@page "/Warehouse"

@using Blazored.LocalStorage
@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
@using Syncfusion.Blazor.Popups

@inject WarehouseService WarehouseService
@inject NavigationManager NavigationManager
@inject ILocalStorageService LocalStorage

<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 @ref="_dropdown" TValue="Guid?" TItem="WzClientDto" DataSource="@_clients" Placeholder="Wybierz Klienta">
                <DropDownListFieldSettings Value="ID" Text="Name"/>
                <DropDownListEvents TValue="Guid?" TItem="WzClientDto" ValueChange="OnValueChange"/>
            </SfDropDownList>
            @if (_isVisible)
            {
                <SfCard CssClass="shadow" style="width: 100%; max-width: 1200px;">
                    <CardHeader>
                        <h5 class="text-primary mb-3">Dokumenty WZ</h5>
                    </CardHeader>
                    <CardContent>
                        <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="5"/>
                            <GridSelectionSettings Mode="SelectionMode.Row" Type="SelectionType.Multiple"/>
                        </SfGrid>
                    </CardContent>
                </SfCard>
                <SfCard CssClass="shadow" style="width: 100%; max-width: 1200px;">
                    <CardHeader>
                        <h5 class="text-primary mb-3">Packling Listy</h5>
                    </CardHeader>
                    <CardContent>
                        <SfGrid AllowFiltering="true"
                                AllowPaging="true"
                                AllowSorting="true"
                                AllowSelection="true"
                                TValue="WzHeaderDto"
                                DataSource="@_wzHeaders"
                                EnableAdaptiveUI="true">
                            <GridColumns>
                                <GridColumn Field=@nameof(WzHeaderDto.ID) HeaderText="ID" TextAlign="TextAlign.Center" Width="110"></GridColumn>
                                <GridColumn Field=@nameof(WzHeaderDto.WzNumbers) HeaderText="Numery WZ" TextAlign="TextAlign.Center" Width="100"></GridColumn>
                                <GridColumn Field=@nameof(WzHeaderDto.CreatedDate) HeaderText="Data utworzenia" TextAlign="TextAlign.Center" Width="100"></GridColumn>
                            </GridColumns>
                            <GridFilterSettings Type="FilterType.Excel"/>
                            <GridPageSettings PageSize="5"/>
                            <GridSelectionSettings Mode="SelectionMode.Row" Type="SelectionType.Single"/>
                            <GridEvents TValue="WzHeaderDto" OnRecordDoubleClick="OnRowDoubleClick"/>
                        </SfGrid>
                    </CardContent>
                </SfCard>
            }
        </CardContent>

        <SfDialog Width="500px" Title="Informacja" IsModal="true" @bind-Visible="Visibility" AllowPrerender="true">
            <DialogTemplates>
                <Content>
                    <p>Błąd: Zaznacz przynajmniej jeden rekord, żeby wygenerowac Pack List!</p>
                </Content>
            </DialogTemplates>
            <DialogButtons>
                <DialogButton Content="OK" IsPrimary="true" OnClick="@HideModal"/>
            </DialogButtons>
        </SfDialog>

        <SfDialog Width="500px" Title="Błąd" IsModal="true" @bind-Visible="VisibilityError" AllowPrerender="true">
            <DialogTemplates>
                <Content>
                    <p>Błąd: Dla zaznaczonego rekordu istnieje już PackingList!</p>
                </Content>
            </DialogTemplates>
            <DialogButtons>
                <DialogButton Content="OK" IsPrimary="true" OnClick="@HideModal"/>
            </DialogButtons>
        </SfDialog>
        
        <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 IEnumerable<WzHeaderDto> _wzHeaders = new List<WzHeaderDto>();
    
    private WzClientDto? _selectedClient;

    private WzHeaderDto? _selectedHeader;
    private SfDropDownList<Guid?, WzClientDto> _dropdown;
    private bool _isVisible;
    
    private bool Visibility { get; set; }
    private bool VisibilityError { get; set; }

    protected override async Task OnAfterRenderAsync(bool firstRender)
    {
        if (firstRender)
        {
            _clients = await WarehouseService.GetAllClientsAsync();
            _clients = _clients.Where(x => x.Name.Equals("MEYLE", StringComparison.OrdinalIgnoreCase));
            
            StateHasChanged();
            
            var savedClientId = await LocalStorage.GetItemAsync<Guid?>("SelectedClientId");
            
            if (savedClientId != null && _clients.FirstOrDefault(c => c.ID == savedClientId) is {} savedClient)
            {
                await OnValueChange(new ChangeEventArgs<Guid?, WzClientDto>() { Value = savedClient.ID });
                StateHasChanged();
            }            
        }
    }
    
    private async Task OnValueChange(ChangeEventArgs<Guid?, WzClientDto> args)
    {
        if (args.Value.HasValue)
        {
            _selectedClient = args.ItemData ?? _clients.FirstOrDefault(x => x.ID == args.Value);

            if (_selectedClient == null) { return; }

            _isVisible = true;
            _materialTransactions = await WarehouseService.GetAllClientWzsAsync(_selectedClient.CustomerNumber, _selectedClient.CustomerSequence ?? 0);
            _dataSource = _materialTransactions.GroupBy(x => x.MTGroupNum).Select(x => x.First()).ToList();
            _wzHeaders = await WarehouseService.GetAllClientWzHeadersAsync(_selectedClient.CustomerNumber, _selectedClient.CustomerSequence ?? 0);
            
            await LocalStorage.SetItemAsync("SelectedClientId", _selectedClient.ID);
            
            _dropdown.Value = _selectedClient.ID;
        }
        else
        {
            _selectedClient = null;
            _isVisible = false;
        }
        
        StateHasChanged();
    }
    
    private void OnRowDoubleClick(RecordDoubleClickEventArgs<WzHeaderDto> obj)
    {
        Guid headerId = obj.RowData.ID;

        NavigationManager.NavigateTo("/Warehouse/PackList/" + headerId);
    }

    private async Task CreatePackingList()
    {
        var selectedRecords = await _grid.GetSelectedRecordsAsync();

        if (!selectedRecords.Any())
        {
            Visibility = true;
            return;
        }

        string wzNumbers = string.Join(", ",selectedRecords.Select(x => x.MTGroupNum).Distinct());

        if (_wzHeaders.Any(x => x.WzNumbers == wzNumbers))
        {
            VisibilityError = true;
            return;
        }
        
        WzHeaderDto wzHeader = new WzHeaderDto
        {
            ID = Guid.NewGuid(),
            FK_Client = _selectedClient?.ID,
            CreatedDate = DateTime.Now,
            WzNumbers = wzNumbers
        };

        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,
                        TransactionNumber = (int?)materialTransactionDto.TransNum ?? 0,
                        PartNumberSl = materialTransactionDto.NR_KARTY_KONTROLNEJ,
                        FaIndex = item.Item
                    });
                }

                await WarehouseService.CreateWzRowsMeyleAsync(rows);
                break;
        }

        NavigationManager.NavigateTo("/Warehouse/PackList/" + wzHeader.ID);
    }
    
    private void HideModal()
    {
        Visibility = false;
        VisibilityError = false;
    }
}