{ userhome, ... }:
let
  romspath = "${userhome}/roms";
  themes = [
    {
      name = "Arcade";
      theme = "arcade";
    }
    {
      name = "BeatThemAll";
      theme = "btmups";
    }
    {
      name = "BestJeuEver";
      theme = "bestjeuever";
    }
    {
      name = "Course";
      theme = "racing";
    }
    {
      name = "Kombat";
      theme = "kombat";
    }
    {
      name = "Plateforme";
      theme = "plateforme";
    }
    {
      name = "Shmup";
      theme = "shmups";
    }
    {
      name = "Sport";
      theme = "sports";
    }
    {
      name = "Versus";
      theme = "versus";
    }
  ];


  system = { name, theme }: ''
    <system>
      <name>${name}</name>
      <fullname>${name}</fullname>
      <path>${romspath}/${name}</path>
      <extension>.zip .nes .cue .rvz</extension>
      <command>bash %ROM%</command>
      <platform>snes</platform>
      <theme>${theme}</theme>
    </system>
  '';

  systems = themes:
    let
      list = builtins.foldl' (global: theme: global + (system theme)) "" themes;
    in ''
      <?xml version="1.0"?>
      <systemList>
        ${list}
      </systemList>
    '';

in {
  environment.etc = {
    "emulationstation/themes/hackens" = {
      source = ./theme;
      mode = "0755";
    };
    "emulationstation/es_systems.cfg" = {
      text = systems themes;
      mode = "0644";
    };
  };
}