#pragma once

#include <chrono>

#include <cstdint>

#include <list>

#include <map>

#include <memory>

#include <string>

#include <vector>

#include "envoy/common/time.h"

#include "envoy/config/config_provider.h"

#include "envoy/config/core/v3/base.pb.h"

#include "envoy/config/route/v3/route.pb.h"

#include "envoy/config/typed_metadata.h"

#include "envoy/event/dispatcher.h"

#include "envoy/extensions/filters/network/http_connection_manager/v3/http_connection_manager.pb.h"

#include "envoy/http/hash_policy.h"

#include "envoy/http/stateful_session.h"

#include "envoy/local_info/local_info.h"

#include "envoy/router/cluster_specifier_plugin.h"

#include "envoy/router/rds.h"

#include "envoy/router/route_config_provider_manager.h"

#include "envoy/router/router.h"

#include "envoy/router/router_ratelimit.h"

#include "envoy/router/scopes.h"

#include "envoy/router/shadow_writer.h"

#include "envoy/runtime/runtime.h"

#include "envoy/stream_info/filter_state.h"

#include "envoy/thread_local/thread_local.h"

#include "envoy/type/v3/percent.pb.h"

#include "envoy/upstream/cluster_manager.h"

#include "source/common/stats/symbol_table.h"

#include "test/mocks/stats/mocks.h"

#include "test/mocks/upstream/host.h"

#include "test/test_common/global.h"

#include "gmock/gmock.h"

namespace Envoy {

namespace Router {

using ::testing::NiceMock;

struct MockRouteMetadataObj : public Envoy::Config::TypedMetadata::Object {};

class MockRouteMetadata : public Envoy::Config::TypedMetadata {

public:

  const Envoy::Config::TypedMetadata::Object* getData(const std::string&) const override {

    return &object_;

  }

private:

  MockRouteMetadataObj object_;

};

class MockDirectResponseEntry : public DirectResponseEntry {

public:

  MockDirectResponseEntry();

  ~MockDirectResponseEntry() override;

  // DirectResponseEntry

  MOCK_METHOD(void, finalizeResponseHeaders,

              (Http::ResponseHeaderMap & headers, const StreamInfo::StreamInfo& stream_info),

              (const));

  MOCK_METHOD(Http::HeaderTransforms, responseHeaderTransforms,

              (const StreamInfo::StreamInfo& stream_info, bool do_formatting), (const));

  MOCK_METHOD(std::string, newUri, (const Http::RequestHeaderMap& headers), (const));

  MOCK_METHOD(void, rewritePathHeader,

              (Http::RequestHeaderMap & headers, bool insert_envoy_original_path), (const));

  MOCK_METHOD(Http::Code, responseCode, (), (const));

  MOCK_METHOD(const std::string&, responseBody, (), (const));

};

class TestCorsPolicy : public CorsPolicy {

public:

  // Router::CorsPolicy

  const std::vector<Matchers::StringMatcherPtr>& allowOrigins() const override {

    return allow_origins_;

  };

  const std::string& allowMethods() const override { return allow_methods_; };

  const std::string& allowHeaders() const override { return allow_headers_; };

  const std::string& exposeHeaders() const override { return expose_headers_; };

  const std::string& maxAge() const override { return max_age_; };

  const absl::optional<bool>& allowCredentials() const override { return allow_credentials_; };

  const absl::optional<bool>& allowPrivateNetworkAccess() const override {

    return allow_private_network_access_;

  };

  bool enabled() const override { return enabled_; };

  bool shadowEnabled() const override { return shadow_enabled_; };

  const absl::optional<bool>& forwardNotMatchingPreflights() const override {

    return forward_not_matching_preflights_;

  };

  std::vector<Matchers::StringMatcherPtr> allow_origins_;

  std::string allow_methods_;

  std::string allow_headers_;

  std::string expose_headers_;

  std::string max_age_{};

  absl::optional<bool> allow_credentials_;

  absl::optional<bool> allow_private_network_access_;

  bool enabled_{};

  bool shadow_enabled_{};

  absl::optional<bool> forward_not_matching_preflights_;

};

class TestHedgePolicy : public HedgePolicy {

public:

  // Router::HedgePolicy

  uint32_t initialRequests() const override { return initial_requests_; }

  const envoy::type::v3::FractionalPercent& additionalRequestChance() const override {

    return additional_request_chance_;

  }

  bool hedgeOnPerTryTimeout() const override { return hedge_on_per_try_timeout_; }

  uint32_t initial_requests_{};

  envoy::type::v3::FractionalPercent additional_request_chance_{};

  bool hedge_on_per_try_timeout_{};

};

class TestRetryPolicy : public RetryPolicy {

public:

  TestRetryPolicy();

  ~TestRetryPolicy() override;

  // Router::RetryPolicy

  std::chrono::milliseconds perTryTimeout() const override { return per_try_timeout_; }

  std::chrono::milliseconds perTryIdleTimeout() const override { return per_try_idle_timeout_; }

  uint32_t numRetries() const override { return num_retries_; }

  uint32_t retryOn() const override { return retry_on_; }

  MOCK_METHOD(std::vector<Upstream::RetryHostPredicateSharedPtr>, retryHostPredicates, (), (const));

