"""email digests: User.email_digest_opt_in, User.digest_tone, email_sends table.

Revision ID: 0017
Revises: 0016
Create Date: 2026-05-25
"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op


revision: str = "0017"
down_revision: Union[str, None] = "0016"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column(
        "users",
        sa.Column(
            "email_digest_opt_in", sa.Boolean(), nullable=False,
            server_default=sa.text("1"),
        ),
    )
    op.add_column(
        "users",
        sa.Column("digest_tone", sa.String(length=16), nullable=True),
    )

    op.create_table(
        "email_sends",
        sa.Column("id", sa.BigInteger(), autoincrement=True, primary_key=True),
        sa.Column("user_id", sa.Integer(), nullable=False),
        sa.Column("kind", sa.String(length=16), nullable=False),
        sa.Column("sent_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("status", sa.String(length=16), nullable=False),
        sa.Column("error", sa.String(length=255), nullable=True),
        sa.ForeignKeyConstraint(
            ["user_id"], ["users.id"], ondelete="CASCADE",
        ),
    )
    op.create_index(
        "ix_email_sends_user_kind_sent",
        "email_sends",
        ["user_id", "kind", "sent_at"],
    )


def downgrade() -> None:
    op.drop_index("ix_email_sends_user_kind_sent", table_name="email_sends")
    op.drop_table("email_sends")
    op.drop_column("users", "digest_tone")
    op.drop_column("users", "email_digest_opt_in")