# 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
    ];

  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  networking.hostName = "skykaninNixOS"; # Define your hostname.
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
  networking.networkmanager.enable = true;
  hardware.brightnessctl.enable = true;
  hardware.bluetooth.enable = true;

  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  # Select internationalisation properties.
  # i18n = {
  #   consoleFont = "Lat2-Terminus16";
  #   consoleKeyMap = "us";
  #   defaultLocale = "en_US.UTF-8";
  # };

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

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    arc-icon-theme
    arc-theme
    ant-theme
    clojure
    curl
    discord
    docker
    (import /home/skykanin/Documents/emacs.nix { inherit pkgs; }) # Emacs with my pkgs
    firefox
    font-awesome_4
    ghc
    gnome3.networkmanagerapplet
    git
    kitty
    my-idea-ultimate
    my-leiningen
    lxappearance-gtk3
    neofetch
    nitrogen
    oh-my-zsh
    pamixer
    pywal
    rofi
    wget
    xorg.xbacklight
    zsh
  ];

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

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # Enable CUPS to print documents.
  # services.printing.enable = true;

  # Enable sound.
  sound.enable = true;
  hardware.pulseaudio = {
    enable = true;
    # Only the full build has Bluetooth support, so it must be selected here.
    package = pkgs.pulseaudioFull;
  };



  # Nixpkgs overlays
  nixpkgs.overlays = [
    (self: super: {
      my-polybar = super.polybar.override {
        i3Support = true;
        pulseSupport = true;
      };
    })
    (self: super: {
      my-jbr = super.jetbrains.jdk.override {
        url = "https://jetbrains.bintray.com/intellij-jdk/jbr-11_0_2-linux-x64-b164.tar.gz";
      };
    })
    (self: super: {
      my-leiningen = super.leiningen.override {
        jdk = pkgs.openjdk11;
      };
    })
    (self: super: {
      my-idea-ultimate = super.jetbrains.idea-ultimate.override {
        jdk = pkgs.jetbrains.jdk;
      };
    })
  ];

  # Enable the X11 windowing system.
  # services.xserver.enable = true;
  # services.xserver.layout = "us";
  # services.xserver.xkbOptions = "eurosign:e";

  services.xserver = {
    enable = true;
    layout = "no";
    libinput = {
      enable = true;
      naturalScrolling = true;
    };
    autorun = true;

    windowManager.default = "i3";
    windowManager.i3 = {
      enable = true;
      configFile = /home/skykanin/.config/i3/config;
      package = pkgs.i3-gaps;
      extraPackages = with pkgs; [
                        rofi
                        my-polybar
                        betterlockscreen
                      ];
    };

    desktopManager = {
      default = "none";
      xterm.enable = false;
    };

    displayManager = {
      lightdm = {
        enable = true;
        autoLogin = {
          enable = true;
          user = "skykanin";
        };
        # background = "/home/skykanin/Pictures/hyperbeast.jpg";
        greeter.enable = false;
        greeters.gtk.indicators = [ "~host" "~spacer" "~clock" "~spacer" "~a11y" "~session" "~power" ];
      };
    };
  };

  services.redshift = {
    enable = true;
    latitude = "63.430515";
    longitude = "10.395053";
    temperature = {
      day = 6500;
      night = 3000;
    };
  };

  # Define systemd service for betterlockscreen to run on suspend/sleep
  # A bit janky cause I had to manually cache it the first time for root cache
  systemd.services.betterlockscreen = {
    enable = true;
    aliases = [ "betterlockscreen@skykanin.service" ];
    description = "Locks screen when going to sleep/suspend";
    environment = { DISPLAY = ":0"; };
    serviceConfig = {
      User = "skykanin";
      Type = "simple";
      ExecStart = ''${pkgs.betterlockscreen}/bin/betterlockscreen -l dim'';
      TimeoutSec = "infinity";
    };
    wantedBy = [ "sleep.target" "suspend.target" ];
  };

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.skykanin = {
    isNormalUser = true;
    description= "Skykanin";
    extraGroups = ["wheel" "audio" "video" "networkmanager" "postgres"]; # Enable ‘sudo’ for the user.
    initialPassword = "skykanin";
    shell = pkgs.zsh;
  };

  programs.light.enable = true;
  programs.java = {
    enable = true;
    package = pkgs.openjdk11;
  };

  programs.zsh = {
    ohMyZsh = {
     enable = true;
     theme = "robbyrussell";
     plugins = [ "git" "lein" "mvn" "npm"];
     customPkgs = with pkgs; [ nix-zsh-completions zsh-completions ];
    };
    syntaxHighlighting.enable = true;
  };

  nixpkgs.config.allowUnfree = true;
  fonts.enableDefaultFonts = true;

  # This value determines the NixOS release with which your system is to be
  # compatible, in order to avoid breaking some software such as database
  # servers. You should change this only after NixOS release notes say you
  # should.
  system.stateVersion = "19.03"; # Did you read the comment?

}