import {
  type CommonReservedFields,
  type NoReservedFields,
  defaultGqlPermission,
  defaultPermission,
} from "@tailor-platform/erp-kit/core";
import { db, type TailorAnyDBField } from "@tailor-platform/sdk";
import { customerAccount } from "./customerAccount";
import { partnerAddress } from "./partnerAddress";

export const CUSTOMER_ADDRESS_PURPOSES = ["BILL_TO", "SHIP_TO"] as const;

const builtins = {
  accountId: db
    .uuid()
    .relation({
      type: "n-1",
      toward: { type: customerAccount, as: "account" },
      backward: "addressUsages",
    })
    .description("Foreign key to CustomerAccount"),
  addressId: db
    .uuid()
    .relation({
      type: "n-1",
      toward: { type: partnerAddress, as: "address" },
      backward: "customerAddressUsages",
    })
    .description("Foreign key to reusable PartnerAddress"),
  purpose: db
    .enum(CUSTOMER_ADDRESS_PURPOSES)
    .description("Customer address purpose: BILL_TO or SHIP_TO"),
  isDefault: db.bool().description("Whether this is the default address for the account purpose"),
};

type ReservedFields = keyof typeof builtins | CommonReservedFields;

export interface CreateCustomerAddressUsageTypeParams<F extends Record<string, TailorAnyDBField>> {
  fields?: NoReservedFields<F, ReservedFields>;
}

export function createCustomerAddressUsageType<const F extends Record<string, TailorAnyDBField>>(
  params: CreateCustomerAddressUsageTypeParams<F>,
) {
  return db
    .table("CustomerAddressUsage", {
      ...builtins,
      ...((params.fields ?? {}) as F),
      ...db.fields.timestamps(),
    })
    .indexes({
      fields: ["accountId", "addressId", "purpose"],
      unique: true,
      name: "customer_address_usage_unique_idx",
    })
    .permission(defaultPermission)
    .gqlPermission(defaultGqlPermission);
}

export const customerAddressUsage = createCustomerAddressUsageType({});