#!/usr/bin/env python3

import polib
import binascii
import getopt
import sys
import os.path
from subprocess import check_output

try:
    myopts, args = getopt.getopt(sys.argv[1:], "i:o:")
except getopt.GetoptError as e:
    print(" Syntax: uiex -i FileIn -o FileOut")
    print(" FileIn:   Source files (*.ui)")
    print(" FileOut:  Destination file (*.*)")
    sys.exit(2)

for o, a in myopts:
    if o == '-i':
        ifile = a
    elif o == '-o':
        ofile = a

with open(ofile, "a") as output:
    input = check_output(["xgettext", "--add-comments", "--no-wrap", ifile, "-o", "-"], encoding="UTF-8")
    po = polib.pofile(input)
    if len(po) != 0:
        print("", file=output)
        for entry in po:
            # skip 'stock' entries like "cancel", "help", "ok", etc
            # l10ntools/source/localize.cxx will insert one entry for each stock per .po
            if entry.msgctxt == "stock":
                continue
            try:
                keyid = entry.msgctxt + '|' + entry.msgid
            except Exception:
                print(f"There is a problem with the translatable string labeled \"{entry.msgid}\". Likely no context attribute has been specified.")
                sys.exit(2)
            print('#. ' + polib.genKeyId(keyid), file=output)
            for i, occurrence in enumerate(entry.occurrences):
                entry.occurrences[i] = os.path.relpath(occurrence[0], os.environ['SRCDIR']), occurrence[1]
            print(entry, file=output)