using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;
using Moq;
using PuferFishBusinessLogic.Implementations;
using PuferFishContracts.DataModels;
using PuferFishContracts.Enums;
using PuferFishContracts.Exceptions;
using PuferFishContracts.StoragesContracts;

namespace PuferFishTests.BusinessLogicsContractsTests;

[TestFixture]
internal class ProductBusinessLogicContractTests
{
    private ProductBusinessLogicContract _productBusinessLogicContract;
    private Mock<IProductStorageContract> _productStorageContract;
    [OneTimeSetUp]
    public void OneTimeSetUp()
    {
        _productStorageContract = new Mock<IProductStorageContract>();
        _productBusinessLogicContract = new ProductBusinessLogicContract(_productStorageContract.Object, new Mock<ILogger>().Object);
    }
    [SetUp]
    public void SetUp()
    {
        _productStorageContract.Reset();
    }
    [Test]
    public void GetAllProducts_ReturnListOfRecords_Test()
    {
        //Arrange
        var listOriginal = new List<ProductDataModel>()
{
new(Guid.NewGuid().ToString(), "name 1", ProductType.Onigiri, 10, false),
new(Guid.NewGuid().ToString(), "name 2", ProductType.Onigiri, 10, true),
new(Guid.NewGuid().ToString(), "name 3", ProductType.Onigiri, 10, false),
};
        _productStorageContract.Setup(x => x.GetList(It.IsAny<bool>(),
        It.IsAny<string>())).Returns(listOriginal);
        //Act
        var listOnlyActive =
        _productBusinessLogicContract.GetAllProducts(true);
        var list = _productBusinessLogicContract.GetAllProducts(false);
        //Assert
        Assert.Multiple(() =>
        {
            Assert.That(listOnlyActive, Is.Not.Null);
            Assert.That(list, Is.Not.Null);
            Assert.That(listOnlyActive, Is.EquivalentTo(listOriginal));
            Assert.That(list, Is.EquivalentTo(listOriginal));
        });
        _productStorageContract.Verify(x => x.GetList(true, null),
        Times.Once);
        _productStorageContract.Verify(x => x.GetList(false, null),
        Times.Once);
    }
    [Test]
    public void GetAllProducts_ReturnEmptyList_Test()
    {
        //Arrange
        _productStorageContract.Setup(x => x.GetList(It.IsAny<bool>(),
        It.IsAny<string>())).Returns([]);
        //Act
        var listOnlyActive =
        _productBusinessLogicContract.GetAllProducts(true);
        var list = _productBusinessLogicContract.GetAllProducts(false);
        //Assert
        Assert.Multiple(() =>
        {
            Assert.That(listOnlyActive, Is.Not.Null);
            Assert.That(list, Is.Not.Null);
            Assert.That(listOnlyActive, Has.Count.EqualTo(0));
            Assert.That(list, Has.Count.EqualTo(0));
        });
        _productStorageContract.Verify(x => x.GetList(It.IsAny<bool>(),
        null), Times.Exactly(2));
    }
    [Test]
    public void GetAllProducts_ReturnNull_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetAllProducts(It.IsAny<bool>()),
        Throws.TypeOf<NullListException>());
        _productStorageContract.Verify(x => x.GetList(It.IsAny<bool>(),
It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void GetAllProducts_StorageThrowError_ThrowException_Test()
    {
        //Arrange
        _productStorageContract.Setup(x => x.GetList(It.IsAny<bool>(),
        It.IsAny<string>())).Throws(new StorageException(new
        InvalidOperationException()));
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetAllProducts(It.IsAny<bool>()),
        Throws.TypeOf<StorageException>());
        _productStorageContract.Verify(x => x.GetList(It.IsAny<bool>(),
        It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void GetAllProductsByManufacturer_ReturnListOfRecords_Test()
    {
        //Arrange
        var manufacturerId = Guid.NewGuid().ToString();
        var listOriginal = new List<ProductDataModel>()
{
new(Guid.NewGuid().ToString(), "name 1", ProductType.Onigiri, 10, false),
new(Guid.NewGuid().ToString(), "name 2", ProductType.Onigiri, 10, true),
new(Guid.NewGuid().ToString(), "name 3", ProductType.Onigiri, 10, false),
};
        _productStorageContract.Setup(x => x.GetList(It.IsAny<bool>(),
        It.IsAny<string>())).Returns(listOriginal);
        //Act
        var listOnlyActive =
        _productBusinessLogicContract.GetAllProductsByManufacturer(manufacturerId, true);
        var list =
        _productBusinessLogicContract.GetAllProductsByManufacturer(manufacturerId,
        false);
        //Assert
