using HandyControl.Controls;
using YY.Admin.Core;
using YY.Admin.Core.Extension;
using YY.Admin.Core.Helper;
using YY.Admin.Services.Service;
using YY.Admin.ViewModels.Control;

namespace YY.Admin.ViewModels.SysManage;

public class DataDictionaryManagementViewModel : BaseViewModel
{
    private readonly IJeecgDictSyncService _dictSyncService;

    private PaginationDataGridViewModel<JeecgDictItemOutput> _paginationDataGridViewModel;
    public PaginationDataGridViewModel<JeecgDictItemOutput> PaginationDataGridViewModel
    {
        get => _paginationDataGridViewModel;
        set => SetProperty(ref _paginationDataGridViewModel, value);
    }

    private PageJeecgDictItemInput _input;
    public PageJeecgDictItemInput Input
    {
        get => _input;
        set => SetProperty(ref _input, value);
    }

    public List<KeyValuePair<string, int>> StatusList =>
        Enum.GetValues(typeof(StatusEnum))
            .Cast<StatusEnum>()
            .Select(e => new KeyValuePair<string, int>(e.GetDescription(), (int)e))
            .ToList();

    public DelegateCommand SearchCommand { get; }
    public DelegateCommand ResetCommand { get; }
    public DelegateCommand SyncCommand { get; }

    public DataDictionaryManagementViewModel(
        IJeecgDictSyncService dictSyncService,
        IContainerExtension container,
        IRegionManager regionManager) : base(container, regionManager)
    {
        _dictSyncService = dictSyncService;
        _paginationDataGridViewModel = new PaginationDataGridViewModel<JeecgDictItemOutput>(FetchAsync);
        _input = new PageJeecgDictItemInput();

        SearchCommand = new DelegateCommand(async () => await SearchAsync());
        ResetCommand = new DelegateCommand(async () => await ResetAsync());
        SyncCommand = new DelegateCommand(async () => await SyncAsync());

        _ = InitializeAsync();
    }

    private async Task InitializeAsync()
    {
        await UIHelper.WaitForRenderAsync();
        await PaginationDataGridViewModel.LoadDataAsync();
    }

    private async Task<(IEnumerable<JeecgDictItemOutput> data, int totalCount)> FetchAsync()
    {
        Input.Page = PaginationDataGridViewModel.PageIndex;
        Input.PageSize = PaginationDataGridViewModel.DataCountPerPage;
        var result = await _dictSyncService.PageAsync(Input);
        return (result.Items, result.Total);
    }

    private async Task SearchAsync()
    {
        PaginationDataGridViewModel.PageIndex = 1;
        await PaginationDataGridViewModel.LoadDataAsync();
    }

    private async Task ResetAsync()
    {
        Input = new PageJeecgDictItemInput();
        await UIHelper.WaitForRenderAsync();
        await SearchAsync();
    }

    private async Task SyncAsync()
    {
        var count = await _dictSyncService.SyncFromJeecgAsync();
        if (count > 0)
        {
            Growl.Success($"同步完成，共处理 {count} 条数据字典项");
        }
        else
        {
            Growl.Warning("未同步到数据字典，请确认后端可访问");
        }
        await SearchAsync();
    }
}