using System;
using System.Collections.Concurrent;
using System.Linq;
using System.Threading.Tasks;
using BotFramework;
using BotFramework.Attributes;
using BotFramework.Enums;
using Kruzya.TelegramBot.Core;
using Kruzya.TelegramBot.Core.Data;
using Kruzya.TelegramBot.Core.Extensions;
using Kruzya.TelegramBot.Core.Service;
using Telegram.Bot;

namespace West.Entertainment.Handler;

public class Guess : CommonHandler
{
    private readonly IGuessCache _guessCache;
    private readonly ThreadSafeRandom _rng;
    private readonly IReputation _reputationService;
    private readonly CoreContext _db;

    public Guess(IGuessCache guessCache, ThreadSafeRandom rng, IReputation reputationService, CoreContext db) : base(db)
    {
        _guessCache = guessCache;
        _rng = rng;
        _reputationService = reputationService;
        _db = db;
    }

    [Command(InChat.Public, "guess", CommandParseMode.Both)]
    public async Task HandleGuess()
    {
        var guessDict = _guessCache.GetOr(Chat.Id, new ConcurrentDictionary<int, GuessData>());

        var cooldownOption = await _db.UserValues.FindOrCreateOption(Chat.Id, From.Id, "guessCooldown");
        var cooldown = cooldownOption.GetValue<DateTime>();
        if (cooldown > DateTime.Now)
        {
            await Reply($"Следующее использование через {cooldown - DateTime.Now:hh\\:mm\\:ss}.");
            return;
        }

        var doesExist = guessDict.Any(pair => pair.Value.UserId == From.Id);
        if (doesExist)
        {
            await Bot.SendTextMessageAsync(Chat, "Вы уже запустили игру.");
            return;
        }

        var messageId = RawUpdate.Message!.MessageId;
        var guessedNumber = _rng.Next(1, 4);
        Console.WriteLine(guessedNumber);
        var guessData = new GuessData
        {
            Number = guessedNumber,
            UserId = From.Id
        };
        
        var message = await Bot.SendTextMessageAsync(Chat.Id, "Выберите число от 1 до 3.", replyToMessageId: messageId);
        if (!guessDict.TryAdd(message.MessageId, guessData))
        {
            return;
        }
        _guessCache.SetValue(Chat.Id, guessDict, -1);
    }

    [Message(InChat.Public, MessageFlag.IsReply)]
    public async Task HandleGuessResponse()
    {
        var guessDict = _guessCache.GetOr(Chat.Id, new ConcurrentDictionary<int, GuessData>());
        var messageId = RawUpdate.Message!.ReplyToMessage!.MessageId;
        if (!guessDict.TryGetValue(messageId, out var data))
        {
            return;
        }

        if (From.Id != data.UserId)
        {
            return;
        }

        if (!int.TryParse(RawUpdate.Message!.Text, out var responseNumber))
        {
            return;
        }

        guessDict.TryRemove(messageId, out _);
        _guessCache.SetValue(Chat.Id, guessDict, -1);

        var nextUse = DateTime.Now.AddHours(1);
        var postFix = $"\nСледующая попытка через: {nextUse - DateTime.Now:hh\\:mm\\:ss}";
        
        string message;
        if (responseNumber == data.Number)
        {
            await _reputationService.IncrementReputationAsync(Chat, From, 20);
            message = "Вы угадали! Вам начислено 20 кармы.";
        }
        else
        {
            message = "Вы не угадали!";
        }

        await Bot.SendTextMessageAsync(Chat, message + postFix);

        var cooldownOption = await _db.UserValues.FindOrCreateOption(Chat.Id, From.Id, "guessCooldown");
        cooldownOption.SetValue(nextUse);
        
        _db.AddOrUpdate(cooldownOption);
    }
}