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

with lib;

let cfg = config.features.cli.tmux;

in {

  options.features.cli.tmux.enable = mkEnableOption "enable tmux";

  config = mkIf cfg.enable {
    programs.tmux = {
      enable = true;
      shortcut = "a";
      keyMode = "vi";
      clock24 = true;
      extraConfig = ''
        # Enable mouse mode (tmux 2.1 and above)
        set -g mouse on

        # split panes using | and -
        bind | split-window -h
        bind - split-window -v
        unbind '"'
        unbind %

        # change status bar color
        bind-key r source-file ~/.tmux.conf \; display-message "Konfiguration neu geladen"

        # status bar theme
        set -g status-bg 'colour235'
        #set -g message-command-fg 'colour222'
        set -g status-justify 'centre'
        set -g status-left-length '100'
        set -g status 'on'
        #set -g pane-active-border-fg 'colour154'
        #set -g message-bg 'colour238'
        set -g status-right-length '100'
        #set -g status-right-attr 'none'
        #set -g message-fg 'colour222'
        #set -g message-command-bg 'colour238'
        #set -g status-attr 'none'
        #set -g status-utf8 'on'
        #set -g pane-border-fg 'colour238'
        #set -g status-left-attr 'none'
        #setw -g window-status-fg 'colour121'
        #setw -g window-status-attr 'none'
        #setw -g window-status-activity-bg 'colour235'
        #setw -g window-status-activity-attr 'none'
        #setw -g window-status-activity-fg 'colour154'
        setw -g window-status-separator ' '
        #setw -g window-status-bg 'colour235'
        set -g status-left '#[fg=colour232,bg=colour154] #S #[fg=colour154,bg=colour238,nobold,nounderscore,noitalics]#[fg=colour222,bg=colour238] #W #[fg=colour238,bg=colour235,nobold,nounderscore,noitalics]#[fg=colour121,bg=colour235] #(whoami)  #(uptime  | cut -d " " -f 1,2,3) #[fg=colour235,bg=colour235,nobold,nounderscore,noitalics]'
        set -g status-right '#[fg=colour235,bg=colour235,nobold,nounderscore,noitalics]#[fg=colour121,bg=colour235] %r  %a  %Y #[fg=colour238,bg=colour235,nobold,nounderscore,noitalics]#[fg=colour222,bg=colour238] #H #[fg=colour154,bg=colour238,nobold,nounderscore,noitalics]#[fg=colour232,bg=colour154] #(rainbarf --battery --remaining --no-rgb) '
        setw -g window-status-format '#[fg=colour235,bg=colour235,nobold,nounderscore,noitalics]#[default] #I  #W #[fg=colour235,bg=colour235,nobold,nounderscore,noitalics]'
        setw -g window-status-current-format '#[fg=colour235,bg=colour238,nobold,nounderscore,noitalics]#[fg=colour222,bg=colour238] #I  #W  #F #[fg=colour238,bg=colour235,nobold,nounderscore,noitalics]'
      '';
    };
  };
}