"""recreate interview_sessions with varchar status

Revision ID: c9bcdd2ddeeb
Revises: 9d415bf0ff2e
Create Date: 2025-09-03 18:07:59.433986

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'c9bcdd2ddeeb'
down_revision: Union[str, Sequence[str], None] = '9d415bf0ff2e'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema.""" 
    # Создаем таблицу interview_sessions заново
    op.execute("DROP TABLE IF EXISTS interview_sessions CASCADE")
    
    op.create_table('interview_sessions',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('resume_id', sa.Integer(), nullable=False),
    sa.Column('room_name', sa.String(length=255), nullable=False),
    sa.Column('status', sa.String(50), nullable=True, server_default='created'),
    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(50), nullable=False, server_default='not_started'),
    sa.Column('started_at', sa.DateTime(), nullable=False, server_default=sa.text('CURRENT_TIMESTAMP')),
    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."""
    op.drop_table('interview_sessions')