using System;
using System.Collections.Generic;
using System.Linq;
using System.Xml;
using Newtonsoft.Json;
using Repository.Models;
using Newtonsoft.Json.Linq;
using System.IO;
using System.Net;
using System.Text;
using System.Xml.Linq;
using Repository.BackendRepository.Implement;
using Repository.BackendRepository;
using Ubiety.Dns.Core;
using System.Diagnostics;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Repository.Models.CodeBeautify;
using NPOI.SS.Formula.Functions;

namespace Backend.Services.Implement
{
    public class webRequestService
    {
        public List<Device_value> obixQuery(string urlString, string bql, string tag_quantity)
        {
            List<Device_value> result = new List<Device_value>();
            //String username = "obixUser";
            //String password = "Admin123456";
            String username = "stanGG";
            String password = "St12345678";
            String encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(username + ":" + password));
            String API_Url = urlString;


            HttpWebRequest Postrequest = (HttpWebRequest)WebRequest.Create(API_Url);
            Postrequest.Method = "POST";
            Postrequest.Headers.Add("Authorization", "Basic " + encoded);
            Postrequest.PreAuthenticate = true;

            using (var streamWriter = new StreamWriter(Postrequest.GetRequestStream()))
            {
                string json = "<str val='" + bql + "'/>";

                streamWriter.Write(json);
            }
            HttpWebResponse response = (HttpWebResponse)Postrequest.GetResponse();
            var responseString = new StreamReader(response.GetResponseStream()).ReadToEnd();

            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.LoadXml(responseString);
            //xmlDoc.Load("N4v1021.xml");//N4v1021

            //xmlDoc.Save("N4.xml");

            string jsonText = JsonConvert.SerializeXmlNode(xmlDoc);
            var data = Welcome.FromJson(jsonText);

            foreach (var item in data.Obj.Str)
            {
                Device_value row = new Device_value();
                row.value = item.Val;
                string[] s1 = item.Val.Split(',');

                string[] s2 = s1[0].Remove(s1[0].Length - 1, 1).Remove(0, 1).Split('/');

                string displayName = s1[1].Split('=')[1];
                row.tag_name = "";
                if (int.Parse(tag_quantity) == 8)
                {
                    if (s2.Length == 8)
                    {
                        for (int i = 0; i < s2.Length; i++)
                        {
                            if (i == s2.Length - 2)
                            {
                                row.point_name = s2[i];
                            }
                        
                            if (i == 0)
                            {
                                row.tag_name += s2[i];
                            }
                            else
                            {
                                row.tag_name += "_" + s2[i];
                            }
                        } 
                        row.displayName = displayName;
                        result.Add(row);
                    }
                }
                else {
                    if (s2.Length >=5)
                    {
                        // tag 在最後一段： Arena/D2/B/B2F/EL/D2_B_B2F_EL_424/
                        var lastStr = s2[s2.Length-1].Split('_');

                        if (lastStr.Length > 3)
                        {
                            row.tag_name = s2[s2.Length-1];
                        }
                        else
                        { // tag 需要串接前幾段：Arena/D2/B/B2F/EL/  
                          // 這種的不需要匯入
                            //for (int i = 0; i < s2.Length; i++)
                            //{
                            //    if (i == 0)
                            //    {
                            //        row.tag_name += s2[i];
                            //    }
                            //    else
                            //    {
                            //        row.tag_name += "_" + s2[i];
                            //    }
                            //}
                        }

                        row.displayName = displayName;
                        result.Add(row);
                    }
                } 
            }

            return result;
        }

        /// <summary>
        /// 獲取 niagara history 中的點位
        /// </summary>
        /// <param name="bqlUrlString"></param>
        /// <param name="urlString"></param>
        /// <param name="slot"></param>
        /// <returns></returns>
        public List<ImpNiaItem> obixHisQuery(string bqlUrlString, string urlString, string slot)
        {
            //String username = "obixUser";
            //String password = "Admin123456";
            String username = "stanGG";
            String password = "St12345678";
            String encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(username + ":" + password));

            #region get control point data
            List<control_point> conPoint = new List<control_point>();
            String cp_API_Url = bqlUrlString;

