use jwt_simple::claims::JWTClaims;
use jwt_simple::prelude::Duration;

pub struct AccessToken {
    pub issuer: String,
    pub subject_identifier: String,
    pub issued_at: u64,
    pub exp_time: u64,
    pub rand_val: String,
    pub nonce: Option<String>,
}

#[derive(serde::Serialize, serde::Deserialize)]
pub struct CustomAccessTokenClaims {
    rand_val: String,
}

impl AccessToken {
    pub fn to_jwt_claims(self) -> JWTClaims<CustomAccessTokenClaims> {
        JWTClaims {
            issued_at: Some(Duration::from_secs(self.issued_at)),
            expires_at: Some(Duration::from_secs(self.exp_time)),
            invalid_before: None,
            issuer: Some(self.issuer),
            subject: Some(self.subject_identifier),
            audiences: None,
            jwt_id: None,
            nonce: self.nonce,
            custom: CustomAccessTokenClaims {
                rand_val: self.rand_val
            },
        }
    }
}