        Assert.Multiple(() =>
        {
            Assert.That(listOnlyActive, Is.Not.Null);
            Assert.That(list, Is.Not.Null);
            Assert.That(listOnlyActive, Is.EquivalentTo(listOriginal));
            Assert.That(list, Is.EquivalentTo(listOriginal));
        });
        _productStorageContract.Verify(x => x.GetList(true, manufacturerId),
        Times.Once);
        _productStorageContract.Verify(x => x.GetList(false, manufacturerId),
        Times.Once);
    }
    [Test]
    public void GetAllProductsByManufacturer_ReturnEmptyList_Test()
    {
        //Arrange
        var manufacturerId = Guid.NewGuid().ToString();
        _productStorageContract.Setup(x => x.GetList(It.IsAny<bool>(),
        It.IsAny<string>())).Returns([]);
        //Act
        var listOnlyActive =
_productBusinessLogicContract.GetAllProductsByManufacturer(manufacturerId, true);
        var list =
        _productBusinessLogicContract.GetAllProductsByManufacturer(manufacturerId,
        false);
        //Assert
        Assert.Multiple(() =>
        {
            Assert.That(listOnlyActive, Is.Not.Null);
            Assert.That(list, Is.Not.Null);
            Assert.That(listOnlyActive, Has.Count.EqualTo(0));
            Assert.That(list, Has.Count.EqualTo(0));
        });
        _productStorageContract.Verify(x => x.GetList(It.IsAny<bool>(),
        manufacturerId), Times.Exactly(2));
    }
    [Test]
    public void
    GetAllProductsByManufacturer_ManufacturerIdIsNullOrEmpty_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetAllProductsByManufacturer(null,
        It.IsAny<bool>()), Throws.TypeOf<ArgumentNullException>());
        Assert.That(() =>
        _productBusinessLogicContract.GetAllProductsByManufacturer(string.Empty,
        It.IsAny<bool>()), Throws.TypeOf<ArgumentNullException>());
        _productStorageContract.Verify(x => x.GetList(It.IsAny<bool>(),
        It.IsAny<string>()), Times.Never);
    }
    [Test]
    public void
    GetAllProductsByManufacturer_ManufacturerIdIsNotGuid_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetAllProductsByManufacturer("manufacturerId",
        It.IsAny<bool>()), Throws.TypeOf<ValidationException>());
        _productStorageContract.Verify(x => x.GetList(It.IsAny<bool>(),
        It.IsAny<string>()), Times.Never);
    }
    [Test]
    public void GetAllProductsByManufacturer_ReturnNull_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetAllProductsByManufacturer(Guid.NewGuid().ToString(), It.IsAny<bool>()), Throws.TypeOf<NullListException>());
        _productStorageContract.Verify(x => x.GetList(It.IsAny<bool>(),
        It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void
    GetAllProductsByManufacturer_StorageThrowError_ThrowException_Test()
    {
        //Arrange
        _productStorageContract.Setup(x => x.GetList(It.IsAny<bool>(),
        It.IsAny<string>())).Throws(new StorageException(new
        InvalidOperationException()));
        //Act&Assert
        Assert.That(() =>
_productBusinessLogicContract.GetAllProductsByManufacturer(Guid.NewGuid().ToString(), It.IsAny<bool>()), Throws.TypeOf<StorageException>());
        _productStorageContract.Verify(x => x.GetList(It.IsAny<bool>(),
        It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void GetProductHistoryByProduct_ReturnListOfRecords_Test()
    {
        //Arrange
        var productId = Guid.NewGuid().ToString();
        var listOriginal = new List<ProductHistoryDataModel>()
{
new(Guid.NewGuid().ToString(), 10),
new(Guid.NewGuid().ToString(), 15),
new(Guid.NewGuid().ToString(), 10),
};
        _productStorageContract.Setup(x =>
        x.GetHistoryByProductId(It.IsAny<string>())).Returns(listOriginal);
        //Act
        var list =
        _productBusinessLogicContract.GetProductHistoryByProduct(productId);
        //Assert
        Assert.That(list, Is.Not.Null);
        Assert.That(list, Is.EquivalentTo(listOriginal));
        _productStorageContract.Verify(x =>
        x.GetHistoryByProductId(productId), Times.Once);
    }
    [Test]
    public void GetProductHistoryByProduct_ReturnEmptyList_Test()
    {
        //Arrange
        _productStorageContract.Setup(x =>
        x.GetHistoryByProductId(It.IsAny<string>())).Returns([]);
        //Act
        var list =
        _productBusinessLogicContract.GetProductHistoryByProduct(Guid.NewGuid().ToString(
        ));
        //Assert
        Assert.That(list, Is.Not.Null);
        Assert.That(list, Has.Count.EqualTo(0));
