# Copyright 2019 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Recipe for updating the code search super manifest project."""

from recipe_engine.recipe_api import Property

DEPS = [
    "fuchsia/checkout",
    "fuchsia/git",
    "fuchsia/jiri",
    "fuchsia/status_check",
    "recipe_engine/context",
    "recipe_engine/file",
    "recipe_engine/path",
    "recipe_engine/properties",
    "recipe_engine/step",
]

PROPERTIES = {
    "manifest": Property(kind=str, help="Jiri manifest to use.", default="flower"),
    "remote": Property(kind=str, help="Remote manifest repository.",),
    "super_manifest_project": Property(
        kind=str, help="Super manifest project to update.",
    ),
    "dry_run": Property(kind=bool, help="Don't push changes.", default=False),
}

GENERATE_SCRIPT = "setup.sh"


def RunSteps(api, manifest, remote, super_manifest_project, dry_run):
    api.checkout.fuchsia_with_options(
        manifest=manifest,
        path=api.path["start_dir"],
        remote=remote,
        fetch_packages=False,
    )

    with api.step.nest("checkout super manifest project"):
        super_manifest_project_path = api.path["start_dir"].join("super")
        api.file.ensure_directory("make dirs", super_manifest_project_path)

        api.git.checkout(
            url=super_manifest_project,
            path=super_manifest_project_path,
            submodules=False,
        )

    generate_script_path = super_manifest_project_path.join(GENERATE_SCRIPT)
    with api.context(cwd=super_manifest_project_path):
        # See https://fuchsia.googlesource.com/jiri/+/master/cmd/jiri/generate-gitmodules.go
        # for details.
        api.jiri(
            "generate-gitmodules",
            "--redir-root",
            "--generate-script",
            generate_script_path,
            ".gitmodules",
        )
        api.step("run %s" % GENERATE_SCRIPT, [generate_script_path])
        api.file.remove("remove %s" % GENERATE_SCRIPT, generate_script_path)
        # Add & Push updated submodules.
        api.git.add(pathspec=".gitmodules")
        # Only commit and push if we have a diff, otherwise commit fails.
        if api.git.diff(
            ref_base=None, cached=True, exit_code=True, ok_ret="any"
        ).retcode:
            api.git.commit(message="Update submodules based on jiri manifest")
            api.git.push("HEAD:master", dryrun=dry_run)


def GenTests(api):
    def props(**kwargs):
        return api.properties(
            remote="https://fuchsia.googlesource.com/integration",
            super_manifest_project="https://fuchsia.googlesource.com/super",
            **kwargs
        )

    yield api.status_check.test("no_diff") + props()
    yield api.status_check.test("yes_diff") + props() + api.step_data(
        "git diff", retcode=1
    )
    yield api.status_check.test("dry_run") + props(dry_run=True) + api.step_data(
        "git diff", retcode=1
    )