  MOCK_METHOD(Upstream::RetryPrioritySharedPtr, retryPriority, (), (const));

  absl::Span<const Upstream::RetryOptionsPredicateConstSharedPtr>

  retryOptionsPredicates() const override {

    return retry_options_predicates_;

  }

  uint32_t hostSelectionMaxAttempts() const override { return host_selection_max_attempts_; }

  const std::vector<uint32_t>& retriableStatusCodes() const override {

    return retriable_status_codes_;

  }

  const std::vector<Http::HeaderMatcherSharedPtr>& retriableHeaders() const override {

    return retriable_headers_;

  }

  const std::vector<Http::HeaderMatcherSharedPtr>& retriableRequestHeaders() const override {

    return retriable_request_headers_;

  }

  absl::optional<std::chrono::milliseconds> baseInterval() const override { return base_interval_; }

  absl::optional<std::chrono::milliseconds> maxInterval() const override { return max_interval_; }

  std::chrono::milliseconds resetMaxInterval() const override { return reset_max_interval_; }

  const std::vector<ResetHeaderParserSharedPtr>& resetHeaders() const override {

    return reset_headers_;

  }

  std::chrono::milliseconds per_try_timeout_{0};

  std::chrono::milliseconds per_try_idle_timeout_{0};

  uint32_t num_retries_{};

  uint32_t retry_on_{};

  uint32_t host_selection_max_attempts_{0};

  std::vector<uint32_t> retriable_status_codes_;

  std::vector<Http::HeaderMatcherSharedPtr> retriable_headers_;

  std::vector<Http::HeaderMatcherSharedPtr> retriable_request_headers_;

  absl::optional<std::chrono::milliseconds> base_interval_{};

  absl::optional<std::chrono::milliseconds> max_interval_{};

  std::vector<ResetHeaderParserSharedPtr> reset_headers_{};

  std::chrono::milliseconds reset_max_interval_{300000};

  std::vector<Upstream::RetryOptionsPredicateConstSharedPtr> retry_options_predicates_;

};

class MockInternalRedirectPolicy : public InternalRedirectPolicy {

public:

  MockInternalRedirectPolicy();

  MOCK_METHOD(bool, enabled, (), (const));

  MOCK_METHOD(bool, shouldRedirectForResponseCode, (const Http::Code& response_code), (const));

  MOCK_METHOD(std::vector<InternalRedirectPredicateSharedPtr>, predicates, (), (const));

  MOCK_METHOD(uint32_t, maxInternalRedirects, (), (const));

  MOCK_METHOD(bool, isCrossSchemeRedirectAllowed, (), (const));

  MOCK_METHOD(const std::vector<Http::LowerCaseString>&, responseHeadersToCopy, (), (const));

};

class MockInternalRedirectPredicate : public InternalRedirectPredicate {

public:

  MOCK_METHOD(bool, acceptTargetRoute, (StreamInfo::FilterState&, absl::string_view, bool, bool));

  MOCK_METHOD(absl::string_view, name, (), (const));

};

class MockPathRewriter : public PathRewriter {

public:

  MOCK_METHOD(absl::string_view, name, (), (const));

  MOCK_METHOD(absl::StatusOr<std::string>, rewritePath,

              (absl::string_view path, absl::string_view rewrite_pattern), (const));

  MOCK_METHOD(absl::string_view, uriTemplate, (), (const));

  MOCK_METHOD(absl::Status, isCompatiblePathMatcher, (PathMatcherSharedPtr path_matcher), (const));

};

class MockPathMatcher : public PathMatcher {

public:

  MOCK_METHOD(absl::string_view, name, (), (const));

  MOCK_METHOD(bool, match, (absl::string_view path), (const));

  MOCK_METHOD(absl::string_view, uriTemplate, (), (const));

};

class MockRetryState : public RetryState {

public:

  MockRetryState();

  ~MockRetryState() override;

  void expectHeadersRetry();

  void expectHedgedPerTryTimeoutRetry();

  void expectResetRetry();

  MOCK_METHOD(bool, enabled, ());

  MOCK_METHOD(absl::optional<std::chrono::milliseconds>, parseResetInterval,

              (const Http::ResponseHeaderMap& response_headers), (const));

  MOCK_METHOD(RetryStatus, shouldRetryHeaders,

              (const Http::ResponseHeaderMap& response_headers,

               const Http::RequestHeaderMap& original_request, DoRetryHeaderCallback callback));

  MOCK_METHOD(RetryState::RetryDecision, wouldRetryFromHeaders,

              (const Http::ResponseHeaderMap& response_headers,

               const Http::RequestHeaderMap& original_request, bool& retry_as_early_data));

  MOCK_METHOD(RetryStatus, shouldRetryReset,

              (const Http::StreamResetReason reset_reason, Http3Used alternate_protocol_used,

               DoRetryResetCallback callback, bool upstream_request_started));

  MOCK_METHOD(RetryStatus, shouldHedgeRetryPerTryTimeout, (DoRetryCallback callback));

