{ config, lib, pkgs, nix-matlab, ... }: let
  license-manager = pkgs.stdenv.mkDerivation rec {
    pname = "matlab-license-server";
    version = "R2023b";
    src = pkgs.fetchurl {
      url = "https://ssd.mathworks.com/supportfiles/downloads/${version}/license_manager/${version}/daemons/glnxa64/mathworks_network_license_manager_glnxa64.zip";
      hash = "sha256-Btl3ETzTtAV+cjqwXf4AE4QJCtssN1s6dmmcpR1EQxY=";
    };
    nativeBuildInputs = [
      pkgs.autoPatchelfHook
    ];
    unpackPhase = ''
      ${pkgs.unzip}/bin/unzip $src
    '';
    installPhase = ''
      mkdir $out
      cp -r * $out/
      addAutoPatchelfSearchPath $out/*
    '';
  };
  matlab-server = pkgs.buildFHSUserEnv {
    name = "matlab-server";

    targetPkgs = (ps: nix-matlab.targetPkgs ps ++ [
      license-manager
    ]);

    runScript = pkgs.writeScript "matlab-server" (nix-matlab.shellHooksCommon + ''
      exec $MATLAB_INSTALL_DIR/bin/matlab "$@"
    '');
  };
  matlab-server-shell = pkgs.buildFHSUserEnv {
    name = "matlab-server-shell";

    targetPkgs = (ps: nix-matlab.targetPkgs ps ++ [
      license-manager
    ]);

    runScript = pkgs.writeScript "matlab-server-shell" (nix-matlab.shellHooksCommon + ''
      echo license-server is in:
      echo ${license-manager}
      echo Make sure it is installed (matlab-server user)
      exec bash
    '');
  };
  matlab-mpm = pkgs.stdenv.mkDerivation rec {
    pname = "matlab";
    version = "2023b-u6";
    mpm-version = "2023.12.1";

    src = pkgs.fetchurl {
      url = "https://ssd.mathworks.com/supportfiles/downloads/mpm/${version}/glnxa64/mpm";
      hash = "sha256-NlfPLDnpRIaKLLuIZAudnFHBKL04gzmypzp98QOa6+g=";
    };

    buildInputs = with pkgs; [
      unzip
    ];
    
    unpackPhase = ''
      cp $src ./mpm
      chmod +x ./mpm
      cp ${./matlab/install_file.txt} ./install_file.txt
    '';

    patchPhase = ''
      subtituteAllInPlace ./install_file.txt
    '';
    
    installPhase = ''
      ./mpm install --inputfile ./install_file.txt
    '';

    outputHashAlgo = "sha256";
    outputHashMode = "recursive";
    outputHash = pkgs.lib.fakeSha256;
  };
in {
  environment.systemPackages = (with nix-matlab.packages.x86_64-linux; [
    matlab-mpm
    matlab
    matlab-shell
    matlab-server
    matlab-server-shell
    matlab-mlint
    matlab-mex
  ]) ++ (with pkgs; [
    octaveFull
  ]);
}