            HttpWebRequest cp_Postrequest = (HttpWebRequest)WebRequest.Create(cp_API_Url);
            cp_Postrequest.Method = "POST";
            cp_Postrequest.Headers.Add("Authorization", "Basic " + encoded);
            cp_Postrequest.PreAuthenticate = true;

            using (var streamWriter = new StreamWriter(cp_Postrequest.GetRequestStream()))
            {
                string json = "<str val='" + slot + "bql: select * from control:ControlPoint'/>";

                streamWriter.Write(json);
            }
            HttpWebResponse cp_response = (HttpWebResponse)cp_Postrequest.GetResponse();
            var cp_responseString = new StreamReader(cp_response.GetResponseStream()).ReadToEnd();

            XmlDocument cp_xmlDoc = new XmlDocument();
            cp_xmlDoc.LoadXml(cp_responseString);

            string cp_jsonText = JsonConvert.SerializeXmlNode(cp_xmlDoc);
            var cp_data = Welcome.FromJson(cp_jsonText);

            foreach (var item in cp_data.Obj.Str)
            {
                control_point row = new control_point();
                string[] s1 = item.Val.Split(',');

                string[] s2 = s1[0].Split('/');
                var displayName = s1[1].Split('=')[1];

                row.name = s1[0].Replace('/', '_').Remove(s1[0].Length - 1, 1).Remove(0, 1);
                row.displayName = displayName;

                conPoint.Add(row);
            }
            #endregion

            #region main program
            List<ImpNiaItem> result = new List<ImpNiaItem>();
            String API_Url = urlString;

            HttpWebRequest Postrequest = (HttpWebRequest)WebRequest.Create(API_Url);
            Postrequest.Method = "GET";
            Postrequest.Headers.Add("Authorization", "Basic " + encoded);
            Postrequest.PreAuthenticate = true;

            HttpWebResponse response = (HttpWebResponse)Postrequest.GetResponse();
            var responseString = new StreamReader(response.GetResponseStream()).ReadToEnd();

            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.LoadXml(responseString);

            //ref https://stackoverflow.com/questions/642293/how-do-i-read-and-parse-an-xml-file-in-c
            foreach (XmlNode node in xmlDoc.DocumentElement.ChildNodes)
            {
                string stationName = node.Attributes["name"].InnerText; // WSP_Supervisor
                String API_Url2 = urlString + "/" + stationName; // http://192.168.0.136:8081/obix/histories/WSP_Supervisor

                HttpWebRequest Postrequest2 = (HttpWebRequest)WebRequest.Create(API_Url2);
                Postrequest2.Method = "GET";
                Postrequest2.Headers.Add("Authorization", "Basic " + encoded);
                Postrequest2.PreAuthenticate = true;

                HttpWebResponse response2 = (HttpWebResponse)Postrequest2.GetResponse();
                var responseString2 = new StreamReader(response2.GetResponseStream()).ReadToEnd();

                XmlDocument xmlDoc2 = new XmlDocument();
                xmlDoc2.LoadXml(responseString2);

                foreach (XmlNode node2 in xmlDoc2.DocumentElement.ChildNodes)
                {
                    string tagName = node2.Attributes["name"].InnerText;
                    if (tagName.Split('_').Length == 9)
                    {
                        ImpNiaItem row = new ImpNiaItem();
                        row.device_area_tag = tagName.Split('_')[0];
                        row.device_building_tag = tagName.Split('_')[1];
                        row.device_system_tag = tagName.Split('_')[2];
                        row.device_name_tag = tagName.Split('_')[3];
                        row.device_point_name = tagName.Split('_')[8];
                        row.parent_path = stationName;

                        //full_name 其實是點位名稱 point_name 
                        row.full_name = conPoint.Where(x => x.name == tagName).Select(x => x.displayName).FirstOrDefault();

                        result.Add(row);

                    } else if (tagName.Split('_').Length == 6) 
                    { //巨蛋 tag 5 段版本
                        ImpNiaItem row = new ImpNiaItem();
                        row.device_building_tag = tagName.Split('_')[0];
                        row.device_system_tag = tagName.Split('_')[1];
                        row.device_floor_tag = tagName.Split('_')[4];
                        row.device_name_tag = tagName.Split('_')[3];
                        row.device_point_name = tagName.Split('_')[5];
                        row.parent_path = stationName;

                        //full_name 其實是點位名稱 point_name 
                        row.full_name = conPoint.Where(x => x.name == tagName).Select(x => x.displayName).FirstOrDefault();
                        result.Add(row);
                    }
                } 
            }

