feat: update tmux config

modules/home/tmux/default.nix

@@ -1,12 +1,97 @@
-{...}: {
+{pkgs, ...}: let
+  bg = "default";
+  fg = "default";
+  bg2 = "brightblack";
+  fg2 = "white";
+  color = c: "#{@${c}}";
+
+  indicator = let
+    accent = color "indicator_color";
+    content = "  ";
+  in "#[reverse,fg=${accent}]#{?client_prefix,${content},}";
+
+  current_window = let
+    accent = color "main_accent";
+    index = "#[reverse,fg=${accent},bg=${fg}] #I ";
+    name = "#[fg=${bg2},bg=${fg2}] #W ";
+    # flags = "#{?window_flags,#{window_flags}, }";
+  in "${index}${name}";
+
+  window_status = let
+    accent = color "window_color";
+    index = "#[reverse,fg=${accent},bg=${fg}] #I ";
+    name = "#[fg=${bg2},bg=${fg2}] #W ";
+    # flags = "#{?window_flags,#{window_flags}, }";
+  in "${index}${name}";
+
+  battery = let
+    percentage = pkgs.writeShellScript "percentage" (
+      if pkgs.stdenv.isDarwin
+      then ''
+        echo $(pmset -g batt | grep -o "[0-9]\+%" | tr '%' ' ')
+      ''
+      else ''
+        path="/org/freedesktop/UPower/devices/DisplayDevice"
+        echo $(${pkgs.upower}/bin/upower -i $path | grep -o "[0-9]\+%" | tr '%' ' ')
+      ''
+    );
+    state = pkgs.writeShellScript "state" (
+      if pkgs.stdenv.isDarwin
+      then ''
+        echo $(pmset -g batt | awk '{print $4}')
+      ''
+      else ''
+        path="/org/freedesktop/UPower/devices/DisplayDevice"
+        echo $(${pkgs.upower}/bin/upower -i $path | grep state | awk '{print $2}')
+      ''
+    );
+    icon = pkgs.writeShellScript "icon" ''
+      percentage=$(${percentage})
+      state=$(${state})
+      if [ "$state" == "charging" ] || [ "$state" == "fully-charged" ]; then echo "󰂄"
+      elif [ $percentage -ge 75 ]; then echo "󱊣"
+      elif [ $percentage -ge 50 ]; then echo "󱊢"
+      elif [ $percentage -ge 25 ]; then echo "󱊡"
+      elif [ $percentage -ge 0  ]; then echo "󰂎"
+      fi
+    '';
+    color = pkgs.writeShellScript "color" ''
+      percentage=$(${percentage})
+      state=$(${state})
+      if [ "$state" == "charging" ] || [ "$state" == "fully-charged" ]; then echo "green"
+      elif [ $percentage -ge 75 ]; then echo "green"
+      elif [ $percentage -ge 50 ]; then echo "${fg2}"
+      elif [ $percentage -ge 30 ]; then echo "yellow"
+      elif [ $percentage -ge 0  ]; then echo "red"
+      fi
+    '';
+  in "#[fg=#(${color})]#(${icon}) #[fg=${fg}]#(${percentage})%";
+
+  pwd = let
+    accent = color "main_accent";
+    icon = "#[fg=${accent}] ";
+    format = "#[fg=${fg}]#{b:pane_current_path}";
+  in "${icon}${format}";
+
+  git = let
+    icon = pkgs.writeShellScript "branch" ''
+      git -C "$1" branch && echo " "
+    '';
+    branch = pkgs.writeShellScript "branch" ''
+      git -C "$1" rev-parse --abbrev-ref HEAD
+    '';
+  in "#[fg=magenta]#(${icon} #{pane_current_path})#(${branch} #{pane_current_path})";
+
+  separator = "#[fg=${fg}]|";
+in {
   programs.tmux = {
     enable = true;
-    extraConfig = "
+    baseIndex = 1;
-
+    escapeTime = 0;
-       set-option -sa terminal-overrides \",xterm*:Tc\"
+    mouse = true;
-       set -g mouse on  
+    extraConfig = ''
+      set-option -sa terminal-overrides ",xterm*:Tc"
       set-option -g status-position top
-       set-option -g allow-rename off
       unbind r
       bind r source-file ~/.config/tmux/tmux.conf
 
@@ -16,7 +101,7 @@
       # bind C-Space send-prefix
 
       # split panes using | and -
-       unbind '\"'
+      unbind '"'
       unbind %
       bind | split-window -h
       bind - split-window -v
@@ -33,6 +118,19 @@
       bind -n M-Up select-pane -U
       bind -n M-Down select-pane -D
 
-      ";
+      set-option -g default-terminal "screen-256color"
+      set-option -g status-right-length 100
+      set-option -g @indicator_color "yellow"
+      set-option -g @window_color "magenta"
+      set-option -g @main_accent "blue"
+      set-option -g pane-active-border fg=black
+      set-option -g pane-border-style fg=black
+      set-option -g status-style "bg=${bg} fg=${fg}"
+      set-option -g status-left "${indicator}"
+      set-option -g status-right "${git} ${pwd} ${separator} ${battery}"
+      set-option -g window-status-current-format "${current_window}"
+      set-option -g window-status-format "${window_status}"
+      set-option -g window-status-separator ""
+    '';
   };
 }