using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using ModuleManager.Collections;

namespace ModuleManager

{

public class PatchList

{

public class ModPass

{

public readonly List<UrlDir.UrlConfig> beforePatches = new List<UrlDir.UrlConfig>(0);

public readonly List<UrlDir.UrlConfig> forPatches = new List<UrlDir.UrlConfig>(0);

public readonly List<UrlDir.UrlConfig> afterPatches = new List<UrlDir.UrlConfig>(0);

public readonly string name;

public ModPass(string name)

{

this.name = name;

}

}

public class ModPassCollection : IEnumerable<ModPass>

{

private readonly ModPass[] passesArray;

private readonly Dictionary<string, ModPass> passesDict;

public ModPassCollection(IEnumerable<string> modList)

{

int count = modList.Count();

passesArray = new ModPass[count];

passesDict = new Dictionary<string, ModPass>(count);

int i = 0;

foreach (string mod in modList)

{

ModPass pass = new ModPass(mod);

passesArray[i] = pass;

passesDict.Add(mod.ToLowerInvariant(), pass);

i++;

}

}

public ModPass this[string name] => passesDict[name.ToLowerInvariant()];

public bool HasMod(string name) => passesDict.ContainsKey(name.ToLowerInvariant());

public ArrayEnumerator<ModPass> GetEnumerator() => new ArrayEnumerator<ModPass>(passesArray);

IEnumerator<ModPass> IEnumerable<ModPass>.GetEnumerator() => GetEnumerator();

IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();

}

public readonly List<UrlDir.UrlConfig> firstPatches = new List<UrlDir.UrlConfig>();

public readonly List<UrlDir.UrlConfig> legacyPatches = new List<UrlDir.UrlConfig>();

public readonly List<UrlDir.UrlConfig> finalPatches = new List<UrlDir.UrlConfig>();

public readonly ModPassCollection modPasses;

public PatchList(IEnumerable<string> modList)

{

modPasses = new ModPassCollection(modList);

}

}

}