using System;
using System.Collections.Generic;

namespace Game;

public class Config
{
    private Dictionary<string, string> dictionary = new Dictionary<string, string>();

    public string this[string key]
    {
        get => dictionary[key];
        set => dictionary[key] = value;
    }

    // TODO: This is for debugging only, remove this later
    public string[] Commands = Array.Empty<string>();

    public string[] GetLines()
    {
        string[] lines = new string[dictionary.Count + Commands.Length];
        int lineIndex = 0;
        foreach (var kvp in dictionary)
            lines[lineIndex++] = $"{kvp.Key} {kvp.Value}";
        foreach (var cmd in Commands)
            lines[lineIndex++] = cmd;

        return lines;
    }

    public void Merge(Config config)
    {
        if (config.dictionary.Count == 0)
            return;

        foreach (var kvp in config.dictionary)
        {
            if (dictionary.TryGetValue(kvp.Key, out string oldValue))
            {
                if (oldValue == kvp.Value)
                    continue;
                dictionary[kvp.Key] = kvp.Value;
            }
            else
                dictionary.Add(kvp.Key, kvp.Value);
        }
    }
}