# Copyright 2020 The Pigweed Authors
#
# 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
#
#     https://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 recipe_engine import post_process, recipe_test_api


class RollUtilTestApi(recipe_test_api.RecipeTestApi):
    def properties(
        self,
        labels_to_set=None,
        labels_to_wait_on=None,
        commit_divider=None,
        footer=None,
    ):
        props = {}

        for label, value in (labels_to_set or {}).items():
            props.setdefault('labels_to_set', [])
            props['labels_to_set'].append({'label': label, 'value': value})

        if labels_to_wait_on:
            props['labels_to_wait_on'] = list(labels_to_wait_on)

        if commit_divider:
            props['commit_divider'] = commit_divider

        if footer:
            if isinstance(footer, str):
                footer = [footer]
            props['footer'] = footer

        return self.m.properties(**{'$pigweed/roll_util': props})

    def commit(
        self,
        commit_hash,
        message=None,
        author='author@example.com',
        name=None,
    ):
        if not message:
            message = """
module: Short commit summary

Longer commit details.

Bug: 123
Change-Id: I{commit_hash}
Reviewed-On: https://pigweed-review.googlesource.com/c/project/+/{commit_hash:.5}
            """.strip().format(
                commit_hash=commit_hash
            )

        if name is None:
            name = author.split('@')[0]

        return '\n'.join((commit_hash, name, author, message))

    def format_prefix(self, p):
        if not p:
            return p
        return f"{p.rstrip('.')}."

    def commit_data(self, name, *commits, prefix=''):
        assert isinstance(name, str)
        return self.step_data(
            f'{prefix}{name}.git log',
            stdout=self.m.raw_io.output_text('\0'.join(commits)),
        )

    def cancelled(self):
        return self.post_process(post_process.MustRunRE, '.*cancelling roll.*')

    def not_cancelled(self):
        return self.post_process(
            post_process.DoesNotRunRE, '.*cancelling roll.*'
        )

    def noop_roll(self, prefix='', name='get roll direction'):
        prefix = self.format_prefix(prefix)
        return self.step_data(
            f'{prefix}{name}.is forward', retcode=0
        ) + self.step_data(f'{prefix}{name}.is backward', retcode=0)

    def forward_roll(self, prefix='', name='get roll direction'):
        prefix = self.format_prefix(prefix)
        return self.step_data(
            f'{prefix}{name}.is forward', retcode=0
        ) + self.step_data(f'{prefix}{name}.is backward', retcode=1)

    def backward_roll(self, prefix='', name='get roll direction'):
        prefix = self.format_prefix(prefix)
        return self.step_data(
            f'{prefix}{name}.is forward', retcode=1
        ) + self.step_data(f'{prefix}{name}.is backward', retcode=0)

    def rebased_roll(self, prefix='', name='get roll direction'):
        prefix = self.format_prefix(prefix)
        return self.step_data(
            f'{prefix}{name}.is forward', retcode=1
        ) + self.step_data(f'{prefix}{name}.is backward', retcode=1)