package de.rwu.easydrop.service.processing;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

import org.junit.jupiter.api.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import de.rwu.easydrop.api.dto.TransactionDTO;
import de.rwu.easydrop.data.connector.TransactionPersistenceInterface;
import de.rwu.easydrop.model.Offer;
import de.rwu.easydrop.model.Product;
import de.rwu.easydrop.model.Transaction;
import de.rwu.easydrop.service.mapping.TransactionMapper;

class TransactionHandlerTest {

    @Mock
    private TransactionPersistenceInterface mockPersistence;

    public TransactionHandlerTest() {
        MockitoAnnotations.openMocks(this);
    }

    @Test
    void turnOfferToTransaction_ValidOffer_TransactionCreatedAndWrittenToPersistence() {
        // Arrange
        Offer offer = new Offer();
        Product product = new Product();
        offer.setSourceProduct(product);
        offer.setTargetProduct(product);

        TransactionHandler handler = new TransactionHandler(mockPersistence);

        // Act
        handler.turnOfferToTransaction(offer);

        // Assert
        ArgumentCaptor<TransactionDTO> transactionDtoCaptor = ArgumentCaptor.forClass(TransactionDTO.class);
        verify(mockPersistence, times(1)).writeTX(transactionDtoCaptor.capture());

        TransactionDTO capturedTransactionDto = transactionDtoCaptor.getValue();
        Transaction capturedTransaction = TransactionMapper.mapTXFromDTO(capturedTransactionDto);

        assertEquals(offer.getOfferId(), capturedTransaction.getOfferId());
    }
}