# 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/.
"""
Transform the beetmover task into an actual task description.
"""

from __future__ import absolute_import, print_function, unicode_literals

from voluptuous import Optional, Required

from six import text_type
from taskgraph.loader.single_dep import schema
from taskgraph.transforms.base import TransformSequence
from taskgraph.transforms.task import task_description_schema
from taskgraph.util.attributes import copy_attributes_from_dependent_job
from taskgraph.util.scriptworker import (generate_beetmover_artifact_map,
                                         generate_beetmover_upstream_artifacts,
                                         get_beetmover_bucket_scope,
                                         get_beetmover_action_scope)
from taskgraph.util.treeherder import replace_group


transforms = TransformSequence()

beetmover_description_schema = schema.extend({
    # depname is used in taskref's to identify the taskID of the unsigned things
    Required('depname', default='build'): text_type,

    # unique label to describe this beetmover task, defaults to {dep.label}-beetmover
    Optional('label'): text_type,

    # treeherder is allowed here to override any defaults we use for beetmover.  See
    # taskcluster/taskgraph/transforms/task.py for the schema details, and the
    # below transforms for defaults of various values.
    Optional('treeherder'): task_description_schema['treeherder'],

    # locale is passed only for l10n beetmoving
    Optional('locale'): text_type,

    Required('shipping-phase'): task_description_schema['shipping-phase'],
    Optional('shipping-product'): task_description_schema['shipping-product'],
    Optional('attributes'): task_description_schema['attributes'],
})


transforms.add_validate(beetmover_description_schema)


@transforms.add
def make_task_description(config, jobs):
    for job in jobs:
        dep_job = job['primary-dependency']
        attributes = dep_job.attributes

        treeherder = job.get('treeherder', {})
        treeherder.setdefault(
            'symbol',
            replace_group(dep_job.task['extra']['treeherder']['symbol'], 'BM')
        )
        dep_th_platform = dep_job.task.get('extra', {}).get(
            'treeherder', {}).get('machine', {}).get('platform', '')
        treeherder.setdefault('platform',
                              "{}/opt".format(dep_th_platform))
        treeherder.setdefault(
            'tier',
            dep_job.task.get('extra', {}).get('treeherder', {}).get('tier', 1)
        )
        treeherder.setdefault('kind', 'build')
        label = job['label']
        description = (
            "Beetmover submission for locale '{locale}' for build '"
            "{build_platform}/{build_type}'".format(
                locale=attributes.get('locale', 'en-US'),
                build_platform=attributes.get('build_platform'),
                build_type=attributes.get('build_type')
            )
        )

        dependencies = {dep_job.kind: dep_job.label}

        # XXX release snap-repackage has a variable number of dependencies, depending on how many
        # "post-beetmover-dummy" jobs there are in the graph.
        if dep_job.kind != 'release-snap-repackage' and len(dep_job.dependencies) > 1:
            raise NotImplementedError(
                "Can't beetmove a signing task with multiple dependencies")
        signing_dependencies = dep_job.dependencies
        dependencies.update(signing_dependencies)

        attributes = copy_attributes_from_dependent_job(dep_job)
        attributes.update(job.get('attributes', {}))

        if job.get('locale'):
            attributes['locale'] = job['locale']

        bucket_scope = get_beetmover_bucket_scope(config)
        action_scope = get_beetmover_action_scope(config)

        task = {
            'label': label,
            'description': description,
            'worker-type': 'beetmover',
            'scopes': [bucket_scope, action_scope],
            'dependencies': dependencies,
            'attributes': attributes,
            'run-on-projects': dep_job.attributes.get('run_on_projects'),
            'treeherder': treeherder,
            'shipping-phase': job['shipping-phase'],
        }

        yield task


def craft_release_properties(config, job):
    params = config.params
    build_platform = job['attributes']['build_platform']
    build_platform = build_platform.replace('-nightly', '')
    build_platform = build_platform.replace('-shippable', '')
    if build_platform.endswith("-source"):
        build_platform = build_platform.replace('-source', '-release')

    # XXX This should be explicitly set via build attributes or something
    if 'android' in job['label'] or 'fennec' in job['label']:
        app_name = 'Fennec'
    elif config.graph_config['trust-domain'] == 'comm':
        app_name = 'Thunderbird'
    else:
        # XXX Even DevEdition is called Firefox
        app_name = 'Firefox'

    return {
        'app-name': app_name,
        'app-version': params['app_version'],
        'branch': params['project'],
        'build-id': params['moz_build_date'],
        'hash-type': 'sha512',
        'platform': build_platform,
    }


@transforms.add
def make_task_worker(config, jobs):
    for job in jobs:
        valid_beetmover_job = (len(job["dependencies"]) == 2 and
                               any(['signing' in j for j in job['dependencies']]))
        # XXX release snap-repackage has a variable number of dependencies, depending on how many
        # "post-beetmover-dummy" jobs there are in the graph.
        if '-snap-' not in job['label'] and not valid_beetmover_job:
            raise NotImplementedError("Beetmover must have two dependencies.")

        locale = job["attributes"].get("locale")
        platform = job["attributes"]["build_platform"]

        worker = {
            'implementation': 'beetmover',
            'release-properties': craft_release_properties(config, job),
            'upstream-artifacts': generate_beetmover_upstream_artifacts(
                config, job, platform, locale
            ),
            'artifact-map': generate_beetmover_artifact_map(
                config, job, platform=platform, locale=locale
            ),
        }

        if locale:
            worker["locale"] = locale
        job["worker"] = worker

        yield job