using FrontendWebApi.Models;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Repository.BackendRepository.Interface;
using Repository.FrontendRepository.Interface;
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace FrontendWebApi.ApiControllers
{
    public class DeviceManageController : MyBaseApiController<DeviceManageController>
    {
        private readonly IBackendRepository backendRepository;
        private readonly IFrontendRepository frontendRepository;

        public DeviceManageController
        (
            IBackendRepository backendRepository,
            IFrontendRepository frontendRepository
        )
        {
            this.backendRepository = backendRepository;
            this.frontendRepository = frontendRepository;
        }


        [HttpPost]
        [Route("api/Device/GetDeviceList")]
        public async Task<ActionResult<ApiResult<List<Device>>>> GetDeviceList()
        {
            ApiResult<List<Building>> apiResult = new ApiResult<List<Building>>(jwt_str);
            if (!jwtlife)
            {
                apiResult.Code = "5000";
                return BadRequest(apiResult);
            }
            try
            {
                List<Building> buildingMenus = new List<Building>();
                var buildmenusql = await backendRepository.GetAllAsync<BuildMenuSql>(@$"select 
                me.* , b.full_name bfull_name,b.ip_address,b.priority bpriority,
                ma.full_name mafull_name,ma.priority mapriority,ma.code,
                sub.full_name subfull_name,sub.priority subpriority
                from building_menu me
                left join building b on b.building_guid = me.building_guid 
                left join main_system ma on ma.main_system_guid = me.main_system_guid
                left join sub_system sub on sub.sub_system_guid = me.sub_system_guid");

                var floorsql = await backendRepository.GetAllAsync<Floorsql>(@"
                select * from (select * from sub_system_floor ssf where ssf.deleted = 0 and ssf.status = 0) a
                left join floor on floor.floor_guid = a.floor_guid");

                var building = buildmenusql.GroupBy(a => a.building_guid).ToList();
                foreach (var menu in building)
                {
                    Building building1 = new Building()
                    {
                        building_guid = menu.Select(a => a.building_guid).FirstOrDefault(),
                        full_name = menu.Select(a => a.bfull_name).FirstOrDefault(),
                        ip_address = menu.Select(a => a.ip_address).FirstOrDefault(),
                        priority = menu.Select(a => a.bpriority).FirstOrDefault(),
                        main_system = new List<Main_system>()
                    };
                    var mainsystem = menu.GroupBy(a => a.main_system_guid).ToList();
                    foreach (var ma in mainsystem)
                    {
                        Main_system main_System = new Main_system()
                        {
                            code = ma.Select(a => a.code).FirstOrDefault(),
                            main_system_guid = ma.Select(a => a.main_system_guid).FirstOrDefault(),
                            full_name = ma.Select(a => a.mafull_name).FirstOrDefault(),
                            priority = ma.Select(a => a.mapriority).FirstOrDefault(),
                            Sub_system = new List<Sub_systemGuid>()
                        };
                        var subsystem = ma.GroupBy(a => a.sub_system_guid).ToList();
                        foreach (var sub in subsystem)
                        {
                            Sub_systemGuid sub_System = new Sub_systemGuid()
                            {
                                sub_system_guid = sub.Select(a => a.sub_system_guid).FirstOrDefault(),
                                full_name = sub.Select(a => a.subfull_name).FirstOrDefault(),
                                priority = sub.Select(a => a.subpriority).FirstOrDefault()
                            };
                            main_System.Sub_system.Add(sub_System);
                        }
                        building1.main_system.Add(main_System);
                    }
                    buildingMenus.Add(building1);
                }
                apiResult.Data = buildingMenus;
                apiResult.Code = "0000";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
                return Ok(apiResult);
            }
            return Ok(apiResult);
        }

        [HttpPost]
        [Route("api/Device/GetOneDevice")]
        public async Task<ActionResult<ApiResult<Device>>> GetOneDevice(string device_number)
        {
            ApiResult<Device> apiResult = new ApiResult<Device>(jwt_str);
            if (!jwtlife)
            {
                apiResult.Code = "5000";
                return BadRequest(apiResult);
            }
            try
            {
                string sql = $@"SELECT 
                                        d.*,
                                        d.full_name AS Device_full_name,
                                        b.full_name AS Building_full_name,
                                        ms.full_name AS Main_system_full_name,
                                        ss.full_name AS Sub_system_full_name,
                                        f.full_name AS Floor_full_name
                                        FROM (
                                            SELECT *
                                            FROM device d
                                            WHERE 
                                                    d.device_number = @Device_number
                                                AND d.deleted = @Deleted
                                        ) d
                                        JOIN building b ON d.building_guid = b.building_guid
                                        JOIN main_system ms ON d.main_system_guid = ms.main_system_guid
                                        JOIN sub_system ss ON d.sub_system_guid = ss.sub_system_guid
                                        JOIN floor f ON d.floor_guid = f.floor_guid
                                        ";

                object param = new { Deleted = 0, Device_number = device_number };

                var device = await backendRepository.GetOneAsync<Device>(sql, param);

                apiResult.Data = device;
                apiResult.Code = "0000";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
                return Ok(apiResult);
            }
            return Ok(apiResult);
        }

