using System;

using ModuleManager.Extensions;

namespace ModuleManager

{

public interface INodeMatcher

{

bool IsMatch(ConfigNode node);

}

public class NodeMatcher : INodeMatcher

{

private readonly string type;

private readonly string[] namePatterns = null;

private readonly string constraints = "";

public NodeMatcher(string type, string name, string constraints)

{

if (type == string.Empty) throw new ArgumentException("can't be empty", nameof(type));

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

if (name == string.Empty) throw new ArgumentException("can't be empty (null allowed)", nameof(name));

if (constraints == string.Empty) throw new ArgumentException("can't be empty (null allowed)", nameof(constraints));

if (name != null) namePatterns = name.Split(',', '|');

if (constraints != null)

{

if (!constraints.IsBracketBalanced()) throw new ArgumentException("is not bracket balanced: " + constraints, nameof(constraints));

this.constraints = constraints;

}

}

public bool IsMatch(ConfigNode node)

{

if (node.name != type) return false;

if (namePatterns != null)

{

string name = node.GetValue("name");

if (name == null) return false;

bool match = false;

foreach (string pattern in namePatterns)

{

if (MMPatchLoader.WildcardMatch(name, pattern))

{

match = true;

break;

}

}

if (!match) return false;

}

return MMPatchLoader.CheckConstraints(node, constraints);

}

}

}