        _productStorageContract.Verify(x =>
        x.GetHistoryByProductId(It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void
    GetProductHistoryByProduct_ProductIdIsNullOrEmpty_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetProductHistoryByProduct(null),
        Throws.TypeOf<ArgumentNullException>());
        Assert.That(() =>
        _productBusinessLogicContract.GetProductHistoryByProduct(string.Empty),
        Throws.TypeOf<ArgumentNullException>());
        _productStorageContract.Verify(x =>
        x.GetHistoryByProductId(It.IsAny<string>()), Times.Never);
    }
    [Test]
    public void
GetProductHistoryByProduct_ProductIdIsNotGuid_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetProductHistoryByProduct("productId"),
        Throws.TypeOf<ValidationException>());
        _productStorageContract.Verify(x =>
        x.GetHistoryByProductId(It.IsAny<string>()), Times.Never);
    }
    [Test]
    public void GetProductHistoryByProduct_ReturnNull_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetProductHistoryByProduct(Guid.NewGuid().ToString(
        )), Throws.TypeOf<NullListException>());
        _productStorageContract.Verify(x =>
        x.GetHistoryByProductId(It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void
    GetProductHistoryByProduct_StorageThrowError_ThrowException_Test()
    {
        //Arrange
        _productStorageContract.Setup(x =>
        x.GetHistoryByProductId(It.IsAny<string>())).Throws(new StorageException(new
        InvalidOperationException()));
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetProductHistoryByProduct(Guid.NewGuid().ToString(
        )), Throws.TypeOf<StorageException>());
        _productStorageContract.Verify(x =>
        x.GetHistoryByProductId(It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void GetProductByData_GetById_ReturnRecord_Test()
    {
        //Arrange
        var id = Guid.NewGuid().ToString();
        var record = new ProductDataModel(id, "name", ProductType.Onigiri, 10, false);
        _productStorageContract.Setup(x =>
        x.GetElementById(id)).Returns(record);
        //Act
        var element = _productBusinessLogicContract.GetProductByData(id);
        //Assert
        Assert.That(element, Is.Not.Null);
        Assert.That(element.Id, Is.EqualTo(id));
        _productStorageContract.Verify(x =>
        x.GetElementById(It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void GetProductByData_GetByName_ReturnRecord_Test()
    {
        //Arrange
        var name = "name";
        var record = new ProductDataModel(Guid.NewGuid().ToString(), name, ProductType.Onigiri, 10, false);
        _productStorageContract.Setup(x =>
x.GetElementByName(name)).Returns(record);
        //Act
        var element = _productBusinessLogicContract.GetProductByData(name);
        //Assert
        Assert.That(element, Is.Not.Null);
        Assert.That(element.ProductName, Is.EqualTo(name));
        _productStorageContract.Verify(x =>
        x.GetElementByName(It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void GetProductByData_EmptyData_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetProductByData(null),
        Throws.TypeOf<ArgumentNullException>());
        Assert.That(() =>
        _productBusinessLogicContract.GetProductByData(string.Empty),
        Throws.TypeOf<ArgumentNullException>());
        _productStorageContract.Verify(x =>
        x.GetElementByName(It.IsAny<string>()), Times.Never);
        _productStorageContract.Verify(x =>
        x.GetElementByName(It.IsAny<string>()), Times.Never);
    }
    [Test]
    public void GetProductByData_GetById_NotFoundRecord_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetProductByData(Guid.NewGuid().ToString()),
        Throws.TypeOf<ElementNotFoundException>());
        _productStorageContract.Verify(x =>
        x.GetElementById(It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void GetProductByData_GetByName_NotFoundRecord_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetProductByData("name"),
        Throws.TypeOf<ElementNotFoundException>());
        _productStorageContract.Verify(x =>
        x.GetElementByName(It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void GetProductByData_StorageThrowError_ThrowException_Test()
    {
        //Arrange
        _productStorageContract.Setup(x =>
        x.GetElementById(It.IsAny<string>())).Throws(new StorageException(new
