const path = require('path');

module.exports = {
  tags: async (tln) => [],
  options: async (tln) => [],
  env: async (tln, env) => {
    env.FLUTTER_HOME = env.TLN_COMPONENT_HOME;
    env.PATH = [path.join(env.TLN_COMPONENT_HOME, 'bin'), env.PATH].join(path.delimiter);
  },
  dotenvs: async (tln) => [],
  inherits: async (tln) => [],
  depends: async (tln) => [],
  steps: async (tln) => [
    {
      id: 'install',
      filter: '',
      builder: async (tln, script) => {
        const id = script.env.TLN_COMPONENT_ID;
        const home = script.env.TLN_COMPONENT_HOME;
        const {name, version} = tln.unpackId(id);
        //
        const base = 'https://storage.googleapis.com/flutter_infra_release/releases/stable/';
        if (version && tln.canInstallComponent(tln, id, home)) {
          script.set(tln.getDownloadScript(tln, 
            {
              linux: {

                name: `flutter_linux_${version}-stable.tar.xz`,
                opts: null,
                url: `${base}linux/flutter_linux_${version}-stable.tar.xz`
              },
              darwin: {
                name: `flutter_macos_${version}-stable.zip`,
                opts: { src: `flutter`, flt:`*`, dest:`.`, rmv: `flutter` },
                url: `${base}macos/flutter_macos_${version}-stable.zip`
              },
              win32: {

                name: `flutter_windows_${version}-stable.zip`,
                opts: null,
                url: `${base}windows/flutter_windows_${version}-stable.tar.xz`
              }
            }
          ));
        }
      }
    }
  ],
  components: async (tln) => require('./components.js')
}