import {
  type CommonReservedFields,
  type NoReservedFields,
  defaultGqlPermission,
  defaultPermission,
} from "@tailor-platform/erp-kit/core";
import { db, type TailorAnyDBField, type TailorAnyDBType } from "@tailor-platform/sdk";
import { outgoingPaymentLifecycle } from "./outgoingPayment.lifecycle.generated";

const builtins = (params: {
  companyType?: TailorAnyDBType;
  supplierAccountType?: TailorAnyDBType;
  currencyType?: TailorAnyDBType;
  accountType?: TailorAnyDBType;
}) => {
  const companyId = db.uuid().description("Foreign key to Company");
  const supplierAccountId = db.uuid().description("Foreign key to SupplierAccount");
  const currencyId = db.uuid().description("Foreign key to payment Currency");
  const paymentAccountId = db
    .uuid()
    .description("Foreign key to the company-scoped payment counterpart Account");

  return {
    companyId: params.companyType
      ? companyId.relation({
          type: "n-1",
          toward: { type: params.companyType, as: "company" },
          backward: "outgoingPayments",
        })
      : companyId,
    supplierAccountId: params.supplierAccountType
      ? supplierAccountId.relation({
          type: "n-1",
          toward: { type: params.supplierAccountType, as: "supplierAccount" },
          backward: "outgoingPayments",
        })
      : supplierAccountId,
    currencyId: params.currencyType
      ? currencyId.relation({
          type: "n-1",
          toward: { type: params.currencyType, as: "currency" },
          backward: "outgoingPayments",
        })
      : currencyId,
    paymentAccountId: params.accountType
      ? paymentAccountId.relation({
          type: "n-1",
          toward: { type: params.accountType, as: "paymentAccount" },
          backward: "outgoingPayments",
        })
      : paymentAccountId,
    paymentDate: db.date().description("Outgoing payment document date"),
    totalAmount: db.decimal().description("Outgoing payment total in transaction currency"),
    status: db
      .enum(outgoingPaymentLifecycle.states)
      .description("Outgoing payment lifecycle status"),
    postedAt: db.datetime({ optional: true }).description("Timestamp when the payment was posted"),
    reversalDate: db
      .date({ optional: true })
      .description("Accounting date on which the posted payment was reversed"),
    reversedAt: db
      .datetime({ optional: true })
      .description("Timestamp when the posted payment was reversed"),
    cancelledAt: db
      .datetime({ optional: true })
      .description("Timestamp when the draft payment was cancelled"),
  };
};

type ReservedFields = keyof ReturnType<typeof builtins> | CommonReservedFields;

export interface CreateOutgoingPaymentTypeParams<F extends Record<string, TailorAnyDBField>> {
  fields?: NoReservedFields<F, ReservedFields>;
  companyType?: TailorAnyDBType;
  supplierAccountType?: TailorAnyDBType;
  currencyType?: TailorAnyDBType;
  accountType?: TailorAnyDBType;
}

export function createOutgoingPaymentType<const F extends Record<string, TailorAnyDBField>>(
  params: CreateOutgoingPaymentTypeParams<F>,
) {
  return db
    .table("OutgoingPayment", {
      ...builtins(params),
      ...((params.fields ?? {}) as F),
      ...db.fields.timestamps(),
    })
    .permission(defaultPermission)
    .gqlPermission(defaultGqlPermission);
}

export const outgoingPayment = createOutgoingPaymentType({});