#nullable enable

using System.Text.RegularExpressions;
using System.Threading.Tasks;
using BotFramework.Attributes;
using BotFramework.Enums;
using Castle.Core.Internal;
using Kruzya.TelegramBot.Core.Data;
using Kruzya.TelegramBot.Core.Extensions;
using Telegram.Bot;
using West.TelegramBot.ChatManagement.Handler;

namespace West.Entertainment.Handler.Fun
{
    public abstract class AbstractAnimationReply : ManagementHandler
    {
        protected abstract Regex AnimationMatch
        {
            get;
        }
        
        protected abstract string GetAnimationName();
        
        protected virtual bool CanHandle() => true;
        
        protected async Task HandleSetAnimation()
        {
            var animation = Message?.ReplyToMessage?.Animation;
            if (await CanPunish() || animation == null) return;

            var animationFileOption = await GetAnimationFileOption();
            animationFileOption.SetValue(animation.FileId);
            Db.MarkAsModified(animationFileOption);
        }

        [Message(InChat.Public, MessageFlag.HasText)]
        protected virtual async Task<bool> HandleAnimation(int? replyToMessageId = null)
        {
            var animationFileId = (await GetAnimationFileOption()).GetValue(string.Empty);
            if (animationFileId.IsNullOrEmpty() || !AnimationMatch.IsMatch(Message!.Text!) || !CanHandle()) return false;
            

            await Bot.SendAnimationAsync(Chat.Id, animationFileId, 
                replyToMessageId: replyToMessageId ?? Message?.MessageId);
            return true;
        }
        
        private async Task<BotUserValue> GetAnimationFileOption()
        {
            return await Db.UserValues.FindOrCreateOption(Chat.Id, $"{GetAnimationName()}File");
        }

        protected AbstractAnimationReply(CoreContext db) : base(db) {}
    }
}