{ config, ... }:

{

  home.shellAliases = {
    top       = "btm --battery";
    du        = "dust";
    ymd       = "date +'%Y-%m-%d'";
    dmy       = "date +'%-d.-%-m.%Y'";
    v         = "nvim";
    r         = "R --no-save --no-restore";
    R         = "R --no-save --no-restore";
    cdg       = "cd \$(git rev-parse --show-toplevel)";
  };

  programs.fish = {

    enable = true;

    interactiveShellInit = "fish_add_path ${config.xdg.dataHome}/npm/packages/bin";

    shellInit = ''
      set -gx EDITOR "nvim"
      set -gx VISUAL "nvim"

      function fish_greeting;
        echo (set_color magenta)fish $version(set_color normal)
      end

      function brief;
        khal list today 1d --day-format=
        echo ""
        task rc.verbose=nothing rc.report.foo.columns:id,description.count rc.report.foo.sort:urgency- foo +READY limit:5
        echo ""
        tree --noreport -L 1 ~/desktop
      end

      fzf --fish | source

      function startrloft --description 'Starts R with custom environment'
        set -lx R_ENVIRON_USER "~/.config/rloft/RLoft_environ"
        R -q
      end

      function vd --wraps vim --description 'vim with date in filename'
        nvim (ymd)_$argv.md
      end

      function note --description 'Create a new note'
        if count $argv > /dev/null
           nvim -c "call CreateNote('$argv')"
        else
           nvim ~/notes/(ls ~/notes/ | fzf)
        end
      end

      set -U fish_prompt_pwd_dir_length 0

      function fish_prompt --description "Write out the prompt"
        echo -s (set_color green) (whoami) (set_color brblack) @ (set_color yellow) (hostname) (set_color brblack) : (prompt_pwd) '$ ' (set_color normal)
      end

      function fish_right_prompt --description "Display info to the right of the prompt"
        echo -s (__fish_git_prompt) 
      end

      function fish_mode_prompt; end

      set fish_cursor_default     line blink

      set __fish_git_prompt_showdirtystate 'yes'
      set __fish_git_prompt_showstashstate 'yes'
      set __fish_git_prompt_showuntrackedfiles 'yes'
      set __fish_git_prompt_showupstream 'yes'
      set __fish_git_prompt_color_upstream_ahead green
      set __fish_git_prompt_color_upstream_behind red
      set __fish_git_prompt_char_dirtystate '*'
      set __fish_git_prompt_char_stagedstate '→'
      set __fish_git_prompt_char_untrackedfiles '☡'
      set __fish_git_prompt_char_stashstate '↩'
      set __fish_git_prompt_char_upstream_ahead '+'
      set __fish_git_prompt_char_upstream_behind '-'

      test -f ${config.xdg.configHome}/alias.fish && source ${config.xdg.configHome}/alias.fish
    '';
  };
}