#include <gmock/gmock.h>
#include <gtest/gtest.h>

#include <rublon/init.hpp>

#include "core_response_generator.hpp"
#include "pam_info_mock.hpp"

using namespace rublon;
using namespace testing;

namespace {
Configuration conf;
}

class CoreHandlerMock : public CoreHandlerInterface< CoreHandlerMock > {
  public:
    CoreHandlerMock() {}

    MOCK_METHOD(( tl::expected< Document, Error > ), request, ( std::string_view, const Document & ), (const));

    CoreHandlerMock & statusPending() {
        gen.status = "pending";
        return *this;
    }

    CoreHandlerMock & brokenBody() {
        gen.generateBrokenData = true;
        return *this;
    }

    CoreHandlerMock & methods(std::initializer_list< std::string > methods) {
        gen.withMethods(methods);
        return *this;
    }

    CoreHandlerMock & tid(std::string tid) {
        gen.withTid(tid);
        return *this;
    }

    operator tl::expected< Document, Error >() {
        auto body = gen.generateBody();

        rublon::Document doc;
        doc.Parse(body.c_str());

        return doc;
    }

    auto create() {
        return static_cast< tl::expected< Document, Error > >(*this);
    }

    CoreResponseGenerator gen;
};

class MethodFactoryMock {
  public:
    using MethodFactoryCreate_t = tl::expected< MethodProxy, Error >;

    template < typename... Args >
    MethodFactoryMock(Args &&...) {}
    
    MOCK_METHOD(MethodFactoryCreate_t, create, (const mocks::PamInfoMock &, std::string tid), (const));
};

class RublonHttpInitTest : public testing::Test {
  public:
    void expectDefaultPamInfo() {
        EXPECT_CALL(pam, ip()).WillOnce(Return("192.168.0.1"));
        EXPECT_CALL(pam, username()).WillOnce(Return("bwi"));
    }

    RublonHttpInitTest() : coreHandler{}, pam{}, sut{conf} {
        expectDefaultPamInfo();
    }

    CoreHandlerMock coreHandler;
    mocks::PamInfoMock pam;
    Init< MethodFactoryMock > sut;
    //    MethodFactoryMock &methodFactoryMock;
};

using CoreReturn = tl::expected< Document, CoreHandlerError >;

TEST_F(RublonHttpInitTest, initializationSendsRequestOnGoodPath) {
    EXPECT_CALL(coreHandler, request("/api/transaction/init", _))
      .WillOnce(Return(tl::unexpected{CoreHandlerError{CoreHandlerError::BadSigature}}));
    sut.handle(coreHandler, pam);
}
/// TODO fix

//MATCHER_P(HoldsPamAction, action, "") {
//    return not arg.has_value() && arg.error() == action;
//}

//TEST_F(RublonHttpInitTest, rublon_Accept_pamLoginWhenThereIsNoConnection) {
//    EXPECT_CALL(coreHandler, request(_, _)).WillOnce(Return(tl::unexpected{CoreHandlerError{CoreHandlerError::ConnectionError}}));
//    EXPECT_THAT(sut.handle(coreHandler, pam), HoldsPamAction(PamAction::decline));
//}

//TEST_F(RublonHttpInitTest, rublon_Decline_pamLoginWhenServerHasBadSignature) {
//    EXPECT_CALL(coreHandler, request(_, _)).WillOnce(Return(tl::unexpected{CoreHandlerError{CoreHandlerError::BadSigature}}));
//    EXPECT_THAT(sut.handle(coreHandler, pam), HoldsPamAction(PamAction::decline));
//}

//TEST_F(RublonHttpInitTest, rublon_Decline_pamLoginWhenServerReturnsBrokenData) {
//    EXPECT_CALL(coreHandler, request(_, _)).WillOnce(Return(tl::unexpected{CoreHandlerError{CoreHandlerError::BrokenData}}));
//    EXPECT_THAT(sut.handle(coreHandler, pam), HoldsPamAction(PamAction::decline));
//}

//TEST_F(RublonHttpInitTest, rublon_Decline_pamLoginWhenServerReturnsCoreException) {
//    EXPECT_CALL(coreHandler, request(_, _)).WillOnce(Return(tl::unexpected{CoreHandlerError{CoreHandlerError::CoreException}}));
//    EXPECT_THAT(sut.handle(coreHandler, pam), HoldsPamAction(PamAction::decline));
//}

//TEST_F(RublonHttpInitTest, AllNeededInformationNeedsToBePassedToMethodFactory) {
//    EXPECT_CALL(coreHandler, request(_, _))
//      .WillOnce(Return(coreHandler.statusPending().methods({"sms", "otp"}).tid("transaction ID").create()));
//    //    EXPECT_CALL(methodFactoryMock, create_mocked(_,"transaction ID") );
//    sut.handle(coreHandler, pam);
//}