import state, { IFile } from '../index';

const languageMapping = {
  'ts': 'typescript',
  'js': 'javascript',
  'md': 'markdown',
  'c': 'c',
  'h': 'c',
  'other': ''
} /* Initializes empty file to global state */
export const createNewFile = (name: string) => {
  const tempName = name.split('.');
  const fileExt = tempName[tempName.length - 1] || 'other';
  const emptyFile: IFile = { name, language: languageMapping[fileExt as 'ts' | 'js' | 'md' | 'c' | 'h' | 'other'], content: "" };
  state.files.push(emptyFile);
  state.active = state.files.length - 1;
};

export const renameFile = (oldName: string, nwName: string) => {
  const file = state.files.find(file => file.name === oldName)
  if (!file) throw Error(`No file exists with name ${oldName}`)

  file.name = nwName
};