# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
"""
Generate labels for tasks without names, consistently.
Uses attributes from primary dependency.
"""

from taskgraph.transforms.base import TransformSequence
from taskgraph.util.dependencies import get_primary_dependency

transforms = TransformSequence()


@transforms.add
def make_label(config, jobs):
    """Generate a sane label for a new task constructed from a dependency
    Using attributes from the dependent job and the current task kind"""
    for job in jobs:
        dep_job = get_primary_dependency(config, job)
        assert dep_job

        attr = dep_job.attributes.get

        if attr("locale", job.get("locale")):
            template = "{kind}-{locale}-{build_platform}/{build_type}"
        elif attr("l10n_chunk"):
            template = "{kind}-{build_platform}-{l10n_chunk}/{build_type}"
        elif config.kind.startswith("release-eme-free") or config.kind.startswith(
            "release-partner-repack"
        ):
            suffix = job.get("extra", {}).get("repack_suffix", None) or job.get(
                "extra", {}
            ).get("repack_id", None)
            template = "{kind}-{build_platform}"
            if suffix:
                template += "-{}".format(suffix.replace("/", "-"))
        else:
            template = "{kind}-{build_platform}/{build_type}"
        job["label"] = template.format(
            kind=config.kind,
            build_platform=attr("build_platform"),
            build_type=attr("build_type"),
            locale=attr("locale", job.get("locale", "")),  # Locale can be absent
            l10n_chunk=attr("l10n_chunk", ""),  # Can be empty
        )

        yield job