module Getch
  module Config
    class Gentoo
      def initialize
        @systemd_net_dir = "#{MOUNTPOINT}/etc/systemd"
      end

      def ethernet
        conf = "#{@systemd_net_dir}/network/20-ethernet.network"
        datas = [
          "[Match]",
          "Name=en*",
          "Name=eth*",
          "[Network]",
          "DHCP=yes",
          "IPv6PrivacyExtensions=yes",
          "[DHCP]",
          "RouteMetric=512",
          "",
        ]
        File.write(conf, datas.join("\n"), mode: 'w')
      end

      def wifi
        conf = "#{@systemd_net_dir}/network/20-wireless.network"
        datas = [
          "[Match]",
          "Name=wlp*",
          "Name=wlan*",
          "[Network]",
          "DHCP=yes",
          "IPv6PrivacyExtensions=yes",
          "[DHCP]",
          "RouteMetric=1024",
          "",
        ]
        File.write(conf, datas.join("\n"), mode: 'w')
      end

      def dns
        conf = "#{@systemd_net_dir}/resolved.conf.d/dns_over_tls.conf"
        datas = [
          "[Resolve]",
          "DNS=9.9.9.9#dns.quad9.net",
          "DNSOverTLS=yes",
          "",
        ]
        Helpers::create_dir("#{@systemd_net_dir}/resolved.conf.d")
        File.write(conf, datas.join("\n"), mode: 'w')

        Getch::Chroot.new('systemctl enable systemd-networkd').run!
        Getch::Chroot.new('systemctl enable systemd-resolved').run!
      end

      def shell
      end
    end
  end
end