#include "config.h"

#include "fx_slot_index.h"

#include "exception.h"


namespace
{

/* NOLINTNEXTLINE(clazy-copyable-polymorphic) Exceptions must be copyable. */
class EaxFxSlotIndexException final : public EaxException {
public:
    explicit EaxFxSlotIndexException(const std::string_view message)
        : EaxException{"EAX_FX_SLOT_INDEX", message}
    { }
};

} // namespace


void EaxFxSlotIndex::set(EaxFxSlotIndexValue index)
{
    if(index >= EaxFxSlotIndexValue{EAX_MAX_FXSLOTS})
        fail("Index out of range.");

    emplace(index);
}

void EaxFxSlotIndex::set(AL_GUID const& guid)
{
    if(guid == EAX_NULL_GUID)
        reset();
    else if(guid == EAXPROPERTYID_EAX40_FXSlot0 || guid == EAXPROPERTYID_EAX50_FXSlot0)
        emplace(0u);
    else if(guid == EAXPROPERTYID_EAX40_FXSlot1 || guid == EAXPROPERTYID_EAX50_FXSlot1)
        emplace(1u);
    else if(guid == EAXPROPERTYID_EAX40_FXSlot2 || guid == EAXPROPERTYID_EAX50_FXSlot2)
        emplace(2u);
    else if(guid == EAXPROPERTYID_EAX40_FXSlot3 || guid == EAXPROPERTYID_EAX50_FXSlot3)
        emplace(3u);
    else
        fail("Unsupported GUID.");
}

[[noreturn]]
void EaxFxSlotIndex::fail(const std::string_view message)
{
    throw EaxFxSlotIndexException{message};
}
