using FinancialApi.Domain;
using FluentAssertions;
using FluentAssertions.Execution;

namespace FinancialApi.Application.UnitTests;

public class ApplyFeeHandlerTests
{
    [Fact]
    public void GivenValidAccounts_BasicFee_ShouldValidateEverything()
    {
        // Arrange
        var command = new ApplyFeeCommand(1, 100);
        var account = new Account(1, 100, "Debit");
        var destAccount = new Account(99999, 100, "Credit");
        var pair = new FeePair(account, destAccount, TimeProvider.System.GetUtcNow());
        
        // Act
        var intents = ApplyFeeHandler.Handle(command, pair);

        // Assert
        using var _ = new AssertionScope();
        intents.CustomerWrite.Entity.Balance.Should().Be(0);
        intents.RevenueWrite.Entity.Balance.Should().Be(200);
        intents.RevenueWrite.Entity.Balance.Should().Be(200);
        intents.JournalWrite.Entity.Lines.Count.Should().Be(2);
        intents.Event.AccountId.Should().Be(account.Id);
        intents.Event.Amount.Should().Be(100);
    }
}