// A customer phone or an old cache does not prove an asset association exists.
export const optionalBoolean = (value) => {
	if (value === true || value === 1) return true;
	if (value === false || value === 0) return false;
	return null;
};

export const getPhoneBindingMode = (customerPhone, assetPhoneBound) => {
	if (customerPhone === null || assetPhoneBound === null) return 'unknown';
	if (!customerPhone) return assetPhoneBound ? 'customer' : 'customer-asset';
	return assetPhoneBound ? 'none' : 'asset';
};

export const getBindingSuccessState = (state, phone, mode) => {
	if (mode === 'customer-asset') {
		return { customerPhone: phone, assetPhoneBound: true, assetPhoneIsOwn: true, needBindPhone: false };
	}
	if (mode === 'asset') {
		return { assetPhoneBound: true, assetPhoneIsOwn: phone === state.customerPhone, needBindPhone: false };
	}
	if (mode === 'customer') {
		return { customerPhone: phone, assetPhoneIsOwn: null, needBindPhone: false };
	}
	// An ambiguous success response does not identify which phone was changed.
	return { needBindPhone: false };
};