"""Initial migration

Revision ID: 001
Revises:
Create Date: 2025-07-21 10:00:00.000000

"""

from alembic import op
import sqlalchemy as sa

# revision identifiers, used by Alembic.
revision = "001"
down_revision = None
branch_labels = None
depends_on = None


def upgrade() -> None:
    # Create carts table
    op.create_table(
        "carts",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("user_id", sa.String(), nullable=True),
        sa.Column("status", sa.String(), nullable=True),
        sa.Column(
            "created_at",
            sa.DateTime(timezone=True),
            server_default=sa.text("(CURRENT_TIMESTAMP)"),
            nullable=True,
        ),
        sa.Column(
            "updated_at",
            sa.DateTime(timezone=True),
            server_default=sa.text("(CURRENT_TIMESTAMP)"),
            nullable=True,
        ),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_carts_id"), "carts", ["id"], unique=False)
    op.create_index(op.f("ix_carts_user_id"), "carts", ["user_id"], unique=False)

    # Create cart_items table
    op.create_table(
        "cart_items",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("cart_id", sa.Integer(), nullable=True),
        sa.Column("product_id", sa.String(), nullable=True),
        sa.Column("product_name", sa.String(), nullable=True),
        sa.Column("price", sa.Float(), nullable=True),
        sa.Column("quantity", sa.Integer(), nullable=True),
        sa.ForeignKeyConstraint(
            ["cart_id"],
            ["carts.id"],
        ),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(op.f("ix_cart_items_id"), "cart_items", ["id"], unique=False)
    op.create_index(
        op.f("ix_cart_items_product_id"), "cart_items", ["product_id"], unique=False
    )


def downgrade() -> None:
    op.drop_index(op.f("ix_cart_items_product_id"), table_name="cart_items")
    op.drop_index(op.f("ix_cart_items_id"), table_name="cart_items")
    op.drop_table("cart_items")
    op.drop_index(op.f("ix_carts_user_id"), table_name="carts")
    op.drop_index(op.f("ix_carts_id"), table_name="carts")
    op.drop_table("carts")