{ pkgs, config, ... }:

{
  services.polybar = {
    enable = true;
    script = "polybar";

    package = pkgs.polybar.override {
      i3Support = true;
      pulseSupport = true;
    };

    settings = let c = config.theme.colors; in {
      "bar/main" = {
        width = "100%";
        height = "24pt";
        radius = 0;

        background = "#${c.bg}";
        foreground = "#${c.fg}";

        font = [
          "Symbols Nerd Font:size=16;2"
          "monospace:size=11;2"
          "Sauce Code Pro Nerd Font:size=11;2"
          "Noto Sans CJK JP:size=11;1"
          "sans-serif:size=11;1"
        ];

        border = {
          top = "8px";
          left = "8px";
          right = "8px";

          color = "#00000000";
        };

        padding = {
          left = 2;
          right = 2;
        };

        cursor = {
          click = "pointer";
          scroll = "ns-resize";
        };

        enable-ipc = true;

        line.size = "3pt";

        separator = {
          text = "|";
          foreground = "#${c.bg3}";
        };

        module.margin = 1;
        modules = {
          left = "cpu memory xwindow";
          center = "i3";
          right = "wlan eth filesystem keyboard xkeyboard pulseaudio date";
        };
      };

      "module/keyboard" = {
        type = "custom/script";

        exec = "if [[ $(fcitx5-remote -n) == 'mozc' ]]; then printf 'jp'; else printf 'en'; fi";
        
        interval = 1;

        click.left = "${pkgs.fcitx5}/bin/fcitx5-remote -t";

        format = {
          prefix = {
            text = "󰌌 ";
            foreground = "#${c.accent}";
          };
        };
      };

      "module/i3" = {
        type = "internal/i3";

        strip-wsnumbers = true;
        index-sort = true;

        ws.icon = [
          "0:Main;󱄅" "1:Terminal;" "2:Browser;󰈹" "3:Chat;󰙯" "4:Steam;󰓓"
          "5;󰎱" "6;󰎳" "7;󰎶"
          "8:qBittorrent;󰄛" "9:Youtube;󰗃" "10:Misc;󰁴"
        ];

        label = {
          focused = {
            text = "%icon%";
            padding = 2;

            foreground = "#${c.fg0}";
            background = "#${c.bg1}";
            underline = "#${c.accent}";
          };

          visible = {
            text = "%icon%";
            padding = 2;

            underline = "#${c.fg4}";
          };

          unfocused = {
            text = "%icon%";
            padding = 2;
          };

          urgent = {
            text = "%icon%";
            padding = 2;

            foreground = "#${c.bg}";
            background = "#${c.accent}";
          };
        };
      };

      "module/xwindow" = {
        type = "internal/xwindow";
        label = "%title:0:64:...%";
      };


      "module/pulseaudio" = {
        type = "internal/pulseaudio";

        format.volume = "<ramp-volume> <label-volume>";
    
        label = {
          volume = "%percentage%%";
          muted = {
            text = "󰝟 %percentage%%";
            foreground = "#${c.bg3}";
          };
        };

        ramp.volume = {
          text = [ "󰕿" "󰖀" "󰕾" ];
          foreground = "#${c.accent}";
        };
      };

      "module/xkeyboard" = {
        type = "internal/xkeyboard";
        blacklist = [ "num lock" ];

        indicator.icon = [ "caps lock;;󰌎" ];

        format = {
          text = "<label-indicator>";
        };

        label = {
          indicator.on = "%icon%";
        };
      };

      "module/cpu" = {
        type = "internal/cpu";
        interval = 2;

        format.prefix = {
          text = "CPU ";
          foreground = "#${c.accent}";
        };

        label = "%percentage%%";
      };

      "module/memory" = {
        type = "internal/memory";
        interval = 2;

        format.prefix = {
          text = "MEM ";
          foreground = "#${c.accent}";
        };

        label = "%gb_used%";
      };

      "module/filesystem" = {
        type = "internal/fs";
        interval = 25;

        mount = [ "/nix" "/persist" ];

        label = {
          mounted = "%{F#${c.accent}}󰋊%{F-} %used%";
          unmounted = {
            text = "%mountpoint%";
            foreground = "#${c.bg3}";
          };
        };
      };

      "module/eth" = {
        type = "internal/network";
        interface.type = "wired";
        interval = 2;

        format.connected = "<label-connected>";
        label.connected = "%{F#${c.accent}}󰈀%{F-} 󰄼 %downspeed% 󰄿 %upspeed%";
      };

      "module/wlan" = {
        type = "internal/network";
        interface.type = "wireless";
        interval = 2;

        format.connected = "<ramp-signal> <label-connected>";
        label.connected = "󰄼 %downspeed% 󰄿 %upspeed%";

        ramp-signal = {
          text = [ "󰤯" "󰤟" "󰤢" "󰤥" "󰤨" ];
          foreground = "#${c.accent}";
        };
      };

      "module/date" = {
        type = "internal/date";
        interval = 1;

        date = "%H:%M";
        date-alt = "%Y-%m-%d %H:%M:%S";

        format.prefix = {
          text = "󰃰 ";
          foreground = "#${c.accent}";
        };
      };
    };
  };
}