"""
Copyright 2024-2026 ReplyPier

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""

"""add AURORA chat style to agent_customizations

Adds the new AURORA value to the `chatstyle` enum (a dark "ask-me-anything"
design with a gradient orb avatar). The orb-vs-photo avatar choice is stored in
the existing `customization_metadata` JSON column, so no schema change is needed
for that.

Revision ID: e3f4a5b6c7d8
Revises: d2e3f4a5b6c7
Create Date: 2026-06-29 00:00:00.000000

"""
from typing import Sequence, Union

from alembic import op


# revision identifiers, used by Alembic.
revision: str = 'e3f4a5b6c7d8'
down_revision: Union[str, None] = 'd2e3f4a5b6c7'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    bind = op.get_bind()

    # Add the new value to the native Postgres `chatstyle` enum. ALTER TYPE ...
    # ADD VALUE cannot run inside a transaction block, so use an autocommit block.
    if bind.dialect.name == "postgresql":
        with op.get_context().autocommit_block():
            op.execute("ALTER TYPE chatstyle ADD VALUE IF NOT EXISTS 'AURORA'")


def downgrade() -> None:
    # Postgres cannot cleanly drop individual enum values; the added chatstyle
    # value is intentionally left in place.
    pass