#!/usr/bin/python3
# -*- coding: utf-8 -*-
# (c) 2012 Canonical Ltd.
#
# Authors: Alberto Milone <alberto.milone@canonical.com>
#
# 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.

import xkit.xutils
import xkit.xorgparser
import Quirks.quirkinfo
from typing import Optional, Dict, List, Any

import tempfile
import os


class Quirk:

    def __init__(
        self,
        id: Optional[str] = None,
        handler: List[str] = [],
        x_snippet: str = "",
        match_tags: Dict[str, List[str]] = {},
    ) -> None:
        self.id = id
        self.handler = handler
        self.x_snippet = x_snippet
        self.match_tags: Dict[str, List[str]] = {
            k: [] for k in Quirks.quirkinfo.dmi_keys
        }


class ReadQuirk:

    def __init__(self, source: Optional[str] = None) -> None:
        self.source = source

        # See if the source is a file or a file object
        # and act accordingly
        file = self.source
        lines_list: List[str] = []
        if file == None:
            lines_list = []
        else:
            if not hasattr(file, "write"):  # it is a file
                if isinstance(file, str):
                    myfile = open(file, "r", encoding="utf-8")
                    try:
                        lines_list = myfile.readlines()
                        myfile.close()
                    except UnicodeDecodeError:
                        lines_list = []
                    myfile.close()
            else:
                # it is a file object
                if hasattr(file, "readlines"):
                    lines_list = file.readlines()  # type: ignore[union-attr]

        inside_quirk = False
        has_id = False
        has_handler = False
        inside_x_snippet = False
        self._quirks: List[Quirk] = []

        it = 0
        for line in lines_list:
            if line.strip().startswith("#"):
                continue
            if inside_quirk:
                if inside_x_snippet:

                    if line.lower().strip().startswith("endxorgsnippet"):
                        inside_x_snippet = False
                        continue
                    else:
                        self._quirks[it].x_snippet += line
                else:
                    # not in x_snippet
                    if not has_id and line.lower().strip().startswith("identifier"):
                        has_id = True
                        temp_str = "identifier"
                        id = (
                            line[line.lower().rfind(temp_str) + len(temp_str) :]
                            .strip()
                            .replace('"', "")
                        )
                        self._quirks[it].id = id
                        del temp_str
                    elif not has_handler and line.lower().strip().startswith("handler"):
                        has_handler = True
                        temp_str = "handler"
                        handler = (
                            line[line.lower().rfind(temp_str) + len(temp_str) :]
                            .strip()
                            .replace('"', "")
                        )
                        handlers_list = handler.split("|")
                        self._quirks[it].handler = handlers_list
                        del temp_str
                    elif line.lower().strip().startswith("match"):
                        temp_str = "match"
                        temp_bits = (
                            line[line.lower().rfind(temp_str) + len(temp_str) :]
                            .strip()
                            .split('"')
                        )
                        tag_match = ""
                        tag_value = ""
                        tag_values: List[str] = []
                        for elem in temp_bits:
                            if elem.strip():
                                if not tag_match:
                                    tag_match = elem.strip()
                                    # tag_values = []
                                else:
                                    tag_value = elem.strip()
                                    tag_values = tag_value.split("|")
                                    self._quirks[it].match_tags[tag_match] = tag_values
                                    break
                        del temp_bits
                        del temp_str
                        del tag_values
                    elif line.lower().strip().startswith("xorgsnippet"):
                        inside_x_snippet = True
                        self._quirks[it].x_snippet = ""
                        continue

                    elif line.lower().strip().startswith("endsection"):
                        # End Quirk
                        inside_quirk = False
                        if not self._quirks[it].id:
                            self._quirks.pop(it)
                        else:
                            it += 1
            else:
                if (
                    line.lower().strip().startswith("section")
                    and "quirk" in line.lower()
                ):
                    # Begin Quirk
                    inside_quirk = True
                    temp_quirk = Quirk()
                    self._quirks.append(temp_quirk)
                    del temp_quirk
                    continue

    def get_quirks(self) -> List[Quirk]:
        return self._quirks


# if __name__ == "__main__":
# quirk_file = ReadQuirk("quirk_snippet.txt")
# quirks = quirk_file.get_quirks()
# for quirk in quirks:
# print 'Quirk id: "%s"' % quirk.id
# for tag in quirk.match_tags.keys():
# print 'Matching "%s" with value "%s"' % (tag, quirk.match_tags[tag])
# print quirk.x_snippet

# tmp_file = tempfile.NamedTemporaryFile(mode='w', delete=False)
# tmp_file.write(quirk.x_snippet)
# tmp_file.close()

# tmp_xkit = xkit.xorgparser.Parser(tmp_file.name)
# print tmp_xkit.globaldict
# os.unlink(tmp_file.name)