using System;

using System.Linq;

using ModuleManager.Logging;

using ModuleManager.Extensions;

using ModuleManager.Patches;

using ModuleManager.Progress;

namespace ModuleManager

{

public class PatchApplier

{

private readonly IBasicLogger logger;

private readonly IPatchProgress progress;

private readonly IPatchList patchList;

private readonly UrlDir.UrlFile[] allConfigFiles;

public string Activity { get; private set; }

public PatchApplier(IPatchList patchList, UrlDir databaseRoot, IPatchProgress progress, IBasicLogger logger)

{

this.patchList = patchList;

this.progress = progress;

this.logger = logger;

allConfigFiles = databaseRoot.AllConfigFiles.ToArray();

}

public void ApplyPatches()

{

foreach (IPass pass in patchList)

{

ApplyPatches(pass);

}

}

private void ApplyPatches(IPass pass)

{

logger.Info(pass.Name + " pass");

Activity = "ModuleManager " + pass.Name;

foreach (IPatch patch in pass)

{

try

{

foreach (UrlDir.UrlFile file in allConfigFiles)

{

patch.Apply(file, progress, logger);

}

progress.PatchApplied();

}

catch (Exception e)

{

progress.Exception(patch.UrlConfig, "Exception while processing node : " + patch.UrlConfig.SafeUrl(), e);

try

{

logger.Error("Processed node was\n" + patch.UrlConfig.PrettyPrint());

}

catch (Exception ex2)

{

logger.Exception("Exception while attempting to print a node", ex2);

}

}

}

}

}

}