using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace pkNX.Structures;

public sealed class SeedPokeTable
{
    private readonly ushort[] Table;

    public SeedPokeTable(byte[] data)
    {
        Table = new ushort[data.Length/2];
        for (int i = 0; i < Table.Length; i++)
            Table[i] = BitConverter.ToUInt16(data, i * 2);
    }

    public ushort this[int index] => Table[index];

    public byte[] Write()
    {
        using var ms = new MemoryStream();
        using var bw = new BinaryWriter(ms);
        foreach (var seed in Table)
            bw.Write(seed);
        return ms.ToArray();
    }

    public IEnumerable<string> Dump(string[] specNames)
    {
        return Table.Select((t, i) => $"{i:000}\t{specNames[i]}\t{specNames[t]}");
    }
}