#!/bin/bash
# info: delete php fpm version
# options: VERSION
#
# The function checks and delete a fpm php version if not used by any domain.


#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Argument definition
version=$1

# Includes
source $HESTIA/func/main.sh
source $HESTIA/conf/hestia.conf


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

check_args '1' "$#" 'VERSION'

# Set file locations
php_fpm="/etc/init.d/php$version-fpm"

# Verify php version format
if [[ ! $version =~ ^[0-9]\.[0-9]+ ]]; then
    echo "The php version format is invalid, it should look like [0-9].[0-9]..."
    exit
fi

# Remove backend template
[ -f $HESTIA/data/templates/web/php-fpm/PHP-${version/\./_}.tpl ] && rm -f $HESTIA/data/templates/web/php-fpm/PHP-${version/\./_}.tpl

# Check if php version exists
if [ ! -f "$php_fpm" ] && [ ! -f "$HESTIA/data/templates/$WEB_SYSTEM/PHP-$version.sh" ]; then
    echo "Version is not installed..."
    exit
fi

# Perform verification if read-only mode is enabled
check_hestia_demo_mode


#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

mph="php$version-mbstring php$version-bcmath php$version-cli php$version-curl
     php$version-fpm php$version-gd php$version-intl php$version-mysql
     php$version-soap php$version-xml php$version-zip php$version-mbstring
     php$version-json php$version-bz2 php$version-pspell"

# Check is version is 7.1 or below to add mcrypt
if [[ `echo "$version 7.2" | awk '{print ($1 < $2)}'` == 1 ]]; then
    mph="$mph php$version-mcrypt"
fi

# Purge php packages
apt-get -y purge $mph > /dev/null 2>&1 &
BACK_PID=$!

# Check if package removal is done, print a spinner
echo "Removing PHP-$version, please wait..."
spinner="/-\|"
spin_i=1
while kill -0 $BACK_PID > /dev/null 2>&1 ; do
    printf "\b${spinner:spin_i++%${#spinner}:1}"
    sleep 0.5
done

# Do a blank echo to get the \n back
echo

# Check if installation was sucessfully
if [ -f "$php_fpm" ]; then
    echo "Uninstallation failed, please run the following command manualy for debuging:"
    echo "apt-get purge $mph"
fi

# Cleanup php folder
[[ -d /etc/php/$version ]] && rm -rf "/etc/php/$version"


#----------------------------------------------------------#
#                       Hestia                             #
#----------------------------------------------------------#

# Logging
log_history "removed php $version" '' 'admin'
log_event "$OK" "$ARGUMENTS"

exit