"""
Amazon Prime Marketshare Workflow.

Ingest Amazon Prime marketshare data into marketshare table in Snowflake.
"""
from garcon.param import StaticParam
from garcon_contrib.dynamo_feed_status import garcon_feed_status

from feed_ingestion.flows import base
from feed_ingestion.flows.amazon_prime_marketshare import config
from feed_ingestion.flows.amazon_prime_marketshare import tasks
from feed_ingestion.tasks import date_tasks
from feed_ingestion.tasks import feed_status_tasks
from feed_ingestion.tasks import ftp_amazon_marketshare_tasks
from feed_ingestion.tasks import load_raw_table_tasks_sf
from feed_ingestion.tasks import overall_status_tasks


class Flow(
    base.FlowBase, base.FlowConfigMixin, base.FlowLoadRawMixinSF,
        base.FlowLoadMarketshareMixinSF):
    """Amazon Prime Marketshare Flow class.

    This flow downloads Amazon Prime marketshare data
    and loads to a main_market_share.
    """

    def __init__(self):
        """Initialize an Amazon Prime Marketshare workflow."""
        super(Flow, self).__init__(config.feed_name, config.feed_version)

    def decider(self, schedule):
        """Orchestrate an Amazon Prime Marketshare workflow.

        Args:
            schedule (callable): The scheduler method.
        """
        get_first_day_of_month = schedule(
            'get_first_day_of_month', self.get_first_day_of_month)

        bootstrap = schedule(
            'bootstrap',
            self.bootstrap,
            requires=[get_first_day_of_month])

        check_for_new_files = schedule(
            'check_for_new_files',
            self.check_for_new_files,
            requires=[bootstrap])

        if check_for_new_files.result.get('check_for_new_files.stop'):
            return

        fetch_from_drop_location = schedule(
            'fetch_from_drop_location',
            self.fetch_from_drop_location,
            requires=[check_for_new_files])

        if fetch_from_drop_location.result.get(
                'fetch_from_drop_location.stop'):
            return
        # Status updated to DOWNLOADED if files are present, else NOT_AVAILABLE
        set_status_to_downloaded = schedule(
             'set_status_to_downloaded',
             self.set_status_to_downloaded,
             requires=[fetch_from_drop_location])

        reset_dynamo_db_status = schedule(
            'reset_dynamo_db_status',
            self.reset_dynamo_db_status,
            requires=[set_status_to_downloaded])

        process_drop_files = schedule(
            'process_drop_files',
            self.process_drop_files,
            requires=[reset_dynamo_db_status])

        create_temp_staging_raw_table = schedule(
            'create_temp_staging_raw_table',
            self.create_temp_staging_raw_table,
            requires=[process_drop_files])

        load_temp_staging_raw_table = schedule(
            'load_temp_staging_raw_table',
            self.load_temp_staging_raw_table,
            requires=[create_temp_staging_raw_table])

        load_staging_raw_table = schedule(
            'load_staging_raw_table',
            self.load_staging_raw_table,
            requires=[load_temp_staging_raw_table])

        set_status_to_populated_raw_table = schedule(
             'set_status_to_populated_raw_table',
             self.set_status_to_populated_raw_table,
             requires=[load_staging_raw_table])

        load_marketshare_table = schedule(
            'load_market_share_table',
            self.load_marketshare_table,
            requires=[set_status_to_populated_raw_table])

        mark_ingested_files = schedule(
            'mark_ingested_files',
            self.mark_ingested_files,
            requires=[load_marketshare_table],
        )

        schedule(
            'set_status_to_ingested',
            self.set_status_to_ingested,
            requires=[mark_ingested_files],
        )

    @property
    def get_first_day_of_month(self):
        """Get the first day of the month of date."""
        return self.create(
            name='get_first_day_of_month',
            tasks=base.SyncRunner(
                date_tasks.get_first_day_of_month.fill(
                    namespace='get_first_day_of_month',
                    date='context_date')))

    @property
    def bootstrap(self):
        """Bootstrap initial configuration."""
        return self.create(
            name='bootstrap',
            tasks=base.SyncRunner(
                tasks.bootstrap.fill(
                    namespace='bootstrap',
                    date='get_first_day_of_month.date',
                    reload='reload')))

