package com.krylov.refound.util;

import com.krylov.refound.entity.Post;
import org.springframework.data.jpa.domain.Specification;

public class PostSpecification {
  public static Specification<Post> hasSearch(String search) {
    return (root, query, cb) -> {
      if (search == null || search.isBlank()) {
        return cb.conjunction();
      }
      String pattern = "%" + search.toLowerCase() + "%";
      return cb.or(
          cb.like(cb.lower(root.get("title")), pattern),
          cb.like(cb.lower(root.get("description")), pattern)
      );
    };
  }

  public static Specification<Post> hasType(String type) {
    return (root, query, cb) -> {
      if (type == null || type.isBlank()) return cb.conjunction();
      return cb.equal(cb.lower(root.get("type")), type.toLowerCase());
    };
  }
}