{ self
, config
, pkgs
, lib
, inputs
, system
, ...
}:
let
  doomemacsSrc = builtins.fetchGit {
    url = "https://github.com/doomemacs/doomemacs";
    ref = "master";
    rev = "8846d151814ebbf7fb90d9d5dd16cd737257408e";
  };
  neofetchThemesSrc = builtins.fetchGit {
    url = "https://github.com/Chick2D/neofetch-themes";
    ref = "main";
    rev = "c7392136bed264258c9b8788b14410e1ff06d602";
  };
  myEmacs = (pkgs.emacsPackagesFor pkgs.emacs-unstable-pgtk).emacsWithPackages (epkgs:
    with epkgs; [
      vterm
      treesit-grammars.with-all-grammars
      # inputs.nix-emacs-extra.packages."${system}".doom-dashboard
      # inputs.nix-emacs-extra.packages."${system}".ultra-scroll
    ]);
in
{
  programs = {
    alacritty = {
      enable = true;
      settings = {
        window.dimensions = {
          lines = 40;
          columns = 150;
        };
      };
    };
    bash = {
      enable = true;
      enableVteIntegration = true;
    };
    btop.enable = true;
    direnv.enable = true;

    fd.enable = true;
    fzf.enable = true;
    lsd = {
      enable = true;
      enableAliases = true;
    };

    fish = {
      enable = true;
      package = pkgs.fish;

      interactiveShellInit = lib.mkOrder 199 ''
        ############################################
        # Adds a seperating arrow inbetween commands
        # ~ ls                <----------- at 12:12
        # some home folders
        # ~ echo 123          <----------- at 12:13
        # 123
        # ~ _
        ############################################
        function starship_transient_rprompt_func
          set width "$(calc "($(tput cols)-12)/2")"
          echo -n " <"
          string repeat -n$width ─
          echo -n " "
          starship module time
        end

        any-nix-shell fish --info-right | source
        if test -z $INSIDE_EMACS && test $TERM != linux ;
          eval (${pkgs.zellij}/bin/zellij setup --generate-auto-start fish | string collect)
        end

        cat /var/lib/rust-motd/motd
      '';
      loginShellInit = ''
      '';

      functions = {
        ec = "emacsclient $argv";
        ecc = "emacsclient -c $argv";
        ecr = "emacsclient -r $argv";
        ecrr = "emacsclient -r $argv";
      };
      plugins = [
        {
          name = "sponge";
          src = pkgs.fetchFromGitHub {
            owner = "meaningful-ooo";
            repo = "sponge";
            rev = "384299545104d5256648cee9d8b117aaa9a6d7be";
            sha256 = "31d71950346d349762ca8da5f68e666bb9c05fce311096c616101584af999b5c";
          };
        }
      ];
    };

    git = {
      enable = true;
      userName = "Tristan Druyen";
      userEmail = "tristan@vault81.de";
      lfs = {
        enable = true;
      };
      aliases = {
        ci = "commit";
        co = "checkout";
        s = "status";
      };
      extraConfig = {
        user.signingkey = "${config.home.homeDirectory}/.ssh/id_ed25519";
        commit.gpgsign = true;
        gpg.format = "ssh";
      };
      package = pkgs.git;
    };

    lazygit.enable = true;

    jujutsu = {
      enable = true;
      settings = {
        user = {
          email = "tristan@vault81.de";
          name = "Tristan Druyen";
        };
      };
    };

    nix-index = {
      enable = true;
      enableFishIntegration = true;
    };
    pandoc.enable = true;

    rbw = {
      enable = true;
      settings = {
        base_url = "https://bw.vlt81.de";
        email = "tristandruyen@vault81.de";
      };
    };

