// import moment from 'moment';
// import { sumBy } from 'lodash';
// import { Knex } from 'knex';
// import { Inject, Service } from 'typedi';
// import * as R from 'ramda';
// import { AccountNormal, IBill, IItemEntry, ILedgerEntry } from '@/interfaces';
// import HasTenancyService from '@/services/Tenancy/TenancyService';
// import Ledger from '@/services/Accounting/Ledger';
// import LedgerStorageService from '@/services/Accounting/LedgerStorageService';
// import ItemsEntriesService from '@/services/Items/ItemsEntriesService';

// @Service()
// export class BillGLEntries {
//   @Inject()
//   private tenancy: HasTenancyService;

//   @Inject()
//   private ledgerStorage: LedgerStorageService;

//   @Inject()
//   private itemsEntriesService: ItemsEntriesService;

//   /**
//    * Creates bill GL entries.
//    * @param {number} tenantId -
//    * @param {number} billId -
//    * @param {Knex.Transaction} trx -
//    */
//   public writeBillGLEntries = async (
//     tenantId: number,
//     billId: number,
//     trx?: Knex.Transaction
//   ) => {
//     const { accountRepository } = this.tenancy.repositories(tenantId);
//     const { Bill } = this.tenancy.models(tenantId);

//     // Retrieves bill with associated entries and landed costs.
//     const bill = await Bill.query(trx)
//       .findById(billId)
//       .withGraphFetched('entries.item')
//       .withGraphFetched('entries.allocatedCostEntries')
//       .withGraphFetched('locatedLandedCosts.allocateEntries');

//     // Finds or create a A/P account based on the given currency.
//     const APAccount = await accountRepository.findOrCreateAccountsPayable(
//       bill.currencyCode,
//       {},
//       trx
//     );
//     // Find or create tax payable account.
//     const taxPayableAccount = await accountRepository.findOrCreateTaxPayable(
//       {},
//       trx
//     );
//     const billLedger = this.getBillLedger(
//       bill,
//       APAccount.id,
//       taxPayableAccount.id
//     );
//     // Commit the GL enties on the storage.
//     await this.ledgerStorage.commit(tenantId, billLedger, trx);
//   };

//   /**
//    * Reverts the given bill GL entries.
//    * @param {number} tenantId
//    * @param {number} billId
//    * @param {Knex.Transaction} trx
//    */
//   public revertBillGLEntries = async (
//     tenantId: number,
//     billId: number,
//     trx?: Knex.Transaction
//   ) => {
//     await this.ledgerStorage.deleteByReference(tenantId, billId, 'Bill', trx);
//   };

//   /**
//    * Rewrites the given bill GL entries.
//    * @param {number} tenantId
//    * @param {number} billId
//    * @param {Knex.Transaction} trx
//    */
//   public rewriteBillGLEntries = async (
//     tenantId: number,
//     billId: number,
//     trx?: Knex.Transaction
//   ) => {
//     // Reverts the bill GL entries.
//     await this.revertBillGLEntries(tenantId, billId, trx);

//     // Writes the bill GL entries.
//     await this.writeBillGLEntries(tenantId, billId, trx);
//   };

//   /**
//    * Retrieves the bill common entry.
//    * @param {IBill} bill
//    * @returns {ILedgerEntry}
//    */
//   private getBillCommonEntry = (bill: IBill) => {
//     return {
//       debit: 0,
//       credit: 0,
//       currencyCode: bill.currencyCode,
//       exchangeRate: bill.exchangeRate || 1,

//       transactionId: bill.id,
//       transactionType: 'Bill',

//       date: moment(bill.billDate).format('YYYY-MM-DD'),
//       userId: bill.userId,

//       referenceNumber: bill.referenceNo,
//       transactionNumber: bill.billNumber,

//       branchId: bill.branchId,
//       projectId: bill.projectId,

//       createdAt: bill.createdAt,
//     };
//   };

//   /**
//    * Retrieves the bill item inventory/cost entry.
//    * @param {IBill} bill -
//    * @param {IItemEntry} entry -
//    * @param {number} index -
//    */
//   private getBillItemEntry = R.curry(
//     (bill: IBill, entry: IItemEntry, index: number): ILedgerEntry => {
//       const commonJournalMeta = this.getBillCommonEntry(bill);

//       const localAmount = bill.exchangeRate * entry.amountExludingTax;
//       const landedCostAmount = sumBy(entry.allocatedCostEntries, 'cost');

