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

export const SUPPLIER_BANK_ACCOUNT_PURPOSES = ["PAYMENT", "REFUND"] as const;

const builtins = {
  accountId: db
    .uuid()
    .relation({
      type: "n-1",
      toward: { type: supplierAccount, as: "account" },
      backward: "bankAccountUsages",
    })
    .description("Foreign key to SupplierAccount"),
  bankAccountId: db
    .uuid()
    .relation({
      type: "n-1",
      toward: { type: partnerBankAccount, as: "bankAccount" },
      backward: "supplierBankAccountUsages",
    })
    .description("Foreign key to reusable PartnerBankAccount"),
  purpose: db
    .enum(SUPPLIER_BANK_ACCOUNT_PURPOSES)
    .description("Supplier bank account purpose: PAYMENT or REFUND"),
  isDefault: db
    .bool()
    .description("Whether this is the default bank account for the account purpose"),
};

type ReservedFields = keyof typeof builtins | CommonReservedFields;

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

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

export const supplierBankAccountUsage = createSupplierBankAccountUsageType({});