using System;
using System.Collections.Generic;

namespace Socer;

// One shared rotation for everyone in the match, independent of football RNG.
public sealed class DialogueMemory
{
    readonly Dictionary<int,int> counts=new(),last=new();
    int sequence;
    public int TotalLines=>sequence;
    public int UniqueLines=>counts.Count;
    public int Uses(int id)=>counts.TryGetValue(id,out var value)?value:0;
    public int Last(int id)=>last.TryGetValue(id,out var value)?value:-1000000;
    public bool Recent(int id,int gap=32)=>sequence-Last(id)<gap;
    public void Record(int id){counts[id]=Uses(id)+1;last[id]=++sequence;}
    public static int PersonalAge(Footballer p,int id)
    {
        for(int ago=0;ago<p.RecentSpeechIds.Length && ago<p.SpeechHistoryCursor;ago++)
        {int index=(p.SpeechHistoryCursor-1-ago)%p.RecentSpeechIds.Length;if(p.RecentSpeechIds[index]==id)return ago;}
        return 1000000;
    }
}