#!/usr/bin/python
# -*- coding: utf-8 -*-

# config.py file is part of slpkg.

# Copyright 2014-2016 Dimitris Zlatanidis <d.zlatanidis@gmail.com>
# All rights reserved.

# Slpkg is a user-friendly package manager for Slackware installations

# https://github.com/dslackw/slpkg

# Slpkg 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 3 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, see <http://www.gnu.org/licenses/>.


import shutil
import filecmp
import subprocess

from slpkg.utils import Utils
from slpkg.__metadata__ import MetaData as _meta_


class Config(object):
    """Print or edit slpkg configuration file
    """
    def __init__(self):
        self.config_file = "/etc/slpkg/slpkg.conf"
        self.meta = _meta_

    def view(self):
        """View slpkg config file
        """
        print("")   # new line at start
        conf_args = [
            "RELEASE",
            "BUILD_PATH",
            "PACKAGES",
            "PATCHES",
            "CHECKMD5",
            "DEL_ALL",
            "DEL_BUILD",
            "SBO_BUILD_LOG",
            "MAKEFLAGS",
            "DEFAULT_ANSWER",
            "REMOVE_DEPS_ANSWER",
            "SKIP_UNST",
            "RSL_DEPS",
            "DEL_DEPS",
            "USE_COLORS",
            "DOWNDER",
            "DOWNDER_OPTIONS",
            "SLACKPKG_LOG",
            "ONLY_INSTALLED",
            "PRG_BAR",
            "EDITOR"
        ]
        read_conf = Utils().read_file(self.config_file)
        for line in read_conf.splitlines():
            if not line.startswith("#") and line.split("=")[0] in conf_args:
                print("{0}".format(line))
            else:
                print("{0}{1}{2}".format(self.meta.color["CYAN"], line,
                                         self.meta.color["ENDC"]))
        print("")   # new line at end

    def edit(self):
        """Edit configuration file
        """
        subprocess.call("{0} {1}".format(self.meta.editor,
                                         self.config_file), shell=True)

    def reset(self):
        """Reset slpkg.conf file with default values
        """
        shutil.copy2(self.config_file + ".orig", self.config_file)
        if filecmp.cmp(self.config_file + ".orig", self.config_file):
            print("{0}The reset was done{1}".format(
                self.meta.color["GREEN"], self.meta.color["ENDC"]))
        else:
            print("{0}Reset failed{1}".format(self.meta.color["RED"],
                                              self.meta.color["ENDC"]))
