//
// Created by stephane bourque on 2022-10-25.
//

#include "Poco/Net/HTTPServerResponse.h"

#include "framework/AuthClient.h"
#include "framework/MicroServiceNames.h"
#include "framework/OpenAPIRequests.h"
#include "framework/utils.h"
#include "fmt/format.h"

namespace OpenWifi {

	bool AuthClient::RetrieveTokenInformation(const std::string & SessionToken,
										 SecurityObjects::UserInfoAndPolicy & UInfo,
										 std::uint64_t TID,
										 bool & Expired, bool & Contacted, bool Sub) {
		try {
			Types::StringPairVec QueryData;
			QueryData.push_back(std::make_pair("token",SessionToken));
			OpenAPIRequestGet	Req(    uSERVICE_SECURITY,
								  Sub ? "/api/v1/validateSubToken" : "/api/v1/validateToken",
								  QueryData,
								  10000);
			Poco::JSON::Object::Ptr Response;

			auto StatusCode = Req.Do(Response);
			if(StatusCode==Poco::Net::HTTPServerResponse::HTTP_GATEWAY_TIMEOUT) {
				Contacted = false;
				return false;
			}

			Contacted = true;
			if(StatusCode==Poco::Net::HTTPServerResponse::HTTP_OK) {
				if(Response->has("tokenInfo") && Response->has("userInfo")) {
					UInfo.from_json(Response);
					if(IsTokenExpired(UInfo.webtoken)) {
						Expired = true;
						return false;
					}
					Expired = false;
					Cache_.update(SessionToken, UInfo);
					return true;
				} else {
					return false;
				}
			}
		} catch (...) {
			poco_error(Logger(),fmt::format("Failed to retrieve token={} for TID={}", Utils::SanitizeToken(SessionToken), TID));
		}
		Expired = false;
		return false;
	}

	bool AuthClient::IsAuthorized(const std::string &SessionToken, SecurityObjects::UserInfoAndPolicy & UInfo,
							 std::uint64_t TID,
							 bool & Expired, bool & Contacted, bool Sub) {
		auto User = Cache_.get(SessionToken);
		if(!User.isNull()) {
			if(IsTokenExpired(User->webtoken)) {
				Expired = true;
				return false;
			}
			Expired = false;
			UInfo = *User;
			return true;
		}
		return RetrieveTokenInformation(SessionToken, UInfo, TID, Expired, Contacted, Sub);
	}

    bool AuthClient::RetrieveApiKeyInformation(const std::string & SessionToken,
                                              SecurityObjects::UserInfoAndPolicy & UInfo,
                                              std::uint64_t TID,
                                              bool & Expired, bool & Contacted) {
        try {
            Types::StringPairVec QueryData;
            QueryData.push_back(std::make_pair("apikey",SessionToken));
            OpenAPIRequestGet	Req(    uSERVICE_SECURITY,
                                         "/api/v1/validateApiKey" ,
                                         QueryData,
                                         10000);
            Poco::JSON::Object::Ptr Response;

            auto StatusCode = Req.Do(Response);
            if(StatusCode==Poco::Net::HTTPServerResponse::HTTP_GATEWAY_TIMEOUT) {
                Contacted = false;
                return false;
            }

            Contacted = true;
            if(StatusCode==Poco::Net::HTTPServerResponse::HTTP_OK) {
                if(Response->has("tokenInfo") && Response->has("userInfo") && Response->has("expiresOn")) {
                    UInfo.from_json(Response);
                    Expired = false;
                    ApiKeyCache_.update(SessionToken, ApiKeyCacheEntry{ .UserInfo = UInfo, .ExpiresOn = Response->get("expiresOn")});
                    return true;
                } else {
                    return false;
                }
            }
        } catch (...) {
            poco_error(Logger(),fmt::format("Failed to retrieve api key={} for TID={}", Utils::SanitizeToken(SessionToken), TID));
        }
        Expired = false;
        return false;
    }

    bool AuthClient::IsValidApiKey(const std::string &SessionToken, SecurityObjects::UserInfoAndPolicy &UInfo,
                                   std::uint64_t TID, bool &Expired, bool &Contacted) {
        auto User = ApiKeyCache_.get(SessionToken);
        if (!User.isNull()) {
            if(User->ExpiresOn < Utils::Now())
            Expired = false;
            UInfo = User->UserInfo;
            return true;
        }
        return RetrieveApiKeyInformation(SessionToken, UInfo, TID, Expired, Contacted);
    }

} // namespace OpenWifi