using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using WalkingTec.Mvvm.Core;
using WalkingTec.Mvvm.Core.Extensions;
using Microsoft.EntityFrameworkCore;
using System.ComponentModel.DataAnnotations;
using IoTGateway.Model;
using PluginInterface;
using Plugin;
using Newtonsoft.Json;
using System.Collections.Generic;

namespace IoTGateway.ViewModel.BasicData.DeviceVariableVMs
{
    public partial class DeviceVariableListVM : BasePagedListVM<DeviceVariable_View, DeviceVariableSearcher>
    {
        public List<TreeSelectListItem> AllDevices { get; set; }
        public List<LayuiTreeItem> DevicesTree { get; set; }
        protected override List<GridAction> InitGridAction()
        {
            return new List<GridAction>
            {
                this.MakeAction("DeviceVariable","SetValue",Localizer["WriteValue"],Localizer["WriteValue"], GridActionParameterTypesEnum.MultiIds,"BasicData",600).SetIconCls("_wtmicon _wtmicon-xiayibu").SetHideOnToolBar(false).SetShowInRow(false).SetBindVisiableColName("setValue"),
                this.MakeStandardAction("DeviceVariable", GridActionStandardTypesEnum.Create, Localizer["Sys.Create"],"BasicData", dialogWidth: 800),
                this.MakeStandardAction("DeviceVariable", GridActionStandardTypesEnum.Edit, Localizer["Sys.Edit"], "BasicData", dialogWidth: 800),
                this.MakeStandardAction("DeviceVariable", GridActionStandardTypesEnum.Delete, Localizer["Sys.Delete"], "BasicData", dialogWidth: 800),
                this.MakeStandardAction("DeviceVariable", GridActionStandardTypesEnum.Details, Localizer["Sys.Details"], "BasicData", dialogWidth: 800).SetBindVisiableColName("detail"),
                this.MakeStandardAction("DeviceVariable", GridActionStandardTypesEnum.BatchEdit, Localizer["Sys.BatchEdit"], "BasicData", dialogWidth: 800),
                this.MakeStandardAction("DeviceVariable", GridActionStandardTypesEnum.BatchDelete, Localizer["Sys.BatchDelete"], "BasicData", dialogWidth: 800),
                this.MakeStandardAction("DeviceVariable", GridActionStandardTypesEnum.Import, Localizer["Sys.Import"], "BasicData", dialogWidth: 800),
                this.MakeStandardAction("DeviceVariable", GridActionStandardTypesEnum.ExportExcel, Localizer["Sys.Export"], "BasicData"),
            };
        }

        protected override void InitListVM()
        {
            AllDevices = DC.Set<Device>().AsNoTracking()
                .OrderBy(x => x.Parent.Index).ThenBy(x => x.Parent.DeviceName)
                .OrderBy(x => x.Index).ThenBy(x => x.DeviceName)
                .GetTreeSelectListItems(Wtm, x => x.DeviceName);

            var deviceService = Wtm.ServiceProvider.GetService(typeof(DeviceService)) as DeviceService;
            Parallel.ForEach(AllDevices, device =>
            {
                Parallel.ForEach(device.Children, item =>
                {
                    var deviceThread = deviceService.DeviceThreads.FirstOrDefault(x => x.Device.ID.ToString() == (string)item.Value);
                    if (deviceThread != null)
                        item.Icon = deviceThread.Device.AutoStart
                            ? (deviceThread.Driver.IsConnected
                                ? "layui-icon layui-icon-link"
                                : "layui-icon layui-icon-unlink")
                            : "layui-icon layui-icon-pause";

                    item.Text = " " + item.Text;
                    item.Expended = true;
                    item.Selected = item.Value.ToString() == IoTBackgroundService.VariableSelectDeviceId.ToString();

