#ifndef EXECUTOR_HPP
#define EXECUTOR_HPP

#include "matador/utils/error.hpp"
#include "matador/utils/result.hpp"

#include <memory>

namespace matador::sql {

struct query_context;
class query_result_impl;
class statement;

class dialect_executor_mixin {
public:
  virtual ~dialect_executor_mixin() = default;
  [[nodiscard]] virtual const class dialect& dialect() const = 0;
};

class prepared_executor : public dialect_executor_mixin {
public:
  [[nodiscard]] virtual utils::result<statement, utils::error> prepare(const query_context &ctx) = 0;
};

class executor : public dialect_executor_mixin {
public:
  [[nodiscard]] virtual utils::result<size_t, utils::error> execute(const query_context &ctx) const = 0;
  [[nodiscard]] virtual utils::result<std::unique_ptr<query_result_impl>, utils::error> fetch(const query_context &ctx) const = 0;

  [[nodiscard]] virtual std::string str(const query_context &ctx) const = 0;
};

}

#endif //EXECUTOR_HPP