{ config, pkgs, lib, ... }:
with lib;
let
  cfg = config.plugins.copilot;
in
{
  options = {
    plugins.copilot = {
      enable = mkEnableOption "copilot";
      package = mkOption {
        type = types.package;
        description = "The copilot plugin package to use";
        default = pkgs.vimPlugins.copilot-vim;
      };
      filetypes = mkOption {
        type = types.attrsOf types.bool;
        description = "A dictionary mapping file types to their enabled status";
        default = { };
        example = literalExpression ''{
          "*": false,
          python: true
        }'';
      };
      proxy = mkOption {
        type = types.nullOr types.str;
        description = "Tell Copilot what proxy server to use.";
        default = null;
        example = "localhost:3128";
      };
    };
  };

  config =
    mkIf cfg.enable {
      extraPlugins = [ cfg.package ];
      globals = {
        copilot_node_command = "${pkgs.nodejs-16_x}/bin/node";
        copilot_filetypes = cfg.filetypes;
      } // (if cfg.proxy != null then { copilot_proxy = cfg.proxy; } else { });
    };
}