nixos-config/modules/home-manager/fish.nix

{
  config,
  pkgs,
  lib,
  ...
}:

with lib;

let
  cfg = config.custom-hm.fish;
in
{
  options.custom-hm.fish = {
    enable = mkEnableOption "fish";
    plugins = mkOption {
      type = types.listOf types.str;
      default = [
        "pisces"
        "done"
        "hydro"
        "grc"
      ];
    };
    functions = {
      enable = mkOption {
        type = types.bool;
        default = true;
      };
    };
    alias = {
      enable = mkOption {
        type = types.bool;
        default = true;
      };
    };
  };

  config = mkIf cfg.enable {
    home.packages = [ pkgs.grc ];
    programs.fish = {
      enable = true;
      plugins =
        with pkgs;
        (filter
          (
            e:
            hasAttr e.name (
              builtins.listToAttrs # { "xxx" = true; }
                (
                  map (p: {
                    name = p;
                    value = true;
                  }) cfg.plugins
                ) # { name = "xxx"; value = true; }
            )
          )
          [
            {
              name = "pisces";
              src = fishPlugins.pisces.src;
            }
            {
              name = "done";
              src = fishPlugins.done.src;
            }
            {
              name = "hydro";
              src = fishPlugins.hydro.src;
            }
            {
              name = "grc";
              src = fishPlugins.grc.src;
            }
          ]
        );
      interactiveShellInit =
        let
          extraInit =
            if cfg.functions.enable then
              ''
                ${pkgs.nix-your-shell}/bin/nix-your-shell fish | source
                function fish_right_prompt
                  if test -n "$IN_NIX_SHELL"
                    echo -n "<nix-shell>"
                  else if test $SHLVL -ge 3
                    echo -n "<🚀lv$SHLVL>"
                  end
                end
                function fish_command_not_found
                  ${pkgs.comma}/bin/comma $argv
                end
                set -gx LS_COLORS (${lib.getExe pkgs.vivid} generate catppuccin-mocha)
              ''
            else
              "";
        in
        ''
          fish_config prompt choose default
        ''
        + extraInit;
      functions = mkIf cfg.functions.enable {
        gitignore = "curl -sL https://www.gitignore.io/api/$argv";
      };
    };
  };
}