#!/bin/sh

set -e

# Load debconf
. /usr/share/debconf/confmodule

if [ "$1" != reconfigure ]; then

    php70_done=1

    for SAPI in apache2 cli; do
        db_fget php7.0-cn/${SAPI} seen
        if [ "$RET" != "true" ]; then
            php70_done=0
            break
        fi
    done

    test $php70_done -eq 1 && exit 0
fi

PHP70DIR="/etc/php/7.0"

# phpmemlimit ()
#
#   Calculate memory size for PHP memory_limit option.
#
phpmemlimit () {

    local memtotal memlimit
    memtotal=`awk 'tolower($1) == "memtotal:" { printf("%i", $2/1024); }' /proc/meminfo`

    if [ $memtotal -lt 512 ]; then memlimit=16; fi
    if [ $memtotal -ge 512 ]; then memlimit=32; fi
    if [ $memtotal -gt 1024 ]; then memlimit=64; fi

    echo $memlimit
}


# Check for PHP5 SAPI configuration.
#
for SAPI in apache2 cli; do

    ini_diff=0
    ini_file="$PHP70DIR/$SAPI/php.ini"

    upload_max_filesize=
    post_max_size=
    memory_limit=
    error_reporting=

    phplimit="$(phpmemlimit)M"

    if [ -f "$ini_file" ]; then

        if egrep -q "^[[:space:]]*(upload_max_filesize|post_max_size|memory_limit|error_reporting)[[:space:]]*=" $ini_file; then

            upload_max_filesize=`awk '$1 == "upload_max_filesize" { print $3; exit(0) }' $ini_file`
            post_max_size=`awk '$1 == "post_max_size" { print $3; exit(0) }' $ini_file`
            memory_limit=`awk '$1 == "memory_limit" { print $3; exit(0) }' $ini_file`
            error_reporting=`awk '$1 == "error_reporting" { print $3; exit(0) }' $ini_file`

            if [ "$upload_max_filesize" != "256M" ]; then ini_diff=1; fi
            if [ "$post_max_size" != "$phplimit" ]; then ini_diff=1; fi
            if [ "$memory_limit" != "$phplimit" ]; then ini_diff=1; fi
            if [ "$error_reporting" != "E_ERROR" ]; then ini_diff=1; fi
        else

            ini_diff=1
        fi
    else

        ini_diff=1
    fi

    if [ $ini_diff -eq 1 ]; then

        # Configurations are not the same - ask user what to do.
        test -z "$upload_max_filesize" && upload_max_filesize="2M"
        test -z "$post_max_size" && post_max_size="8M"
        test -z "$memory_limit" && memory_limit="16M"
        test -z "$error_reporting" && error_reporting="E_ALL & ~E_DEPRECATED"

        db_title php7.0-cn - konfiguracija za $(echo ${SAPI} | sed 's/a/A/;s/cli/CLI/')
        db_subst php7.0-cn/${SAPI} ini_file "$ini_file"

        db_subst php7.0-cn/${SAPI} upload_max_filesize "$upload_max_filesize"
        db_subst php7.0-cn/${SAPI} post_max_size "$post_max_size"
        db_subst php7.0-cn/${SAPI} memory_limit "$memory_limit"

        db_subst php7.0-cn/${SAPI} new_phplimit "$phplimit"

        db_subst php7.0-cn/${SAPI} error_reporting "$error_reporting"
        db_subst php7.0-cn/${SAPI} new_error_reporting "E_ERROR"

        db_input critical php7.0-cn/${SAPI} || true
        db_go || true
    else

        db_set php7.0-cn/${SAPI} false || true
        db_fset php7.0-cn/${SAPI} seen true
    fi

done

exit 0