"""Add hidden columns

Revision ID: d0ffadc3ea48
Revises:
Create Date: 2017-09-04 15:19:38.519991

"""
from alembic import op
import sqlalchemy as sa
import flaskbb


# revision identifiers, used by Alembic.
revision = 'd0ffadc3ea48'
down_revision = None
branch_labels = ('default',)
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('groups', schema=None) as batch_op:
        batch_op.add_column(sa.Column('makehidden', sa.Boolean(), nullable=True))
        batch_op.add_column(sa.Column('viewhidden', sa.Boolean(), nullable=True))

    with op.batch_alter_table('groups', schema=None) as batch_op:
        groups = sa.sql.table(
            'groups',
            sa.sql.column('viewhidden'), sa.sql.column('makehidden'),
            sa.sql.column('admin'), sa.sql.column('super_mod'), sa.sql.column('mod')
        )
        batch_op.execute(
            groups.update().where(
                sa.or_(
                    groups.c.admin == True,
                    groups.c.mod == True,
                    groups.c.super_mod == True
                )
            ).values(viewhidden=True, makehidden=True)
        )
        batch_op.execute(
            groups.update().where(sa.and_(
                groups.c.admin != True,
                groups.c.mod != True,
                groups.c.super_mod != True
            )).values(viewhidden=False, makehidden=False)
        )

        batch_op.alter_column('viewhidden', existing_type=sa.Boolean(), nullable=False)
        batch_op.alter_column('makehidden', existing_type=sa.Boolean(), nullable=False)

    with op.batch_alter_table('posts', schema=None) as batch_op:
        batch_op.add_column(sa.Column('hidden', sa.Boolean(), nullable=True))
        batch_op.add_column(sa.Column('hidden_at', flaskbb.utils.database.UTCDateTime(timezone=True), nullable=True))
        batch_op.add_column(sa.Column('hidden_by_id', sa.Integer(), nullable=True))
        batch_op.create_foreign_key('fk_Post_hidden_by', 'users', ['hidden_by_id'], ['id'])

    with op.batch_alter_table('topics', schema=None) as batch_op:
        batch_op.add_column(sa.Column('hidden', sa.Boolean(), nullable=True))
        batch_op.add_column(sa.Column('hidden_at', flaskbb.utils.database.UTCDateTime(timezone=True), nullable=True))
        batch_op.add_column(sa.Column('hidden_by_id', sa.Integer(), nullable=True))
        batch_op.create_foreign_key('fk_Topic_hidden_by', 'users', ['hidden_by_id'], ['id'])

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('topics', schema=None) as batch_op:
        batch_op.drop_constraint('fk_Topic_hidden_by', type_='foreignkey')
        batch_op.drop_column('hidden_by_id')
        batch_op.drop_column('hidden_at')
        batch_op.drop_column('hidden')

    with op.batch_alter_table('posts', schema=None) as batch_op:
        batch_op.drop_constraint('fk_Post_hidden_by', type_='foreignkey')
        batch_op.drop_column('hidden_by_id')
        batch_op.drop_column('hidden_at')
        batch_op.drop_column('hidden')

    with op.batch_alter_table('groups', schema=None) as batch_op:
        batch_op.drop_column('viewhidden')
        batch_op.drop_column('makehidden')

    # ### end Alembic commands ###