"""set model config column nullable

Revision ID: cc04d0998d4d
Revises: b289e2408ee2
Create Date: 2024-02-27 03:47:47.376325

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


def _is_pg(conn):
    return conn.dialect.name == "postgresql"

# revision identifiers, used by Alembic.
revision = 'cc04d0998d4d'
down_revision = 'b289e2408ee2'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    conn = op.get_bind()
    
    if _is_pg(conn):
        with op.batch_alter_table('app_model_configs', schema=None) as batch_op:
            batch_op.alter_column('provider',
                                  existing_type=sa.VARCHAR(length=255),
                                  nullable=True)
            batch_op.alter_column('model_id',
                                  existing_type=sa.VARCHAR(length=255),
                                  nullable=True)
            batch_op.alter_column('configs',
                                  existing_type=postgresql.JSON(astext_type=sa.Text()),
                                  nullable=True)
    else:
        with op.batch_alter_table('app_model_configs', schema=None) as batch_op:
            batch_op.alter_column('provider',
                                  existing_type=sa.VARCHAR(length=255),
                                  nullable=True)
            batch_op.alter_column('model_id',
                                  existing_type=sa.VARCHAR(length=255),
                                  nullable=True)
            batch_op.alter_column('configs',
                                  existing_type=sa.JSON(),
                                  nullable=True)

    with op.batch_alter_table('apps', schema=None) as batch_op:
        batch_op.alter_column('api_rpm',
                              existing_type=sa.Integer(),
                              server_default='0',
                              nullable=False)

        batch_op.alter_column('api_rph',
                              existing_type=sa.Integer(),
                              server_default='0',
                              nullable=False)

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    conn = op.get_bind()
    
    with op.batch_alter_table('apps', schema=None) as batch_op:
        batch_op.alter_column('api_rpm',
                              existing_type=sa.Integer(),
                              server_default=None,
                              nullable=False)

        batch_op.alter_column('api_rph',
                              existing_type=sa.Integer(),
                              server_default=None,
                              nullable=False)

    if _is_pg(conn):
        with op.batch_alter_table('app_model_configs', schema=None) as batch_op:
            batch_op.alter_column('configs',
                                  existing_type=postgresql.JSON(astext_type=sa.Text()),
                                  nullable=False)
            batch_op.alter_column('model_id',
                                  existing_type=sa.VARCHAR(length=255),
                                  nullable=False)
            batch_op.alter_column('provider',
                                  existing_type=sa.VARCHAR(length=255),
                                  nullable=False)
    else:
        with op.batch_alter_table('app_model_configs', schema=None) as batch_op:
            batch_op.alter_column('configs',
                                  existing_type=sa.JSON(),
                                  nullable=False)
            batch_op.alter_column('model_id',
                                  existing_type=sa.VARCHAR(length=255),
                                  nullable=False)
            batch_op.alter_column('provider',
                                  existing_type=sa.VARCHAR(length=255),
                                  nullable=False)

    # ### end Alembic commands ###