using AutoMapper;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Dm;
using DMS.Application.DTOs;
using DMS.Application.Interfaces;
using DMS.Core.Enums;
using DMS.Core.Models;
using DMS.WPF.Services;
using DMS.Services;
using DMS.WPF.Interfaces;
using DMS.WPF.ViewModels.Dialogs;
using DMS.WPF.ItemViewModel;
using iNKORE.UI.WPF.Modern.Common.IconKeys;
using Microsoft.Extensions.DependencyInjection;

namespace DMS.WPF.ViewModels;

public partial class DeviceDetailViewModel : ViewModelBase
{
    private readonly IMapper _mapper;
    private readonly IDialogService _dialogService;
    private readonly IViewDataService _viewDataService;
    private readonly INavigationService _navigationService;
    private readonly IVariableTableViewService _variableTableViewService;
    private readonly IViewCenterService _wpfDataService;

    [ObservableProperty]
    private DeviceItem _currentDevice;

    [ObservableProperty]
    private VariableTableItem _selectedVariableTable;

    [ObservableProperty]
    private bool _isBusy;

    private readonly INotificationService _notificationService;


    public DeviceDetailViewModel(IMapper mapper, IDialogService dialogService, IViewDataService dataStorageService,
                                 INavigationService navigationService,
                                 IVariableTableViewService variableTableViewService, INotificationService notificationService)
    {
        _mapper = mapper;
        _dialogService = dialogService;
        _viewDataService = dataStorageService;
        _navigationService = navigationService;
        _variableTableViewService = variableTableViewService;
        _notificationService = notificationService;
    }

    [RelayCommand]
    private async Task AddVariableTable(DeviceItem deviceItem = null)
    {
        if (IsBusy) return;
        IsBusy = true;
        try
        {
            if (deviceItem is null)
            {
                deviceItem = CurrentDevice;
            }

            VariableTableDialogViewModel variableTableDialogViewModel = new VariableTableDialogViewModel()
            {
                PrimaryButText = "添加变量表"
            };
            // 1. 显示添加设备对话框
            var variableTableItem = await _dialogService.ShowDialogAsync(variableTableDialogViewModel);
            // 如果用户取消或对话框未返回设备，则直接返回
            if (variableTableItem is null) return;

            variableTableItem.DeviceId = deviceItem.Id;
            variableTableItem.Device = deviceItem;
            variableTableItem.Protocol = deviceItem.Protocol;
            var res = await _variableTableViewService.AddAsync(variableTableItem);

            if (res)
            {
                _notificationService.ShowSuccess($"添加变量表成功：{variableTableItem.Name}");
            }
            else
            {
                _notificationService.ShowError($"添加变量表失败：{variableTableItem.Name}！！");
            }
        }
        catch (Exception ex)
        {
            _notificationService.ShowError($"添加变量表时发生错误: {ex.Message}", ex);
        }
        finally
        {
            IsBusy = false;
        }
    }

    [RelayCommand]
    private async Task EditVariableTable()
    {
        if (IsBusy) return;
        IsBusy = true;
        try
        {
            if (SelectedVariableTable == null)
            {
                _notificationService.ShowError("你没有选择任何变量表，请选择变量表后再点击编辑变量表");
                return;
            }

            VariableTableDialogViewModel variableTableDialogViewModel
                = new VariableTableDialogViewModel(SelectedVariableTable)
                {
                    PrimaryButText = "编辑变量表"
                };
            // 1. 显示变量表对话框
            VariableTableItem variableTable
                = await _dialogService.ShowDialogAsync(variableTableDialogViewModel);
            // 如果用户取消或对话框未返回变量表，则直接返回
            if (variableTable is null)      return;

            if (await _variableTableViewService.UpdateAsync(variableTable))
            {
                _notificationService.ShowSuccess($"编辑变量表成功：{variableTable.Name}");
            }
            else
            {
                _notificationService.ShowError($"编辑变量表失败：{variableTable.Name}");
            }
        }
        catch (Exception e)
        {
            _notificationService.ShowError($"编辑变量表的过程中发生错误：{e.Message}", e);
        }
        finally
        {
            IsBusy = false;
        }
    }

    [RelayCommand]
    private async Task DeleteVariableTable(VariableTableItem variableTableItem=null)
    {
        if (IsBusy) return;
        IsBusy = true;
        try
        {
            if (variableTableItem is  null)
            {
                if (SelectedVariableTable is null)
                {
                    _notificationService.ShowError("你没有选择任何变量表，请选择变量表后再点击删除变量表");
                    return;
                }

                variableTableItem = SelectedVariableTable;
            }

            string message = $"确认要删除变量表名为:{variableTableItem.Name} \n\n此操作将同时删除该变量表下的所有变量数据，且无法恢复！";
            ConfirmDialogViewModel viewModel = new ConfirmDialogViewModel("删除变量表", message, "删除");
            bool confirmRes = await _dialogService.ShowDialogAsync(viewModel);
            if (!confirmRes) return;
            var tableName = variableTableItem.Name;
            if (await _variableTableViewService.DeleteAsync(variableTableItem))
            {
                _notificationService.ShowSuccess($"变量表：{tableName},删除成功。");
            }
            else
            {
                _notificationService.ShowError($"变量表：{tableName},删除失败!!!");
            }
        }
        catch (Exception e)
        {
            _notificationService.ShowError($"删除变量表的过程中发生错误：{e.Message}", e);
        }
        finally
        {
            IsBusy = false;
        }
    }


    public override async Task OnNavigatedToAsync(NavigationParameter parameter)
    {
        if (_viewDataService.Devices.TryGetValue(parameter.TargetId, out var device))
        {
            CurrentDevice = device;
        }
    }

    [RelayCommand]
    public void NavigateToVariableTable()
    {
        if (SelectedVariableTable == null) return;
        _navigationService.NavigateToAsync(
            this,
            new NavigationParameter(nameof(VariableTableViewModel), SelectedVariableTable.Id,
                                    NavigationType.VariableTable));
    }

    /// <summary>
    /// 返回到设备列表页命令
    /// </summary>
    [RelayCommand]
    private async Task NavigateToDevicesList()
    {
        try
        {
            // 导航到设备列表页面
            var navigationService = App.Current.Services.GetRequiredService<INavigationService>();
            await navigationService.NavigateToAsync(
                this, new NavigationParameter(nameof(DevicesViewModel), 0, NavigationType.Device));
        }
        catch (Exception ex)
        {
            _notificationService.ShowError($"导航到设备列表失败: {ex.Message}", ex);
        }
    }
}