import { $getRoot, EditorState } from 'lexical'

export function truncateString(string: string, limit: number) {
  if (string.length <= limit) {
    return string
  } else {
    return string.substring(0, limit) + '...'
  }
}

export function handleEditorChange(
  editorState: EditorState,
  previewLength?: number,
  onChange?: (value: string, previewText: string) => void,
) {
  const childrenNodes = $getRoot().getAllTextNodes().slice(0, 2)
  let previewText = ''
  childrenNodes.forEach((node, index) => {
    previewText += node.getTextContent()
    if (index !== childrenNodes.length - 1) {
      previewText += '\n'
    }
  })

  if (previewLength) {
    previewText = truncateString(previewText, previewLength)
  }

  try {
    const stringifiedEditorState = JSON.stringify(editorState.toJSON())
    onChange?.(stringifiedEditorState, previewText)
  } catch (error) {
    window.alert(
      `An invalid change was made inside the Super editor. Your change was not saved. Please report this error to the team: ${error}`,
    )
  }
}