# This is the environment that we show for the users.
# Hear me out... I already regrett doing this while writing this, but (l)users
# are not willing to pick up the nix-struggle for the greater benefit. So, here
# I am building this shit that I know will fall apart soon.

{ pkgs, lib, config, ... }:

with lib;

let
  userenv = pkgs.buildEnv {
    name = "userenv";
    paths = with pkgs; [
      autoconf
      automake
      bash
      coreutils
      curl
      fd
      flex
      gcc
      gdb
      git
      gnumake
      hwloc
      (getDev libbfd)
      (getDev libiberty)
      (getDev libtool)
      munge
      nano
      (getBin numactl)
      (getDev numactl)
      openmpi
      openssh
      pandoc
      (getDev papi)
      (getLib papi)
      perl
      pkg-config
      postgresql
      (getDev postgresql)
      (getLib postgresql)
      python3
      ripgrep
      tmux
      (getBin ucx)
      (getDev ucx)
      valgrind
      vim
      wget
      libz

      # tau
    ];

    ignoreCollisions = false;

    inherit (config.environment) pathsToLink extraOutputsToInstall;
  };

in
{
  # environment.systemPackages = [ userenv ];

  environment.extraInit = ''
    if [[ "$(id -gn)" -eq "cluster" ]]; then
      export PKG_CONFIG_PATH="${makeSearchPath "lib/pkgconfig" config.environment.profiles}"
    fi

    # Disable OpenIB for open-mpi as it is depricated and bogous
    export OMPI_MCA_btl='^openib'
  '';

  environment.profiles = [
    "/etc/profiles/per-group/$(id -gn)"
  ];

  environment.etc."userenv" = {
    target = "profiles/per-group/cluster";
    source = userenv;
  };

  systemd.tmpfiles.rules = [
    ''L+ /opt/scalasca - - - - ${pkgs.scalasca}''
    ''L+ /opt/scorep   - - - - ${pkgs.scorep}  ''
  ];
}