{ config, pkgs, username, ... }:
let
  omp = pkgs.stdenv.mkDerivation {
    pname = "oh-my-pi";
    version = "18.0.3";
    src = pkgs.fetchurl {
      url = "https://github.com/can1357/oh-my-pi/releases/download/v18.0.3/omp-linux-x64";
      hash = "sha256-RzNmIGK/tDZOSrOH15QOVqcUPl3BwgcmeH5huxtS3yg=";
    };

    dontUnpack = true;

    installPhase = ''
      mkdir -p $out/bin
      cp $src $out/bin/omp
      chmod +x $out/bin/omp
    '';
  };
in
{
  environment.variables = {
    EDITOR = "nvim";
    XDG_CONFIG_HOME = "$HOME/.config";
    XDG_CACHE_HOME = "$HOME/.cache";
    PATH = [
      "$HOME/.bin"
      "$HOME/.cargo/bin"
      "$HOME/.android-sdk/cmdline-tools/latest/bin"
      "$HOME/.android-sdk/platform-tools"
      "$HOME/.android-sdk/emulator"
    ];
    PKG_CONFIG_PATH = [
      "$HOME/.local/lib/pkgconfig"
      "$HOME/.local/lib64/pkgconfig"
    ];
    LD_LIBRARY_PATH = [
      "$HOME/.local/lib"
      "$HOME/.local/lib64"
      pkgs.stdenv.cc.cc.lib
    ];
    ANDROID_NDK_HOME="$HOME/.android-ndk";
    ANDROID_NDK_ROOT="$HOME/.android-ndk";
    ANDROID_HOME="$HOME/.android-sdk";
  };
  programs.nix-ld.enable = true;

  environment.systemPackages = with pkgs; [
    file
    man-pages-posix
    uutils-coreutils-noprefix
    fd
    bat
    eza
    xh
    hyperfine
    delta
    tokei
    wiki-tui
    bluetui
    tdf

    fastfetch
    pipes
    vim
    dust
    btop
    yazi
    scrcpy
    cava

    wget
    git
    git-lfs
    nmap
    inetutils
    android-tools
    opencode
    sqlite
    bc

    zoxide
    starship
    fzf
    termusic
    lazygit
    lazydocker
    fortune
    cowsay
    lolcat
    just
    process-compose
    ffmpeg
    mpv
    jq
    when
    omp

    termshark
    mitmproxy
    certmitm
    ventoy
    x11vnc.out
  ];
  programs.command-not-found.enable = false;
  fonts.packages = with pkgs; [
    dejavu_fonts
    nerd-fonts.jetbrains-mono
  ];
  xdg.mime.defaultApplications = {
    "application/pdf" = "org.kde.okular.desktop";
  };
}