"""add workflow_run_text_sessions

Revision ID: 2f638891cbb6
Revises: 19d2a4b6c8ef
Create Date: 2026-05-18 12:58:58.573381

"""

from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

# revision identifiers, used by Alembic.
revision: str = "2f638891cbb6"
down_revision: Union[str, None] = "19d2a4b6c8ef"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table(
        "workflow_run_text_sessions",
        sa.Column("workflow_run_id", sa.Integer(), nullable=False),
        sa.Column(
            "revision", sa.Integer(), server_default=sa.text("0"), nullable=False
        ),
        sa.Column(
            "session_data",
            sa.JSON(),
            server_default=sa.text("'{}'::json"),
            nullable=False,
        ),
        sa.Column(
            "checkpoint",
            sa.JSON(),
            server_default=sa.text("'{}'::json"),
            nullable=False,
        ),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True),
        sa.ForeignKeyConstraint(
            ["workflow_run_id"], ["workflow_runs.id"], ondelete="CASCADE"
        ),
        sa.PrimaryKeyConstraint("workflow_run_id"),
    )
    op.create_index(
        "ix_workflow_run_text_sessions_updated_at",
        "workflow_run_text_sessions",
        ["updated_at"],
        unique=False,
    )
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(
        "ix_workflow_run_text_sessions_updated_at",
        table_name="workflow_run_text_sessions",
    )
    op.drop_table("workflow_run_text_sessions")
    # ### end Alembic commands ###