{ pkgs, lib, ... }:

{
  imports = [
    ./modules/nix-flatpak.nix
  ];

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # List packages installed in system profile.
  environment.systemPackages = let
    myPythonPackages = ps: with ps; [
      pandas
      statsmodels
      scikit-learn
      sympy
      jupyter-core
      matplotlib
    ];

#    myRPackages = with pkgs.rPackages; [
#      reticulate # wanted by quarto to execute Python when using R.
#      # any other RPackages - you can reuse this list for R and RStudio
#    ];

#    patchedQuarto = (pkgs.quarto.override {
#        extraPythonPackages = myPythonPackages;
#        extraRPackages = myRPackages;
#      }).overrideAttrs (oldAttrs: { # Remove this overrideAttrs patch when fixed. See https://github.com/NixOS/nixpkgs/issues/519484#issuecomment-4667477454
#      postPatch = (oldAttrs.postPatch or "") + ''
#        substituteInPlace bin/quarto.js \
#          --replace-fail "syntax-highlighting" "highlight-style"
#      '';
#    });

#    patchedPicoSdk = (pkgs.pico-sdk.override {
#      withSubmodules = true;
#    });

    patchedVSCodium = (pkgs.vscode-with-extensions.override {
      vscode = pkgs.vscodium;
      vscodeExtensions = with pkgs.vscode-extensions; [
        mads-hartmann.bash-ide-vscode
        twxs.cmake
        bierner.color-info
        ecmel.vscode-html-css
        shd101wyy.markdown-preview-enhanced
        jnoortheen.nix-ide
        arrterian.nix-env-selector
        christian-kohler.path-intellisense
      ] ++ pkgs.vscode-utils.extensionsFromVscodeMarketplace [
        {
          name = "minimal-green";
          publisher = "moldaz";
          version = "0.0.7";
          hash = "sha256-rihLJzq5Zng2Z76qEKHZrYKpSzsQrk5EZzxxjZ8074A=";
        }
        {
          name = "ccls";
          publisher = "ccls-project";
          version = "0.1.32";
          hash = "sha256-sCsRwS2z/jJpHeSuSdcitk39WEzKBiaZgt0gYRpViYU=";
        }
        {
          name = "LiveServer";
          publisher = "ritwickdey";
          version = "5.7.10";
          hash = "sha256-D474GdTCAH8b+zuO+1M+cnluKfBv7mAMdtH7F777W5U=";
        }
        {
          name = "debug";
          publisher = "webfreak";
          version = "0.27.0";
          hash = "sha256-p/k5UcXldXKFKbPbnW603Jsut53n01azeDhWMDSd4nw=";
        }
        {
          name = "teleplot";
          publisher = "alexnesnes";
          version = "1.0.2";
          hash = "sha256-vIPCB17KR35yYJybaSuTn85WNIb32NhXbEptmYn0QuY=";
        }
        {
          name = "toggle-hidden";
          publisher = "adrianwilczynski";
          version = "1.0.2";
          hash = "sha256-ET8qBNtQHyOXB7oJOndkvW5ZqrZjFGZkkAv1CirpWuE=";
        }
        {
          name = "vscode-pdf";
          publisher = "mathematic";
          version = "0.1.11";
          hash = "sha256-h0liigU+oyHkZM9Kn3P8J/9IV8sgYI+fcpHV37WfNjk=";
        }
      ];
    });

    patchedElementDesktop = (pkgs.element-desktop.overrideAttrs (oldAttrs: {
      desktopItems =  [
        ((builtins.elemAt oldAttrs.desktopItems 0).override { startupWMClass = "element"; })
      ];
    }));

    patchedDiscord = (pkgs.discord.override {
      withVencord = true;
    });

  in with pkgs; [
    # System
    gsettings-desktop-schemas
    vulkan-tools
    pciutils
    dmidecode
    alsa-utils
    lshw

    # Utilities
    gparted
    hardinfo2
    fastfetch
    cava
    dconf-editor
    winetricks
    libreoffice-qt
    unzip

    # Games
    eden
    mgba
    prismlauncher

    # Developement
    patchedVSCodium
    nixfmt
    nixd
    nil
    ccls
    scrcpy
    android-tools
    arduino-ide
    (python3.withPackages (myPythonPackages))
#    patchedQuarto
#    (rWrapper.override {packages = myRPackages; })
    unityhub
    godot
    man-pages

    # Electronics
    digital
    kicad

    # Communication
    patchedElementDesktop
    patchedDiscord

    # Art
    reaper
    reaper-reapack-extension
    yabridge
    yabridgectl
    winePackages.yabridge
    krita
    aseprite
    tiled
    amberol
  ];

  # Install other packages.
  programs.firefox.enable = true;
  programs.steam.enable = true;
  programs.git.enable = true;
  programs.htop.enable = true;
  programs.dconf.enable = true;
  documentation.dev.enable = true;
#  services.tailscale.enable = true;

  # Install flatpak.
  services.flatpak.enable = true;

  # Add a new remote. Keep the default one (flathub)
  services.flatpak.remotes = lib.mkOptionDefault [{
    name = "flathub";
    location = "https://dl.flathub.org/repo/flathub.flatpakrepo";
  }];

  # Flatpaks to install
  services.flatpak.packages = [
    "com.github.tchx84.Flatseal"
    "com.jetpackduba.Gitnuro"
    "moe.launcher.the-honkers-railway-launcher"
    "com.obsproject.Studio"
    "com.obsproject.Studio.Plugin.PipeWireAudioCapture"
#    "dev.deedles.Trayscale"
  ];

  # Remove unwanted packages.
  services.xserver.excludePackages = [
    pkgs.xterm
  ];

  # Remove some Gnome packages.
  environment.gnome.excludePackages = with pkgs; [
    epiphany
    cheese
    snapshot
    gnome-software
    gnome-music
    gnome-tour
    yelp
  ];

  # Gsettings
  environment.sessionVariables.XDG_DATA_DIRS = [
    "${pkgs.gsettings-desktop-schemas}/share/gsettings-schemas/${pkgs.gsettings-desktop-schemas.name}"
    "${pkgs.gtk3}/share/gsettings-schemas/${pkgs.gtk3.name}"
  ];
}