{ config, lib, pkgs, ... }:
let
  inherit (import ./settings.nix) user font scheme;
in {
  wsl = {
    enable = true;
    defaultUser = user;
    useWindowsDriver = true;
  };

  users.users.${user}.extraGroups = [ "audio" "video" ];

  nix = {
    settings = {
      experimental-features = [ "nix-command" "flakes" ];
      trusted-users = [ user ];
    };
  };

  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
  boot.supportedFilesystems = [ "ntfs" "nfs" ];
  boot.kernelParams = [ "mitigations=off" ];

  nixpkgs.config.allowUnfree = true;
  hardware.enableRedistributableFirmware = true;

  networking.hostName = "wsl-dev";
  networking.firewall.enable = false;

  services.pulseaudio.enable = true;

  xdg.portal = {
    enable = true;
    extraPortals = [ pkgs.xdg-desktop-portal-gtk ];
    config.common.default = "*";
  };

  environment.systemPackages = with pkgs; [
    git
    htop
    neovim
    kitty
    pavucontrol
    glxinfo
    neofetch
    cmatrix
  ];

  # @TEMP: https://github.com/nix-community/NixOS-WSL/issues/650
  # Needed for Wayland.
  systemd.services."user-runtime-dir@" = {
    overrideStrategy = "asDropin";
    serviceConfig.ExecStart = [
      "" # unset old value
      "${pkgs.coreutils}/bin/true"
    ];
  };

  fonts = {
    fontDir.enable = true;
    packages = with pkgs; [
      corefonts
      vistafonts
      noto-fonts
      noto-fonts-extra
      noto-fonts-cjk-sans
      noto-fonts-cjk-serif
      noto-fonts-emoji-blob-bin
      ubuntu_font_family
    ];
    fontconfig = {
      enable = true;
      includeUserConf = false;
      antialias = true;
      hinting.enable = true;
      allowBitmaps = true;
      subpixel = {
        rgba = "rgb";
        lcdfilter = "default";
      };
      defaultFonts = {
        serif = [ "Ubuntu Light" ];
        sansSerif = [ "Ubuntu Light" ];
        monospace = [ font.name ];
        emoji = [ "Blobmoji" ];
      };
    };
  };

  environment.sessionVariables = {
    TERMINAL = "kitty";
  };

  home-manager.users.${user} = let
    homeDir = "${config.users.users.${user}.home}";
  in {
    programs.bash = {
      enable = true;
      enableCompletion = false;
      initExtra = ''
        PS1="\u@\H:\w > "
      '';
    };
    programs.kitty = {
      enable = true;
      font = {
        name = font.name;
        size = font.size;
      };
      shellIntegration = {
        mode = "enabled";
        enableBashIntegration = true;
      };
      extraConfig = ''
        shell ${pkgs.bashInteractive}/bin/bash --login
        update_check_interval 0
        confirm_os_window_close 0
        enable_audio_bell no
        allow_remote_control yes
        linux_display_server x11
        initial_window_width 800
        initial_window_height 600
        remember_window_size yes
        placement_strategy top-left
        disable_ligatures always
        modify_font baseline ${font.baseline}
        cursor #${scheme.foreground}
        foreground #${scheme.foreground}
        background #${scheme.background}
        color0 #${scheme.color0}
        color1 #${scheme.color1}
        color2 #${scheme.color2}
        color3 #${scheme.color3}
        color4 #${scheme.color4}
        color5 #${scheme.color5}
        color6 #${scheme.color6}
        color7 #${scheme.color7}
        color8 #${scheme.color8}
        color9 #${scheme.color9}
        color10 #${scheme.color10}
        color11 #${scheme.color11}
        color12 #${scheme.color12}
        color13 #${scheme.color13}
        color14 #${scheme.color14}
        color15 #${scheme.color15}
        selection_foreground #${scheme.background}
        selection_background #${scheme.color6}
        mark1_foreground #${scheme.background}
        mark1_background #${scheme.color5}
        mark2_foreground #${scheme.background}
        mark2_background #${scheme.color6}
        mark3_foreground #${scheme.background}
        mark3_background #${scheme.color4}
        background_opacity 0.965
      '';
    };
    programs.neovim = {
      enable = true;
      viAlias = true;
      vimAlias = true;
    };
    home.stateVersion = "${config.system.stateVersion}";
  };

  system.stateVersion = "25.05";
}