# 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,
  inputs,
  ...
}:
{
  imports = [
    # Include the results of the hardware scan.
    ./hardware-configuration.nix
    inputs.home-manager.nixosModules.default
  ];

  nix.settings.experimental-features = [
    "nix-command"
    "flakes"
  ];

  # Bootloader.
  boot.loader.efi.canTouchEfiVariables = true;
  boot.loader.grub.enable = true;
  boot.loader.grub.devices = [ "nodev" ];
  boot.loader.grub.efiSupport = true;
  boot.loader.grub.useOSProber = true;
  boot.supportedFilesystems = [ "ntfs" ];
  boot.kernelPackages = pkgs.linuxPackages_latest;
  boot.kernelModules = [
    "kvm-amd"
    "vfio_virqfd"
    "vfio_pci"
    "vfio_iommu_type1"
    "vfio"
  ];
  boot.kernelParams = [
    "amd_iommu=on"
    "amd_iommu=pt"
    "kvm.ignore_msrs=1"
  ];
  boot.extraModprobeConfig = "options vfio-pci ids=10de:25ac";

  networking = {
    # dns.mullvad.net
    # nameservers = [ "194.242.2.2" ];
    networkmanager = {
      enable = true;
    };
    dhcpcd.extraConfig = "nohook resolv.conf";
    hostName = "nixos"; # Define your hostname.
    wireless.enable = true; # Enables wireless support via wpa_supplicant.
    firewall.enable = true;
    firewall.allowedTCPPorts = [
      80
      3000
    ];
  };

  # touchpad
  services.libinput.enable = true;
  services.libinput.touchpad.naturalScrolling = false;
  services.libinput.touchpad.middleEmulation = true;
  services.libinput.touchpad.tapping = true;

  # graphics
  hardware.graphics.enable = true;
  #  hardware.nvidia = {
  #    modesetting.enable = true;
  #
  #    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
  #    # Enable this if you have graphical corruption issues or application crashes after waking
  #    # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead
  #    # of just the bare essentials.
  #    powerManagement.enable = false;
  #
  #    # Fine-grained power management. Turns off GPU when not in use.
  #    # Experimental and only works on modern Nvidia GPUs (Turing or newer).
  #    powerManagement.finegrained = false;
  #
  #    # Use the NVidia open source kernel module (not to be confused with the
  #    # independent third-party "nouveau" open source driver).
  #    # Support is limited to the Turing and later architectures. Full list of
  #    # supported GPUs is at:
  #    # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus
  #    # Only available from driver 515.43.04+
  #    # Currently alpha-quality/buggy, so false is currently the recommended setting.
  #    open = false;
  #
  #    # Enable the Nvidia settings menu,
  #    # accessible via `nvidia-settings`.
  #    nvidiaSettings = true;
  #
  #    # Optionally, you may need to select the appropriate driver version for your specific GPU.
  #    package = config.boot.kernelPackages.nvidiaPackages.stable;
  #
  #    prime = {
  #      offload = {
  #        enable = true;
  #        enableOffloadCmd = true;
  #      };
  #
  #      # Make sure to use the correct Bus ID values for your system!
  #      amdgpuBusId = "PCI:115:0:0";
  #      nvidiaBusId = "PCI:1:0:0";
  #    };
  #  };
  #  services.xserver.videoDrivers = [ "nvidia" ];
  # boot.kernelParams = [ "module_blacklist=amdgpu" "module_blacklist=i915" ];

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

  # Set your time zone.
  time.timeZone = "America/Chicago";

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

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

  # Configure keymap in X11
  services.xserver = {
    enable = true;
    displayManager.lightdm.enable = false;
    displayManager.startx.enable = true;
    windowManager.dwm.enable = true;
    windowManager.dwm.package = pkgs.dwm.overrideAttrs {
      src = fetchGit {
        url = "https://github.com/ozpv/dwm.git";
        rev = "0fc8dd0a9a13136097f5c15b64ffa3e8ef8043fd";
      };
    };
    xkb.layout = "us";
    xkb.variant = "";
  };

  services.keyd = {
    enable = true;
    keyboards = {
      default = {

        ids = [ "*" ];
        settings = {
          main = {
            capslock = "backspace";
          };
        };
      };
    };
  };
  # compostior
  services.picom.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.ozpv = {
    isNormalUser = true;
    description = "ozpv";
    extraGroups = [
      "networkmanager"
      "wheel"
      "libvirtd"
      "docker"
    ];
    packages = with pkgs; [ ];
    shell = pkgs.zsh;
  };

  # lock screen
  programs.slock.enable = true;

  home-manager = {
    users.ozpv = {
      imports = [ ./home.nix ];
    };
  };

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

  # docker
  virtualisation.docker.enable = true;

  virtualisation.docker.rootless = {
    enable = true;
    setSocketVariable = true;
  };

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    nixfmt
    libinput-gestures
    brightnessctl
    vim
    networkmanagerapplet
    (st.overrideAttrs {
      src = fetchGit {
        url = "https://github.com/ozpv/st.git";
        rev = "887af06f324f6e85e1bfb6f596ba2409d134c8f0";
      };
    })
    (dmenu.overrideAttrs {
      src = fetchGit {
        url = "https://github.com/ozpv/dmenu.git";
        rev = "8a6dfa7db55749c9bc48ee6bdd6f65c43095e123";
      };
    })
    (slstatus.overrideAttrs {
      src = fetchGit {
        url = "https://github.com/ozpv/slstatus.git";
        rev = "e4f6dca31f3a77d0b9c268e3b7ce4139b6fa71a0";
      };
    })
    (callPackage ./apps/powermenu.nix { })
    networkmanager_dmenu
    maim
    sxiv
    xwallpaper
    wget
    git
    home-manager
    xclip
    veracrypt
    keepassxc
    fastfetch
  ];

  # neovim
  programs.neovim.enable = true;
  environment.variables.EDITOR = "nvim";

  # gtk
  programs.dconf.enable = true;

  # browser
  programs.firefox = {
    enable = true;
    package = pkgs.librewolf;
  };

  # tmux
  programs.tmux = {
    enable = true;
    extraConfig = ''
      set -g prefix C-a
      bind-key l select-pane -L
      bind-key h select-pane -R
      bind-key k select-pane -U
      bind-key j select-pane -D
    '';
  };

  # fonts
  fonts.packages = with pkgs; [ nerd-fonts.jetbrains-mono ];

  # bluetooth
  hardware.bluetooth.enable = false;

  # audio
  services.pipewire.enable = false;
  services.pulseaudio.enable = true;
  services.pulseaudio.package = pkgs.pulseaudioFull;

  # shell
  programs.zsh.enable = true;

  # virtualization
  virtualisation.libvirtd.enable = true;
  programs.virt-manager.enable = true;

  # 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;

  # 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 = "26.05"; # Did you read the comment?

}