# -*- coding: utf-8 -*-
# This file is part of lyx2lyx
# Copyright (C) 2018 The LyX team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

""" Convert files to the file format generated by lyx 2.4"""

import re, string
import unicodedata
import sys, os

# Uncomment only what you need to import, please.

from parser_tools import (find_end_of_inset, find_token, get_value) 
#    del_token, del_value, del_complete_lines,
#    find_complete_lines, find_end_of, find_end_of_layout, 
#    find_re, find_substring, find_token_backwards,
#    get_containing_inset, get_containing_layout, get_bool_value, get_value,
#    get_quoted_value, is_in_inset, set_bool_value
#    find_tokens, find_token_exact, check_token, get_option_value

from lyx2lyx_tools import (add_to_preamble)
#  put_cmd_in_ert, revert_font_attrs, insert_to_preamble, latex_length
#  get_ert, lyx2latex, lyx2verbatim, length_in_bp, convert_info_insets
#  revert_flex_inset, hex2ratio, str2bool

####################################################################
# Private helper functions



###############################################################################
###
### Conversion and reversion routines
###
###############################################################################

  
def convert_lst_literalparam(document):
    " Add param literal to include inset "

    i = 0
    while True:
        i = find_token(document.body, '\\begin_inset CommandInset include', i)
        if i == -1:
            break
        j = find_end_of_inset(document.body, i)
        if j == -1:
            document.warning("Malformed LyX document: Can't find end of command inset at line %d" % i)
            i += 1
            continue
        while i < j and document.body[i].strip() != '':
            i += 1
        document.body.insert(i, "literal \"true\"")


def revert_lst_literalparam(document):
    " Remove param literal from include inset "

    i = 0
    while True:
        i = find_token(document.body, '\\begin_inset CommandInset include', i)
        if i == -1:
            break
        j = find_end_of_inset(document.body, i)
        if j == -1:
            document.warning("Malformed LyX document: Can't find end of include inset at line %d" % i)
            i += 1
            continue
        k = find_token(document.body, 'literal', i, j)
        if k == -1:
            i += 1
            continue
        del document.body[k]


def revert_paratype(document):
    " Revert ParaType font definitions to LaTeX "

    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1:
        preamble = ""
        i1 = find_token(document.header, "\\font_roman \"PTSerif-TLF\"", 0)
        i2 = find_token(document.header, "\\font_sans \"default\"", 0)
        i3 = find_token(document.header, "\\font_typewriter \"default\"", 0)
        j = find_token(document.header, "\\font_sans \"PTSans-TLF\"", 0)
        sfval = get_value(document.header, "\\font_sf_scale", 0)
        document.warning("sfval: " + str(sfval))
        # cutoff " 100"
        sfval = sfval[:-4]
        sfoption = ""
        if sfval != "100":
            sfoption = "scaled=" + format(float(sfval) / 100, '.2f')
        k = find_token(document.header, "\\font_typewriter \"PTMono-TLF\"", 0)
        ttval = get_value(document.header, "\\font_tt_scale", 0)
        # cutoff " 100"
        ttval = ttval[:-4]
        ttoption = ""
        if ttval != "100":
            ttoption = "scaled=" + format(float(ttval) / 100, '.2f')
        if i1 != -1 and i2 != -1 and i3!= -1:
            add_to_preamble(document, ["\\usepackage{paratype}"])
        else:
            if i1!= -1: 
                add_to_preamble(document, ["\\usepackage{PTSerif}"])
            if j!= -1: 
                if sfoption != "":
                	add_to_preamble(document, ["\\usepackage[" + sfoption + "]{PTSans}"])
                else:
                	add_to_preamble(document, ["\\usepackage{PTSans}"])
            if k!= -1: 
                if ttoption != "":
                	add_to_preamble(document, ["\\usepackage[" + ttoption + "]{PTMono}"])
                else:
                	add_to_preamble(document, ["\\usepackage{PTMono}"])


def revert_xcharter(document):
    " Revert XCharter font definitions to LaTeX "

    if find_token(document.header, "\\use_non_tex_fonts false", 0) != -1:
        preamble = ""
        i1 = find_token(document.header, "\\font_roman \"xcharter\"", 0)
        if i1 != -1:
            add_to_preamble(document, ["\\usepackage{XCharter}"])


##
# Conversion hub
#

supported_versions = ["2.4.0", "2.4"]
convert = [
           [545, [convert_lst_literalparam]],
           [546, []],
           [547, []]
          ]

revert =  [
           [546, [revert_xcharter]],
           [545, [revert_paratype]],
           [544, [revert_lst_literalparam]]
          ]


if __name__ == "__main__":
    pass