import * as utils from "../utils";
import { base } from "./base";
import { evaluate } from "typescript-misc";

export const maxIdentifierBlocks = evaluate(() => {
  const suffix = "[name=/^[A-Z]*[^A-Z]+([A-Z]+[^A-Z]+){4}/u]";

  return utils.wrapRule({
    rule: base["no-restricted-syntax"],
    options: [
      {
        ignoreSelector: "Property[shorthand=true] > Identifier.key",
        message: "Identifier should not contain more than 4 blocks",
        selector: [`.id${suffix}`, `.key${suffix}`]
      }
    ],
    docs: {
      description: "Restricts identifier complexity.",
      failExamples: "function firstSecondThirdFourthPart() {}",
      passExamples: "function firstSecondThirdPart() {}"
    }
  });
});