    @property
    def check_for_new_files(self):
        """Check if there are some new files on FTP."""
        return self.create(
            name='check_for_new_files',
            tasks=base.SyncRunner(
                ftp_amazon_marketshare_tasks.check_for_new_files.fill(
                    namespace='check_for_new_files',
                    feed_name='bootstrap.feed_name',
                    date='bootstrap.date',
                    file_pattern='bootstrap.file_pattern',
                    ftp_creds=StaticParam(config.sftp),
                    ftp_path_template=StaticParam(config.sftp_path_template))))

    @property
    def fetch_from_drop_location(self):
        """Move files from FTP to S3 archive bucket."""
        return self.create(
            name='fetch_from_drop_location',
            tasks=base.SyncRunner(
                ftp_amazon_marketshare_tasks.fetch_from_drop_location.fill(
                    namespace='fetch_from_drop_location',
                    date='bootstrap.date',
                    s3_archive_path='bootstrap.s3_archive_path',
                    files_on_ftp='check_for_new_files.files_on_ftp',
                    ftp_creds=StaticParam(config.sftp))))

    @property
    def process_drop_files(self):
        """Process and archive drop files on s3."""
        return self.create(
            name='process_drop_files',
            tasks=base.SyncRunner(
                tasks.process_drop_files.fill(
                    namespace='process_drop_files',
                    date='bootstrap.date',
                    s3_archive_path='bootstrap.s3_archive_path',
                    s3_preprocessed_path='bootstrap.s3_preprocessed_path',
                    processed_filename='bootstrap.processed_filename',
                    source_files_dict=(
                        'fetch_from_drop_location.source_files_dict'))))

    @property
    def set_status_to_downloaded(self):
        """Set overall feed status to DOWNLOADED."""
        return self.create(
            name='set_status_to_downloaded',
            tasks=base.SyncRunner(
                overall_status_tasks.set_overall_status.fill(
                    namespace='set_status_to_downloaded',
                    feed_name='bootstrap.feed_name',
                    date='bootstrap.date',
                    status=StaticParam(
                        garcon_feed_status.STATUS_DOWNLOADED))))

    @property
    def create_temp_staging_raw_table(self):
        """Create temp staging raw table."""
        return self.create(
            name='create_temp_staging_raw_table',
            tasks=base.SyncRunner(
                load_raw_table_tasks_sf.create_temp_staging_raw_table.fill(
                    namespace='create_temp_staging_raw_table',
                    date='bootstrap.date',
                    sfdb_params='sfdb_params',
                    feed_name='bootstrap.feed_name',
                    secrets_path='bootstrap.secrets_path',
                    temp_staging_raw_table='bootstrap.temp_staging_raw_table',
                    kwargs='bootstrap.kwargs')))

    @property
    def set_status_to_populated_raw_table(self):
        """Set overall feed status to POPULATED_RAW_TABLE."""
        return self.create(
            name='set_status_to_downloaded',
            tasks=base.SyncRunner(
                overall_status_tasks.set_overall_status.fill(
                    namespace='set_status_to_downloaded',
                    feed_name='bootstrap.feed_name',
                    date='bootstrap.date',
                    status=StaticParam(
                        garcon_feed_status.STATUS_POPULATED_RAW_TABLE))))

    @property
    def mark_ingested_files(self):
        """Put list of injected files in DynamoD."""
        return self.create(
            name='mark_ingested_files',
            tasks=base.SyncRunner(
                feed_status_tasks.mark_ingested_files.fill(
                    namespace='mark_ingested_files',
                    feed_name='bootstrap.feed_name',
                    date='bootstrap.date',
                    source_files_dict=(
                        'fetch_from_drop_location.source_files_dict'))))

    @property
    def set_status_to_ingested(self):
        """Set overall feed status to INGESTED."""
        return self.create(
            name='set_status_to_ingested',
            tasks=base.SyncRunner(
                overall_status_tasks.set_overall_status.fill(
                    namespace='set_status_to_ingested',
                    feed_name='bootstrap.feed_name',
                    date='bootstrap.date',
                    status=StaticParam(
                        garcon_feed_status.STATUS_INGESTED,
                    ),
                ),
            ),
        )