//using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using NPOI.HSSF.UserModel;
using StackExchange.Redis;
using Newtonsoft.Json.Linq;

namespace StatisticsTransfer.tongji
{
    internal class ReportedLogs
    {

        const int OneTransMaxItem = 1000;
        /// <summary>
        /// 导出客户端埋点日志
        /// </summary>
        public static void TransLog()
        {

            var workbook = new HSSFWorkbook();
            var mem = Redis.Ins.GetDatabase(0);

            MemKey_Statistics.ReportedLogs().ForEach(k =>
            {

                var sheet = workbook.CreateSheet(GetSheetName(k));                // 创建工作表            
                var rowInfo = mem.ListRange(k, 0, 0);
                if (rowInfo.Length > 0)
                {
                    var strJS = rowInfo[0].ToString() ?? "{}";
                    Console.WriteLine(strJS);
                    var json = JObject.Parse(strJS);
                    int i = 0, y = 0;
                    var head_row = sheet.CreateRow(y++);                            // 标题行   
                    foreach (var kv in json)
                    {
                        head_row.CreateCell(i++).SetCellValue(kv.Key);              // 设置标题
                    }
                    var start = 0L;
                    var end = 0L;
                    while (mem.ListLength(k) > 0 && end < mem.ListLength(k))
                    {
                        if (OneTransMaxItem < mem.ListLength(k) - start)
                        {
                            end = start + OneTransMaxItem - 1;
                        }
                        else
                        {
                            end = mem.ListLength(k);
                        }

                        var arr = mem.ListRange(k, start, end);
                        arr.ToList().ForEach(x =>
                        {
                            var row = sheet.CreateRow(y++);
                            var strJS = x.ToString() ?? "{}";
                            var json = JObject.Parse(strJS);
                            i = 0;                                                 // 重置索引
                            foreach (var kv in json)
                            {
                                var v = kv.Value?.ToString() ?? "-";
                                row.CreateCell(i++).SetCellValue(v);               // 设置列值 
                            }

                        });
                        start = end;
                        //  mem.ListTrim(k, OneTransMaxItem - 1, mem.ListLength(k) - OneTransMaxItem); // 清除已导数据
                    }
                }
                 
            });                                                                   // 遍历日志

            OutPut(workbook);                                                     // 保存到文件
            Console.WriteLine("客户端埋点日志转存完毕!");
        }
        /// <summary>
        /// 将excel写入文件
        /// </summary>
        /// <param name="workbook"></param>
        private static void OutPut(HSSFWorkbook workbook)
        {

            string txtName = "客户端埋点上报日志表_" + DateTime.Now.ToString("yyyyMMdd");

            string filename = Config.Ins.OutDir + txtName + ".xls";
            if (File.Exists(filename))
            {
                File.Delete(filename);
            }
            using var file = new FileStream(filename, FileMode.CreateNew, FileAccess.Write);
            workbook.Write(file);

        }
        /// <summary>
        /// redis中的key到 中文工作表名称的映射
        /// </summary>
        /// <param name="k"></param>
        /// <returns></returns>
        private static string GetSheetName(string k) => k switch
        {
            "stat-reported-log-e_gate" => "关卡记录",
            "stat-reported-log-e_task" => "任务记录",
            "stat-reported-log-e_k_1" => "资源更新完毕",
            "stat-reported-log-e_k_2" => "手机号注册完毕(龙游)",
            "stat-reported-log-e_k_3" => "实名认证完毕(龙游)",
            "stat-reported-log-e_k_4" => "用户登录完成(已加载对应区的玩家数据)",
            "stat-reported-log-e_k_5" => "进入新手引导场景",
            "stat-reported-log-e_k_6" => "离开新手引导场景",
            "stat-reported-log-e_k_7" => "接取了第一个主线剧情(任务)",
            "stat-reported-log-e_k_8" => "e_k_8-不知道",
            "stat-reported-log-e_k_9" => "e_k_9-不知道",
            _ => "-"                                                           // 默认值
        };


    }
}