@using MP.SPEC.Data
<div class="modal-dialog shadow">
    <div class="modal-content p-2">
        <div class="modal-title border-bottom">
            <div class="d-flex justify-content-between">
                <div class="px-1">
                    <h5>Selezione Operatori</h5>
                </div>
                <div class="px-1">
                    <button class="btn btn-outline-dark" @onclick="() => DoClose()"><i class="fa-solid fa-xmark"></i></button>
                </div>
            </div>
            <div class="px-0 mt-1 mb-2">
                <div class="input-group">
                    <span class="input-group-text"><i class="fa fa-search"></i></span>
                    <input type="text" class="form-control" placeholder="Search Ctr-R" @bind="@SearchVal" accesskey="R">
                    <button class="btn @btnSearchCss" @onclick="ResetSearch"><i class="fa fa-ban"></i></button>
                </div>
            </div>
        </div>
        <div class="modal-body p-1">
            @if (ListRecords == null || ListRecords.Count == 0)
            {
                <div class="alert alert-warning text-center display-6">
                    Nessun Operatore da aggiungere
                </div>
            }
            else
            {
                <table class="table table-sm table-striped small">
                    <thead>
                        <tr>
                            <th></th>
                            <th><i class="fa-solid fa-key"></i> Cod.Macc</th>
                            <th><i class="fa-solid fa-object-group"></i> Descrizione</th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach (var record in ListRecords)
                        {
                            <tr>
                                <td>
                                    <button @onclick="() => DoAdd(record)" class="btn btn-primary btn-sm" title="Seleziona Record"><i class="bi bi-search"></i></button>
                                </td>
                                <td>
                                    <div>@record.MatrOpr</div>
                                </td>
                                <td>
                                    <div>@record.Cognome @record.Nome</div>
                                </td>
                            </tr>
                        }
                    </tbody>
                </table>
            }
            @if (totalCount > numRecord)
            {
                <DataPager PageSize="numRecord" currPage="currPage" numRecordChanged="SetNumRec" numPageChanged="SetNumPage" totalCount="totalCount" showLoading="isLoading" />
            }
        </div>
    </div>
</div>

@code {


    [Parameter]
    public List<AnagOperatoriModel>? AllRecords { get; set; } = null;

    [Parameter]
    public EventCallback<bool> EC_Close { get; set; }
    [Parameter]
    public EventCallback<AnagOperatoriModel> EC_ReqAdd { get; set; }


    private int numRecord = 5;
    protected string SearchVal
    {
        get => searchVal;
        set
        {
            if (searchVal != value)
            {
                searchVal = value;
                UpdateTable();
            }
        }
    }
    private string searchVal = "";
    private int totalCount = 0;
    private int currPage = 1;
    private bool isLoading = false;
    private List<AnagOperatoriModel>? ListRecords;


    private string btnSearchCss
    {
        get => string.IsNullOrWhiteSpace(SearchVal) ? "btn-secondary" : "btn-primary";
    }

    private void ResetSearch()
    {
        SearchVal = "";
    }

    protected override void OnParametersSet()
    {
        numRecord = 10;
        UpdateTable();
    }

    private void UpdateTable()
    {
        ListRecords?.Clear();
        totalCount = 0;
        if (AllRecords != null)
        {
            List<AnagOperatoriModel> tmpList = new List<AnagOperatoriModel>(AllRecords);
            // verifico ricerca
            if (!string.IsNullOrEmpty(SearchVal))
            {
                tmpList = AllRecords.Where(x => x.Cognome.Contains(SearchVal, StringComparison.InvariantCultureIgnoreCase) || x.Nome.Contains(SearchVal, StringComparison.InvariantCultureIgnoreCase)).ToList();
            }
            ListRecords = tmpList
                            .Skip(numRecord * (currPage - 1))
                            .Take(numRecord)
                            .ToList();
            totalCount = tmpList.Count;
        }
    }

    protected void SetNumPage(int newNum)
    {
        currPage = newNum;
        UpdateTable();
    }

    protected void SetNumRec(int newNum)
    {
        currPage = 1;
        numRecord = newNum;
        UpdateTable();
    }

    private async Task DoClose()
    {
        await EC_Close.InvokeAsync(true);
    }

    private async Task DoAdd(AnagOperatoriModel currRec)
    {
        // sollevo evento richiesta aggiunta ...
        await EC_ReqAdd.InvokeAsync(currRec);
    }
}