        InvalidOperationException()));
        _productStorageContract.Setup(x =>
        x.GetElementByName(It.IsAny<string>())).Throws(new StorageException(new
        InvalidOperationException()));
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.GetProductByData(Guid.NewGuid().ToString()),
        Throws.TypeOf<StorageException>());
        Assert.That(() =>
_productBusinessLogicContract.GetProductByData("name"),
Throws.TypeOf<StorageException>());
        _productStorageContract.Verify(x =>
        x.GetElementById(It.IsAny<string>()), Times.Once);
        _productStorageContract.Verify(x =>
        x.GetElementByName(It.IsAny<string>()), Times.Once);
    }
    [Test]
    public void InsertProduct_CorrectRecord_Test()
    {
        //Arrange
        var flag = false;
        var record = new ProductDataModel(Guid.NewGuid().ToString(), "name", ProductType.Onigiri, 10, false);
        _productStorageContract.Setup(x =>
        x.AddElement(It.IsAny<ProductDataModel>()))
        .Callback((ProductDataModel x) =>
        {
            flag = x.Id == record.Id && x.ProductName == record.ProductName && x.ProductType == record.ProductType && x.Price == record.Price && x.IsDeleted == record.IsDeleted;
        });
        //Act
        _productBusinessLogicContract.InsertProduct(record);
        //Assert
        _productStorageContract.Verify(x =>
        x.AddElement(It.IsAny<ProductDataModel>()), Times.Once);
        Assert.That(flag);
    }
    [Test]
    public void InsertProduct_RecordWithExistsData_ThrowException_Test()
    {
        //Arrange
        _productStorageContract.Setup(x =>
        x.AddElement(It.IsAny<ProductDataModel>())).Throws(new
        ElementExistsException("Data", "Data"));
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.InsertProduct(new(Guid.NewGuid().ToString(), "name", ProductType.Onigiri, 10, false)),
        Throws.TypeOf<ElementExistsException>());
        _productStorageContract.Verify(x =>
        x.AddElement(It.IsAny<ProductDataModel>()), Times.Once);
    }
    [Test]
    public void InsertProduct_NullRecord_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() => _productBusinessLogicContract.InsertProduct(null),
        Throws.TypeOf<ArgumentNullException>());
        _productStorageContract.Verify(x =>
        x.AddElement(It.IsAny<ProductDataModel>()), Times.Never);
    }
    [Test]
    public void InsertProduct_InvalidRecord_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() => _productBusinessLogicContract.InsertProduct(new ProductDataModel("id", "name", ProductType.Onigiri, 10, false)), Throws.TypeOf<ValidationException>());
        _productStorageContract.Verify(x =>
        x.AddElement(It.IsAny<ProductDataModel>()), Times.Never);
    }
    [Test]
    public void InsertProduct_StorageThrowError_ThrowException_Test()
    {
        //Arrange
        _productStorageContract.Setup(x =>
        x.AddElement(It.IsAny<ProductDataModel>())).Throws(new StorageException(new
        InvalidOperationException()));
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.InsertProduct(new(Guid.NewGuid().ToString(), "name", ProductType.Onigiri, 10, false)),
        Throws.TypeOf<StorageException>());
        _productStorageContract.Verify(x =>
        x.AddElement(It.IsAny<ProductDataModel>()), Times.Once);
    }
    [Test]
    public void UpdateProduct_CorrectRecord_Test()
    {
        //Arrange
        var flag = false;
        var record = new ProductDataModel(Guid.NewGuid().ToString(), "name", ProductType.Onigiri, 10, false);
        _productStorageContract.Setup(x =>
        x.UpdElement(It.IsAny<ProductDataModel>()))
        .Callback((ProductDataModel x) =>
        {
            flag = x.Id == record.Id && x.ProductName == record.ProductName && x.ProductType == record.ProductType && x.Price ==
    record.Price && x.IsDeleted == record.IsDeleted;
        });
        //Act
        _productBusinessLogicContract.UpdateProduct(record);
        //Assert
        _productStorageContract.Verify(x =>
        x.UpdElement(It.IsAny<ProductDataModel>()), Times.Once);
        Assert.That(flag);
    }
    [Test]
    public void UpdateProduct_RecordWithIncorrectData_ThrowException_Test()
    {
        //Arrange
        _productStorageContract.Setup(x =>
        x.UpdElement(It.IsAny<ProductDataModel>())).Throws(new
        ElementNotFoundException(""));
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.UpdateProduct(new(Guid.NewGuid().ToString(),
