package de.financer.task;

import de.financer.config.FinancerConfig;
import de.financer.model.Account;
import de.financer.model.RecurringTransaction;
import de.financer.service.RecurringTransactionService;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;

@RunWith(MockitoJUnitRunner.class)
public class SendRecurringTransactionReminderTaskTest {
    @InjectMocks
    private SendRecurringTransactionReminderTask classUnderTest;

    @Mock
    private RecurringTransactionService recurringTransactionService;

    @Mock
    private JavaMailSender mailSender;

    @Mock
    private FinancerConfig financerConfig;

    @Test
    public void test_sendReminder() {
        // Arrange
        final Collection<RecurringTransaction> recurringTransactions = Arrays.asList(
          createRecurringTransaction("Test booking 1", "Income", "accounts.bank", Long.valueOf(250000), true),
          createRecurringTransaction("Test booking 2", "Bank", "accounts.rent", Long.valueOf(41500), true),
          createRecurringTransaction("Test booking 3", "Bank", "accounts.cash", Long.valueOf(5000), true),
          createRecurringTransaction("Test booking 4", "Car", "accounts.car", Long.valueOf(1234), false)
        );

        Mockito.when(this.recurringTransactionService.getAllDueToday()).thenReturn(recurringTransactions);
        Mockito.when(this.financerConfig.getMailRecipients()).thenReturn(Collections.singletonList("test@test.com"));

        // Act
        this.classUnderTest.sendReminder();

        // Assert
        Mockito.verify(this.mailSender, Mockito.times(1)).send(Mockito.any(SimpleMailMessage.class));
    }

    private RecurringTransaction createRecurringTransaction(String description, String fromAccountKey, String toAccountKey, Long amount, boolean remind) {
        final RecurringTransaction recurringTransaction = new RecurringTransaction();

        recurringTransaction.setDescription(description);
        recurringTransaction.setFromAccount(createAccount(fromAccountKey));
        recurringTransaction.setToAccount(createAccount(toAccountKey));
        recurringTransaction.setAmount(amount);
        recurringTransaction.setRemind(remind);

        return recurringTransaction;
    }

    private Account createAccount(String key) {
        final Account account = new Account();

        account.setKey(key);

        return account;
    }
}