#!/bin/sh
#
# Find opening balance accounts by translations and add slot with key 'opening-balance' to make them translation independent
#
# @author Ralf Habacker <ralf.habacker@freenet.de>
#
r=$(realpath $0)
r=$(dirname $r)
r=$(dirname $r)

# debug
#grep -rn -A1 '"Opening Balances"' $r/po | grep msgstr > translation-of-opening-balance-with-files.txt
#grep -rnf translation-of-opening-balance.txt $r/data/accounts > all-opening-balances-accounts.txt

if test -z "$1" || test "$1" == "--collect"; then
    # collect all translations for 'Opening Balances'
    grep -rn -A1 '"Opening Balances"' $r/po | grep msgstr | gawk '{ $1=""; print $0}' | sed 's,^ ,,g;s,",,g' | grep -v "^$" | sed 's,^,<act:name>,g;s,$,.*</act:name>,g' > translation-of-opening-balance.txt

    # collect all translations for 'Opening Balances' with optional last character
    grep -rn -A1 '"Opening Balances"' $r/po | grep msgstr | gawk '{ $1=""; print $0}' | sed 's,^ ,,g;s,",,g' | grep -v "^$" | sed 's,^,<act:name>,g;s,$,*</act:name>,g' >> translation-of-opening-balance.txt

    # add custom strings
    cat << EOF >> translation-of-opening-balance.txt
<act:name>Openingsbalans</act:name>
<act:name>9000 Saldenvortrag Sachkonten</act:name>
<act:name>9000 Saldenvorträge Sachkonten</act:name>
<act:name>Saldenvorträge Sachkonten</act:name>
EOF

fi

# collect all files that contains a translation for 'Opening Balances'
for i in $(grep -rnf translation-of-opening-balance.txt $r/data/accounts | sed 's,:[ ]*,:,g;s, ,#,g'); do
    #echo $i
    file=$(echo $i | sed 's,:.*$,,g')
    pattern=$(echo $i | sed 's,^.*:<,<,g;s,#, ,g')
    #echo "searching for $pattern in $file"
    # add equity-type slot
    gawk '
BEGIN {
    found = 0;
    slotadded = 0;
    slotpresent = 0;
    patternfound = 0;
}

# search for account name
$0 ~ PATTERN {
    slotadded = 0
    slotpresent = 0
    patternfound = 1
    replace = 1
    #print "<!-- replace -->"
}

# opening-balance slot is already available
replace && $1 == "<slot:key>equity-type</slot:key>" {
    slotkeypresent = 1
}

slotkeypresent && $1 == "<slot:value type=\"string\">opening-balance</slot:value>" {
    replace = 0
    slotpresent = 1
}

#exclude parent named like opening balance account
replace && $1 == "<slot:key>placeholder</slot:key>" {
    replace = 0
}

# add new slots tag
replace && $1 == "</gnc:account>" {
    if (slotkeypresent) {
        print FILE ": slot equity-type already present with different value, could not tag '" PATTERN "' as opening balance account" > /dev/stderr
    } else {
        print "  <act:slots>"
        print "    <slot>"
        print "      <slot:key>equity-type</slot:key>"
        print "      <slot:value type=\"string\">opening-balance</slot:value>"
        print "    </slot>"
        print "  </act:slots>"
        slotadded = 1
        replace = 0
    }
}

{
    print $0;
}

END {
    if (!patternfound)
        print FILE ": opening balance account not found with pattern " PATTERN > /dev/stderr
    #if (!slotpresent && !slotadded)
    #print FILE " opening balance account not found with pattern " PATTERN > /dev/stderr
}
    ' "PATTERN=$pattern" $file > $file.new
    mv $file.new $file
done

oba=""
nooba=""
for i in $(find $r/data/accounts -name '*.gnucash-xea'); do
    o=$(grep -Hn "opening-balance" $i)
    if test -z "$o"; then
        nooba="$nooba\n$i"
    else
        oba="$oba\n$i"
    fi
done

echo "------------------------------------------------------------"
echo -e "The following files do not have an account with slot key 'opening-balance'"
echo -e $nooba
echo
echo "------------------------------------------------------------"
echo -e "The following files have an account with slot key 'opening-balance'"
echo -e $oba