"""add blocked users table

Revision ID: 0010_blocked_users
Revises: 0009_chat_notification_settings
Create Date: 2026-03-08 14:25:00.000000
"""

from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


revision: str = "0010_blocked_users"
down_revision: Union[str, Sequence[str], None] = "0009_chat_notification_settings"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "blocked_users",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("user_id", sa.Integer(), nullable=False),
        sa.Column("blocked_user_id", sa.Integer(), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
        sa.ForeignKeyConstraint(["user_id"], ["users.id"], name=op.f("fk_blocked_users_user_id_users"), ondelete="CASCADE"),
        sa.ForeignKeyConstraint(
            ["blocked_user_id"],
            ["users.id"],
            name=op.f("fk_blocked_users_blocked_user_id_users"),
            ondelete="CASCADE",
        ),
        sa.PrimaryKeyConstraint("id", name=op.f("pk_blocked_users")),
        sa.UniqueConstraint("user_id", "blocked_user_id", name="uq_blocked_users_user_target"),
    )
    op.create_index(op.f("ix_blocked_users_id"), "blocked_users", ["id"], unique=False)
    op.create_index(op.f("ix_blocked_users_user_id"), "blocked_users", ["user_id"], unique=False)
    op.create_index(op.f("ix_blocked_users_blocked_user_id"), "blocked_users", ["blocked_user_id"], unique=False)


def downgrade() -> None:
    op.drop_index(op.f("ix_blocked_users_blocked_user_id"), table_name="blocked_users")
    op.drop_index(op.f("ix_blocked_users_user_id"), table_name="blocked_users")
    op.drop_index(op.f("ix_blocked_users_id"), table_name="blocked_users")
    op.drop_table("blocked_users")