"""add email verification codes table

Revision ID: 20260427_add_email_codes
Revises: 20260427_create_memberships
Create Date: 2026-04-27 22:20:00
"""

from __future__ import annotations

from alembic import op
import sqlalchemy as sa


revision = "20260427_add_email_codes"
down_revision = "20260427_create_memberships"
branch_labels = None
depends_on = None


def upgrade() -> None:
    bind = op.get_bind()
    inspector = sa.inspect(bind)

    if "email_verification_codes" not in set(inspector.get_table_names()):
        op.create_table(
            "email_verification_codes",
            sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
            sa.Column("email", sa.String(length=255), nullable=False),
            sa.Column("purpose", sa.String(length=50), nullable=False),
            sa.Column("code_hash", sa.String(length=64), nullable=False),
            sa.Column("expires_at", sa.DateTime(), nullable=False),
            sa.Column("consumed_at", sa.DateTime(), nullable=True),
            sa.Column("created_at", sa.DateTime(), server_default=sa.func.now(), nullable=False),
            sa.Column("updated_at", sa.DateTime(), server_default=sa.func.now(), nullable=False),
            sa.PrimaryKeyConstraint("id"),
        )
        op.create_index(
            "ix_email_verification_codes_email",
            "email_verification_codes",
            ["email"],
        )
        op.create_index(
            "ix_email_verification_codes_purpose",
            "email_verification_codes",
            ["purpose"],
        )


def downgrade() -> None:
    bind = op.get_bind()
    inspector = sa.inspect(bind)
    tables = set(inspector.get_table_names())
    if "email_verification_codes" in tables:
        indexes = {index["name"] for index in inspector.get_indexes("email_verification_codes")}
        if "ix_email_verification_codes_purpose" in indexes:
            op.drop_index("ix_email_verification_codes_purpose", table_name="email_verification_codes")
        if "ix_email_verification_codes_email" in indexes:
            op.drop_index("ix_email_verification_codes_email", table_name="email_verification_codes")
        op.drop_table("email_verification_codes")