using System;

namespace ModuleManager.Patches

{

public interface IPatchCompiler

{

IPatch CompilePatch(ProtoPatch protoPatch);

}

public class PatchCompiler : IPatchCompiler

{

public IPatch CompilePatch(ProtoPatch protoPatch)

{

if (protoPatch == null) throw new ArgumentNullException(nameof(protoPatch));

return protoPatch.command switch

{

Command.Insert => new InsertPatch(protoPatch.urlConfig, protoPatch.nodeType, protoPatch.passSpecifier),

Command.Edit => new EditPatch(protoPatch.urlConfig, new NodeMatcher(protoPatch.nodeType, protoPatch.nodeName, protoPatch.has), protoPatch.passSpecifier),

Command.Copy => new CopyPatch(protoPatch.urlConfig, new NodeMatcher(protoPatch.nodeType, protoPatch.nodeName, protoPatch.has), protoPatch.passSpecifier),

Command.Delete => new DeletePatch(protoPatch.urlConfig, new NodeMatcher(protoPatch.nodeType, protoPatch.nodeName, protoPatch.has), protoPatch.passSpecifier),

_ => throw new ArgumentException("has an invalid command for a root node: " + protoPatch.command, nameof(protoPatch)),

};

}

}

}