# -*- coding: utf-8 -*-
#
# Copyright (c) 2016-2017 Kevin Deldycke <kevin@deldycke.com>
#                         and contributors.
# All Rights Reserved.
#
# 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.

from __future__ import (
    absolute_import,
    division,
    print_function,
    unicode_literals
)

import re

from boltons.cacheutils import cachedproperty

from ..base import PackageManager
from ..platform import MACOS


class MAS(PackageManager):

    cli_path = '/usr/local/bin/mas'

    platforms = frozenset([MACOS])

    # 'mas outdated' output has been changed in 1.3.1: https://github.com
    # /mas-cli/mas/commit/ca72ee42b1c5f482513b1d2fbf780b0bf3d9618b
    requirement = '>= 1.3.1'

    @cachedproperty
    def name(self):
        return "Mac AppStore"

    def get_version(self):
        return self.run([self.cli_path, 'version'])

    def sync(self):
        super(MAS, self).sync()

        output = self.run([self.cli_path] + self.cli_args + ['outdated'])
        if not output:
            return

        regexp = re.compile(r'(\d+) (.*) \((\S+) -> (\S+)\)$')
        for application in output.split('\n'):
            if not application:
                continue
            package_id, package_name, installed_version, latest_version = \
                regexp.match(application).groups()
            self.outdated[package_id] = {
                'id': package_id,
                'name': package_name,
                'latest_version': latest_version,
                # Normalize unknown version. See: https://github.com/mas-cli
                # /mas/commit/1859eaedf49f6a1ebefe8c8d71ec653732674341
                'installed_version': (
                    installed_version if installed_version != 'unknown'
                    else None)}

    def upgrade_cli(self, package_id):
        return [self.cli_path] + self.cli_args + ['install', package_id]

    def upgrade_all_cli(self):
        return [self.cli_path] + self.cli_args + ['upgrade']
