using Application.Domain.Entities;
using Application.Models;
using Application.Services;
using Infrastructure.Data;
using Infrastructure.Extensions;
using Infrastructure.Jwt;
using IoTShared;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.SignalR;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using Vibrant.InfluxDB.Client;
using Vibrant.InfluxDB.Client.Rows;

namespace IoTCenter.Controllers
{
    public class AppController : Controller
    {
        private readonly IConfiguration _configuration;
        private readonly IJwtHelper _jwtHelper;
        private readonly INodeService _nodeService;
        private readonly IRepository<Node> _nodeRepo;
        private readonly IRepository<Device> _deviceRepo;
        private readonly IHubContext<PageHub> _pageHubContext;

        public AppController(IConfiguration configuration,
            IJwtHelper jwtHelper,
            INodeService nodeService,
            IRepository<Node> nodeRepo,
            IRepository<Device> deviceRepo,
            IHubContext<PageHub> pageHubContext)
        {
            this._configuration = configuration;
            this._jwtHelper = jwtHelper;
            this._nodeService = nodeService;
            this._nodeRepo = nodeRepo;
            this._deviceRepo = deviceRepo;
            this._pageHubContext = pageHubContext;
        }

        [Authorize]
        public IActionResult Index()
        {
            return View();
        }

        public IActionResult GetNodes(string token)
        {
            //var userName = this._jwtHelper.GetPayload(token)["UserName"].ToString();
            var model = this._nodeRepo.ReadOnlyTable()
                .Select(o => new { o.Id, o.Number, o.Name, o.DisplayOrder, Count = o.Devices.Count })
                .ToList();
            return Json(model);
        }

        public IActionResult GetNode(string token, string number)
        {
            //var userName = this._jwtHelper.GetPayload(token)["UserName"].ToString();
            var model = this._nodeRepo.ReadOnlyTable()
                .Include(o => o.Sences)
                .Include(o => o.Devices).ThenInclude(o => o.Data)
                .FirstOrDefault(o => o.Number == number);
            return Json(model, new JsonSerializerSettings { ReferenceLoopHandling = ReferenceLoopHandling.Ignore });
        }

        public IActionResult GetDevice(string token, string number)
        {
            //var userName = this._jwtHelper.GetPayload(token)["UserName"].ToString();
            var model = this._deviceRepo.ReadOnlyTable()
                .Include(o => o.Data)
                .Include(o => o.Apis).ThenInclude(o => o.Parameters)
                .FirstOrDefault(o => o.Number == number);
            return Json(model, new JsonSerializerSettings { ReferenceLoopHandling = ReferenceLoopHandling.Ignore });
        }

        public IActionResult Exec(string connectionId, string node, string cmd, Guid id)
        {
            try
            {
                var query = string.Empty;
                foreach (var item in Request.Query.Where(o => o.Key != "node" && o.Key != "cmd" && !o.Key.StartsWith("id")))
                {
                    query = query.SetParam(item.Key, item.Value);
                }
                return Json(this._nodeService.Exec(id, cmd, query));
            }
            catch (Exception ex)
            {
                ex.PrintStack();
                return Json(ApiResponse.Error(ex));
            }
        }

        public IActionResult ExecAll(string connectionId, string node, string cmd, List<Guid> id)
        {
            try
            {
                var query = string.Empty;
                foreach (var item in Request.Query.Where(o => o.Key != "node" && o.Key != "cmd" && !o.Key.StartsWith("id[")))
                {
                    query = query.SetParam(item.Key, item.Value);
                }
                this._nodeService.ExecAll(id, cmd, query);
                return Json(ApiResponse.AsyncSuccess());
            }
            catch (Exception ex)
            {
                ex.PrintStack();
                return Json(ApiResponse.Error(ex));
            }
        }

        public IActionResult Sence(string connectionId, string node, Guid id)
        {
            try
            {
                this._nodeService.Sence(id);
                return Json(ApiResponse.AsyncSuccess());
            }
            catch (Exception ex)
            {
                ex.PrintStack();
                return Json(ApiResponse.Error(ex));
            }
        }

        public IActionResult Data(Guid id, string time = "10m")
        {
            var device = this._deviceRepo.ReadOnlyTable().Include(o => o.Node).Include(o => o.Data).FirstOrDefault(o => o.Id == id);
            var url = this._configuration["influxdb:url"];
            var usr = this._configuration["influxdb:usr"];
            var pwd = this._configuration["influxdb:pwd"];
            var dbName = "iot";
            var measurementName = "data";
            var list = new List<object>();
            using (var client = new InfluxClient(new Uri(url), usr, pwd))
            {
                var fileds = String.Join(',', device.Data.Where(o => o.Type == "Int" || o.Type == "Float").Select(o => o.Key));
                var query = $"select {fileds} from {measurementName} where time>now()-{time} and DeviceNumber = '{device.Number}' limit 10000";
                var result = client.ReadAsync<DynamicInfluxRow>(dbName, query).Result;
                var rows = result.Results.FirstOrDefault()?
                    .Series.FirstOrDefault()?
                    .Rows;
                var labels = rows?.Select(o => o.Timestamp.Value).Select(o => o.ToString("MM-dd HH:mm:ss")).ToList() ?? new List<string>();
                foreach (var data in device.Data.Where(o => o.Type == "Int" || o.Type == "Float"))
                {
                    list.Add(new
                    {
                        id = data.Key,
                        label = data.Name,
                        labels,
                        data = rows?.Select(o => o.GetField(data.Key)).ToList() ?? new List<object>()
                    });
                }
            }
            return Json(list);
        }
    }
}