// SPDX-License-Identifier: MIT
#ifndef DBC_ATTRIBUTES_H
#define DBC_ATTRIBUTES_H

#include <cstdint>
#include <map>
#include <optional>
#include <string>
#include <variant>
#include <vector>

enum class AttributeScope {
    Database,
    Node,
    Frame,
    Signal,
    Environment
};

enum class AttributeType {
    Integer,
    Hex,
    Float,
    String,
    Enum
};

using AttributeValue = std::variant<std::int64_t, double, std::string>;
using AttributeMap = std::map<std::string, AttributeValue>;

struct AttributeDefinition {
    AttributeScope scope = AttributeScope::Database;
    AttributeType type = AttributeType::String;
    std::int64_t integerMinimum = 0;
    std::int64_t integerMaximum = 0;
    double minimum = 0.0;
    double maximum = 0.0;
    std::vector<std::string> enumValues;
    std::optional<AttributeValue> defaultValue;
};

/** Explicit assignment; defaults remain on definitions. Named nodes/environment
 * variables are retained without validating declarations, which are not parsed. */
struct AttributeAssignment {
    std::string name;
    AttributeScope scope = AttributeScope::Database;
    std::uint32_t canId = 0U;
    bool isExtended = false;
    std::string targetName;
    AttributeValue value;
};

#endif