#
# Copyright (C) 2012 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


from color import Coloring
from command import PagedCommand


class Overview(PagedCommand):
    common = True
    helpSummary = "Display overview of unmerged project branches"
    helpUsage = """
%prog [--current-branch] [<project>...]
"""
    helpDescription = """
The '%prog' command is used to display an overview of the projects branches,
and list any local commits that have not yet been merged into the project.

The -b/--current-branch option can be used to restrict the output to only
branches currently checked out in each project.  By default, all branches
are displayed.
"""

    def _Options(self, p):
        p.add_option('-b', '--current-branch',
                     dest="current_branch", action="store_true",
                     help="Consider only checked out branches")

    def Execute(self, opt, args):
        all_branches = []
        for project in self.GetProjects(args):
            br = [project.GetUploadableBranch(x)
                  for x in list(project.GetBranches().keys())]
            br = [x for x in br if x]
            if opt.current_branch:
                br = [x for x in br if x.name == project.CurrentBranch]
            all_branches.extend(br)

        if not all_branches:
            return

        class Report(Coloring):
            def __init__(self, config):
                Coloring.__init__(self, config, 'status')
                self.project = self.printer('header', attr='bold')
                self.text = self.printer('text')

        out = Report(all_branches[0].project.config)
        out.text("Deprecated. See repo info -o.")
        out.nl()
        out.project('Projects Overview')
        out.nl()

        project = None

        for branch in all_branches:
            if project != branch.project:
                project = branch.project
                out.nl()
                out.project('project %s/' % project.relpath)
                out.nl()

            commits = branch.commits
            date = branch.date
            print('%s %-33s (%2d commit%s, %s)' % (
                branch.name == project.CurrentBranch and '*' or ' ',
                branch.name,
                len(commits),
                len(commits) != 1 and 's' or ' ',
                date))
            for commit in commits:
                print('%-35s   - %s' % ('', commit))
