using System;
using System.Collections.Generic;
using System.Text;
using ArducopterConfigurator;
using ArducopterConfigurator.PresentationModels;
using NUnit.Framework;

namespace ArducopterConfiguratorTest
{
    internal class FakeComms : IComms
    {
        public event Action<string> LineOfDataReceived;
        public string CommPort { get; set; }
        public List<string> SentItems = new List<string>();

        public void Send(string send)
        {
            SentItems.Add(send);
        }

        public bool Connect()
        {
            return true;
        }

        public bool DisConnect()
        {
            return true;
        }

        public void FireLineRecieve(string s)
        {
            if (LineOfDataReceived != null)
                LineOfDataReceived(s);
        }
    }

    [TestFixture]
    public class MainVmTests
    {
        private FakeComms _fakeComms;
        private MainVm _vm;

        [SetUp]
        public void Setup()
        {
            _fakeComms = new FakeComms();
            _vm = new MainVm(_fakeComms);
        }

        [Test]
        public void StateInitiallyDisconnected()
        {
            Assert.AreEqual(MainVm.SessionStates.Disconnected,_vm.ConnectionState);
        }


    }


    [TestFixture]
    public class StableModeConfigVmTest
    {
        private FakeComms _fakeComms;
        private StableModeConfigVm _vm;

        [SetUp]
        public void Setup()
        {
            _fakeComms = new FakeComms();
            _vm = new StableModeConfigVm(_fakeComms);


        }

        [Test]
        public void UpdateStringSentIsCorrect()
        {
            _vm.PitchP = 1.0F;
            _vm.PitchI = 2.0F;
            _vm.PitchD = 3.0F;
            _vm.RollP = 5.0F;
            _vm.RollI = 6.0F;
            _vm.RollD = 7.0F;
            _vm.YawP = 8.0F;
            _vm.YawI = 9.0F;
            _vm.YawD = 10.0F;
            _vm.MagnetometerEnable = true;
            _vm.KPrate = 4.0F;
            
            _vm.UpdateCommand.Execute(null);
            

            Assert.AreEqual(1,_fakeComms.SentItems.Count);

            //A[KP Quad Roll];[KI Quad Roll];[KP RATE ROLL];
            // [KP Quad Pitch];[KI Quad Pitch];[KP RATE PITCH];
            // [KP Quad Yaw];[KI Quad Yaw];[KP Rate Yaw];
            // [KP Rate];[Magneto]
            Assert.AreEqual("A5;6;7;1;2;3;8;9;10;4;1", _fakeComms.SentItems[0]);
        }

        [Test]
        public void UpdateStringReceivedPopulatesValuesCorrectly()
        {
            _fakeComms.FireLineRecieve("B5;6;7;1;2;3;8;9;10;4;1");

             Assert.AreEqual(1.0f,_vm.PitchP);
             Assert.AreEqual(2f,_vm.PitchI);
             Assert.AreEqual(3f,_vm.PitchD);
             Assert.AreEqual(5f,_vm.RollP); 
             Assert.AreEqual(6f,_vm.RollI); 
             Assert.AreEqual(7f,_vm.RollD); 
             Assert.AreEqual(8f,_vm.YawP); 
             Assert.AreEqual(9f,_vm.YawI); 
             Assert.AreEqual(10f,_vm.YawD); 
             Assert.AreEqual(1f,_vm.MagnetometerEnable);
             Assert.AreEqual(4f,_vm.KPrate);
        }


    }
}