From 0214fcbe0974940f954b7fda641f928f85967786 Mon Sep 17 00:00:00 2001
From: Simon G <simon.gockner@gmail.com>
Date: Sat, 10 Apr 2021 17:58:38 +0200
Subject: [PATCH] - use driver to get correct midi device

---
 Lib.Audio/Device.cs                           |  2 +-
 .../Factories/IMidiCommunicationFactory.cs    |  3 +-
 Lib.Midi/Lib.Midi.csproj                      |  4 +++
 Lib.Midi/MidiCommunication.cs                 | 31 +++++++++++++++++--
 4 files changed, 35 insertions(+), 5 deletions(-)

diff --git a/Lib.Audio/Device.cs b/Lib.Audio/Device.cs
index 93f9f48..d4d9fed 100644
--- a/Lib.Audio/Device.cs
+++ b/Lib.Audio/Device.cs
@@ -23,7 +23,7 @@ namespace Lib.Audio
         public Device(IDriver driver, IMidiCommunicationFactory midiCommunicationFactory, IChannelFactory channelFactory)
         {
             _driver = driver;
-            _midiCommunication = midiCommunicationFactory.Create();
+            _midiCommunication = midiCommunicationFactory.Create(driver);
             _channelFactory = channelFactory;
 
             Channels = InitializeChannels();
diff --git a/Lib.Midi/Factories/IMidiCommunicationFactory.cs b/Lib.Midi/Factories/IMidiCommunicationFactory.cs
index b228134..26df81e 100644
--- a/Lib.Midi/Factories/IMidiCommunicationFactory.cs
+++ b/Lib.Midi/Factories/IMidiCommunicationFactory.cs
@@ -2,12 +2,13 @@
 // Created: 2021-04-09
 // Copyright(c) 2021 SimonG. All Rights Reserved.
 
+using Lib.Driver.Interfaces;
 using Lib.Midi.Interfaces;
 
 namespace Lib.Midi.Factories
 {
     public interface IMidiCommunicationFactory
     {
-        IMidiCommunication Create();
+        IMidiCommunication Create(IDriver driver);
     }
 }
\ No newline at end of file
diff --git a/Lib.Midi/Lib.Midi.csproj b/Lib.Midi/Lib.Midi.csproj
index 71db116..28dab81 100644
--- a/Lib.Midi/Lib.Midi.csproj
+++ b/Lib.Midi/Lib.Midi.csproj
@@ -9,4 +9,8 @@
       <PackageReference Include="NAudio.Midi" Version="2.0.0" />
     </ItemGroup>
 
+    <ItemGroup>
+      <ProjectReference Include="..\Lib.Driver\Lib.Driver.csproj" />
+    </ItemGroup>
+
 </Project>
diff --git a/Lib.Midi/MidiCommunication.cs b/Lib.Midi/MidiCommunication.cs
index 50209dd..d38db53 100644
--- a/Lib.Midi/MidiCommunication.cs
+++ b/Lib.Midi/MidiCommunication.cs
@@ -3,6 +3,9 @@
 // Copyright(c) 2021 SimonG. All Rights Reserved.
 
 using System;
+using System.Collections.Generic;
+using System.Linq;
+using Lib.Driver.Interfaces;
 using Lib.Midi.Interfaces;
 using Lib.Midi.Messages.Factories;
 using Lib.Midi.Messages.Interfaces;
@@ -16,11 +19,33 @@ namespace Lib.Midi
         private readonly MidiIn _midiIn;
         private readonly MidiOut _midiOut;
 
-        public MidiCommunication(IMidiMessageFactory midiMessageFactory)
+        public MidiCommunication(IDriver driver, IMidiMessageFactory midiMessageFactory)
         {
             _midiMessageFactory = midiMessageFactory;
-            _midiIn = new MidiIn(0); //TODO: don't always use device 0?
-            _midiOut = new MidiOut(0);
+
+            var midiInput = MidiInputs.FirstOrDefault(i => i.midiInCapabilities.ProductId == driver.ProductId);
+            var midiOutput = MidiOutputs.FirstOrDefault(o => o.midiOutCapabilities.ProductId == driver.ProductId);
+            
+            _midiIn = new MidiIn(midiInput.index);
+            _midiOut = new MidiOut(midiOutput.index);
+        }
+        
+        private IEnumerable<(MidiInCapabilities midiInCapabilities, int index)> MidiInputs 
+        {
+            get
+            {
+                for (int i = 0; i < MidiIn.NumberOfDevices; i++)
+                    yield return (MidiIn.DeviceInfo(i), i);
+            }
+        }
+        
+        private IEnumerable<(MidiOutCapabilities midiOutCapabilities, int index)> MidiOutputs
+        {
+            get
+            {
+                for (int i = 0; i < MidiOut.NumberOfDevices; i++)
+                    yield return (MidiOut.DeviceInfo(i), i);
+            }
         }
         
         public void Open()