using System;

using System.Collections;

using System.Collections.Generic;

using System.IO;

using ModuleManager.Extensions;

using ModuleManager.Logging;

using ModuleManager.Threading;

using static ModuleManager.FilePathRepository;

namespace ModuleManager

{

public class MMPatchRunner

{

private readonly IBasicLogger kspLogger;

public string Status { get; private set; } = "";

public string Errors { get; private set; } = "";

public MMPatchRunner(IBasicLogger kspLogger)

{

this.kspLogger = kspLogger ?? throw new ArgumentNullException(nameof(kspLogger));

}

public IEnumerator Run()

{

PostPatchLoader.Instance.databaseConfigs = null;

// Wait for game database to be initialized for the 2nd time and wait for any plugins to initialize

yield return null;

yield return null;

IEnumerable<ModListGenerator.ModAddedByAssembly> modsAddedByAssemblies = ModListGenerator.GetAdditionalModsFromStaticMethods(ModLogger.Instance);

IEnumerable<IProtoUrlConfig> databaseConfigs = null;

MMPatchLoader patchLoader = new MMPatchLoader(modsAddedByAssemblies, ModLogger.Instance);

ITaskStatus patchingThreadStatus = BackgroundTask.Start(delegate

{

databaseConfigs = patchLoader.Run();

});

while(true)

{

yield return null;

Status = patchLoader.status;

Errors = patchLoader.errors;

if (!patchingThreadStatus.IsRunning) break;

}

if (patchingThreadStatus.IsExitedWithError)

{

kspLogger.Exception("The patching thread threw an exception", patchingThreadStatus.Exception);

FatalErrorHandler.HandleFatalError("The patching thread threw an exception");

yield break;

}

if (databaseConfigs == null)

{

kspLogger.Error("The patcher returned a null collection of configs");

FatalErrorHandler.HandleFatalError("The patcher returned a null collection of configs");

yield break;

}

PostPatchLoader.Instance.databaseConfigs = databaseConfigs;

}

}

}