{ lib, osconfig, pkgs, ... }:
let
  TOP_PANEL = ''
    set -g pane-border-status top
    set -g pane-border-lines single
    set -g pane-border-indicators colour

    set -g pane-border-format "#{E:@asa-module-icon} #{pane_index} #{E:@asa-module-text} #{pane_current_path} #[default]"
  '';

  OPTIONS = ''
    set-option -g destroy-unattached on
    set -g allow-passthrough on
  '';

  BINDS = ''
    unbind r
    bind r source-file ~/.config/tmux/tmux.conf;
  '';

  BOTTOM_PANEL = ''
    set -g status-justify "centre"
     
    set -g window-status-format "#{E:@asa-module-icon} #I #{E:@asa-module-text} #W "
    set -g window-status-current-format "#{E:@asa-module-icon} #I #{E:@asa-module-text} #W "

    set -gg status-left "#{E:@asa-module-text} %A %d/%m/%Y #[default] "
    set -ag status-left "#{E:@asa-module-text} %I:%M %p #[default] "
    set -g status-left-length 100

    set -g status-right "#{E:@asa-module-icon}  #{E:@asa-module-text} #S #[default] "
    set -ag status-right "#{E:@asa-module-icon} CPU #{E:@asa-module-text} #{cpu_percentage} #[default] "
    set -ag status-right "#{E:@asa-module-icon} RAM #{E:@asa-module-text} #{ram_percentage} "
    set -g status-right-length 100

    setw -g automatic-rename off
  '';

  CATPPUCCIN = ''
    set -g @catppuccin_flavor 'mocha'
    set -ogq @asa-module-icon "#[bg=#{E:@thm_sapphire},fg=#{E:@thm_surface_0}]"
    set -ogq @asa-module-text "#[bg=#{E:@thm_surface_0},fg=#{E:@thm_fg}]"
  '';

  YANK = ''
    set -g @yank_selection 'primary'
    set -g @yank_selection_mouse 'primary'
  '';

  EXTRA_CONFIG = ''
    bind-key -T copy-mode-vi v send-keys -X begin-selection
    bind-key -T copy-mode-vi V send-keys -X select-line
    bind-key -T copy-mode-vi C-v send-keys -X rectangle-toggle
    bind-key -T copy-mode-vi y send-keys -X copy-selection-and-cancel
  '';
in
{
  programs.tmux = lib.mkIf osconfig.device.programs.tmux.enable {
    enable = true;
    keyMode = "vi";
    disableConfirmationPrompt = true;
    prefix = "c-a";

    extraConfig = TOP_PANEL + OPTIONS + BINDS + EXTRA_CONFIG;

    plugins = with pkgs.tmuxPlugins; [
      {
        plugin = yank;
        extraConfig = YANK;
      }
      {
        plugin = catppuccin;
        extraConfig = CATPPUCCIN;
      }
      {
        plugin = cpu;
        extraConfig = BOTTOM_PANEL;
      }
    ];
  };
}