#pragma once

#include <xrpl/json/json_value.h>
#include <xrpl/protocol/STObject.h>

#include <cstddef>
#include <optional>
#include <string>

namespace xrpl {

/**
 * Maximum JSON object nesting depth permitted during parsing.
 */
inline constexpr std::size_t kMaxParsedJsonDepth = 64;

/**
 * Maximum number of elements permitted in any JSON array field during parsing.
 * Requests exceeding this limit are rejected with an invalidParams error.
 */
inline constexpr std::size_t kMaxParsedJsonArraySize = 512;

/**
 * Holds the serialized result of parsing an input JSON object.
 * This does validation and checking on the provided JSON.
 */
class STParsedJSONObject
{
public:
    /**
     * Parses and creates an STParsedJSON object.
     * The result of the parsing is stored in object and error.
     *
     * @note Does not throw.
     *
     * @param name The name of the JSON field, used in diagnostics.
     * @param json The JSON-RPC to parse.
     */
    STParsedJSONObject(std::string const& name, json::Value const& json);

    STParsedJSONObject() = delete;
    STParsedJSONObject(STParsedJSONObject const&) = delete;
    STParsedJSONObject&
    operator=(STParsedJSONObject const&) = delete;
    ~STParsedJSONObject() = default;

    /**
     * The STObject if the parse was successful.
     */
    std::optional<STObject> object;

    /**
     * On failure, an appropriate set of error values.
     */
    json::Value error;
};

}  // namespace xrpl