{ pkgs, ... }:

{
  environment.systemPackages = with pkgs; [
    starship
  ];

  programs = {
    bash = {
      # Starts the OS using Bash, then starts fish if it's not running
      interactiveShellInit = ''
        if [[ $(${pkgs.procps}/bin/ps --no-header --pid=$PPID --format=comm) != "fish" && -z ''${BASH_EXECUTION_STRING} ]]
        then
          shopt -q login_shell && LOGIN_OPTION='--login' || LOGIN_OPTION=""
          exec ${pkgs.fish}/bin/fish $LOGIN_OPTION
        fi
      '';
    };

    fish.enable = true;

    starship = {
      enable = true;
      settings = {
        palette = "catppuccin-mocha";
        palettes = {
          catppuccin-mocha = {
            rosewater = "#f5e0dc";
            flamingo = "#f2cdcd";
            pink = "#f5c2e7";
            mauve = "#f5c2e7";
            red = "#f38ba8";
            maroon = "#eba0ac";
            peach = "#fab387";
            yellow = "#f9e2af";
            green = "#a6e3a1";
            teal = "#94e2d5";
            sky = "#89dceb";
            sapphire = "#89dceb";
            blue = "#89dceb";
            lavender = "#b4befe";
            text = "#cdd6f4";
            subtext1 = "#cdd6f4";
            subtext0 = "#a6adc8";
            overlay2 = "#9399b2";
            overlay1 = "#7f849c";
            overlay0 = "#6c7086";
            surface2 = "#585b70";
            surface1 = "#45475a";
            surface0 = "#313244";
            base = "#1e1e2e";
            mantle = "#181825";
            crust = "#11111b";
          };
        };
      };
    };
  };
}