using Model;

namespace TestDataManager;

public class DataManagerTest
{
    [Theory]
    [ClassData(typeof(TestData_BorrowBook))]
    public async void TestBorrowBook(bool expectedResult, Book bookToBorrow, Person borrower, IDataManager dataManager)
    {
        bool result = await dataManager.BorrowBook(bookToBorrow, borrower);
        Book? book = (await dataManager.GetBooksByIsbn(bookToBorrow?.Isbn, 0, 100)).SingleOrDefault();
        Person? person = (await dataManager.GetPersonsByName(borrower?.LastName, 0, 100)).SingleOrDefault();
    
        Assert.Equal(expectedResult, result);

        if(result)
        {
            Assert.NotNull(book);
            Assert.NotNull(person);
            Assert.Contains(book, person.Books);
            Assert.Equal(person, book.Borrower);
        }
        else
        {   
            if(person != null && book != null)
            {
                Assert.DoesNotContain(book, person.Books);
                Assert.NotEqual(person, book.Borrower);
            }
        }
    }
}