using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq.Expressions;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Sln.Wcs.Model.Domain;
using Sln.Wcs.Repository.service;
using Sln.Wcs.UI.ViewModels.Base;
using Sln.Wcs.UI.Views.Base;

namespace Sln.Wcs.UI.ViewModels.Device;

public partial class DeviceInfoViewModel : CrudPageViewModel<BaseDeviceInfo>
{
    private readonly IBaseDeviceParamService _paramService;
    private BaseDeviceInfo? _currentDevice;

    [ObservableProperty]
    private bool _isPanelOpen;

    [ObservableProperty]
    private ObservableCollection<BaseDeviceParam> _deviceParams = new();

    [ObservableProperty]
    private string _slidePanelTitle = string.Empty;

    public DeviceInfoViewModel(IBaseDeviceInfoService service, IBaseDeviceParamService paramService) : base(service)
    {
        _paramService = paramService;
        PageTitle = "设备信息管理";
    }

    public override List<FieldConfig> FieldConfigs => new()
    {
        new() { PropertyName = "deviceCode", DisplayName = "设备编号", IsRequired = true },
        new() { PropertyName = "deviceName", DisplayName = "设备名称" },
        new() { PropertyName = "deviceAlias", DisplayName = "设备别名" },
        new() { PropertyName = "deviceSerialNo", DisplayName = "设备序号", FieldType = FieldType.Number },
        new() { PropertyName = "deviceType", DisplayName = "设备类型", FieldType = FieldType.Number },
        new() { PropertyName = "deviceStatus", DisplayName = "设备状态", FieldType = FieldType.Number },
        new() { PropertyName = "hostCode", DisplayName = "主机编号", IsRequired = true },
        new() { PropertyName = "isFlag", DisplayName = "启用", FieldType = FieldType.CheckBox },
        new() { PropertyName = "remark", DisplayName = "备注" },
    };

    protected override Expression<Func<BaseDeviceInfo, bool>>? BuildSearchExpression(string search)
        => x => x.deviceCode.Contains(search) || (x.deviceName != null && x.deviceName.Contains(search));

    public override Avalonia.Controls.Control CreateView() => new Sln.Wcs.UI.Views.Device.DeviceInfoListView();

    public void LoadParamsData(BaseDeviceInfo device)
    {
        _currentDevice = device;
        LoadParams();
        SlidePanelTitle = $"设备参数 - {device.deviceCode}";
    }

    [RelayCommand]
    public void ClosePanel()
    {
        IsPanelOpen = false;
    }

    [RelayCommand]
    private async System.Threading.Tasks.Task AddParam()
    {
        if (_currentDevice is null) return;
        var entity = new BaseDeviceParam { deviceCode = _currentDevice.deviceCode };
        var editor = new EntityEditWindow();
        var result = await editor.ShowDialog(entity, ParamFieldConfigs, false, GetMainWindow());
        if (result)
        {
            _paramService.Insert(entity);
            LoadParams();
        }
    }

    public async System.Threading.Tasks.Task EditParamAsync(BaseDeviceParam param)
    {
        var editor = new EntityEditWindow();
        var result = await editor.ShowDialog(param, ParamFieldConfigs, true, GetMainWindow());
        if (result)
        {
            _paramService.Update(param);
            LoadParams();
        }
    }

    public void DeleteParam(BaseDeviceParam param)
    {
        _paramService.DeleteById(param.objId);
        LoadParams();
    }

    private void LoadParams()
    {
        if (_currentDevice is null) return;
        var list = _paramService.Query(x => x.deviceCode == _currentDevice.deviceCode);
        DeviceParams = new ObservableCollection<BaseDeviceParam>(list);
    }

    public List<FieldConfig> ParamFieldConfigs => new()
    {
        new() { PropertyName = "paramCode", DisplayName = "参数编号", IsRequired = true },
        new() { PropertyName = "deviceCode", DisplayName = "设备编号", IsRequired = true, IsReadOnly = true },
        new() { PropertyName = "paramName", DisplayName = "参数名称", IsRequired = true },
        new() { PropertyName = "paramAddress", DisplayName = "参数地址", IsRequired = true },
        new() { PropertyName = "paramType", DisplayName = "参数类型" },
        new() { PropertyName = "paramValue", DisplayName = "参数值", FieldType = FieldType.Number },
        new() { PropertyName = "operationType", DisplayName = "操作类型" },
        new() { PropertyName = "operationFrequency", DisplayName = "操作频率(ms)" },
        new() { PropertyName = "isFlag", DisplayName = "启用", FieldType = FieldType.CheckBox },
        new() { PropertyName = "remark", DisplayName = "备注" },
    };

    private Avalonia.Controls.Window GetMainWindow()
    {
        return (Avalonia.Controls.Window)Avalonia.Application.Current!
            .ApplicationLifetime!.GetType()
            .GetProperty("MainWindow")!
            .GetValue(Avalonia.Application.Current.ApplicationLifetime)!;
    }
}