                });
            });
            DevicesTree = GetLayuiTree(AllDevices);
            base.InitListVM();
        }
        protected override IEnumerable<IGridColumn<DeviceVariable_View>> InitGridHeader()
        {
            return new List<GridColumn<DeviceVariable_View>>{
                this.MakeGridHeader(x => x.Name).SetSort(true).SetWidth(100),
                //this.MakeGridHeader(x => x.Description),
                this.MakeGridHeader(x => x.Method).SetSort(true).SetWidth(130),
                this.MakeGridHeader(x => x.DeviceAddress).SetSort(true).SetWidth(100),
                this.MakeGridHeader(x => x.DataType).SetSort(true).SetWidth(75),
                this.MakeGridHeader(x => x.IsTrigger).SetWidth(90),
                this.MakeGridHeader(x => x.EndianType).SetSort(true).SetWidth(90),
                this.MakeGridHeader(x => x.Value).SetWidth(95).SetFormat((a,b)=>{
                    return $"<div id='id{a.ID}_Value'>{a.Value}</div>";
                }),
                this.MakeGridHeader(x => x.CookedValue).SetWidth(95).SetFormat((a,b)=>{
                    return $"<div id='id{a.ID}_CookedValue'>{a.CookedValue}</div>";
                }),
                this.MakeGridHeader(x => x.StatusType).SetWidth(75).SetFormat((a,b)=>{
                    return $"<div id='id{a.ID}_State'>{a.StatusType}</div>";
                }),
                this.MakeGridHeader(x => x.Expressions).SetWidth(150),
                this.MakeGridHeader(x => x.IsUpload).SetWidth(80),
                this.MakeGridHeader(x => x.ProtectType).SetWidth(80).SetSort(true),
                this.MakeGridHeader(x => x.DeviceName_view).SetSort(true).SetWidth(90),
                this.MakeGridHeader(x => x.Alias).SetSort(true).SetWidth(90),
                this.MakeGridHeader(x => x.Timestamp).SetWidth(100).SetFormat((a,b)=>{
                    return $"<div id='id{a.ID}_Timestamp'>{a.Timestamp:HH:mm:ss.fff}</div>";
                }),
                this.MakeGridHeader(x => x.Message).SetSort(true).SetWidth(200).SetFormat((a,b)=>{
                    return $"<div id='id{a.ID}_Message'>{a.Message}</div>";
                }),
                this.MakeGridHeader(x=> "detail").SetHide().SetFormat((a,b)=>{
                    return "false";
                }),
                this.MakeGridHeader(x=>"setValue").SetHide().SetFormat((a,b)=>{
                    if(a.Device.AutoStart== true)
                        return "true";
                     return "false";
                }),
                this.MakeGridHeaderAction(width: 115)
            };
        }

        public override IOrderedQueryable<DeviceVariable_View> GetSearchQuery()
        {
            if (Searcher.DeviceId != null)
                IoTBackgroundService.VariableSelectDeviceId = Searcher.DeviceId;


            var deviceService = Wtm.ServiceProvider.GetService(typeof(DeviceService)) as DeviceService;
            //设备线程中的所有设备
            var threadDeviceIds = deviceService?.DeviceThreads.Select(x => x.Device.ID).Distinct(x => x);
            //设备线程中的变量
            var threadVariables =
                deviceService?.DeviceThreads.Where(x => x.Device.DeviceVariables != null).SelectMany(deviceThread => deviceThread.Device.DeviceVariables);
            //查找数据库中额外的变量
            var dcVariables = DC.Set<DeviceVariable>().AsNoTracking().Include(x => x.Device)
                .Where(x => !threadDeviceIds.Contains((Guid)x.DeviceId)).AsEnumerable();

            var variables = dcVariables.Union(threadVariables).AsQueryable();

            if (SearcherMode == ListVMSearchModeEnum.Batch)
            {
                var ids = UpdateDevices.FC2Guids(FC);

