"""customers and orders

Revision ID: 0001
Revises:
Create Date: 2026-10-17
"""

import sqlalchemy as sa
from alembic import op

revision = "0001"
down_revision = None
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "customers",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("email", sa.String(length=254), nullable=False),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint("email"),
    )
    op.create_table(
        "orders",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("customer_id", sa.Integer(), nullable=False),
        sa.Column("total_pence", sa.Integer(), nullable=False),
        sa.Column("created_at", sa.DateTime(), server_default=sa.text("(CURRENT_TIMESTAMP)"), nullable=False),
        sa.ForeignKeyConstraint(["customer_id"], ["customers.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index("ix_orders_customer_id", "orders", ["customer_id"])


def downgrade() -> None:
    op.drop_index("ix_orders_customer_id", table_name="orders")
    op.drop_table("orders")
    op.drop_table("customers")