//       return {
//         ...commonJournalMeta,
//         debit: localAmount + landedCostAmount,
//         accountId:
//           ['inventory'].indexOf(entry.item.type) !== -1
//             ? entry.item.inventoryAccountId
//             : entry.costAccountId,
//         index: index + 1,
//         indexGroup: 10,
//         itemId: entry.itemId,
//         itemQuantity: entry.quantity,
//         accountNormal: AccountNormal.DEBIT,
//       };
//     }
//   );

//   /**
//    * Retrieves the bill landed cost entry.
//    * @param {IBill} bill -
//    * @param {} landedCost -
//    * @param {number} index -
//    */
//   private getBillLandedCostEntry = R.curry(
//     (bill: IBill, landedCost, index: number): ILedgerEntry => {
//       const commonJournalMeta = this.getBillCommonEntry(bill);

//       return {
//         ...commonJournalMeta,
//         credit: landedCost.amount,
//         accountId: landedCost.costAccountId,
//         accountNormal: AccountNormal.DEBIT,
//         index: 1,
//         indexGroup: 20,
//       };
//     }
//   );

//   /**
//    * Retrieves the bill payable entry.
//    * @param   {number} payableAccountId
//    * @param   {IBill} bill
//    * @returns {ILedgerEntry}
//    */
//   private getBillPayableEntry = (
//     payableAccountId: number,
//     bill: IBill
//   ): ILedgerEntry => {
//     const commonJournalMeta = this.getBillCommonEntry(bill);

//     return {
//       ...commonJournalMeta,
//       credit: bill.totalLocal,
//       accountId: payableAccountId,
//       contactId: bill.vendorId,
//       accountNormal: AccountNormal.CREDIT,
//       index: 1,
//       indexGroup: 5,
//     };
//   };

//   /**
//    * Retrieves the bill tax GL entry.
//    * @param {IBill} bill -
//    * @param {number} taxPayableAccountId -
//    * @param {IItemEntry} entry -
//    * @param {number} index -
//    * @returns {ILedgerEntry}
//    */
//   private getBillTaxEntry = R.curry(
//     (
//       bill: IBill,
//       taxPayableAccountId: number,
//       entry: IItemEntry,
//       index: number
//     ): ILedgerEntry => {
//       const commonJournalMeta = this.getBillCommonEntry(bill);

//       return {
//         ...commonJournalMeta,
//         debit: entry.taxAmount,
//         index,
//         indexGroup: 30,
//         accountId: taxPayableAccountId,
//         accountNormal: AccountNormal.CREDIT,
//         taxRateId: entry.taxRateId,
//         taxRate: entry.taxRate,
//       };
//     }
//   );

//   /**
//    * Retrieves the bill tax GL entries.
//    * @param {IBill} bill
//    * @param {number} taxPayableAccountId
//    * @returns {ILedgerEntry[]}
//    */
//   private getBillTaxEntries = (bill: IBill, taxPayableAccountId: number) => {
//     // Retrieves the non-zero tax entries.
//     const nonZeroTaxEntries = this.itemsEntriesService.getNonZeroEntries(
//       bill.entries
//     );
//     const transformTaxEntry = this.getBillTaxEntry(bill, taxPayableAccountId);

//     return nonZeroTaxEntries.map(transformTaxEntry);
//   };

//   /**
//    * Retrieves the given bill GL entries.
//    * @param {IBill} bill
//    * @param {number} payableAccountId
//    * @returns {ILedgerEntry[]}
//    */
//   private getBillGLEntries = (
//     bill: IBill,
//     payableAccountId: number,
//     taxPayableAccountId: number
//   ): ILedgerEntry[] => {
//     const payableEntry = this.getBillPayableEntry(payableAccountId, bill);

//     const itemEntryTransformer = this.getBillItemEntry(bill);
//     const landedCostTransformer = this.getBillLandedCostEntry(bill);

//     const itemsEntries = bill.entries.map(itemEntryTransformer);
//     const landedCostEntries = bill.locatedLandedCosts.map(
//       landedCostTransformer
//     );
//     const taxEntries = this.getBillTaxEntries(bill, taxPayableAccountId);

//     // Allocate cost entries journal entries.
//     return [payableEntry, ...itemsEntries, ...landedCostEntries, ...taxEntries];
//   };

//   /**
//    * Retrieves the given bill ledger.
//    * @param {IBill} bill
//    * @param {number} payableAccountId
//    * @returns {Ledger}
//    */
//   private getBillLedger = (
//     bill: IBill,
//     payableAccountId: number,
//     taxPayableAccountId: number
//   ) => {
//     const entries = this.getBillGLEntries(
//       bill,
//       payableAccountId,
//       taxPayableAccountId
//     );

//     return new Ledger(entries);
//   };
// }