"""add dialogue_history column only

Revision ID: 9d415bf0ff2e
Revises: 53d8b753cb71
Create Date: 2025-09-03 18:04:49.726882

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '9d415bf0ff2e'
down_revision: Union[str, Sequence[str], None] = 'c2d48b31ee30'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # Сначала создаем таблицу interview_sessions (если была удалена)
    op.create_table('interview_sessions',
    sa.Column('resume_id', sa.Integer(), nullable=False),
    sa.Column('room_name', sa.String(length=255), nullable=False),
    sa.Column('status', sa.Enum('created', 'active', 'completed', 'failed', name='interviewstatus', create_type=False), nullable=True),
    sa.Column('transcript', sa.Text(), nullable=True),
    sa.Column('ai_feedback', sa.Text(), nullable=True),
    sa.Column('dialogue_history', sa.JSON(), nullable=True),
    sa.Column('ai_agent_pid', sa.Integer(), nullable=True),
    sa.Column('ai_agent_status', sa.String(), nullable=False),
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('started_at', sa.DateTime(), nullable=False),
    sa.Column('completed_at', sa.DateTime(), nullable=True),
    sa.ForeignKeyConstraint(['resume_id'], ['resume.id'], ),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('room_name')
    )


def downgrade() -> None:
    """Downgrade schema."""
    # Удаляем всю таблицу
    op.drop_table('interview_sessions')