using Lagrange.Core.Message;
using Lagrange.Core.Message.Entity;
using RoBot.Start.Global;
using RoBot.Start.LogConfig;
using RoBot.Start.Message;
using System.Globalization;
using System.Text.RegularExpressions;

namespace RoBot.Start.Cmd
{
    /// <summary>
    /// 秘境结束通知
    /// </summary>
    public class MiJingNotify
    {
        public static async Task<bool> Execute(MessageChain chain)
        {
            try
            {
                MarkdownEntity miJingEntity = chain.Where(o => o is MarkdownEntity)
                                                   .Cast<MarkdownEntity>()
                                                   .Where(o => o.Data.Content.Contains("进入秘境"))
                                                   .FirstOrDefault();
                if (miJingEntity is not null)
                {
                    MentionEntity callQQMember = chain.Where(o => o is MentionEntity).Cast<MentionEntity>().FirstOrDefault();
                    if (callQQMember is not null)
                    {
                        string miJingContent = miJingEntity.Data.Content;
                        var minutes = ParseMinutes(miJingContent);
                        if (minutes > 0)
                        {
                            uint qqNumber = callQQMember.Uin;
                            ScheduleReminder(qqNumber, minutes);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                Logs.Write($@"{DateTime.Now:yyyy-MM-dd HH:mm:ss} 秘境结束通知 发生异常，异常信息：{ex.Message}，异常堆栈：{ex.StackTrace}", true);
            }
            return await Task.FromResult(true);
        }

        private static void ScheduleReminder(uint userId, int minutes)
        {
            TimeSpan delay = TimeSpan.FromMinutes(minutes);

            Logs.Write($@"{DateTime.Now:yyyy-MM-dd HH:mm:ss} {userId} 秘境通知  {minutes}分钟");

            _ = Task.Run(async () =>
            {
                await Task.Delay(delay);
                Dto.ConfigDto.ConfigSetting systemConfig = GlobalConfig.ConfigSetting;
                Lagrange.Core.BotContext bot = GlobalConfig.BotContext;
                await bot.SendMentionMsg((uint)systemConfig.GroupQQ, userId, $"秘境结算通知,该结算奖励了！（{minutes} 分钟）");
            });
        }

        private static int ParseMinutes(string content)
        {
            if (string.IsNullOrWhiteSpace(content)) return 0;

            var match = Regex.Match(content, @"花费时间[:：]\s*(\d+(?:\.\d+)?)", RegexOptions.Compiled);
            if (!match.Success)
            {
                match = Regex.Match(content, @"(\d+(?:\.\d+)?)", RegexOptions.Compiled);
            }

            if (match.Success)
            {
                if (double.TryParse(match.Groups[1].Value, NumberStyles.Float, CultureInfo.InvariantCulture, out double val))
                {
                    return (int)Math.Ceiling(val);
                }
            }

            return 0;
        }
    }
}