            #endregion

            return result;
        }
        //private static void getRefData(string urlString, string encoded, List<control_point> conPoint, List<ImpNiaItem> result, Welcome data ) //obixHistory data
        //{
        //    foreach (var item in data.Obj.Ref)
        //    {
        //        //var item = data.Obj.Ref;
        //        String API_Url2 = urlString + "/" + item.Name;

        //        HttpWebRequest Postrequest2 = (HttpWebRequest)WebRequest.Create(API_Url2);
        //        Postrequest2.Method = "GET";
        //        Postrequest2.Headers.Add("Authorization", "Basic " + encoded);
        //        Postrequest2.PreAuthenticate = true;

        //        HttpWebResponse response2 = (HttpWebResponse)Postrequest2.GetResponse();
        //        var responseString2 = new StreamReader(response2.GetResponseStream()).ReadToEnd();

        //        XmlDocument xmlDoc2 = new XmlDocument();
        //        xmlDoc2.LoadXml(responseString2);

        //        string jsonText2 = JsonConvert.SerializeXmlNode(xmlDoc2);
        //        var data2 = Welcome.FromJson(jsonText2);

        //        foreach (var item2 in data2.Obj.Ref)
        //        {
        //            if (item2.Name.Split('_').Length == 9)
        //            {
        //                ImpNiaItem row = new ImpNiaItem();
        //                row.device_area_tag = item2.Name.Split('_')[0];
        //                row.device_building_tag = item2.Name.Split('_')[1];
        //                row.device_system_tag = item2.Name.Split('_')[2];
        //                row.device_name_tag = item2.Name.Split('_')[3];
        //                row.device_point_name = item2.Name.Split('_')[8];
        //                row.parent_path = item.Name;

        //                //full_name 其實是點位名稱 point_name 
        //                row.full_name = conPoint.Where(x => x.name == item2.Name).Select(x => x.displayName).FirstOrDefault();

        //                result.Add(row);
        //            }
        //        }
        //    }
        //}

        //private static void getRefData(string urlString, string encoded, List<control_point> conPoint, List<ImpNiaItem> result, Welcome4 data)
        //{
        //    foreach (var item in data.Obj.Ref)
        //    {
        //        String API_Url2 = urlString + "/" + item.Name;

        //        HttpWebRequest Postrequest2 = (HttpWebRequest)WebRequest.Create(API_Url2);
        //        Postrequest2.Method = "GET";
        //        Postrequest2.Headers.Add("Authorization", "Basic " + encoded);
        //        Postrequest2.PreAuthenticate = true;

        //        HttpWebResponse response2 = (HttpWebResponse)Postrequest2.GetResponse();
        //        var responseString2 = new StreamReader(response2.GetResponseStream()).ReadToEnd();

        //        XmlDocument xmlDoc2 = new XmlDocument();
        //        xmlDoc2.LoadXml(responseString2);

        //        string jsonText2 = JsonConvert.SerializeXmlNode(xmlDoc2);
        //        var data2 = Welcome.FromJson(jsonText2);

        //        foreach (var item2 in data2.Obj.Ref)
        //        {
        //            if (item2.Name.Split('_').Length == 9)
        //            {
        //                ImpNiaItem row = new ImpNiaItem();
        //                row.device_area_tag = item2.Name.Split('_')[0];
        //                row.device_building_tag = item2.Name.Split('_')[1];
        //                row.device_system_tag = item2.Name.Split('_')[2];
        //                row.device_name_tag = item2.Name.Split('_')[3];
        //                row.device_point_name = item2.Name.Split('_')[8];
        //                row.parent_path = item.Name;

        //                //full_name 其實是點位名稱 point_name 
        //                row.full_name = conPoint.Where(x => x.name == item2.Name).Select(x => x.displayName).FirstOrDefault();

        //                result.Add(row);
        //            }
        //        }
        //    }
        //}

        //public void getObix()
        //{
        //    //#region 取得obix 設定
        //    //var obixApiConfig = new ObixApiConfig();

        //    //var sqlObix = $@"SELECT system_value as Value, system_key as Name FROM variable WHERE deleted = 0 AND system_type = 'obixConfig'";