    starship = {
      enable = true;
      package = pkgs.starship;
      enableTransience = true;
      settings = {
        format = lib.concatStrings [
          "$username"
          "$hostname"
          "$localip"
          "$directory"
          "$vcsh"
          "$fossil_branch"
          "$fossil_metrics"
          "$git_branch"
          "$git_commit"
          "$git_state"
          "$git_metrics"
          "$git_status"
          "$docker_context"
          "$package"
          "$c"
          "$cmake"
          "$cobol"
          "$daml"
          "$dart"
          "$deno"
          "$dotnet"
          "$elixir"
          "$elm"
          "$erlang"
          "$fennel"
          "$gleam"
          "$golang"
          "$haskell"
          "$haxe"
          "$helm"
          "$java"
          "$julia"
          "$kotlin"
          "$lua"
          "$nim"
          "$nodejs"
          "$ocaml"
          "$opa"
          "$perl"
          "$php"
          "$python"
          "$rlang"
          "$red"
          "$ruby"
          "$rust"
          "$scala"
          "$solidity"
          "$swift"
          "$terraform"
          "$typst"
          "$vlang"
          "$vagrant"
          "$zig"
          "$buf"
          "$nix_shell"
          "$conda"
          "$spack"
          "$memory_usage"
          "$aws"
          "$gcloud"
          "$openstack"
          "$azure"
          "$nats"
          "$direnv"
          "$env_var"
          "$crystal"
          "$custom"
          "$sudo"
          "$cmd_duration"
          "$line_break"
          "$jobs"
          "$battery"
          "$status"
          "$os"
          "$container"
          "$shell"
          "$shlvl"
          "$character"
        ];
        direnv.disabled = false;
        memory_usage.disabled = false;
        shlvl = {
          disabled = false;
          format = "[$symbol]($style)";
          repeat = true;
          symbol = "❯";
          repeat_offset = 2;
          threshold = 0;
        };
        time.disabled = false;
      };
    };

    ssh = {
      enable = true;
      addKeysToAgent = "yes";
      hashKnownHosts = true;

      extraOptionOverrides = {
        VerifyHostKeyDNS = "ask";
      };
      package = pkgs.openssh;

      matchBlocks = {
        "he4" = {
          host = "he4";
          hostname = "he4.vault81.de";
          user = "tristand";
          identityFile = "~/.ssh/id_ed25519";
        };
        "he2" = {
          host = "he2";
          hostname = "he2.vault81.de";
          user = "root";
          identityFile = "~/.ssh/id_v81_ed25519";
        };
        # "nixos-desk" = {
        # host = "nixos-desk";
        # hostname = "nixos-desk";
        # user = "tristand";
        # identityFile = "~/.ssh/id_v81_ed25519";
        # };
      };
    };

    gpg.enable = true;

    ripgrep = {
      enable = true;
      package = pkgs.ripgrep.override { withPCRE2 = true; };
    };

    zellij = {
      enable = true;
      enableFishIntegration = false;
    };

    zoxide.enable = true;
    # zed-editor = {
    # enable = true;
    # };
  };

  services = {
    ssh-agent.enable = true;
    gpg-agent = {
      enable = false;
      # enable = true; # misbehaving atm

      enableExtraSocket = true;
      # enableSshSupport = true;
      enableSshSupport = false;
      pinentryPackage = lib.mkForce pkgs.pinentry-qt;
    };
    lorri.enable = true;

    emacs = {
      enable = true;
      defaultEditor = true;
      package = myEmacs;
      socketActivation.enable = true;
    };
  };

  home = {
    activation.setupEmacs = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
      mkdir ~/.config/emacs -p
      chmod u+rw -R ~/.config/emacs
      cp -r ${doomemacsSrc}/. "$HOME/.config/emacs"
    '';
    activation.setupNeofetch = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
      mkdir ~/.config/neofetch -p
      chmod u+rw -R ~/.config/neofetch
      cp ${neofetchThemesSrc}/normal/acenoster.conf "$HOME/.config/neofetch/config.conf"
    '';

    file.".config/doom" = {
      recursive = true;
      source = ../../ext/doom;
      # onChange = "${config.home.homeDirectory}/.config/emacs/bin/doom sync";
    };

    sessionVariables = {
      TERMINAL = "alacritty";
      ZELLIJ_AUTO_EXIT = "true";
      ZELLIJ_AUTO_ATTACH = "false";
    };

    # TODO Disable gui apps & switch to emacs-git instead of pgtk on headless systems
    packages = with pkgs; [
      myEmacs
      emacs-lsp-booster
      any-nix-shell
      atool
      aspell
      aspellDicts.en
      aspellDicts.en-computers
      aspellDicts.en-science
      aspellDicts.de
      binutils
      calc
      cmake
      curl
      exercism
      filezilla
      gnutls
      gnumake
      gcc
      imagemagick
      libtool
      neofetch
      nil
      nixpkgs-fmt
      nodejs_20
      tree
      python312Full
      python312Packages.epc
      python312Packages.orjson
      rust-motd
      rcm
      (lib.mkIf config.services.gpg-agent.enable
        pinentry-emacs)
      shellcheck
      shfmt
      statix
      #texlive.combined.scheme-full
      texlive.combined.scheme-medium
      tokei
      tree-sitter
      wget
      wl-clipboard
      zeal # GUI
      zstd
      neovim
      lazydocker
      sshx
      bat
      lazygit
      xpipe
      # surrealist
      # surrealdb
      rage
      nh
      pkgs.agenix-rekey
      # android-studio-full
    ];
  };
}