import * as regTypes from './typings/native-reg';
if (process.platform === 'win32') {
  try {
    // eslint-disable-next-line no-var, @typescript-eslint/no-var-requires
    var Registry: typeof regTypes = require('native-reg');
  } catch (err) {
    console.error(err);
  }
}

const appPath = `"${process.execPath}"`;
const regKey = `Software\\Classes\\Directory\\background\\shell\\Hyper`;
const regParts = [
  {key: 'command', name: '', value: `${appPath} "%V"`},
  {name: '', value: 'Open Hyper here'},
  {name: 'Icon', value: `${appPath}`}
];

function addValues(hyperKey: regTypes.HKEY, commandKey: regTypes.HKEY, callback: Function) {
  try {
    Registry.setValueSZ(hyperKey, regParts[1].name, regParts[1].value);
  } catch (error) {
    console.error(error);
  }
  try {
    Registry.setValueSZ(hyperKey, regParts[2].name, regParts[2].value);
  } catch (err) {
    console.error(err);
  }
  try {
    Registry.setValueSZ(commandKey, regParts[0].name, regParts[0].value);
  } catch (err_) {
    console.error(err_);
  }
  callback();
}

export const add = (callback: Function) => {
  try {
    const hyperKey =
      Registry.openKey(Registry.HKCU, regKey, Registry.Access.ALL_ACCESS) ||
      Registry.createKey(Registry.HKCU, regKey, Registry.Access.ALL_ACCESS);
    const commandKey =
      Registry.openKey(Registry.HKCU, `${regKey}\\${regParts[0].key}`, Registry.Access.ALL_ACCESS) ||
      Registry.createKey(Registry.HKCU, `${regKey}\\${regParts[0].key}`, Registry.Access.ALL_ACCESS);
    addValues(hyperKey, commandKey, callback);
    Registry.closeKey(hyperKey);
    Registry.closeKey(commandKey);
  } catch (error) {
    console.error(error);
  }
};

export const remove = (callback: Function) => {
  try {
    Registry.deleteTree(Registry.HKCU, regKey);
  } catch (err) {
    console.error(err);
  }
  callback();
};