"""empty message

Revision ID: 0006_api_keys_history
Revises: 0005_add_provider_stats
Create Date: 2016-04-20 17:21:38.541766

"""

# revision identifiers, used by Alembic.
revision = '0006_api_keys_history'
down_revision = '0005_add_provider_stats'

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

def upgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.create_table('api_keys_history',
    sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
    sa.Column('name', sa.String(length=255), nullable=False),
    sa.Column('secret', sa.String(length=255), nullable=False),
    sa.Column('service_id', postgresql.UUID(as_uuid=True), nullable=False),
    sa.Column('expiry_date', sa.DateTime(), nullable=True),
    sa.Column('created_at', sa.DateTime(), nullable=True),
    sa.Column('updated_at', sa.DateTime(), nullable=True),
    sa.Column('created_by_id', postgresql.UUID(as_uuid=True), nullable=True),
    sa.Column('version', sa.Integer(), autoincrement=False, nullable=False),
    sa.PrimaryKeyConstraint('id', 'version')
    )

    op.create_index(op.f('ix_api_keys_history_created_by_id'), 'api_keys_history', ['created_by_id'], unique=False)
    op.create_index(op.f('ix_api_keys_history_service_id'), 'api_keys_history', ['service_id'], unique=False)
    op.add_column('api_keys', sa.Column('created_at', sa.DateTime(), nullable=True))
    op.add_column('api_keys', sa.Column('created_by_id', postgresql.UUID(as_uuid=True), nullable=True))
    op.add_column('api_keys', sa.Column('updated_at', sa.DateTime(), nullable=True))
    op.add_column('api_keys', sa.Column('version', sa.Integer(), nullable=True))

    op.get_bind()
    op.execute('UPDATE api_keys SET created_by_id = (SELECT user_id FROM user_to_service WHERE api_keys.service_id = user_to_service.service_id LIMIT 1)')
    op.execute('UPDATE api_keys SET version = 1, created_at = now()')
    op.execute('INSERT INTO api_keys_history (id, name, secret, service_id, expiry_date, created_at, updated_at, created_by_id, version) SELECT id, name, secret, service_id, expiry_date, created_at, updated_at, created_by_id, version FROM api_keys')

    op.alter_column('api_keys', 'created_at', nullable=False)
    op.alter_column('api_keys', 'created_by_id', nullable=False)
    op.alter_column('api_keys', 'version', nullable=False)

    op.create_index(op.f('ix_api_keys_created_by_id'), 'api_keys', ['created_by_id'], unique=False)
    op.create_foreign_key('fk_api_keys_created_by_id', 'api_keys', 'users', ['created_by_id'], ['id'])
    ### end Alembic commands ###


def downgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint('fk_api_keys_created_by_id', 'api_keys', type_='foreignkey')
    op.drop_index(op.f('ix_api_keys_created_by_id'), table_name='api_keys')
    op.drop_column('api_keys', 'version')
    op.drop_column('api_keys', 'updated_at')
    op.drop_column('api_keys', 'created_by_id')
    op.drop_column('api_keys', 'created_at')
    op.drop_index(op.f('ix_api_keys_history_service_id'), table_name='api_keys_history')
    op.drop_index(op.f('ix_api_keys_history_created_by_id'), table_name='api_keys_history')
    op.drop_table('api_keys_history')
    ### end Alembic commands ###