"""add summary_notification_log table

Revision ID: 0005_add_summary_notification_log
Revises: 0004_add_user_id_columns
Create Date: 2026-07-16

"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "0005_add_summary_notif_log"
down_revision: Union[str, None] = "0004_add_user_id_columns"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "summary_notification_log",
        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column("user_id", sa.Integer(), sa.ForeignKey("user.id", ondelete="CASCADE"), nullable=False),
        sa.Column("period_type", sa.String(length=20), nullable=False),
        sa.Column("period_start", sa.Date(), nullable=False),
        sa.Column("sent_at", sa.DateTime(), nullable=False, server_default=sa.func.now()),
        sa.UniqueConstraint("user_id", "period_type", "period_start", name="uq_summary_user_period"),
        mysql_engine="InnoDB",
        mysql_charset="utf8mb4",
    )


def downgrade() -> None:
    op.drop_table("summary_notification_log")