [[ -s $i ]] && grep -qvP "^;" $i; then
                    phpwebversion=$(echo "$i" | grep -oP "$phpregex");
                    printf "%s %s\n" "web:" "$phpwebversion";
                else
                    continue;
                fi;
            done;
            if [[ -z "$phpwebversion" ]]; then
                printf "%s - %s\n" "web: php53" "No fpm pool files in /opt.";
            fi;
        fi;
    fi;
}