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#ifndef SRC_TINT_LANG_WGSL_AST_ATTRIBUTE_H_
#define SRC_TINT_LANG_WGSL_AST_ATTRIBUTE_H_

#include <string>

#include "src/tint/lang/wgsl/ast/node.h"
#include "src/tint/utils/containers/vector.h"

namespace tint::ast {

/// The base class for all attributes
class Attribute : public Castable<Attribute, Node> {
  public:
    ~Attribute() override;

    /// @returns the WGSL name for the attribute
    virtual std::string Name() const = 0;

  protected:
    /// Constructor
    /// @param pid the identifier of the program that owns this node
    /// @param nid the unique node identifier
    /// @param src the source of this node
    Attribute(GenerationID pid, NodeID nid, const Source& src) : Base(pid, nid, src) {}
};

/// @param attributes the list of attributes to search
/// @returns true if `attributes` includes a attribute of type `T`
template <typename... Ts>
bool HasAttribute(VectorRef<const Attribute*> attributes) {
    for (auto* attr : attributes) {
        if (attr->IsAnyOf<Ts...>()) {
            return true;
        }
    }
    return false;
}

/// @param attributes the list of attributes to search
/// @returns a pointer to `T` from `attributes` if found, otherwise nullptr.
template <typename T>
const T* GetAttribute(VectorRef<const Attribute*> attributes) {
    for (auto* attr : attributes) {
        if (attr->Is<T>()) {
            return attr->As<T>();
        }
    }
    return nullptr;
}

}  // namespace tint::ast

#endif  // SRC_TINT_LANG_WGSL_AST_ATTRIBUTE_H_