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#ifndef SRC_TINT_LANG_MSL_WRITER_COMMON_OPTION_HELPERS_H_
#define SRC_TINT_LANG_MSL_WRITER_COMMON_OPTION_HELPERS_H_

#include <unordered_map>

#include "src/tint/api/common/binding_point.h"
#include "src/tint/api/options/external_texture.h"
#include "src/tint/lang/msl/writer/common/options.h"
#include "src/tint/utils/diagnostic/diagnostic.h"

namespace tint::msl::writer {

/// The remapper data
using RemapperData = std::unordered_map<BindingPoint, BindingPoint>;

/// @param options the options
/// @param diagnostics the diagnostics
/// @returns true if the binding points are valid
bool ValidateBindingOptions(const Options& options, diag::List& diagnostics);

/// Populates data from the writer options for the remapper and external texture.
/// @param options the writer options
/// @param remapper_data where to put the remapper data
/// @param external_texture where to store the external texture options
/// Note, these are populated together because there are dependencies between the two types of data.
void PopulateRemapperAndMultiplanarOptions(const Options& options,
                                           RemapperData& remapper_data,
                                           ExternalTextureOptions& external_texture);

}  // namespace tint::msl::writer

#endif  // SRC_TINT_LANG_MSL_WRITER_COMMON_OPTION_HELPERS_H_