#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (C) 1998-2026 Stephane Galland <galland@arakhne.org>
#
# This program is free library; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 3 of the
# License, or any later version.
#
# This library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; see the file COPYING.  If not,
# write to the Free Software Foundation, Inc., 59 Temple Place - Suite
# 330, Boston, MA 02111-1307, USA.

"""
Biber tools.
"""

import re
from typing import Any, override

from autolatex2.tex.abstractbibliography import BibliographyErrorParser

class BiberErrorParser(BibliographyErrorParser):
	"""
	Parser for errors generated by Biber.
	"""

	def __init__(self):
		"""
		Construct the parser.
		"""
		pass

	@override
	def parse_log(self, default_filename : str, log : str) -> dict[str,Any] | None:
		"""
		Parse the Biber log and replies the discovered error.
		:param default_filename: The name of the Biber file to parse.
		:type default_filename: str
		:param log: Content of the log.
		:type log: str
		:return: the error from Biber.
		:rtype: str | None
		"""
		current_error = dict()
		for line in re.split(r'[\n\r]',  log):
			m = re.search(r'^\s*ERROR\s*-\s*.*subsystem:\s*(.+?),\s*line\s+([0-9]+),\s*(.*?)\s*$',  line, re.S | re.IGNORECASE)
			if m:
				filename = m.group(1)
				lineno = int(m.group(2))
				message = m.group(3)
				m = re.search(r'^(.+)_[0-9]+\.[a-zA-Z0-9_-]+$',  filename,  re.S)
				if m:
					filename = m.group(1)
				current_error = {
					'filename': filename , 
					'lineno': lineno, 
					'message': message
				}
				return current_error
			else:
				m = re.search(r'^\s*ERROR\s*-\s*(.+?)\s*$',  line,  re.S | re.IGNORECASE)
				if m:
					message = m.group(1)
					current_error = {
						'filename': default_filename ,
						'lineno': 0, 
						'message': message
					}
					return current_error
		if current_error:
			return current_error
		return None