// Shared canvas size form view-model builder.

function buildDefaultCanvasSize() {
  return {
    id: null,
    name: '',
    width: 1920,
    height: 1080
  };
}

function buildCanvasSizeFormViewModel(canvasSize, message, currentUser, isEdit) {
  const viewCanvasSize = Object.assign(buildDefaultCanvasSize(), canvasSize || {});

  return {
    title: isEdit ? 'Edit canvas size' : 'Add canvas size',
    active: 'canvas-sizes',
    message: message,
    currentUser: currentUser || null,
    canvasSize: viewCanvasSize,
    inUse: Boolean(viewCanvasSize && viewCanvasSize.inUse),
    isEdit: Boolean(isEdit),
    formAction: isEdit && viewCanvasSize ? '/canvas-sizes/' + viewCanvasSize.id : '/canvas-sizes',
    formAttrs: 'data-async-save' + (isEdit ? ' data-async-save-close-url="/canvas-sizes"' : ' data-async-save-new-redirect="response-url"') + ' data-async-save-new-url="/canvas-sizes/new"',
    cancelUrl: '/canvas-sizes',
    deleteUrl: isEdit && viewCanvasSize ? '/canvas-sizes/' + viewCanvasSize.id + '/delete' : '',
    deleteConfirmMessage: 'Delete this canvas size?',
    deleteDisabled: !isEdit || Boolean(viewCanvasSize && viewCanvasSize.inUse)
  };
}

module.exports = {
  buildCanvasSizeFormViewModel: buildCanvasSizeFormViewModel
};