unit frm_Inventarios;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ExtCtrls, Vcl.StdCtrls, Vcl.Grids,
  Vcl.DBGrids, Data.DB, Vcl.Buttons, uAppTheme, FireDAC.Stan.Param, FireDAC.Comp.Client,
  frm_BaseList;

type
  TfrmInventarios = class(TfrmBaseList)
    procedure FormShow(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure btnRefreshClick(Sender: TObject); override;
    procedure btnNewClick(Sender: TObject); override;
    procedure btnEditClick(Sender: TObject); override;
    procedure btnDeleteClick(Sender: TObject); override;
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frmInventarios: TfrmInventarios;

implementation

uses
  dmg_Main, frm_InventariosEditor, uDbErrorHandler;

{$R *.dfm}

procedure TfrmInventarios.FormShow(Sender: TObject);
begin
  inherited;
  frmInventarios := Self;
  OnDestroy := FormDestroy;
  pnlSearch.Visible := True;
  lblSearch.Caption := 'Buscar Inventario:';
end;

procedure TfrmInventarios.FormDestroy(Sender: TObject);
begin
  if frmInventarios = Self then
    frmInventarios := nil;
end;

procedure TfrmInventarios.btnRefreshClick(Sender: TObject);
var
  LSql: string;
begin
  FQryMain.Close;
  LSql := 'SELECT id, fecha, descripcion, regularizado, fecha_regularizacion ' +
          'FROM ge_inventarios ' +
          'WHERE id_empresa = :emp ';
          
  if Trim(edtSearch.Text) <> '' then
  begin
    LSql := LSql + 'AND (descripcion LIKE :search) ';
  end;
  LSql := LSql + 'ORDER BY fecha DESC, id DESC';
  
  FQryMain.SQL.Text := LSql;
  FQryMain.ParamByName('emp').AsString := dmgMain.CurrentCompanyId;
  
  if Trim(edtSearch.Text) <> '' then
    FQryMain.ParamByName('search').AsString := '%' + Trim(edtSearch.Text) + '%';
    
  FQryMain.Open;
  
  dbGridMain.Columns.Clear;
  with dbGridMain.Columns.Add do
  begin
    FieldName := 'id';
    Title.Caption := 'ID';
    Width := 60;
  end;
  with dbGridMain.Columns.Add do
  begin
    FieldName := 'fecha';
    Title.Caption := 'Fecha';
    Width := 100;
  end;
  with dbGridMain.Columns.Add do
  begin
    FieldName := 'descripcion';
    Title.Caption := 'Descripción';
    Width := 300;
  end;
  with dbGridMain.Columns.Add do
  begin
    FieldName := 'regularizado';
    Title.Caption := 'Regularizado';
    Width := 90;
  end;
  with dbGridMain.Columns.Add do
  begin
    FieldName := 'fecha_regularizacion';
    Title.Caption := 'F. Regularización';
    Width := 140;
  end;
end;

procedure TfrmInventarios.btnEditClick(Sender: TObject);
begin
  if FQryMain.IsEmpty then Exit;
  
  if not Assigned(frmInventariosEditor) then
    Application.CreateForm(TfrmInventariosEditor, frmInventariosEditor);
  
  frmInventariosEditor.ParentForm := Self;
  frmInventariosEditor.InventarioId := FQryMain.FieldByName('id').AsString;
  if frmInventariosEditor.ShowModal = mrOk then
    btnRefreshClick(nil);
end;

procedure TfrmInventarios.btnNewClick(Sender: TObject);
begin
  if not Assigned(frmInventariosEditor) then
    Application.CreateForm(TfrmInventariosEditor, frmInventariosEditor);
  
  frmInventariosEditor.ParentForm := Self;
  frmInventariosEditor.InventarioId := '';
  if frmInventariosEditor.ShowModal = mrOk then
    btnRefreshClick(nil);
end;

procedure TfrmInventarios.btnDeleteClick(Sender: TObject);
begin
  if FQryMain.IsEmpty then Exit;
  
  if FQryMain.FieldByName('regularizado').AsInteger <> 0 then
  begin
    ShowMessage('No se puede eliminar un inventario que ya ha sido regularizado.');
    Exit;
  end;
  
  if MessageDlg('¿Está seguro de que desea eliminar este inventario? Se borrarán todas sus líneas de detalle.', 
                mtConfirmation, [mbYes, mbNo], 0) = mrYes then
  begin
    try
      dmgMain.qryExec.Close;
      dmgMain.qryExec.SQL.Text := 'DELETE FROM ge_inventarios WHERE id = :id';
      dmgMain.qryExec.ParamByName('id').AsString := FQryMain.FieldByName('id').AsString;
      dmgMain.qryExec.ExecSQL;
      btnRefreshClick(nil);
    except
      on E: Exception do
        TDbErrorHandler.HandleException(E, 'Error al eliminar el inventario');
    end;
  end;
end;

end.