using NapCatRobotClient.Core.RobotAPI.Dto.Request;

namespace NapCatRobotClient.Service.Group.TextProcess
{
    /// <summary>
    /// 悬赏令
    /// </summary>
    public class WantedPriceProcess
    {
        /// <summary>
        /// 处理群消息
        /// </summary>
        /// <param name="message"></param>
        /// <returns></returns>
        public static async Task<bool> ProcessGroupRequest(string groupId, string message)
        {
            List<WantedTaskInfo> wantedTasks = new();
            JObject json = JObject.Parse(message);
            string groupMsg = JArray.Parse(json["message"].ToString()).FirstOrDefault(o => o["type"].ToString() == "text"
            && !string.IsNullOrWhiteSpace(o["data"]["text"].ToString()) && o["data"]["text"].ToString().Contains("悬赏"))?["data"]?["text"]?.ToString();

            if (string.IsNullOrWhiteSpace(groupMsg)) return false;

            if (groupMsg.Contains("个人悬赏令"))
            {
                wantedTasks = await SingleWanted(groupMsg);
            }
            else if (groupMsg.Contains("天机悬赏令"))
            {
                wantedTasks = await SpecialWanted(groupMsg);
            }
            if (wantedTasks.Count > 0)
            {
                string msg = "";
                List<(int Id, decimal Price)> prices = new();
                foreach (var want in wantedTasks)
                {
                    msg += $"✨悬赏令 {want.Id} 奖励：{want.ExtraReward.Item}\r\n";
                    msg += $"🎁修为：{Utils.FormatNumberToChineseUnit(want.BaseReward)} ({want.SuccessRate})\r\n";
                    var goodsInfo = RedisHelper.Client.HGet<GoodsInfo>(RedisPrefix.GoodsKey, want.ExtraReward.Item);
                    if (goodsInfo is not null)
                    {
                        msg += $"💵坊市价格：{goodsInfo.ShowPriceDesc}\r\n";

                        prices.Add((want.Id, goodsInfo.Price));
                    }
                    //msg += $"炼金价格：\r\n";
                    msg += $"\r\n";
                }
                var maxWanted = wantedTasks.MaxBy(o => o.BaseReward);

                msg += "━━━━━━━━━━━━━━━\r\n";
                msg += $"✨最高修为：悬赏令 {maxWanted.Id} ({Utils.FormatNumberToChineseUnit(maxWanted.BaseReward)})\r\n";
                if (prices.Count > 0)
                {
                    var maxPrice = prices.MaxBy(o => o.Price);
                    msg += $"💰最高价格：悬赏令 {maxPrice.Id} ({Utils.FormatNumberToChineseUnit(maxPrice.Price)})";
                }

                GroupSendMessageRequest request = new()
                {
                    GroupId = groupId,
                    Message = new()
                            {
                                 new MessageItem()
                                 {
                                      Type = "reply",
                                      Data = new()
                                      {
                                           Id = json["message_id"].ToString()
                                      }
                                 },
                                 new MessageItem()
                                 {
                                      Type = "text",
                                      Data = new()
                                      {
                                           Text = msg
                                      }
                                 }
                            }
                };
                await RobotAPI.SendGroupText(request);
            }


            return await Task.FromResult(true);
        }

        /// <summary>
        /// 个人悬赏令
        /// </summary>
        /// <param name="message"></param>
        /// <returns></returns>
        private static async Task<List<WantedTaskInfo>> SingleWanted(string message)
        {
            List<WantedTaskInfo> result = new();

            // 解析任务信息
            var taskRegex = new Regex(
                @"(?<id>\d+)、(?<name>.*?),
                完成几率(?<rate>\d+),
                基础报酬(?<reward>\d+)修为,
                预计需(?<duration>\d+分钟)，
                可能额外获得：(?<grade>[^:：]+):(?<item>[^!！]+)!?",
                RegexOptions.IgnorePatternWhitespace);

            foreach (Match match in taskRegex.Matches(message))
            {
                result.Add(new()
                {
                    Id = int.Parse(match.Groups[1].Value),
                    Name = match.Groups[2].Value.Trim(),
                    SuccessRate = match.Groups[3].Value + "%",
                    BaseReward = long.Parse(match.Groups[4].Value),
                    Duration = match.Groups[5].Value,
                    ExtraReward = new ExtraReward
                    {
                        Grade = match.Groups[6].Value.Trim(),
                        Item = match.Groups[7].Value.Trim()
                    }
                });
            }
            return await Task.FromResult(result);
        }

        /// <summary>
        /// 天机悬赏令
        /// </summary>
        /// <param name="message"></param>
        /// <returns></returns>
        private static async Task<List<WantedTaskInfo>> SpecialWanted(string message)
        {
            List<WantedTaskInfo> result = new();

            var blockRegex = new Regex(
                @"悬赏(?<idCN>[壹贰叁肆伍陆柒捌玖拾])·(?<name>[^\n\r]+)\s+" +
                @".*?成功率：(?<rate>\d+)%\s+" +
                @".*?预计耗时：(?<duration>[\d一二三四五六七八九十]+分钟)\s+" +
                @".*?基础奖励(?<reward>\d+)修为\s+" +
                @".*?额外机缘：(?<grade>[^「」]+)「(?<item>[^」]+)」",
                RegexOptions.Multiline);

            foreach (Match match in blockRegex.Matches(message))
            {
                string idCN = match.Groups["idCN"].Value;
                result.Add(new()
                {
                    Id = ChineseNumberMap.ContainsKey(idCN) ? ChineseNumberMap[idCN] : 0,
                    Name = match.Groups["name"].Value.Trim(),
                    SuccessRate = match.Groups["rate"].Value + "%",
                    Duration = match.Groups["duration"].Value.Trim(),
                    BaseReward = long.Parse(match.Groups["reward"].Value),
                    ExtraReward = new ExtraReward
                    {
                        Grade = match.Groups["grade"].Value.Trim(),
                        Item = match.Groups["item"].Value.Trim()
                    }
                });
            }
            return await Task.FromResult(result);
        }

        private static readonly Dictionary<string, int> ChineseNumberMap = new()
        {
            { "壹", 1 }, { "贰", 2 }, { "叁", 3 }, { "肆", 4 }, { "伍", 5 },
            { "陆", 6 }, { "柒", 7 }, { "捌", 8 }, { "玖", 9 }, { "拾", 10 }
        };
    }
}