# 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’).

{ pkgs, inputs, system, lib, ... }:
{
    imports = [
        ./hardware-configuration.nix
        inputs.sddm-sugar-candy-nix.nixosModules.default
    ];

    nixpkgs.overlays = [
        inputs.sddm-sugar-candy-nix.overlays.default
    ];

    fileSystems."/mnt/arch" = {
        device = "/dev/mapper/arch";
        fsType = "btrfs";
        encrypted = {
            enable = true;
            blkDev = "/dev/disk/by-uuid/60b6f21d-85b2-4d4b-90f4-38612138eeec";
            keyFile = "/sysroot/root/keyfiles/arch.key";
            label = "arch";
        };
    };

    # Bootloader.
    boot = {
        loader = {
            grub = {
                enable = true;
                useOSProber = false;
                devices = [ "nodev" ];
                efiSupport = true;
                extraEntries = ''
                    menuentry "Poweroff" {
                        halt
                    }
                    menuentry "Reboot" {
                        reboot
                    }
                '';
                theme = inputs.nixos-grub-themes.packages."${system}".hyperfluent;
            };
            efi.canTouchEfiVariables = true;
        };

        plymouth = {
            enable = true;
            theme = "bgrt";
        };

        consoleLogLevel = 0;
        initrd.verbose = false;
        kernelParams = [
            "quiet"
            "splash"
            "boot.shell_on_fail"
            "loglevel=3"
            "rd.systemd.show_status=false"
            "rd.udev.log_level=3"
            "udev.log_priority=3"
        ];
        
        initrd.systemd.enable = true;
    };

    networking.hostName = "ty-nixos"; # Define your hostname.
    # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

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

    # Enable networking
    networking.networkmanager.enable = true;

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

    # 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";
    };

    # Enable the X11 windowing system.
    # You can disable this if you're only using the Wayland session.
    services.xserver.enable = false;

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

    # Tailscale
    services.tailscale = {
        enable = true;
        useRoutingFeatures = "both";
        openFirewall = true;
    };

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

    # Enable sound with pipewire.
    hardware.pulseaudio.enable = false;
    security.rtkit.enable = true;
    services.pipewire = {
        enable = true;
        alsa.enable = true;
        alsa.support32Bit = true;
        pulse.enable = true;
        # If you want to use JACK applications, uncomment this
        #jack.enable = true;

        # use the example session manager (no others are packaged yet so this is enabled by default,
        # no need to redefine it in your config for now)
        #media-session.enable = true;
    };

    # Enable touchpad support (enabled default in most desktopManager).
    # services.xserver.libinput.enable = true;

    users.mutableUsers = false;
    users.defaultUserShell = pkgs.zsh;
    users.users.ty = {
        isNormalUser = true;
        shell = pkgs.zsh;
        description = "Tyler Beckman";
        extraGroups = [ "networkmanager" "wheel" ];
        hashedPassword = "$y$j9T$XCQtsX/NObNFzrYu7JcJe/$HHgvh4Re6UjKvxMz.XuHw7dwNecnMP8je.4AHUjHnsB";
    };

    # Install firefox.
    programs.firefox = {
        enable = true;
        preferences = {
            # Disable bullshit
            "browser.ml.chat.enabled" = false;
            "browser.aboutConfig.showWarning" = false;
            "extensions.pocket.enabled" = false;
            "browser.newtabpage.activity-stream.showSponsored" = false;
            "browser.newtabpage.activity-stream.showSponsoredTopSites" = false;
            "browser.newtabpage.activity-stream.feeds.section.topstories" = false;
            "browser.newtabpage.activity-stream.feeds.system.topstories" = false;
            "browser.urlbar.suggest.quicksuggest.sponsored" = false;
            # Experimental prefs
            "image.jxl.enabled" = true;
            # Security
            "security.pki.certificate_transparency.mode" = true;
        };
        preferencesStatus = "locked";
    };

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

    # List packages installed in system profile. To search, run:
    environment.systemPackages = with pkgs; [
        # Basic system packages
        wget
        curl
        neovim
        git
        jujutsu
        # SDDM Cursor theme
        vimix-cursors
    ];
    programs.zsh.enable = true;

    # Env vars
    environment.sessionVariables.NIXOS_OZONE_WL = "1";
    environment.pathsToLink = [ "/share/zsh" ];

    # 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 = [ ... ];
    networking.firewall.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?

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

    # Enable bluetooth
    hardware.bluetooth.enable = true;
    hardware.bluetooth.powerOnBoot = true;

    # KDE + SDDM Configuration
    services.desktopManager.plasma6 = {
        enable = true;
        # enableQt5Integration = true;
    };
    services.displayManager.sddm = {
        enable = true;
        wayland = {
            enable = true;
            compositor = "kwin";
        };
        enableHidpi = true;
        package = lib.mkForce pkgs.libsForQt5.sddm;
        extraPackages = lib.mkForce [
            pkgs.libsForQt5.qtbase
            pkgs.libsForQt5.qt5.qtgraphicaleffects
        ];

        settings = {
            Theme = {
                CursorTheme = "Vimix-cursors";
            };
        };

        sugarCandyNix = {
            enable = true;
            settings = {
                Background = "${pkgs.kdePackages.plasma-workspace-wallpapers}/share/wallpapers/Patak/contents/images_dark/3840x2160.png";
                ScreenWidth = 3072;
                ScreenHeight = 1920;
                FormPosition = "left";
                HaveFormBackground = true;
                PartialBlur = true;
                FontSize = "12";
            };
        };
    };

    # Nvidia config
    hardware.graphics.enable = true;
    services.xserver.videoDrivers = ["nvidia" "amdgpu"];
    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 = true;

        # 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;

        nvidiaSettings = true;

        prime = {
            amdgpuBusId = "PCI:4:0:0";
            nvidiaBusId = "PCI:1:0:0";

            offload = {
                enable = true;
                enableOffloadCmd = true;
            };
        };
    };

    # Fonts
    fonts = {
        packages = with pkgs; [
            symbola
            noto-fonts
            noto-fonts-cjk-sans
            noto-fonts-emoji
            fira-code
            fira-code-symbols
            jetbrains-mono
            # Nerd fonts
            (nerdfonts.override {
                fonts = [ "FiraCode" "JetBrainsMono" ];
            })
        ];
        enableDefaultPackages = false;
    };
}