using System;
using System.Collections.Generic;
using Newtonsoft.Json;
using Oxide.Core;
using UnityEngine;

namespace Oxide.Plugins;
[Info("Wipe Greeter", "Michael Keulemans", "1.0.0")]
[Description("Greets each player once, on their first join after a wipe.")]
public class WipeGreeter : RustPlugin
{
    private ConfigData _config;
    private HashSet<ulong> _greeted;

    private class ConfigData
    {
        [JsonProperty("Message")] public string Message = "Fresh wipe! Welcome back {name}. Map size {size}, seed {seed}.";
    }

    protected override void LoadDefaultConfig() => _config = new ConfigData();

    protected override void LoadConfig()
    {
        base.LoadConfig();
        try { _config = Config.ReadObject<ConfigData>() ?? new ConfigData(); }
        catch (Exception ex)
        {
            Debug.LogException(ex);
            _config = new ConfigData();
        }
    }

    protected override void SaveConfig() => Config.WriteObject(_config, true);

    private void Init() => _greeted = Interface.Oxide.DataFileSystem.ReadObject<HashSet<ulong>>(Name) ?? new HashSet<ulong>();

    private void OnNewSave(string filename)
    {
        _greeted = new HashSet<ulong>();
        Interface.Oxide.DataFileSystem.WriteObject(Name, _greeted);
    }

    private void OnPlayerConnected(BasePlayer player)
    {
        if (!_greeted.Add((ulong)player.userID)) return;
        Interface.Oxide.DataFileSystem.WriteObject(Name, _greeted);
        var text = _config.Message.Replace("{name}", player.displayName);
        text = text.Replace("{size}", World.Size.ToString());
        text = text.Replace("{seed}", World.Seed.ToString());
        PrintToChat(player, text);
    }
}