nixos/home-manager/modules/tmux.nix

{ inputs, pkgs, ... }: {
  programs.tmux = {
    enable = true;
    disableConfirmationPrompt = true;
    escapeTime = 0;
    keyMode = "vi";
    mouse = true;
    newSession = true;
    plugins = with pkgs; [
      tmuxPlugins.sensible
      tmuxPlugins.yank
      tmuxPlugins.fzf-tmux-url
      {
        plugin = tmuxPlugins.catppuccin;
        extraConfig = ''
          set -g @catppuccin_flavour 'frappe'
          set -g @catppuccin_window_right_separator "█ "
          set -g @catppuccin_window_number_position "right"
          set -g @catppuccin_window_middle_separator " | "

          set -g @catppuccin_window_default_fill "none"

          set -g @catppuccin_window_current_fill "all"

          set -g @catppuccin_status_modules_right "application session date_time"
          set -g @catppuccin_status_left_separator "█"
          set -g @catppuccin_status_right_separator "█"
        '';
      }
    ];
    prefix = "C-Space";
    terminal = "alacritty";
    extraConfig = ''
      # Fix colors
      set-option -sa terminal-overrides ",alacritty:Tc"

      # start window and panes indexing at 1
      set -g base-index 1
      set -g pane-base-index 1
      set-window-option -g pane-base-index 1
      set-option -g renumber-windows on

      # Faster statusbar updates
      set-option -g status-interval 1

      # Easier movement
      bind -n M-K previous-window
      bind -n M-J next-window

      # Better split bindings
      bind "'" split-window -v -c "#{pane_current_path}"
      bind '\' split-window -h -c "#{pane_current_path}"

      # Vim keybindings for pane movement
      setw -g mode-keys vi
      bind-key h select-pane -L
      bind-key j select-pane -D
      bind-key k select-pane -U
      bind-key l select-pane -R

      # Status bar border
      setw -g pane-border-status top
      setw -g pane-border-format '─'

      # Bar to top
      set-option -g status-position top
    '';
  };
}