@page "/Warehouse"

@using Syncfusion.Blazor.Cards
@using Syncfusion.Blazor.Grids
@using SytelineSaAppEfDataModel.Dtos
@using Syncfusion.Blazor.DropDowns
@using FilterType = Syncfusion.Blazor.Grids.FilterType
@using SelectionMode = Syncfusion.Blazor.Grids.SelectionMode
@using Syncfusion.Blazor.Navigations

@inject WarehouseService WarehouseService
@inject NavigationManager NavigationManager

<div class="h-100 d-flex justify-content-center align-items-start">
    <SfCard CssClass="shadow" style="width: 100%; max-width: 1200px;">
        <CardHeader>
            <h3 class="text-primary">Dokumenty WZ na Magazynie</h3>
        </CardHeader>
        <CardContent>
            <h5 class="text-primary mb-3">Klient</h5>
            <SfDropDownList TValue="Guid?" TItem="WzClientDto" DataSource="@_clients" Placeholder="Wybierz Klienta">
                <DropDownListFieldSettings Value="ID" Text="Name"/>
                <DropDownListEvents TValue="Guid?" TItem="WzClientDto" ValueChange="OnValueChange"/>
            </SfDropDownList>
            @if (_isVisible)
            {
                <h5 class="text-primary mb-3">Dokumenty WZ</h5>
                <SfGrid @ref="_grid"
                    AllowFiltering="true"
                    AllowPaging="true"
                    AllowSorting="true"
                    AllowSelection="true"
                    TValue="MaterialTransactionDto"
                    DataSource="@_dataSource"
                    EnableAdaptiveUI="true">
                    <GridColumns>
                        <GridColumn Field=@nameof(MaterialTransactionDto.MTGroupNum) HeaderText="Numer WZ" TextAlign="TextAlign.Center" Width="110"></GridColumn>
                        <GridColumn Field=@nameof(MaterialTransactionDto.CreateDate) HeaderText="Data utworzenia" TextAlign="TextAlign.Center" Width="100"></GridColumn>
                        <GridColumn Field=@nameof(MaterialTransactionDto.RefNum) HeaderText="Numer zamówienia" TextAlign="TextAlign.Center" Width="110"></GridColumn>
                    </GridColumns>
                    <SfToolbar>
                        <ToolbarItems>
                            <ToolbarItem Type="ItemType.Button" Text="Utwórz Packing List" Id="CreatePackingList"
                                         PrefixIcon="e-icons e-save" OnClick="CreatePackingList"/>
                        </ToolbarItems>
                    </SfToolbar>
                    <GridFilterSettings Type="FilterType.Excel"/>
                    <GridPageSettings PageSize="10" PageSizes="@(new[] { 10, 20, 50, 100 })"/>
                    <GridSelectionSettings Mode="SelectionMode.Row" Type="SelectionType.Multiple"/>
                </SfGrid>
            }
        </CardContent>
        <CardFooter>
            <small class="text-muted">FA Krosno Manager © @(DateTime.Now.Year)</small>
        </CardFooter>
    </SfCard>
</div>

@code {
    private SfGrid<MaterialTransactionDto> _grid;
    private IEnumerable<WzClientDto> _clients = new List<WzClientDto>();
    private IEnumerable<MaterialTransactionDto> _materialTransactions = new List<MaterialTransactionDto>();
    private IEnumerable<MaterialTransactionDto> _dataSource = new List<MaterialTransactionDto>();
    
    private WzClientDto? _selectedClient;

    bool _isVisible = false;
    
    protected override async Task OnAfterRenderAsync(bool firstRender)
    {
        if (firstRender)
        {
            _clients = await WarehouseService.GetAllClientsAsync();
            StateHasChanged();
        }
    }
    
    private async Task OnValueChange(ChangeEventArgs<Guid?, WzClientDto> args)
    {
        if (args.Value.HasValue)
        {
            _selectedClient = args.ItemData;
            _isVisible = true;
            _materialTransactions = await WarehouseService.GetAllClientWzsAsync(_selectedClient.CustomerNumber, _selectedClient.CustomerSequence ?? 0);
            _dataSource = _materialTransactions.GroupBy(x => x.MTGroupNum).Select(x => x.First()).ToList();
        }
        else
        {
            _selectedClient = null;
            _isVisible = false;
        }
        
        StateHasChanged();
    }
    
    private async Task CreatePackingList()
    {
        var selectedRecords = await _grid.GetSelectedRecordsAsync();
        if (selectedRecords.Any())
        {
            WzHeaderDto wzHeader = new WzHeaderDto
            {
                ID = Guid.NewGuid(),
                FK_Client = _selectedClient?.ID
            };

            await WarehouseService.CreateWzHeaderAsync(wzHeader);

            switch (_selectedClient?.Name.ToUpper())
            {
                case "MEYLE":
                    IList<WzRowMeyleDto> rows = new List<WzRowMeyleDto>();
                    IList<MaterialTransactionDto> materialTransactions = _materialTransactions.Where(x => selectedRecords.Any(y => y.MTGroupNum == x.MTGroupNum)).ToList();
                    
                    foreach (MaterialTransactionDto materialTransactionDto in materialTransactions)
                    {
                        CustomerOrderDto customerOrder = await WarehouseService.GetCustomerOrder(materialTransactionDto.RefNum ?? string.Empty);
                        ItemCustDto item = await WarehouseService.GetItem(materialTransactionDto.Item ?? string.Empty, customerOrder.CustNum);
                        
                        rows.Add(new WzRowMeyleDto
                        {
                            ID = Guid.NewGuid(),
                            Quantity = Math.Abs((int?)materialTransactionDto.Qty ?? 0),
                            ItemNumber = item.CustItem,
                            OrderNumber = customerOrder.CustPo,
                            WzNumber = materialTransactionDto.MTGroupNum ?? string.Empty,
                            FK_Header = wzHeader.ID
                        });
                    }

                    await WarehouseService.CreateWzRowsMeyleAsync(rows);
                    break;
            }
            
            NavigationManager.NavigateTo("/Warehouse/PackList/" + wzHeader.ID);
        }
    }
}