                return variables.Where(x => ids.Contains(x.ID)).Select(x => new DeviceVariable_View
                {
                    ID = x.ID,
                    DeviceId = x.DeviceId,
                    Name = x.Name,
                    Index = x.Index,
                    Description = x.Description,
                    Method = x.Method,
                    DeviceAddress = x.DeviceAddress,
                    DataType = x.DataType,
                    IsTrigger = x.IsTrigger,
                    EndianType = x.EndianType,
                    Expressions = x.Expressions,
                    IsUpload = x.IsUpload,
                    ProtectType = x.ProtectType,
                    DeviceName_view = x.Device.DeviceName,
                    Alias = x.Alias,
                    Device = x.Device,
                    Value = x.Value,
                    CookedValue = x.CookedValue,
                    StatusType = x.StatusType,
                    Timestamp = x.Timestamp,
                    Message = x.Message,
                })
                    .OrderBy(x => x.Index).ThenBy(x => x.DeviceName_view).ThenBy(x => x.Alias).ThenBy(x => x.Method)
                    .ThenBy(x => x.DeviceAddress);
            }

            return variables
                .CheckContain(Searcher.Name, x => x.Name)
                .CheckContain(Searcher.Alias, x => x.Alias)
                .CheckContain(Searcher.Method, x => x.Method)
                .CheckContain(Searcher.DeviceAddress, x => x.DeviceAddress)
                .CheckEqual(Searcher.DataType, x => x.DataType)
                .CheckEqual(Searcher.DeviceId, x => x.DeviceId)
                .Select(x => new DeviceVariable_View
                {
                    ID = x.ID,
                    DeviceId = x.DeviceId,
                    Name = x.Name,
                    Index = x.Index,
                    Description = x.Description,
                    Method = x.Method,
                    DeviceAddress = x.DeviceAddress,
                    DataType = x.DataType,
                    IsTrigger = x.IsTrigger,
                    EndianType = x.EndianType,
                    Expressions = x.Expressions,
                    IsUpload = x.IsUpload,
                    ProtectType = x.ProtectType,
                    DeviceName_view = x.Device.DeviceName,
                    Alias = x.Alias,
                    Device = x.Device,
                    Value = x.Value,
                    CookedValue = x.CookedValue,
                    StatusType = x.StatusType,
                    Timestamp = x.Timestamp,
                    Message = x.Message,
                })
                .OrderBy(x => x.Index).ThenBy(x => x.DeviceName_view).ThenBy(x => x.Alias).ThenBy(x => x.Method)
                .ThenBy(x => x.DeviceAddress);
        }

        public override IOrderedQueryable<DeviceVariable_View> GetBatchQuery()
        {
            return GetSearchQuery();
        }

        private List<LayuiTreeItem> GetLayuiTree(List<TreeSelectListItem> tree, int level = 0)
        {
            List<LayuiTreeItem> rv = new List<LayuiTreeItem>();
            foreach (var s in tree)
            {
                var news = new LayuiTreeItem
                {
                    Id = (string)s.Value,
                    Title = s.Text,
                    Icon = s.Icon,
                    Url = s.Url,
                    Expand = s.Expended,
                    Level = level,
                    Checked = s.Selected
                    //Children = new List<LayuiTreeItem>()
                };
                if (s.Children != null && s.Children.Count > 0)
                {
                    news.Children = GetLayuiTree(s.Children, level + 1);
                    if (news.Children.Where(x => x.Checked == true || x.Expand == true).Count() > 0)
                    {
                        news.Expand = true;
                    }
                }
                rv.Add(news);
            }
            return rv;
        }
        public class LayuiTreeItem
        {
            [JsonProperty(PropertyName = "title")]
            public string Title { get; set; }

            [JsonProperty(PropertyName = "icon")]
            public string Icon { get; set; }

            [JsonProperty(PropertyName = "id")]
            public string Id { get; set; }

            [JsonProperty(PropertyName = "children")]
            public List<LayuiTreeItem> Children { get; set; }

            [JsonProperty(PropertyName = "href")]
            public string Url { get; set; }

            [JsonProperty(PropertyName = "spread")]
            public bool Expand { get; set; }

            [JsonProperty(PropertyName = "checked")]
            public bool Checked { get; set; }

            [JsonProperty(PropertyName = "level")]
            public int Level { get; set; }
        }
    }

    public class DeviceVariable_View : DeviceVariable
    {
        [Display(Name = "DeviceName")]
        public string DeviceName_view { get; set; }
    }
}