# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running 'nixos-help').

{ config, pkgs, ... }:

{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
    ];

  # Bootloader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # Splash screen
  boot.plymouth = {
    enable = true;
  };

  networking.hostName = "nixos-sparrow-lt";
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  # Enable networking
  networking.networkmanager.enable = true;

  # Set your time zone.
  time.timeZone = "Europe/London";

  # Select internationalisation properties.
  i18n.defaultLocale = "en_GB.UTF-8";

  i18n.extraLocaleSettings = {
    LC_ADDRESS        = "en_GB.UTF-8";
    LC_IDENTIFICATION = "en_GB.UTF-8";
    LC_MEASUREMENT    = "en_GB.UTF-8";
    LC_MONETARY       = "en_GB.UTF-8";
    LC_NAME           = "en_GB.UTF-8";
    LC_NUMERIC        = "en_GB.UTF-8";
    LC_PAPER          = "en_GB.UTF-8";
    LC_TELEPHONE      = "en_GB.UTF-8";
    LC_TIME           = "en_GB.UTF-8";
  };

  # Configure keymap in X11
  services.xserver.xkb = {
    layout = "gb";
    variant = "";
  };

  # Configure console keymap
  console.keyMap = "uk";

  nixpkgs = {
    config = {
      allowUnfree = true;
      packageOverrides = pkgs: {
        unstable = import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz") {};
      };
    };
  };

  # Enable sound with pipewire.
  sound.enable = true;
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
  };

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment = {
    systemPackages = with pkgs; [
      curl
      gcc
      git
      gnumake
      htop
      jq
      lesspipe
      vim
    ];

    variables = rec {
      # Tools
      BROWSER         = "firefox";
      EDITOR          = "nvim";
      MANPAGER        = "nvim +Man!";

      # XDG Home Directories
      XDG_CACHE_HOME  = "$HOME/.local/cache";
      XDG_CONFIG_HOME = "$HOME/.local/config";
      XDG_DATA_HOME   = "$HOME/.local/data";
      XDG_STATE_HOME  = "$HOME/.local/state";

      LOG_HOME        = "${XDG_STATE_HOME}/logs";

      # Bash history configuration
      HISTFILE       = "${XDG_STATE_HOME}/bash/history";
      HISTCONTROL    = "ignoreboth";
      HISTFILESIZE   = "10000";
      HISTSIZE       = "1000";
      HISTTIMEFORMAT = "%d/%m/%y %T: ";

      # Less history configuration
      LESSHISTFILE = "${XDG_STATE_HOME}/less/history";

      # GNUPG Configuration
      GNUPGHOME = "${XDG_DATA_HOME}/gnupg";

      # Go configuration
      GOPATH      = "${XDG_DATA_HOME}/go";
      GOROOT      = "$HOME/.local/opt/go";
      GOBIN       = "$HOME/.local/goblin";
      GOOS        = "linux";
      GOARCH      = "amd64";
      CGO_ENABLED = "0";

      # Magefile configuration
      MAGEFILE_CACHE        = "${XDG_CACHE_HOME}/magefile";
      MAGEFILE_ENABLE_COLOR = "true";

      # Docker environment variables
      DOCKER_CONFIG = "${XDG_CONFIG_HOME}/docker";
    };

    localBinInPath = true;

    shellAliases = {
      ls = "ls --color=auto";
      ll = "ls -laF";
      la = "ls -A";
      l  = "ls -CF";

      rm = "rm -i";
      mv = "mv -i";
      cp = "cp -i";

      grep  = "grep --color=auto";
      fgrep = "fgrep --color=auto";
      egrep = "egrep --color=auto";

      systemctl  = "sudo systemctl";
      journalctl = "sudo journalctl";

      vim     = "nvim";
      view    = "nvim -R";
      vimdiff = "nvim -d";

      pwgen = "pwgen -s -c -n";
      g = "git";
    };
  };

  # Font configuration
  fonts = {
    enableDefaultPackages = true;
    packages = with pkgs; [
      noto-fonts
      (nerdfonts.override { fonts = [ "SourceCodePro" ]; })
    ];
  };

  # Define a user account. Don't forget to set a password with 'passwd'.
  users.users.dananglin = {
    isNormalUser = true;
    description  = "Dan Anglin";
    extraGroups  = [ "networkmanager" "wheel" "docker"];
    packages = with pkgs; [
      deno
      distrobox
      firefox
      gopass
      lf
      luajitPackages.luarocks
      mage
      pwgen
      shellcheck
      tmux
      unstable.neovim
      xdg-user-dirs
      yambar
    ];
  };

  nix = {
    gc = {
      automatic = true;
      dates     = "weekly";
      options   = "--delete-older-than 30d";
    };
  };

  programs = {
    appimage = {
      enable = true;
      binfmt = true;
    };

    gnupg.agent = {
      enable = true;
      pinentryPackage = pkgs.pinentry-curses;
    };

    nano = {
      enable = false;
    };

    river = {
      enable = true;
      extraPackages = with pkgs; [
        foot
      ];
    };
  };

  virtualisation = {
    docker = {
      enable = true;
      enableOnBoot = true;
    };
  };

  services.greetd = {
    enable = true;
    settings = {
      default_session = {
        command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --time-format '%A, %d %B %Y - %H:%M' --remember --asterisks --cmd river";
      };
    };
  };

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It's perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
  system.stateVersion = "24.05"; # Did you read the comment?

}