"""Language & LLM fields added

Revision ID: b853a06f4bf4
Revises: 08e334d64cab
Create Date: 2024-05-01 09:46:02.013322

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

# revision identifiers, used by Alembic.
revision = 'b853a06f4bf4'
down_revision = '08e334d64cab'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('roles_users', schema=None) as batch_op:
        batch_op.drop_constraint('roles_users_role_id_fkey', type_='foreignkey')
        batch_op.drop_constraint('roles_users_user_id_fkey', type_='foreignkey')
        batch_op.create_foreign_key(None, 'user', ['user_id'], ['id'], referent_schema='public', ondelete='CASCADE')
        batch_op.create_foreign_key(None, 'role', ['role_id'], ['id'], referent_schema='public', ondelete='CASCADE')

    with op.batch_alter_table('tenant', schema=None) as batch_op:
        batch_op.add_column(sa.Column('default_language', sa.String(length=2), nullable=True))
        batch_op.add_column(sa.Column('allowed_languages', postgresql.ARRAY(sa.String(length=2)), nullable=True))
        batch_op.add_column(sa.Column('default_embedding_model', sa.String(length=50), nullable=True))
        batch_op.add_column(sa.Column('allowed_embedding_models', postgresql.ARRAY(sa.String(length=50)), nullable=True))
        batch_op.add_column(sa.Column('default_llm_model', sa.String(length=50), nullable=True))
        batch_op.add_column(sa.Column('allowed_llm_models', postgresql.ARRAY(sa.String(length=50)), nullable=True))

    with op.batch_alter_table('user', schema=None) as batch_op:
        batch_op.drop_constraint('user_tenant_id_fkey', type_='foreignkey')
        batch_op.create_foreign_key(None, 'tenant', ['tenant_id'], ['id'], referent_schema='public')

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('user', schema=None) as batch_op:
        batch_op.drop_constraint(None, type_='foreignkey')
        batch_op.create_foreign_key('user_tenant_id_fkey', 'tenant', ['tenant_id'], ['id'])

    with op.batch_alter_table('tenant', schema=None) as batch_op:
        batch_op.drop_column('allowed_llm_models')
        batch_op.drop_column('default_llm_model')
        batch_op.drop_column('allowed_embedding_models')
        batch_op.drop_column('default_embedding_model')
        batch_op.drop_column('allowed_languages')
        batch_op.drop_column('default_language')

    with op.batch_alter_table('roles_users', schema=None) as batch_op:
        batch_op.drop_constraint(None, type_='foreignkey')
        batch_op.drop_constraint(None, type_='foreignkey')
        batch_op.create_foreign_key('roles_users_user_id_fkey', 'user', ['user_id'], ['id'], ondelete='CASCADE')
        batch_op.create_foreign_key('roles_users_role_id_fkey', 'role', ['role_id'], ['id'], ondelete='CASCADE')

    # ### end Alembic commands ###