        "name", ProductType.Onigiri, 10, false)),
        Throws.TypeOf<ElementNotFoundException>());
        _productStorageContract.Verify(x =>
        x.UpdElement(It.IsAny<ProductDataModel>()), Times.Once);
    }
    [Test]
    public void UpdateProduct_RecordWithExistsData_ThrowException_Test()
    {
        //Arrange
        _productStorageContract.Setup(x =>
        x.UpdElement(It.IsAny<ProductDataModel>())).Throws(new
        ElementExistsException("Data", "Data"));
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.UpdateProduct(new(Guid.NewGuid().ToString(),
        "anme", ProductType.Onigiri, 10, false)),
        Throws.TypeOf<ElementExistsException>());
        _productStorageContract.Verify(x =>
        x.UpdElement(It.IsAny<ProductDataModel>()), Times.Once);
    }
    [Test]
    public void UpdateProduct_NullRecord_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() => _productBusinessLogicContract.UpdateProduct(null),
        Throws.TypeOf<ArgumentNullException>());
        _productStorageContract.Verify(x =>
        x.UpdElement(It.IsAny<ProductDataModel>()), Times.Never);
    }
    [Test]
    public void UpdateProduct_InvalidRecord_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() => _productBusinessLogicContract.UpdateProduct(new
        ProductDataModel("id", "name", ProductType.Onigiri, 10, false)), Throws.TypeOf<ValidationException>());
        _productStorageContract.Verify(x =>
        x.UpdElement(It.IsAny<ProductDataModel>()), Times.Never);
    }
    [Test]
    public void UpdateProduct_StorageThrowError_ThrowException_Test()
    {
        //Arrange
        _productStorageContract.Setup(x =>
        x.UpdElement(It.IsAny<ProductDataModel>())).Throws(new StorageException(new
        InvalidOperationException()));
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.UpdateProduct(new(Guid.NewGuid().ToString(),
        "name", ProductType.Onigiri, 10, false)),
        Throws.TypeOf<StorageException>());
        _productStorageContract.Verify(x =>
        x.UpdElement(It.IsAny<ProductDataModel>()), Times.Once);
    }
    [Test]
    public void DeleteProduct_CorrectRecord_Test()
    {
        //Arrange
        var id = Guid.NewGuid().ToString();
        var flag = false;
        _productStorageContract.Setup(x => x.DelElement(It.Is((string x) => x
        == id))).Callback(() => { flag = true; });
        //Act
        _productBusinessLogicContract.DeleteProduct(id);
        //Assert
        _productStorageContract.Verify(x => x.DelElement(It.IsAny<string>()),
Times.Once);
        Assert.That(flag);
    }
    [Test]
    public void DeleteProduct_RecordWithIncorrectId_ThrowException_Test()
    {
        //Arrange
        var id = Guid.NewGuid().ToString();
        _productStorageContract.Setup(x =>
        x.DelElement(It.IsAny<string>())).Throws(new ElementNotFoundException(id));
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.DeleteProduct(Guid.NewGuid().ToString()),
        Throws.TypeOf<ElementNotFoundException>());
        _productStorageContract.Verify(x => x.DelElement(It.IsAny<string>()),
        Times.Once);
    }
    [Test]
    public void DeleteProduct_IdIsNullOrEmpty_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() => _productBusinessLogicContract.DeleteProduct(null),
        Throws.TypeOf<ArgumentNullException>());
        Assert.That(() =>
        _productBusinessLogicContract.DeleteProduct(string.Empty),
        Throws.TypeOf<ArgumentNullException>());
        _productStorageContract.Verify(x => x.DelElement(It.IsAny<string>()),
        Times.Never);
    }
    [Test]
    public void DeleteProduct_IdIsNotGuid_ThrowException_Test()
    {
        //Act&Assert
        Assert.That(() => _productBusinessLogicContract.DeleteProduct("id"),
        Throws.TypeOf<ValidationException>());
        _productStorageContract.Verify(x => x.DelElement(It.IsAny<string>()),
        Times.Never);
    }
    [Test]
    public void DeleteProduct_StorageThrowError_ThrowException_Test()
    {
        //Arrange
        _productStorageContract.Setup(x =>
        x.DelElement(It.IsAny<string>())).Throws(new StorageException(new
        InvalidOperationException()));
        //Act&Assert
        Assert.That(() =>
        _productBusinessLogicContract.DeleteProduct(Guid.NewGuid().ToString()),
        Throws.TypeOf<StorageException>());
        _productStorageContract.Verify(x => x.DelElement(It.IsAny<string>()),
        Times.Once);
    }
}