#ifndef QUERY_COLUMN_HPP
#define QUERY_COLUMN_HPP

#include <string>

namespace matador::sql {

enum class sql_function_t {
  NONE,
  COUNT,
  AVG,
  SUM,
  MIN,
  MAX
};

struct column
{
  column(const char *name) : name(name) {} // NOLINT(*-explicit-constructor)
  column(std::string name) : name(std::move(name)) {} // NOLINT(*-explicit-constructor)
  column(sql_function_t func, std::string name) : name(std::move(name)), function_(func) {} // NOLINT(*-explicit-constructor)
  column(std::string table_name, std::string name, std::string as)
  : table(std::move(table_name))
  , name(std::move(name))
  , alias(std::move(as)) {} // NOLINT(*-explicit-constructor)

  column& as(std::string a) {
    alias = std::move(a);
    return *this;
  }

  [[nodiscard]] bool is_function() const {
    return function_ != sql_function_t::NONE;
  }

  std::string table;
  std::string name;
  std::string alias;
  sql_function_t function_{sql_function_t::NONE};
};

column operator "" _col(const char *name, size_t len);

}
#endif //QUERY_COLUMN_HPP