# This file is part of lyx2lyx
# Copyright (C) 2002-2004 José Matos <jamatos@lyx.org>
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

"""Convert files to the file format generated by lyx 1.1.6, fix3 and fix4"""

import re

from parser_tools import find_re, find_token


def bool_table(item):
    "Convert 0, 1 to false, true."
    if item == "0":
        return "false"
    # should emit a warning if item != "1"
    return "true"


align_vertical = {"0": "top", "1": "bottom", "2": "center"}
align_table = {"0": "top", "2": "left", "4": "right", "8": "center"}
use_table = {"0": "none", "1": "parbox"}
table_meta_re = re.compile(r'<LyXTabular version="?1"? rows="?(\d*)"? columns="?(\d*)"?>')


def update_tabular(document):
    "Update tabular format to version 2 (xml like syntax)."
    regexp = re.compile(r"^\\begin_inset\s+Tabular")
    lines = document.body
    i = 0
    while True:
        i = find_re(lines, regexp, i)
        if i == -1:
            break

        i = i + 1

        # scan table header meta-info
        res = table_meta_re.match(lines[i])
        if res:
            val = res.groups()
            lines[i] = '<lyxtabular version="2" rows="%s" columns="%s">' % val

        j = find_token(lines, "</LyXTabular>", i) + 1
        if j == 0:
            document.warning("Error: Bad lyx format i=%d j=%d" % (i, j))
            break

        new_table = table_update(lines[i:j])
        lines[i:j] = new_table
        i = i + len(new_table)


col_re = re.compile(
    r'<column alignment="?(\d)"? valignment="?(\d)"? leftline="?(\d)"? rightline="?(\d)"? width="(.*)" special="(.*)">'
)
cell_re = re.compile(
    r'<cell multicolumn="?(\d)"? alignment="?(\d)"? valignment="?(\d)"? topline="?(\d)"? bottomline="?(\d)"? leftline="?(\d)"? rightline="?(\d)"? rotate="?(\d)"? usebox="?(\d)"? width="(.*)" special="(.*)">'
)
features_re = re.compile(
    r'<features rotate="?(\d)"? islongtable="?(\d)"? endhead="?(-?\d)"? endfirsthead="?(-?\d)"? endfoot="?(-?\d)"? endlastfoot="?(-?\d)"?>'
)
row_re = re.compile(r'<row topline="?(\d)"? bottomline="?(\d)"? newpage="?(\d)"?>')


def table_update(lines):
    "Update table's internal content to format 2."
    lines[1] = lines[1].replace("<Features", "<features")
    res = features_re.match(lines[1])
    if res:
        val = res.groups()
        lines[1] = (
            f'<features rotate="{bool_table(val[0])}" islongtable="{bool_table(val[1])}" endhead="{val[2]}" endfirsthead="{val[3]}" endfoot="{val[4]}" endlastfoot="{val[5]}">'
        )

    if lines[2] == "":
        del lines[2]
    i = 2
    col_info = []
    while i < len(lines):
        lines[i] = lines[i].replace("<Cell", "<cell")
        lines[i] = lines[i].replace("</Cell", "</cell")
        lines[i] = lines[i].replace("<Row", "<row")
        lines[i] = lines[i].replace("</Row", "</row")
        lines[i] = lines[i].replace("<Column", "<column")
        lines[i] = lines[i].replace("</Column", "</column")
        lines[i] = lines[i].replace("</LyXTabular", "</lyxtabular")
        k = lines[i].find("<column ")
        if k != -1:
            col_info.append(lines[i])
            del lines[i]
            continue

        if lines[i] == "</column>" or lines[i] == "<column>":
            del lines[i]
            continue

        res = cell_re.match(lines[i])
        if res:
            val = res.groups()
            lines[i] = (
                f'<cell multicolumn="{val[0]}" alignment="{align_table[val[1]]}" valignment="{align_vertical[val[2]]}" topline="{bool_table(val[3])}" bottomline="{bool_table(val[4])}" leftline="{bool_table(val[5])}" rightline="{bool_table(val[6])}" rotate="{bool_table(val[7])}" usebox="{use_table[val[8]]}" width="{val[9]}" special="{val[10]}">'
            )

        res = row_re.match(lines[i])
        if res:
            val = res.groups()
            lines[i] = (
                f'<row topline="{bool_table(val[0])}" bottomline="{bool_table(val[1])}" newpage="{bool_table(val[2])}">'
            )

        i = i + 1

    j = len(col_info)
    for i in range(j):
        res = col_re.match(col_info[i])
        if res:
            val = res.groups()
            col_info[i] = (
                '<column alignment="%s" valignment="%s" leftline="%s" rightline="%s" width="%s" special="%s">'
                % (
                    align_table[val[0]],
                    align_vertical[val[1]],
                    bool_table(val[2]),
                    bool_table(val[3]),
                    val[4],
                    val[5],
                )
            )

    return lines[:2] + col_info + lines[2:]


supported_versions = ["1.1.6fix3", "1.1.6fix4", "1.1"]
convert = [[218, [update_tabular]]]
revert = []


if __name__ == "__main__":
    pass