//===----------------------------------------------------------------------===//
//                         DuckDB
//
// duckdb/parser/expression/cast_expression.hpp
//
//
//===----------------------------------------------------------------------===//

#pragma once

#include "duckdb/parser/parsed_expression.hpp"
#include "duckdb/common/types.hpp"

namespace duckdb {

//! CastExpression represents a type cast from one SQL type to another SQL type
class CastExpression : public ParsedExpression {
public:
	static constexpr const ExpressionClass TYPE = ExpressionClass::CAST;

public:
	DUCKDB_API CastExpression(LogicalType target, unique_ptr<ParsedExpression> child, bool try_cast = false);

	//! The child of the cast expression
	unique_ptr<ParsedExpression> child;
	//! The type to cast to
	LogicalType cast_type;
	//! Whether or not this is a try_cast expression
	bool try_cast;

public:
	string ToString() const override;

	static bool Equal(const CastExpression &a, const CastExpression &b);

	unique_ptr<ParsedExpression> Copy() const override;

	void Serialize(FieldWriter &writer) const override;
	static unique_ptr<ParsedExpression> Deserialize(ExpressionType type, FieldReader &source);
	void FormatSerialize(FormatSerializer &serializer) const override;
	static unique_ptr<ParsedExpression> FormatDeserialize(ExpressionType type, FormatDeserializer &deserializer);

public:
	template <class T, class BASE>
	static string ToString(const T &entry) {
		return (entry.try_cast ? "TRY_CAST(" : "CAST(") + entry.child->ToString() + " AS " +
		       entry.cast_type.ToString() + ")";
	}
};
} // namespace duckdb