using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TaskManegementSystemCore;
using TaskManegementSystemOperations;
using TaskManegementSystemOperations.Commands;

namespace Operations_Tests
{
    [TestClass]
    public class Show_All_People_Test
    {
        [TestMethod]
        public void ConstructurShouldCallBaseClass()
        {
            Repository repository = new Repository();

            Show_All_People command = new Show_All_People(repository);

            Assert.AreEqual(repository, command.Repository);
        }

        [TestMethod]
        public void ExecuteShouldCallMethod()
        {
            Repository repository = new Repository();

            Show_All_People command = new Show_All_People(repository);

            Create_Person person1 = new Create_Person(repository);

            person1.Repository.CreatePerson("peshko");

            Assert.AreEqual(command.ShowAllPeople(), command.Execute());

        }

        [TestMethod]
        public void ShowAllPeopleShouldThrowWhenNoPeople()
        {
            Repository repository = new Repository();

            Show_All_People command = new Show_All_People(repository);

            Assert.ThrowsException<ArgumentException>(() => command.ShowAllPeople());
        }


        [TestMethod]
        public void ShowAllPeopleShouldReturnAllPeople()
        {
            Repository repository = new Repository();

            Show_All_People command = new Show_All_People(repository);

            Create_Person person1 = new Create_Person(repository);

            person1.Repository.CreatePerson("peshko");
            person1.Repository.CreatePerson("sashko");

            string expected = $"1. peshko\r\n2. sashko";  //  \r\n is enviroment new line
            string current = command.ShowAllPeople();

            Assert.AreEqual(expected, current);
        }



    }
}