{ pkgs, config, lib, ... }:

let
  mod = "Mod4";
  workspaces = [
    "1: web"
    "2: chat"
    "3: code"
    "4: music"
    "5: extra"
    "6: 6"
    "7: 7"
    "8: 8"
    "9: 9"
    "10: 10"
  ];
  wsAttrs = builtins.listToAttrs (
    map
      (i: { name = toString (remainder i 10); value = builtins.elemAt workspaces (i - 1); })
      (range 1 11)
  );
  remainder = x: y: x - (builtins.div x y) * y;
  range = from: to:
    let
      f = cur: if cur == to then [ ] else [ cur ] ++ f (cur + 1);
    in
    f from;
in
{
  imports = [ ./i3/screenshot.nix ];

  ## i3 window manager
  xsession.windowManager.i3 = {
    enable = true;
    config.assigns = {
      "${wsAttrs."1"}" = [{ class = "^firefox$"; }];
      "${wsAttrs."2"}" = [{ class = "^discord$"; }];
    };
    config.bars = [{
      command = "${pkgs.i3-gaps}/bin/i3bar -t";
      statusCommand = "${pkgs.i3status-rust}/bin/i3status-rs ~/.config/i3status-rust/config-default.toml";
      position = "top";
      colors = {
        background = "#00000080";
        statusline = "#ffffff";
        separator = "#666666";

        focusedWorkspace = { background = "#4c7899"; border = "#285577"; text = "#ffffff"; };
        activeWorkspace = { background = "#333333"; border = "#5f676a"; text = "#ffffff"; };
        inactiveWorkspace = { background = "#333333"; border = "#222222"; text = "#888888"; };
        urgentWorkspace = { background = "#2f343a"; border = "#900000"; text = "#ffffff"; };
        bindingMode = { background = "#2f343a"; border = "#900000"; text = "#ffffff"; };
      };
    }];
    config.focus.newWindow = "none";
    config.fonts = { names = [ "FantasqueSansMono Nerd Font Mono" "monospace" ]; size = 11.0; };
    config.gaps.outer = 5;
    config.gaps.inner = 5;
    config.gaps.smartGaps = true;
    config.modifier = mod;
    config.terminal = "alacritty";
    config.window.titlebar = false;

    # Keybindings
    config.keybindings = lib.mkOptionDefault ({
      ## vim-style movements
      "${mod}+h" = "focus left";
      "${mod}+j" = "focus down";
      "${mod}+k" = "focus up";
      "${mod}+l" = "focus right";
      "${mod}+Shift+h" = "move left";
      "${mod}+Shift+j" = "move down";
      "${mod}+Shift+k" = "move up";
      "${mod}+Shift+l" = "move right";
      ## Splits
      "${mod}+v" = "split v";
      "${mod}+Shift+v" = "split h";
      ## Run
      "${mod}+r" = "exec ${pkgs.dmenu}/bin/dmenu_run";
      "${mod}+d" = "exec i3-dmenu-desktop --dmenu='${pkgs.dmenu}/bin/dmenu -i'";
    } // (
      builtins.listToAttrs (lib.flatten (map
        (key: [
          {
            name = "${mod}+${key}";
            value = "workspace ${builtins.getAttr key wsAttrs}";
          }
          {
            name = "${mod}+Shift+${key}";
            value = "move to workspace ${builtins.getAttr key wsAttrs}";
          }
        ])
        (builtins.attrNames wsAttrs))
      )));

    # Workspace
    config.defaultWorkspace = "workspace ${builtins.getAttr "1" wsAttrs}";
    config.startup = [
      { command = "firefox"; }
      { command = "discord"; }
      { command = "dex -ae i3"; }
      { command = "ibus-daemon -drxR"; }
    ];
  };


  # i3status
  programs.i3status-rust.enable = true;
  programs.i3status-rust.bars.default = {
    icons = "material-nf";
    theme = "native";
    settings = {
      icons_format = " <span font_family='FantasqueSansMono Nerd Font'>{icon}</span> ";
    };
    blocks = [
      # {
      #   block = "bluetooth";
      #   mac = "5C:52:30:D8:E2:9D";
      #   format = "Airpods Pro {percentage}";
      #   format_unavailable = "Airpods Pro XX";
      # }
      {
        block = "cpu";
        format = "{utilization}";
      }
      {
        block = "hueshift";
      }
      {
        block = "memory";
      }
      {
        block = "net";
      }
      {
        block = "sound";
      }
      {
        block = "time";
      }
    ];
  };
}