        /// <summary>
        /// 取得L型選單的alarm的報警設備
        /// 由原本的obix打API方式改為此action
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [Route("api/Device/MenuAlarm")]
        public async Task<ActionResult<ApiResult<List<OntimeAlarmRawData>>>> MenuAlarm(string account)
        {
            ApiResult<List<OntimeAlarmRawData>> apiResult = new ApiResult<List<OntimeAlarmRawData>>(jwt_str);
            if (!jwtlife)
            {
                apiResult.Code = "5000";
                return BadRequest(apiResult);
            }
            try
            {
                //取得發生異常的設備
                string sql = $@"
                                SELECT 
                                    unicode_decode(value) device_point
                                FROM alarmorion_orionalarmrecord a 
                                JOIN alarmorion_orionalarmfacetvalue b on a.id = b.alarm
                                WHERE a.sourceState = 1 and b.facetName = 9";

                var alarmDevicePoints = await frontendRepository.GetAllAsync<string>(sql);

                List<string> alarmDevices = new List<string>();
                foreach (var alarmDevicePoint in alarmDevicePoints)
                {
                    var alarmDevicePointSplit = alarmDevicePoint.Split("_");

                    var alarmDevice = string.Join("_", alarmDevicePointSplit.SkipLast(1));

                    if (!alarmDevices.Contains(alarmDevice))
                    {
                        alarmDevices.Add(alarmDevice);
                    }
                }

                var sqlDevice = $@"
                                SELECT
                                    d.building_guid,
                                    d.main_system_guid,
                                    d.sub_system_guid,
                                    d.floor_guid,
                                    d.device_number
                                FROM Device d
                                INNER JOIN (
                                        SELECT 
                                            ap.building_guid,
                                            ap.ShowView AS sub_system_guid
                                        FROM
                                        (
                                            SELECT *
                                            FROM role_auth ra
                                            WHERE ra.role_guid = (SELECT ui.role_guid FROM userinfo ui WHERE account = @Account)
                                        ) ra
                                        LEFT JOIN auth_page ap ON ra.AuthCode = ap.AuthCode
                                        WHERE ap.AuthType = 1
                                    ) shower ON d.building_guid = shower.building_guid AND d.sub_system_guid = shower.sub_system_guid
                                WHERE d.deleted = 0 AND d.device_number IN @DeviceNumbers
                                ";

                var menuAlarmDevices = await frontendRepository.GetAllAsync<OntimeAlarmRawData>(sqlDevice, new { Account = account, DeviceNumbers = alarmDevices });

                apiResult.Data = menuAlarmDevices;
                apiResult.Code = "0000";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
                return Ok(apiResult);
            }
            return Ok(apiResult);
        }

        /// <summary>
        /// 取得報警設備
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [Route("api/Device/Getalarm")]
        public async Task<ActionResult<ApiResult<AlarmObj>>> Alarm()
        {
            ApiResult<AlarmObj> apiResult = new ApiResult<AlarmObj>(jwt_str);
            if (!jwtlife)
            {
                apiResult.Code = "5000";
                return BadRequest(apiResult);
            }
            try
            {
                AlarmObj alarmObj = new AlarmObj()
                {
                    alarmorion = new List<AlarmorionString>(),
                    buildingAlarmDeviceAmount = new List<BuildingAlarmDeviceAmount>()
                };

                // old寫法
                //string sql = $@"SELECT sl.source device_number,from_unixtime(amc.timestamp/1000,'%Y-%m-%d %H:%i:%s') alarm_timestamp FROM alarmorion_orionalarmrecord amc
                //              JOIN (
                //                 SELECT MAX(amc.alarm) ad,m.source FROM alarmorion_orionalarmsourceorder amc
                //                 JOIN (SELECT * FROM alarmorion_orionalarmsource a WHERE substring(a.source,23,5) ='Arena') m ON amc.alarmSource = m.id
                //                 GROUP BY m.source
                //            ) sl ON amc.id = sl.ad 
                //            WHERE amc.sourceState = 1
                //                            ";

                string sql = $@"
                                select * from 
                                (
                                  SELECT a.* ,from_unixtime(a.timestamp/1000,'%Y-%m-%d %H:%i:%s') alarm_timestamp,  errmsg device_point,  
                                  substring( errmsg, 1, 
                                        LENGTH(errmsg) - 
                                        LENGTH(SUBSTRING_INDEX(errmsg, '_', -1) -1) -- 最後一段的長度
                                        -1 -- 減掉最後的 _ ex:D3_B_B1F_CO_
                                       ) device_tag
                                  FROM alarmorion_orionalarmrecord a 
                                    JOIN alarmorion_orionalarmfacetvalue b on a.id = b.alarm
                                   WHERE a.sourceState = 1 and b.facetName = 9
                                 ) a 
                                 left join device b on a.device_tag = b.device_number AND b.deleted = 0
                                 left join device_disaster c on b.device_guid = c.device_guid
                                WHERE c.device_system_value IS NOT NULL";

                var alarms = await frontendRepository.GetAllAsync<AlarmorionString>(sql);

