using System;
using System.Collections.Generic;
using System.Linq;
using Application.Domain.Entities;
using Application.Models;
using Infrastructure.Data;
using Infrastructure.Extensions;
using Infrastructure.Web.Mvc;
using IoTCenter.Services;
using IoTShared.Controllers;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.SignalR;
using Microsoft.EntityFrameworkCore;

namespace IoTCenter.Areas.Admin.Controllers
{
    [Authorize]
    [Area(nameof(Admin))]
    public class DataController : CrudController<Data, DataSearchModel, EditDataModel, EditDataModel>
    {
        private readonly IRepository<Data> _repo;
        private readonly AjaxController _ajax;
        private readonly IHubContext<PageHub> _pageHubContext;

        public DataController(IRepository<Data> repo, AjaxController ajax, IHubContext<PageHub> pageHubContext) : base(repo)
        {
            this._repo = repo;
            this._ajax = ajax;
            this._pageHubContext = pageHubContext;
        }

        public override IQueryable<Data> Include(IQueryable<Data> query)
        {
            return query.Include(o => o.Device).ThenInclude(o => o.Node);
        }

        public override IQueryable<Data> Query(DataSearchModel model, IQueryable<Data> query)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            ViewData.SelectList(o => model.NodeId, () => this._ajax.GetNodeSelectList(model.NodeId));
            ViewData.SelectList(o => model.DeviceId, () => this._ajax.GetDeviceSelectList(model.NodeId.Value, model.DeviceId), model.NodeId.HasValue);
            return query.WhereIf(model.NodeId.HasValue, o => o.Device.NodeId == model.NodeId.Value)
                .WhereIf(model.DeviceId.HasValue, o => o.DeviceId == model.DeviceId.Value)
                .WhereIf(!string.IsNullOrEmpty(model.Keyword), o => o.Name.Contains(model.Keyword));
        }

        public override void ToModel(Data entity, EditDataModel model)
        {
            if (entity == null)
            {
                throw new ArgumentNullException(nameof(entity));
            }
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            model.DeviceNumber = entity.Device.Number;
            model.NodeNumber = entity.Device.Node.Number;
        }

        public override IActionResult Edit(EditDataModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (ModelState.IsValid)
            {
                this._pageHubContext.Clients.Group(model.NodeNumber).SendAsync(Methods.ServerToClient, Methods.EditDataRequest, model.ToJson(), null);
                return RedirectTo();
            }
            ModelState.AddModelError("", "服务器出现异常，请稍后重试");
            return View(model);
        }

        [System.Diagnostics.CodeAnalysis.SuppressMessage("Design", "CA1031:不捕获常规异常类型", Justification = "<挂起>")]
        public override IActionResult Delete(List<Guid> list)
        {
            if (list == null)
            {
                throw new ArgumentNullException(nameof(list));
            }
            foreach (var id in list)
            {
                try
                {
                    var entity = this._repo.ReadOnlyTable().Include(o => o.Device).ThenInclude(o => o.Node).FirstOrDefault(o => o.Id == id);
                    var model = entity.To<EditDataModel>();
                    model.DeviceNumber = entity.Device.Number;
                    this._pageHubContext.Clients.Group(entity.Device.Node.Number).SendAsync(Methods.ServerToClient, Methods.DeleteDataRequest, model.ToJson(), null);
                }
                catch (Exception ex)
                {
                    ex.PrintStack();
                    return RedirectTo(rawMesage: ex.Message);
                }
            }
            return RedirectTo();
        }
    }
}