unit BestaandePalletScherm;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, DrieKnoppenScherm, Vcl.ActnList,
  Vcl.StdCtrls, Vcl.ExtCtrls;

type
  TfmBestaandePalletScherm = class(TfmDrieKnoppenScherm)
    lblBestaandePallet: TLabel;
    btnHuidigeToelevering: TButton;
    btnRework: TButton;
    btnExtraToelevering: TButton;
    btnTerug: TButton;
    procedure FormShow(Sender: TObject);
    procedure btnExtraToeleveringClick(Sender: TObject);
    procedure btnReworkClick(Sender: TObject);
    procedure btnHuidigeToeleveringClick(Sender: TObject);
    procedure btnTerugClick(Sender: TObject);
  private
    function BepaalAantalToeleveringenOpPallet(PalletCode: string): integer;
  public
    { Public declarations }
  end;

var
  fmBestaandePalletScherm: TfmBestaandePalletScherm;

implementation

uses
  UiContext, DnaCodeService, Agent, ProScanMain;

{$R *.dfm}

procedure TfmBestaandePalletScherm.btnExtraToeleveringClick(Sender: TObject);
begin
  inherited;
  UiContext.Toelevering := '';
  (Self.Parent.Parent As TfmProScanHoofdscherm).NavigeerNaar(mrDnaCode);
end;

procedure TfmBestaandePalletScherm.btnHuidigeToeleveringClick(Sender: TObject);
begin
  inherited;
  (Self.Parent.Parent As TfmProScanHoofdscherm).NavigeerNaar(mrDnaCode);
end;

procedure TfmBestaandePalletScherm.btnReworkClick(Sender: TObject);
begin
  inherited;
  if (BepaalAantalToeleveringenOpPallet(UiContext.Pallet) = 1) then begin
    UiContext.Toelevering := TAgent.Create(UiContext).ZoekViaPalletCode(UiContext.Pallet).DnaCodes[0].Toelevering;
  end else if (BepaalAantalToeleveringenOpPallet(UiContext.Pallet) > 1) then begin
    UiContext.Toelevering := '';
  end;

  (Self.Parent.Parent As TfmProScanHoofdscherm).NavigeerNaar(mrDnaCode);
end;

procedure TfmBestaandePalletScherm.btnTerugClick(Sender: TObject);
begin
  inherited;
  (Self.Parent.Parent As TfmProScanHoofdscherm).NavigeerNaar(mrPallet);
end;

procedure TfmBestaandePalletScherm.FormShow(Sender: TObject);
begin
  btnLinksOnder.Action := actPallet;
  btnCentraalOnder.Action := actHome;
  btnRechtsOnder.Action := nil;
  lblBestaandePallet.Caption := 'Bestaande pallet: '+UiContext.Pallet;
  inherited;
end;

function TfmBestaandePalletScherm.BepaalAantalToeleveringenOpPallet(
  PalletCode: string): integer;
var
  Response: ZoekViaPalletCodeResponse;
  DnaCodeTeller: integer;
  ToeleveringStringList: TStringList;
begin
  Response := TAgent.Create(UiContext).ZoekViaPalletCode(UiContext.Pallet);
  DnaCodeTeller := 0;
  try
    if Response.Header.Status = '200' then begin
      ToeleveringStringList := TStringList.Create;
      ToeleveringStringList.Sorted := true;
      ToeleveringStringList.Duplicates := dupIgnore;
      while DnaCodeTeller < length(Response.DnaCodes) do begin
        ToeleveringStringList.Add(Response.DnaCodes[DnaCodeTeller].Toelevering);
        DnaCodeTeller := DnaCodeTeller + 1;
      end;
      result := ToeleveringStringList.Count;
    end else begin
      ToonPopupScherm(Response.Header.Omschrijving, 'Probeer opnieuw','');
      result := -1;
    end;
  finally
    Response.Free;
  end;
end;

end.