#!/bin/bash

echo "####################################################################"
echo "# docker_php_apache build_script                                   #"
echo "# Dennis Buchhorn - bucde@b-eit.de                                 #"
echo "####################################################################"
echo "# This script will build an 'php:8.1.1-apache-buster' image with   #"
echo "# customized uid and gid for 'www-data' user.                      #"
echo "# With this you can bind mount volumes to /var/www/html/* and have #"
echo "# the same permissions from the host (if uid and gid matches).     #"
#echo "#  #"
echo "####################################################################"
echo ""

PHP_APACHE_IMAGE_NAME="b-eit/php:8.1.1-apache-buster"

PHP_APACHE_WWW_DATA_UID=""
PHP_APACHE_WWW_DATA_GID=""

read -p "Enter uid for 'www-data' user: " PHP_APACHE_WWW_DATA_UID
read -p "Enter gid for 'www-data' user: " PHP_APACHE_WWW_DATA_GID

git submodule update --init --recursive

git clean -dfx

cp docker_library_php/8.1/bullseye/apache/* .

rm -f tmp
touch tmp

PATCH_APPLIED="false"

while IFS= read -r LINE; do
    printf "%s\n" "$LINE"
    
    if ! [[ $PATCH_APPLIED == "true" ]]; then
        if [[ $LINE == *"FROM debian:"* ]]; then
            printf "\n"
            printf "ARG PHP_APACHE_WWW_DATA_UID=33\n"
            printf "ARG PHP_APACHE_WWW_DATA_GID=33\n"
            printf "RUN groupmod -g \$PHP_APACHE_WWW_DATA_GID www-data; \\"
            printf "\n"
            printf "\tusermod -u \$PHP_APACHE_WWW_DATA_UID -g \$PHP_APACHE_WWW_DATA_GID www-data\n"
            
            PATCH_APPLIED="true"
        fi
    fi
done < "Dockerfile" > tmp

rm -f Dockerfile
mv tmp Dockerfile

docker build -t $PHP_APACHE_IMAGE_NAME --build-arg PHP_APACHE_WWW_DATA_UID=$PHP_APACHE_WWW_DATA_UID --build-arg PHP_APACHE_WWW_DATA_GID=$PHP_APACHE_WWW_DATA_GID .

echo "Done!"