using System.Text.RegularExpressions;
using Lagrange.Core.Message;
using Lagrange.Core.Message.Entity;
using RoBot.Core;
using RoBot.Core.ConstValue;
using RoBot.Core.Helper;
using RoBot.Start.Global;
using RoBot.Start.Message;
using RoBot.Start.Service.Dto;

namespace RoBot.Start.Cmd
{
    /// <summary>
    /// 坊市上架命令
    /// </summary>
    public class QueryGoodsUpShopPriceCmd
    {

        public static async Task<bool> Execute(MessageChain chain)
        {
            var systemConfig = GlobalConfig.ConfigSetting;
            if (chain.Count == 3 &&
                chain.FirstOrDefault(e => e is ForwardEntity) is ForwardEntity forward &&
                chain.FirstOrDefault(e => e is MentionEntity) is MentionEntity mention &&
                chain.FirstOrDefault(e => e is TextEntity) is TextEntity text)
            {
                if (forward.TargetUin == (uint)systemConfig.XiaoXiaoQQ && mention.Uin == (uint)systemConfig.BotQQ && (text.Text.Contains("查上架") || text.Text.Contains("查价格")))
                {

                    var list = forward.Chain.Where(o => o is TextEntity);
                    if (!list.Any()) return false;

                    List<TextEntity> convertList = list.Cast<TextEntity>().ToList();
                    convertList = convertList.Where(o => string.IsNullOrWhiteSpace(o.Text) is false)
                                                                               .ToList();
                    if (convertList.Count > 0)
                    {
                        string desc = convertList[0].Text;

                        if (desc.Contains("拥有药材") || (desc.Contains("名字") && desc.Contains("拥有数量")))
                        {
                            _ = Herbal(desc);
                        }
                    }
                }
            }

            return await Task.FromResult(true);
        }

        /// <summary>
        /// 计算药材
        /// </summary>
        /// <returns></returns>
        private static async Task<bool> Herbal(string text)
        {
            List<GoodsInfo> results = [];

            string currentGrade = "";
            var lines = text.Split(new[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
            foreach (var line in lines)
            {
                if (line.StartsWith("品级："))
                {
                    currentGrade = line.Substring("品级：".Length).Trim();
                }
                else if (line.StartsWith("名字："))
                {
                    var name = line.Substring("名字：".Length).Trim();
                    // 找到下一行的数量
                    var index = Array.IndexOf(lines, line);
                    if (index + 1 < lines.Length && lines[index + 1].StartsWith("拥有数量:"))
                    {
                        var quantityLine = lines[index + 1];
                        var match = Regex.Match(quantityLine, @"拥有数量:(\d+)");
                        if (match.Success)
                        {
                            var quantity = match.Groups[1].Value;
                            results.Add(new() { Name = name, Num = Convert.ToInt32(quantity) });
                        }
                    }
                }
            }

            string msg = "";
            decimal totalPrice = 0;
            decimal fee = 0;
            // 打印结果
            foreach (var item in results)
            {
                var current = RedisHelper.Client.HGet<GoodsInfo>(RedisPrefix.GoodsKey, item.Name);
                if (current is not null)
                {
                    int num = item.Num.Value > 10 ? 10 : item.Num.Value;
                    decimal nicePrice = current.Price - 100000;
                    totalPrice += Convert.ToDecimal(nicePrice * num);

                    fee += Math.Round(Utils.CalculateFee(nicePrice) * num, 0);

                    msg += $"确认坊市上架{item.Name} {(int)current.Price - 100000} {num}\n";
                }
            }
            if (string.IsNullOrWhiteSpace(msg) is false)
            {
                msg += "\r\n";
                msg += "使用前请先@小小查看坊市药材,过完一遍以获取最新价格\r\n当前价格为坊市价格-10w\r\n";
                msg += $"总价值约：{Utils.FormatNumberToChineseUnit(totalPrice)}\r\n";
                msg += $"手续费约：{Utils.FormatNumberToChineseUnit(fee)}\r\n";
                msg += $"到账约：{Utils.FormatNumberToChineseUnit(totalPrice - fee)}";
                var systemConfig = GlobalConfig.ConfigSetting;
                var bot = GlobalConfig.BotContext;
                await bot.SendMsg((uint)systemConfig.GroupQQ, msg);
            }

            return await Task.FromResult(true);
        }
    }
}