                // old寫法
                //List<AlarmorionString> Alarmorions = new List<AlarmorionString>();
                //foreach (var alarm in alarms)
                //{
                //    var source = alarm.device_number.Split('/');
                //    //if(source[2] != "H")
                //    //{
                //    //    continue;
                //    //}
                //    alarm.device_number = source[6];
                //    Alarmorions.Add(alarm);
                //}

                //alarmObj.alarmorion = Alarmorions.GroupBy(a => new { a.device_number, a.alarm_timestamp }).Select(a => a.First()).ToList();

                foreach(var alarm in alarms)
                {
                    var temp_alarm = alarmObj.alarmorion.Find(x => x.device_number == alarm.device_number);

                    if (temp_alarm == null)
                    {
                        alarmObj.alarmorion.Add(alarm);
                    }
                }


                var device_amount_sql = $@"SELECT 
                                            d.building_guid, 
                                            COUNT(*) AS device_amount
                                            FROM device d
                                            WHERE d.deleted = 0
                                            AND d.device_number IN @devices
                                            GROUP BY d.building_guid";
                alarmObj.buildingAlarmDeviceAmount = await frontendRepository.GetAllAsync<BuildingAlarmDeviceAmount>(device_amount_sql, new { devices = alarmObj.alarmorion.Select(x => x.device_number).ToList() });

                apiResult.Data = alarmObj;
                apiResult.Code = "0000";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
                return Ok(apiResult);
            }
            return Ok(apiResult);
        }

        /// <summary>
        /// 修改設備名稱(打後台API)
        /// </summary>
        /// <param name="change"></param>
        /// <returns></returns>
        [HttpPost]
        [Route("api/Device/SaveChangeName")]
        public async Task<ActionResult<ApiResult<string>>> SaveChangeName(ChangeName change)
        {
            ApiResult<string> apiResult = new ApiResult<string>(jwt_str);
            if (!jwtlife)
            {
                apiResult.Code = "5000";
                return BadRequest(apiResult);
            }
            try
            {
                string authHeader = HttpContext.Request.Headers["Authorization"];
                var websiteurl = await frontendRepository.GetOneAsync<string>("select system_value from variable where system_type = 'website_config' and system_key = 'website_url' ");
                //傳送到後台API
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create($"{websiteurl}api/Device/SaveChangeName");
                request.Method = "POST";
                request.Headers.Add("Authorization", authHeader);
                request.ContentType = "application/x-www-form-urlencoded";
                request.PreAuthenticate = true;
                NameValueCollection postParams = System.Web.HttpUtility.ParseQueryString(string.Empty);
                postParams.Add("TagName", change.TagName);
                postParams.Add("ChangeN", change.ChangeN);
                postParams.Add("ChooseTable", change.ChooseTable.ToString());
                byte[] postData = Encoding.UTF8.GetBytes(postParams.ToString());
                using (Stream st = request.GetRequestStream())
                {
                    st.Write(postData, 0, postData.Length);
                }

                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                var responseString = new StreamReader(response.GetResponseStream()).ReadToEnd();
                var statusNumber = (int)response.StatusCode;
                if (statusNumber != 200)
                {
                    throw new NotImplementedException(responseString);
                }
                else
                {
                    //解析回傳內容
                    var final = JObject.Parse(responseString);

                    apiResult.Code = final["code"].ToString();
                    apiResult.Data = final["data"].ToString();
                }
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
                return Ok(apiResult);
            }
            return Ok(apiResult);
        }

        [HttpPost]
        [Route("api/Device/GetHaveChangeNameRole")]
        public async Task<ActionResult<ApiResult<bool>>> GetHaveChangeNameRole(ChangeNameRole role)
        {
            ApiResult<bool> apiResult = new ApiResult<bool>(jwt_str);
            if (!jwtlife)
            {
                apiResult.Code = "5000";
                return BadRequest(apiResult);
            }
            try
            {
                var sql = $@"
                            select * from userinfo u
                            join role_auth a on a.role_guid = u.role_guid
                            join auth_page p on p.AuthCode = a.AuthCode
                            where u.account = N'{role.Account}'
                            and p.SubName = N'編輯設備名稱'
                            and p.building_guid = N'{role.Building_guid}'";
                var have = await backendRepository.GetOneAsync<string>(sql);
                if (have == null)
                {
                    apiResult.Data = false;
                }
                else
                {
                    apiResult.Data = true;
                }

                apiResult.Code = "0000";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
                return Ok(apiResult);
            }
            return Ok(apiResult);

        }

    }
}