# Copyright 2021 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.
"""Recipe for running a specified script from."""

import re

from PB.recipes.pigweed.run_script import InputProperties

DEPS = [
    'fuchsia/status_check',
    'pigweed/checkout',
    'pigweed/environment',
    'recipe_engine/context',
    'recipe_engine/properties',
    'recipe_engine/step',
]

PROPERTIES = InputProperties


def RunSteps(api, props):
    checkout = api.checkout(props.checkout_options)
    env = api.environment.init(checkout.root, props.environment_options)

    cmd = [checkout.root.join(props.script)]

    with env():
        for arg in props.arguments:
            repl = lambda match: getattr(env, match.group(1))
            arg = re.sub(r'\$([\w]+)', repl, arg)
            arg = re.sub(r'\$\{([\w]+)\}', repl, arg)
            cmd.append(arg)

        with api.context(cwd=checkout.root):
            api.step('run {}'.format(props.script), cmd)


def GenTests(api):
    def properties(**kwargs):
        new_kwargs = api.checkout.git_properties()
        new_kwargs.update(kwargs)
        return api.properties(**new_kwargs)

    yield (
        api.status_check.test('run_script')
        + properties(script='foo/bar/run-tests.sh', arguments='foo bar'.split())
    )

    yield (
        api.status_check.test('variable_substitution')
        + properties(
            script='run-tests.sh',
            arguments='without=$PW_TEST_VAR with=${PW_TEST_VAR}'.split(),
        )
    )