{
  config,
  pkgs,
  lib,
  ...
}:
let
  inherit (lib) types;
  cfg = config.mtxyz.platform;
in
  {
    options.mtxyz.platform = {
      private = lib.mkOption {
        type = types.bool;
        default = false;
      };
      minimal = lib.mkOption {
        type = types.bool;
        default = false;
      };
      portable = lib.mkOption {
        type = types.bool;
        default = false;
      };
    };

    imports = [
      ./neovim.nix
    ];

    config = {
      home.packages = with pkgs; [ 
        delta unzip tree pwgen nvd nixpkgs-fmt home-manager
        kitty.terminfo nix-output-monitor mosh universal-ctags
      ] ++ (lib.optionals cfg.private [
        hledger hledger-ui diceware libsecret
      ]);

      accounts = lib.mkIf cfg.private {
        email.accounts.mtxyz = rec {
          address = "me@mtxyz.me";
          userName = address;
          passwordCommand = "${pkgs.libsecret}/bin/secret-tool lookup login ${address}";
          realName = "mtxyz";
          primary = true;
          aliases = [
            "me@mtxyz.me"
            "billy@mtxyz.me"
            "billie@mtxyz.me"
            "bailey@mtxyz.me"
            "contact@wasv.me"
          ];

          imap = {
            host = "imap.migadu.com";
            port = 993;
            tls.enable = true;
          };
          smtp = {
            host = "smtp.migadu.com";
            port = 465;
            tls.enable = true;
          };

          folders = {
            inbox = "INBOX";
            trash = "Archives";
          };
        };
        calendar.accounts.home = {
          name = "Home";
          primary = true;
          remote = rec {
            type = "caldav";
            userName = "me@mtxyz.me";
            passwordCommand = ["${pkgs.libsecret}/bin/secret-tool" "lookup" "login" userName];
            url = "https://cdav.migadu.com/calendars/${userName}/home/";
          };
        };
      };

      manual.html.enable = true;

      home.keyboard.layout = "us";
      home.keyboard.options = [ "caps:super" ];

      programs.tmux = {
        enable = true;
        mouse = true;
        aggressiveResize = true;
        clock24 = true;
        newSession = true;
        extraConfig = ''
          bind - split-window -h -c "#{pane_current_path}"
          bind | split-window -v -c "#{pane_current_path}"
          unbind '"'
          unbind %

          bind -n M-Left select-pane -L
          bind -n M-Right select-pane -R
          bind -n M-Up select-pane -U
          bind -n M-Down select-pane -D

          set -sg escape-time 0
        '';
      };

      programs.btop = {
        enable = true;
        settings = {
          color_theme = "TTY";
          theme_background = false;
        };
      };

      programs.password-store.enable = lib.mkDefault cfg.private;
      programs.password-store.package = pkgs.pass.withExtensions (exts: [ exts.pass-otp ]);

      services.syncthing.enable = lib.mkDefault cfg.private;


      programs.direnv = {
        enable = true;
        nix-direnv.enable = true;
      };

      programs.zoxide = {
        enable = true;
        enableFishIntegration = true;
        options = [ "--cmd cd" ];
      };

      programs.fish = {
        enable = true;
        functions = {
          fish_prompt = (builtins.readFile ./fish_prompt.fish);
          fish_greeting = "";
          last_cmd = "echo $history[1]";
          fish_command_not_found = ''
            set -l last_argv $argv
            echo \"$argv[1]\" Command Not Found
          '';
          update-sys = ''
            argparse -i 'f/flake=' -- $argv
            set -f mode switch
            if set -q argv[1]
              set -f mode $argv[1]
            end

            set -f flake nixconf
            if set -q _flag_f
              set -f flake $_flag_f
            end

            sudo echo -n # Make sure sudo has already prompted for password.
            sudo nixos-rebuild $mode --log-format internal-json -v --flake $flake &| nom --json
          '';
        };
        interactiveShellInit = ''
          abbr --position anywhere -a !! -f last_cmd
        '';
      };

      programs.gpg.enable = true;
      services.gpg-agent = {
        enable = true;
        defaultCacheTtl = 1800;
        pinentryPackage = lib.mkDefault pkgs.pinentry;
      };

      programs.bat.enable = true;
      programs.lazygit.enable = true;

      programs.git = {
        enable = true;
        userName = "Bailey Stevens";
        userEmail = "me@mtxyz.me";
        package = pkgs.gitFull;

        aliases = {
          lazy = "!lazygit";
          graph = "log --graph --oneline";
        };

        extraConfig = {
          pull.rebase = true;
          rebase.autostash = true;
          init.defaultBranch = "main";
          push.autoSetupRemote = true;
          sendemail.confirm = "always";
          sendemail.identity = "mtxyz";
          credential.helper = "libsecret";
        };

        ignores = [
          "*~"
          "*.swp"
          ".cache/"
          ".venv/"
          "compile_commands.json"
          ".#*"
          "tags"
          ".vscode/"
          ".gradle"
          ".idea"
          ".direnv"
          ".envrc"
        ];

        delta.enable = true;
        delta.options.line-numbers = true;
      };

      programs.ssh = {
        enable = true;
        controlMaster = "auto";
        controlPersist = "5m";
        matchBlocks = {
          "jellydonut sol pegasi gallifrey" = {
            forwardAgent = true;
            hostname = "%h.gg.lan";
          };
          "freedom shell" = {
            user = "wasv";
            forwardAgent = true;
            hostname = "%h.csh.rit.edu";
          };
        };
      };

      programs.fzf.enable = true;
      programs.zellij = {
        enable = true;
        settings = {
          pane_frames = false;
          default_mode = "locked";
          default_layout = "compact";
        };
      };

      programs.home-manager.enable = lib.mkDefault cfg.private;

      home.stateVersion = "22.11";
    };
  }