# 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.

import optparse

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 -c/--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(
            "-c",
            "--current-branch",
            action="store_true",
            help="consider only checked out branches",
        )
        p.add_option(
            "--no-current-branch",
            dest="current_branch",
            action="store_false",
            help="consider all local branches",
        )
        # Turn this into a warning & remove this someday.
        p.add_option(
            "-b",
            dest="current_branch",
            action="store_true",
            help=optparse.SUPPRESS_HELP,
        )

    def Execute(self, opt, args):
        all_branches = []
        for project in self.GetProjects(
            args, all_manifests=not opt.this_manifest_only
        ):
            local_branches = project.GetBranches()
            br = []
            for name, branch in local_branches.items():
                uploadable = project.GetUploadableBranch(name)
                if uploadable:
                    uploadable.branch.current = branch.current
                    br.append(uploadable)
            if opt.current_branch:
                br = [x for x in br if x.current]
            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(local=opt.this_manifest_only)
                )
                out.nl()

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