import { Injectable } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import moment from 'moment';
import { Repository } from 'typeorm';
import {
  AccountTransactionWebhookRequest,
  CardTransactionWebhookRequest,
} from '~/common/modules/neoleap/dtos/requests';
import { Card } from '../entities';
import { Account } from '../entities/account.entity';
import { Transaction } from '../entities/transaction.entity';
import { TransactionScope, TransactionType } from '../enums';

@Injectable()
export class TransactionRepository {
  constructor(@InjectRepository(Transaction) private transactionRepository: Repository<Transaction>) {}

  createCardTransaction(card: Card, transactionData: CardTransactionWebhookRequest): Promise<Transaction> {
    return this.transactionRepository.save(
      this.transactionRepository.create({
        transactionId: transactionData.transactionId,
        cardReference: transactionData.cardId,
        transactionAmount: transactionData.transactionAmount,
        transactionCurrency: transactionData.transactionCurrency,
        billingAmount: transactionData.billingAmount,
        settlementAmount: transactionData.settlementAmount,
        transactionDate: moment(transactionData.date + transactionData.time, 'YYYYMMDDHHmmss').toDate(),
        rrn: transactionData.rrn,
        cardMaskedNumber: transactionData.cardMaskedNumber,
        fees: transactionData.fees,
        cardId: card.id,
        accountId: card.account!.id,
        transactionType: TransactionType.EXTERNAL,
        accountReference: card.account!.accountReference,
        transactionScope: TransactionScope.CARD,
        vatOnFees: transactionData.vatOnFees,
      }),
    );
  }

  createAccountTransaction(account: Account, transactionData: AccountTransactionWebhookRequest): Promise<Transaction> {
    return this.transactionRepository.save(
      this.transactionRepository.create({
        transactionId: transactionData.transactionId,
        transactionAmount: transactionData.amount,
        transactionCurrency: transactionData.currency,
        billingAmount: 0,
        settlementAmount: 0,
        transactionDate: moment(transactionData.date + transactionData.time, 'YYYYMMDDHHmmss').toDate(),
        fees: 0,
        accountReference: account.accountReference,
        accountId: account.id,
        transactionType: TransactionType.EXTERNAL,
        transactionScope: TransactionScope.ACCOUNT,
        vatOnFees: 0,
      }),
    );
  }

  findTransactionByReference(transactionId: string, accountReference: string): Promise<Transaction | null> {
    return this.transactionRepository.findOne({
      where: { transactionId, accountReference },
    });
  }
}