#pragma once

#include "envoy/type/matcher/v3/regex.pb.h"

#include "source/common/common/regex.h"

#include "absl/status/statusor.h"

namespace Envoy {

namespace Matcher {

class RegexReplace {

public:

  RegexReplace(Regex::CompiledMatcherPtr regex, std::string&& substitution)

  // Create a RegexReplace from a RegexMatchAndSubstitute proto message.

  //

  // If the proto has no pattern, returns nullopt.

  static absl::StatusOr<RegexReplace>

  create(Regex::Engine& engine, const ::envoy::type::matcher::v3::RegexMatchAndSubstitute& proto);

  // Returns a string of the input string with the regex replace applied.

  std::string apply(absl::string_view in) const;

private:

  Regex::CompiledMatcherPtr regex_{};

  const std::string substitution_{};

};

} // namespace Matcher

} // namespace Envoy