        //    //var variableObix = await backgroundServiceRepository.GetAllAsync<KeyValue>(sqlObix);
        //    //obixApiConfig.ApiBase = variableObix.Where(x => x.Name == "ApiBase").Select(x => x.Value).FirstOrDefault();
        //    //obixApiConfig.UserName = ed.AESDecrypt(variableObix.Where(x => x.Name == "UserName").Select(x => x.Value).FirstOrDefault());
        //    //obixApiConfig.Password = ed.AESDecrypt(variableObix.Where(x => x.Name == "Password").Select(x => x.Value).FirstOrDefault());

        //    //String encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(obixApiConfig.UserName + ":" + obixApiConfig.Password));
        //    //#endregion 取得obix 設定


        //    HttpWebRequest archiveMonthRequest = (HttpWebRequest)WebRequest.Create($"{obixApiConfig.ApiBase}obix/histories/FIC_Center/{deviceNumberPoint.FullDeviceNumberPoint}/~historyRollup/");
        //    //HttpWebRequest archiveMonthRequest = (HttpWebRequest)WebRequest.Create($"{obixApiConfig.ApiBase}obix/histories/FIC_Center/H_E1_B1F_MVCB_MVCBH_V1/~historyRollup/");
        //    archiveMonthRequest.Method = "POST";
        //    archiveMonthRequest.Headers.Add("Authorization", "Basic " + encoded);
        //    archiveMonthRequest.PreAuthenticate = true;

        //    byte[] byteArray = Encoding.UTF8.GetBytes(historyQueryFilter);
        //    using (Stream reqStream = archiveMonthRequest.GetRequestStream())
        //    {
        //        reqStream.Write(byteArray, 0, byteArray.Length);
        //    }

        //    HttpWebResponse archiveMonthResponse = (HttpWebResponse)archiveMonthRequest.GetResponse();
        //    var archiveMonthResponseContent = new StreamReader(archiveMonthResponse.GetResponseStream()).ReadToEnd();

        //    xmlDocument.LoadXml(archiveMonthResponseContent);
        //    string archiveMonthJson = JsonConvert.SerializeXmlNode(xmlDocument);
        //    JObject archiveMonthJsonResult = (JObject)JsonConvert.DeserializeObject(archiveMonthJson);

        //    if (archiveMonthJsonResult.ContainsKey("err")) //抓取錯誤
        //    {
        //        //logger.LogError("【ArchiveElectricMeterDayJob】【月歸檔】【取得資料失敗】");
        //        //logger.LogError("【ArchiveElectricMeterDayJob】【月歸檔】【取得資料失敗】[錯誤內容]：{0}", archiveMonthJsonResult);

        //        Dictionary<string, object> archiveMonthRawData = new Dictionary<string, object>();
        //        archiveMonthRawData.Add("@device_number", deviceNumberPoint.DeviceNumber);
        //        archiveMonthRawData.Add("@point", deviceNumberPoint.Point);
        //        archiveMonthRawData.Add("@start_timestamp", startTimestamp.Replace("T", " ").Substring(0, 19));
        //        archiveMonthRawData.Add("@end_timestamp", endTimestamp.Replace("T", " ").Substring(0, 19));
        //        archiveMonthRawData.Add("@is_complete", 0);
        //        archiveMonthRawData.Add("@repeat_times", 0);
        //        archiveMonthRawData.Add("@fail_reason", archiveMonthJson);

        //        archiveMonthRawData.Add("@count_rawdata", 0);
        //        archiveMonthRawData.Add("@min_rawdata", 0);
        //        archiveMonthRawData.Add("@max_rawdata", 0);
        //        archiveMonthRawData.Add("@avg_rawdata", 0);
        //        archiveMonthRawData.Add("@sum_rawdata", 0);
        //        archiveMonthRawData.Add("@updated_at", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));

        //        archiveMonthRawDatas.Add(archiveMonthRawData);
        //    }

        //    if (archiveMonthJsonResult.ContainsKey("obj")) //表示可以讀取到內容
        //    {
        //        var ArrangeRawDatas = ArrangeRawData(deviceNumberPoint, archiveMonthJsonResult);
        //        if (ArrangeRawDatas != null && ArrangeRawDatas.Count() > 0)
        //        {
        //            archiveMonthRawDatas.AddRange(ArrangeRawDatas);
        //        }
        //    }
        //}
    }
}