{ pkgs, config, lib, ... }:
with lib;
let cfg = config.eboskma.programs.tmux;
in
{
  options.eboskma.programs.tmux = {
    enable = mkEnableOption "enable tmux";
  };

  config = mkIf (cfg.enable) {
    programs.tmux = {
      enable = true;
      shortcut = "a";
      terminal = "tmux-256color";
      clock24 = true;
      baseIndex = 1;
      keyMode = "vi";

      extraConfig = ''
        source ${pkgs.powerline}/share/tmux/powerline.conf
        setw -g automatic-rename

        set -ag update-environment "SWAYSOCK"

        bind-key r source ~/.tmux.conf \; display "Reloaded config."

        bind-key C-a send-prefix

        bind-key | split-window -h
        bind-key - split-window -v

        bind-key h select-pane -L
        bind-key n select-pane -D
        bind-key e select-pane -U
        bind-key i select-pane -R

        bind-key -r C-h select-window -t :-
        bind-key -r C-i select-window -t :+

        bind-key -r H resize-pane -L 5
        bind-key -r N resize-pane -D 5
        bind-key -r E resize-pane -U 5
        bind-key -r I resize-pane -R 5

        bind-key C-[ swap-window -t -1
        bind-key C-] swap-window -t +1

        bind-key    -T copy-mode-vi h                    send-keys -X cursor-left
        bind-key    -T copy-mode-vi n                    send-keys -X cursor-down
        bind-key    -T copy-mode-vi e                    send-keys -X cursor-up
        bind-key    -T copy-mode-vi i                    send-keys -X cursor-right

        set -g mouse on
        bind-key -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'"
        bind-key -n WheelDownPane select-pane -t= \; send-keys -M
      '';
    };

    home.packages = with pkgs; [
      powerline
    ];
  };
}