using namespace jwt::params;

jwt::jwt_object obj{algorithm("HS256"), secret("secret"), payload({{"user", "admin"}})};

//Use add_claim API to add claim values which are

// _not_ strings.

// For eg: `iat` and `exp` claims below.

// Other claims could have been added in the payload

// function above as they are just stringy things.

obj.add_claim("iss", "arun.muralidharan")

.add_claim("sub", "test")

.add_claim("id", "a-b-c-d-e-f-1-2-3")

.add_claim("iat", 1513862371)

.add_claim("exp", std::chrono::system_clock::now() + std::chrono::seconds{10})

;

//Use `has_claim` to check if the claim exists or not

assert (obj.has_claim("iss"));

assert (obj.has_claim("exp"));

//Use `has_claim_with_value` to check if the claim exists

//with a specific value or not.

assert (obj.payload().has_claim_with_value("id", "a-b-c-d-e-f-1-2-3"));

assert (obj.payload().has_claim_with_value("iat", 1513862371));

//Remove a claim using `remove_claim` API.

//Most APIs have an overload which takes enum class type as well

//It can be used interchangeably with strings.

obj.remove_claim(jwt::registered_claims::expiration);

assert (not obj.has_claim("exp"));

//Using `add_claim` with extra features.

//Check return status and overwrite

assert (not obj.payload().add_claim("sub", "new test", false/*overwrite*/));

// Overwrite an existing claim

assert (obj.payload().add_claim("sub", "new test", true/*overwrite*/));

assert (obj.payload().has_claim_with_value("sub", "new test"));

return 0;