import ExpoModulesCore

/** 
    Specification reference: https://w3c.github.io/webauthn/#typedefdef-publickeycredentialjson
*/
typealias PublicKeyCredentialJSON = Either<RegistrationResponseJSON, AuthenticationResponseJSON>

/**
    Specification reference: https://w3c.github.io/webauthn/#dictdef-registrationresponsejson
*/
internal struct RegistrationResponseJSON: Record {
    @Field
    var id: Base64URLString

    @Field
    var rawId: Base64URLString

    @Field
    var response: AuthenticatorAttestationResponseJSON
    
    @Field
    var authenticatorAttachment: AuthenticatorAttachment?

    @Field
    var clientExtensionResults: AuthenticationExtensionsClientOutputsJSON?

    @Field
    var type: PublicKeyCredentialType = .publicKey
}

/**
    Specification reference: https://w3c.github.io/webauthn/#dictdef-authenticatorattestationresponsejson
*/
internal struct AuthenticatorAttestationResponseJSON: Record {
     
    @Field
    var clientDataJSON: Base64URLString

    // - Required in L3 but not in L2 so leaving optional as most have not adapted L3 yet
    @Field
    var authenticatorData: Base64URLString?
   
    // - Required in L3 but not in L2 so leaving optional as most have not adapted L3 yet
    @Field
    var transports: [AuthenticatorTransport]?

    @Field
    var publicKeyAlgorithm: Int?

    @Field
    var publicKey: Base64URLString?
    
    @Field
    var attestationObject: Base64URLString
}

/**
    Specification reference: https://w3c.github.io/webauthn/#dictdef-authenticationresponsejson
*/
internal struct AuthenticationResponseJSON: Record {
    
    @Field
    var type: PublicKeyCredentialType = .publicKey
    
    // - base64URL version of rawId
    @Field
    var id: Base64URLString

    @Field
    var rawId: Base64URLString?

    @Field
    var authenticatorAttachment: AuthenticatorAttachment?
    
    @Field
    var response: AuthenticatorAssertionResponseJSON
    
    @Field
    var clientExtensionResults: AuthenticationExtensionsClientOutputsJSON?
}

/**
    Specification reference: https://w3c.github.io/webauthn/#dictdef-authenticatorassertionresponsejson
*/
internal struct AuthenticatorAssertionResponseJSON: Record {
    
    @Field
    var authenticatorData: Base64URLString

    @Field
    var clientDataJSON: Base64URLString

    @Field
    var signature: Base64URLString
    
    @Field
    var userHandle: Base64URLString?

    @Field
    var attestationObject: Base64URLString?
    
}

/**
    Specification reference: https://w3c.github.io/webauthn/#dictdef-authenticationextensionsclientoutputsjson
*/
internal struct  AuthenticationExtensionsClientOutputsJSON: Record {

    // ? this is only available in iOS 17 but I cannot set this here
    // @available(iOS 17.0, *)
    @Field
    var largeBlob: AuthenticationExtensionsLargeBlobOutputsJSON?
    
}

/**
 We convert this to `AuthenticationExtensionsLargeBlobOutputsJSON` instead of `AuthenticationExtensionsLargeBlobOutputs` for consistency
 and because it is what is actually returned to RN

 Specification reference: https://w3c.github.io/webauthn/#dictdef-authenticationextensionslargebloboutputs
 */
internal struct AuthenticationExtensionsLargeBlobOutputsJSON: Record {

    @Field
    var supported: Bool?;

    @Field
    var blob: Base64URLString?;

    @Field
    var written: Bool?;
};