"""initial: users and oauth_tokens

Revision ID: 0001_initial
Revises:
Create Date: 2026-06-11
"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

revision: str = "0001_initial"
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "users",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("google_sub", sa.String(length=64), nullable=False),
        sa.Column("email", sa.String(length=320), nullable=False),
        sa.Column("display_name", sa.String(length=255), nullable=True),
        sa.Column("avatar_url", sa.String(length=1024), nullable=True),
        sa.Column("role", sa.String(length=16), nullable=False, server_default="user"),
        sa.Column(
            "created_at",
            sa.DateTime(timezone=True),
            server_default=sa.func.now(),
            nullable=False,
        ),
    )
    op.create_index("ix_users_google_sub", "users", ["google_sub"], unique=True)
    op.create_index("ix_users_email", "users", ["email"], unique=True)

    op.create_table(
        "oauth_tokens",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column(
            "user_id",
            sa.Integer(),
            sa.ForeignKey("users.id", ondelete="CASCADE"),
            nullable=False,
            unique=True,
        ),
        sa.Column("refresh_token_enc", sa.String(), nullable=True),
        sa.Column("access_token", sa.String(), nullable=True),
        sa.Column("expiry", sa.DateTime(timezone=True), nullable=True),
        sa.Column("scopes", sa.String(), nullable=True),
        sa.Column(
            "updated_at",
            sa.DateTime(timezone=True),
            server_default=sa.func.now(),
            nullable=False,
        ),
    )


def downgrade() -> None:
    op.drop_table("oauth_tokens")
    op.drop_index("ix_users_email", table_name="users")
    op.drop_index("ix_users_google_sub", table_name="users")
    op.drop_table("users")