"""Add retention and redaction state to scoring_runs and review_audits.

Revision ID: 0008_retention_redaction_state
Revises: 0007_outbox_delivery_state
Create Date: 2026-08-28

"""

import sqlalchemy as sa
from alembic import op

revision: str = "0008_retention_redaction_state"
down_revision: str | None = "0007_outbox_delivery_state"
branch_labels: str | None = None
depends_on: str | None = None


def upgrade() -> None:
    op.add_column(
        "scoring_runs",
        sa.Column("redacted_at", sa.DateTime(timezone=True), nullable=True),
    )
    op.create_index(
        "ix_scoring_runs_retention",
        "scoring_runs",
        ["created_at", "redacted_at"],
    )

    op.add_column(
        "review_audits",
        sa.Column("redacted_at", sa.DateTime(timezone=True), nullable=True),
    )
    op.create_index(
        "ix_review_audits_retention",
        "review_audits",
        ["created_at", "redacted_at"],
    )


def downgrade() -> None:
    op.drop_index("ix_review_audits_retention", table_name="review_audits")
    op.drop_column("review_audits", "redacted_at")

    op.drop_index("ix_scoring_runs_retention", table_name="scoring_runs")
    op.drop_column("scoring_runs", "redacted_at")