"""

Revision ID: 0345_move_broadcast_provider
Revises: 0344_stubbed_not_nullable
Create Date: 2021-02-09 09:19:07.957980

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

revision = '0345_move_broadcast_provider'
down_revision = '0344_stubbed_not_nullable'


def upgrade():
    op.add_column('service_broadcast_settings', sa.Column('provider', sa.String(), nullable=True))

    sql = """
        select service_id, provider
        from service_broadcast_provider_restriction
        where service_id NOT IN (select service_id from service_broadcast_settings)
        """
    insert_sql = """
        insert into service_broadcast_settings(service_id, channel, provider, created_at, updated_at)
        values('{}', 'test', '{}', now(), null)
    """
    conn = op.get_bind()
    results = conn.execute(sql)
    restrictions = results.fetchall()
    for x in restrictions:
        f = insert_sql.format(x.service_id, x.provider)
        conn.execute(f)


def downgrade():
    # Downgrade does not try and fully undo the upgrade, in particular it does not
    # delete the rows added to the service_broadcast_settings table
    op.drop_column('service_broadcast_settings', 'provider')