using Microsoft.EntityFrameworkCore;
using SmallSoftwareContracts.DataModels;
using SmallSoftwareDatabase.Implementations;
using SmallSoftwareDatabase.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SmallSoftwareTests.StoragesContracts;

[TestFixture]
internal class SalaryStorageContractTests : BaseStorageContractTest
{
    private SalaryStorageContract _salaryStorageContract;
    private Worker _worker;
    [SetUp]
    public void SetUp()
    {
        _salaryStorageContract = new
        SalaryStorageContract(SmallSoftwareDbContext);
        _worker = InsertWorkerToDatabaseAndReturn();
    }
    [TearDown]
    public void TearDown()
    {
        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Salaries\" CASCADE; ");
        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Workers\" CASCADE; ");
    }
    [Test]
    public void Try_GetList_WhenHaveRecords_Test()
    {
        var salary = InsertSalaryToDatabaseAndReturn(_worker.Id,
        workerSalary: 100);
        InsertSalaryToDatabaseAndReturn(_worker.Id);
        InsertSalaryToDatabaseAndReturn(_worker.Id);
        var list = _salaryStorageContract.GetList(DateTime.UtcNow.AddDays(-
        10), DateTime.UtcNow.AddDays(10));
        Assert.That(list, Is.Not.Null);
        Assert.That(list, Has.Count.EqualTo(3));
        AssertElement(list.First(), salary);
    }
    [Test]
    public void Try_GetList_WhenNoRecords_Test()
    {
        var list = _salaryStorageContract.GetList(DateTime.UtcNow.AddDays(-
        10), DateTime.UtcNow.AddDays(10));
        Assert.That(list, Is.Not.Null);
        Assert.That(list, Is.Empty);
    }
    [Test]
    public void Try_GetList_OnlyInDatePeriod_Test()
    {
        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(-2));
        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(-1).AddMinutes(-5));
        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(-1).AddMinutes(5));
        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(1).AddMinutes(-5));
        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(1).AddMinutes(5));
        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(-2));
        var list = _salaryStorageContract.GetList(DateTime.UtcNow.AddDays(-
        1), DateTime.UtcNow.AddDays(1));
        Assert.That(list, Is.Not.Null);
        Assert.Multiple(() =>
        {
            Assert.That(list, Has.Count.EqualTo(2));
        });
    }
    [Test]
    public void Try_GetList_ByWorker_Test()
    {
        var worker = InsertWorkerToDatabaseAndReturn("name 2");
        InsertSalaryToDatabaseAndReturn(_worker.Id);
        InsertSalaryToDatabaseAndReturn(_worker.Id);
        InsertSalaryToDatabaseAndReturn(worker.Id);
        var list = _salaryStorageContract.GetList(DateTime.UtcNow.AddDays(-
        1), DateTime.UtcNow.AddDays(1), _worker.Id);
        Assert.That(list, Is.Not.Null);
        Assert.Multiple(() =>
        {
            Assert.That(list, Has.Count.EqualTo(2));
            Assert.That(list.All(x => x.WorkerId == _worker.Id));
        });
    }
    [Test]
    public void Try_GetList_ByWorkerOnlyInDatePeriod_Test()
    {
        var worker = InsertWorkerToDatabaseAndReturn("name 2");
        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(-2));
        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(-1).AddMinutes(5));
        InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(-1).AddMinutes(5));
        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(1).AddMinutes(-5));
        InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(1).AddMinutes(-5));
        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
        DateTime.UtcNow.AddDays(-2));
        var list = _salaryStorageContract.GetList(DateTime.UtcNow.AddDays(-
        1), DateTime.UtcNow.AddDays(1), _worker.Id);
        Assert.That(list, Is.Not.Null);
        Assert.Multiple(() =>
        {
            Assert.That(list, Has.Count.EqualTo(2));
            Assert.That(list.All(x => x.WorkerId == _worker.Id));
        });
    } 
    [Test]
    public void Try_AddElement_Test()
    {
        var salary = CreateModel(_worker.Id);
        _salaryStorageContract.AddElement(salary);
        AssertElement(GetSalaryFromDatabaseByWorkerId(_worker.Id), salary);
    }
    private Worker InsertWorkerToDatabaseAndReturn(string workerFIO = "fio")
    {
        var worker = new Worker()
        {
            Id = Guid.NewGuid().ToString(),
            PostId =
        Guid.NewGuid().ToString(),
            FIO = workerFIO,
            IsDeleted = false
        };
        SmallSoftwareDbContext.Workers.Add(worker);
        SmallSoftwareDbContext.SaveChanges();
        return worker;
    }
    private Salary InsertSalaryToDatabaseAndReturn(string workerId, double
    workerSalary = 1, DateTime? salaryDate = null)
    {
        var salary = new Salary()
        {
            WorkerId = workerId,
            WorkerSalary =
        workerSalary,
            SalaryDate = salaryDate ?? DateTime.UtcNow
        };
        SmallSoftwareDbContext.Salaries.Add(salary);
        SmallSoftwareDbContext.SaveChanges();
        return salary;
    }
    private static void AssertElement(SalaryDataModel? actual, Salary expected)
    {
        Assert.That(actual, Is.Not.Null);
        Assert.Multiple(() =>
        {
            Assert.That(actual.WorkerId, Is.EqualTo(expected.WorkerId));
            Assert.That(actual.Salary, Is.EqualTo(expected.WorkerSalary));
        });
    }
    private static SalaryDataModel CreateModel(string workerId, double
    workerSalary = 1, DateTime? salaryDate = null)
    => new(workerId, salaryDate ?? DateTime.UtcNow, workerSalary);
    private Salary? GetSalaryFromDatabaseByWorkerId(string id) =>
    SmallSoftwareDbContext.Salaries.FirstOrDefault(x => x.WorkerId == id);
    private static void AssertElement(Salary? actual, SalaryDataModel expected)
    {
        Assert.That(actual, Is.Not.Null);
        Assert.Multiple(() =>
        {
            Assert.That(actual.WorkerId, Is.EqualTo(expected.WorkerId));
            Assert.That(actual.WorkerSalary, Is.EqualTo(expected.Salary));
        });
    }

}