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.Task;

public partial class TaskQueueViewModel : CrudPageViewModel<LiveTaskQueue>
{
    private readonly ILiveTaskDetailService _detailService;
    private LiveTaskQueue? _currentTask;

    [ObservableProperty]
    private bool _isPanelOpen;

    [ObservableProperty]
    private ObservableCollection<LiveTaskDetail> _detailItems = new();

    [ObservableProperty]
    private string _slidePanelTitle = string.Empty;

    public TaskQueueViewModel(ILiveTaskQueueService service, ILiveTaskDetailService detailService) : base(service)
    {
        _detailService = detailService;
        PageTitle = "任务队列管理";
    }

    public override List<FieldConfig> FieldConfigs => new()
    {
        new() { PropertyName = "taskCode", DisplayName = "任务编号" },
        new() { PropertyName = "materialCode", DisplayName = "物料编号" },
        new() { PropertyName = "palletBarcode", DisplayName = "托盘条码" },
        new() { PropertyName = "materialBarcode", DisplayName = "物料条码" },
        new() { PropertyName = "materialCount", DisplayName = "物料数量", FieldType = FieldType.Number },
        new() { PropertyName = "taskType", DisplayName = "任务类型", FieldType = FieldType.Number },
        new() { PropertyName = "taskCategory", DisplayName = "任务类别", FieldType = FieldType.Number },
        new() { PropertyName = "startPoint", DisplayName = "起始位置" },
        new() { PropertyName = "endPoint", DisplayName = "结束位置" },
        new() { PropertyName = "pathCode", DisplayName = "路径编号" },
        new() { PropertyName = "taskStatus", DisplayName = "任务状态", FieldType = FieldType.Number },
        new() { PropertyName = "taskSteps", DisplayName = "任务步骤", FieldType = FieldType.Number },
        new() { PropertyName = "isFlag", DisplayName = "启用", FieldType = FieldType.CheckBox },
        new() { PropertyName = "remark", DisplayName = "备注" },
    };

    protected override Expression<Func<LiveTaskQueue, bool>>? BuildSearchExpression(string search)
        => x => (x.taskCode != null && x.taskCode.Contains(search))
             || (x.materialCode != null && x.materialCode.Contains(search));

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

    public void LoadDetailsData(LiveTaskQueue task)
    {
        _currentTask = task;
        LoadDetails();
        SlidePanelTitle = $"任务明细 - {task.taskCode}";
    }

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

    [RelayCommand]
    private async System.Threading.Tasks.Task AddDetail()
    {
        if (_currentTask is null) return;
        var entity = new LiveTaskDetail { taskCode = _currentTask.taskCode };
        var editor = new EntityEditWindow();
        var result = await editor.ShowDialog(entity, DetailFieldConfigs, false, GetMainWindow());
        if (result)
        {
            _detailService.Insert(entity);
            LoadDetails();
        }
    }

    public async System.Threading.Tasks.Task EditDetailAsync(LiveTaskDetail detail)
    {
        var editor = new EntityEditWindow();
        var result = await editor.ShowDialog(detail, DetailFieldConfigs, true, GetMainWindow());
        if (result)
        {
            _detailService.Update(detail);
            LoadDetails();
        }
    }

    public void DeleteDetail(LiveTaskDetail detail)
    {
        _detailService.DeleteById(detail.objId);
        LoadDetails();
    }

    private void LoadDetails()
    {
        if (_currentTask is null) return;
        var list = _detailService.Query(x => x.taskCode == _currentTask.taskCode);
        DetailItems = new ObservableCollection<LiveTaskDetail>(list);
    }

    public List<FieldConfig> DetailFieldConfigs => new()
    {
        new() { PropertyName = "taskCode", DisplayName = "任务编号", IsRequired = true, IsReadOnly = true },
        new() { PropertyName = "pathCode", DisplayName = "路径编号" },
        new() { PropertyName = "materialCode", DisplayName = "物料编号" },
        new() { PropertyName = "startPoint", DisplayName = "起始位置" },
        new() { PropertyName = "endPoint", DisplayName = "结束位置" },
        new() { PropertyName = "deviceType", DisplayName = "设备类型", FieldType = FieldType.Number },
        new() { PropertyName = "isValidate", DisplayName = "校验物料", FieldType = FieldType.CheckBox },
        new() { PropertyName = "taskStatus", DisplayName = "任务状态", FieldType = FieldType.Number },
        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)!;
    }
}