@using AyCode.Blazor.Components.Components.Grids
@using AyCode.Core.Loggers;
@using AyCode.Core.Extensions
@using AyCode.Core.Helpers
@using AyCode.Utils.Extensions
@using FruitBank.Common.Dtos
@using FruitBank.Common.Entities
@using FruitBank.Common.Models
@using FruitBankHybrid.Shared.Components.Grids.ShippingItems
@using FruitBankHybrid.Shared.Databases
@using FruitBankHybrid.Shared.Services.Loggers;
@using FruitBankHybrid.Shared.Services.SignalRs

@implements IDisposable

@inject IEnumerable<IAcLogWriterClientBase> LogWriters
@inject FruitBankSignalRClient FruitBankSignalRClient
@inject LoggedInModel LoggedInModel;

<ToolbarBase @ref="Toolbar" Grid="Grid" ItemRenderStyleMode="ToolbarRenderStyleMode.Plain">
	<DxToolbarItem Text="New" Click="NewItem_Click" IconCssClass="grid-toolbar-new" Enabled="LoggedInModel.IsAdministrator" />
	<DxToolbarItem Text="Edit" Click="EditItem_Click" IconCssClass="grid-toolbar-edit" Enabled="@(LoggedInModel.IsAdministrator && EditItemsEnabled)" />
	<DxToolbarItem Text="Delete" Click="DeleteItem_Click" IconCssClass="grid-toolbar-delete" Enabled="@(LoggedInModel.IsDeveloper && EditItemsEnabled)" />
	<DxToolbarItem Text="Column Chooser" BeginGroup="true" Click="ColumnChooserItem_Click" IconCssClass="grid-toolbar-column-chooser" />
	<DxToolbarItem Text="Export" IconCssClass="grid-toolbar-export" Enabled="@(LoggedInModel.IsAdministrator && EditItemsEnabled)">
		<Items>
			<DxToolbarItem Text="To CSV" Click="ExportCsvItem_Click" />
			<DxToolbarItem Text="To XLSX" Click="ExportXlsxItem_Click" />
			<DxToolbarItem Text="To XLS" Click="ExportXlsItem_Click" />
			<DxToolbarItem Text="To PDF" Click="ExportPdfItem_Click" />
		</Items>
	</DxToolbarItem>
	<DxToolbarItem Text="Reload data" BeginGroup="true" Click="ReloadData_Click" Enabled="@BtnReloadDataEnabled" />
	<DxToolbarItem BeginGroup="true">
	</DxToolbarItem>

	@ToolbarItemsExtended

</ToolbarBase>

@code {
	[Parameter] public IGrid Grid { get; set; }
	[Parameter] public RenderFragment? ToolbarItemsExtended { get; set; }
	[Parameter] public EventCallback<ToolbarItemClickEventArgs> OnReloadDataClick { get; set; }

	public ToolbarBase Toolbar { get; set; }
	const string ExportFileName = "ExportResult";

	private bool _isReloadInProgress;
	private bool _isGridSyncing;
	private IMgGridBase? _mgGrid;

	/// <summary>
	/// Reload button is enabled only when no sync operation is in progress
	/// </summary>
	public bool BtnReloadDataEnabled => !_isReloadInProgress && !_isGridSyncing;
	
	public bool EditItemsEnabled { get; set; } = true;
	private LoggerClient<GridShippingItemTemplate> _logger;

	protected override void OnInitialized()
	{
		_logger = new LoggerClient<GridShippingItemTemplate>(LogWriters.ToArray());
	}

	protected override void OnParametersSet()
	{
		// Subscribe to grid syncing state changes if Grid implements IMgGridBase
		if (Grid is IMgGridBase mgGrid && !ReferenceEquals(_mgGrid, mgGrid))
		{
			// Unsubscribe from previous grid
			if (_mgGrid != null)
			{
				_mgGrid.OnSyncingStateChanged -= OnGridSyncingStateChanged;
			}

			_mgGrid = mgGrid;
			_mgGrid.OnSyncingStateChanged += OnGridSyncingStateChanged;
			
			// Get initial syncing state
			_isGridSyncing = _mgGrid.IsSyncing;
		}
	}

	private void OnGridSyncingStateChanged(bool isSyncing)
	{
		_isGridSyncing = isSyncing;
		InvokeAsync(StateHasChanged);
	}

	public void Dispose()
	{
		if (_mgGrid != null)
		{
			_mgGrid.OnSyncingStateChanged -= OnGridSyncingStateChanged;
		}
	}

	async Task ReloadData_Click(ToolbarItemClickEventArgs e)
	{
		_isReloadInProgress = true;
		try
		{
			await OnReloadDataClick.InvokeAsync();
		}
		finally
		{
			_isReloadInProgress = false;
		}
	}

	async Task NewItem_Click()
	{
		EditItemsEnabled = false;
		await Grid.StartEditNewRowAsync();
	}
	async Task EditItem_Click()
	{
		EditItemsEnabled = false;
		await Grid.StartEditRowAsync(Grid.GetFocusedRowIndex());
	}
	void DeleteItem_Click()
	{
		EditItemsEnabled = false;
		Grid.ShowRowDeleteConfirmation(Grid.GetFocusedRowIndex());
	}

	void ColumnChooserItem_Click(ToolbarItemClickEventArgs e)
	{
		Grid.ShowColumnChooser();
	}
	async Task ExportXlsxItem_Click()
	{
		await Grid.ExportToXlsxAsync(ExportFileName);
	}
	async Task ExportXlsItem_Click()
	{
		await Grid.ExportToXlsAsync(ExportFileName);
	}
	async Task ExportCsvItem_Click()
	{
		await Grid.ExportToCsvAsync(ExportFileName);
	}
	async Task ExportPdfItem_Click()
	{
		await Grid.ExportToPdfAsync(ExportFileName);
	}
}