  MOCK_METHOD(void, onHostAttempted, (Upstream::HostDescriptionConstSharedPtr));

  MOCK_METHOD(bool, shouldSelectAnotherHost, (const Upstream::Host& host));

  MOCK_METHOD(const Upstream::HealthyAndDegradedLoad&, priorityLoadForRetry,

              (const Upstream::PrioritySet&, const Upstream::HealthyAndDegradedLoad&,

               const Upstream::RetryPriority::PriorityMappingFunc&));

  MOCK_METHOD(uint32_t, hostSelectionMaxAttempts, (), (const));

  MOCK_METHOD(bool, wouldRetryFromRetriableStatusCode, (Http::Code code), (const));

  DoRetryCallback callback_;

};

class MockRateLimitPolicyEntry : public RateLimitPolicyEntry {

public:

  MockRateLimitPolicyEntry();

  ~MockRateLimitPolicyEntry() override;

  // Router::RateLimitPolicyEntry

  MOCK_METHOD(uint64_t, stage, (), (const));

  MOCK_METHOD(const std::string&, disableKey, (), (const));

  MOCK_METHOD(void, populateDescriptors,

              (std::vector<Envoy::RateLimit::Descriptor> & descriptors,

               const std::string& local_service_cluster, const Http::RequestHeaderMap& headers,

               const StreamInfo::StreamInfo& info),

              (const));

  MOCK_METHOD(void, populateLocalDescriptors,

              (std::vector<Envoy::RateLimit::LocalDescriptor> & descriptors,

               const std::string& local_service_cluster, const Http::RequestHeaderMap& headers,

               const StreamInfo::StreamInfo& info),

              (const));

  uint64_t stage_{};

  std::string disable_key_;

};

class MockRateLimitPolicy : public RateLimitPolicy {

public:

  MockRateLimitPolicy();

  ~MockRateLimitPolicy() override;

  // Router::RateLimitPolicy

  MOCK_METHOD(std::vector<std::reference_wrapper<const RateLimitPolicyEntry>>&,

              getApplicableRateLimit, (uint64_t stage), (const));

  MOCK_METHOD(bool, empty, (), (const));

  std::vector<std::reference_wrapper<const Router::RateLimitPolicyEntry>> rate_limit_policy_entry_;

};

class MockShadowWriter : public ShadowWriter {

public:

  MockShadowWriter();

  ~MockShadowWriter() override;

  // Router::ShadowWriter

  void shadow(const std::string& cluster, Http::RequestMessagePtr&& request,

              const Http::AsyncClient::RequestOptions& options) override {

    shadow_(cluster, request, options);

  }

  MOCK_METHOD(void, shadow_,

              (const std::string& cluster, Http::RequestMessagePtr& request,

               const Http::AsyncClient::RequestOptions& options));

  Http::AsyncClient::OngoingRequest*

  streamingShadow(const std::string& cluster, Http::RequestHeaderMapPtr&& request,

                  const Http::AsyncClient::RequestOptions& options) override {

    return streamingShadow_(cluster, request, options);

  }

  MOCK_METHOD(Http::AsyncClient::OngoingRequest*, streamingShadow_,

              (const std::string& cluster, Http::RequestHeaderMapPtr& request,

               const Http::AsyncClient::RequestOptions& options));

};

class TestVirtualCluster : public VirtualCluster {

public:

  // Router::VirtualCluster

  const absl::optional<std::string>& name() const override { return name_; }

  Stats::StatName statName() const override { return stat_name_.statName(); }

  VirtualClusterStats& stats() const override { return stats_; }

  const absl::optional<std::string> name_ = "fake_virtual_cluster";

  Stats::TestUtil::TestSymbolTable symbol_table_;

  Stats::StatNameManagedStorage stat_name_{"fake_virtual_cluster", *symbol_table_};

  Stats::IsolatedStoreImpl stats_store_;

  VirtualClusterStatNames stat_names_{stats_store_.symbolTable()};

  mutable VirtualClusterStats stats_{generateStats(*stats_store_.rootScope(), stat_names_)};

};

class MockVirtualHost : public VirtualHost {

public:

  MockVirtualHost();

  ~MockVirtualHost() override;

  // Router::VirtualHost

  MOCK_METHOD(const std::string&, name, (), (const));

  MOCK_METHOD(const RateLimitPolicy&, rateLimitPolicy, (), (const));

  MOCK_METHOD(const CorsPolicy*, corsPolicy, (), (const));

  MOCK_METHOD(const CommonConfig&, routeConfig, (), (const));

  MOCK_METHOD(const RouteSpecificFilterConfig*, mostSpecificPerFilterConfig, (absl::string_view),

              (const));

  MOCK_METHOD(bool, includeAttemptCountInRequest, (), (const));

  MOCK_METHOD(bool, includeAttemptCountInResponse, (), (const));

  MOCK_METHOD(bool, includeIsTimeoutRetryHeader, (), (const));

  MOCK_METHOD(Upstream::RetryPrioritySharedPtr, retryPriority, ());

  MOCK_METHOD(Upstream::RetryHostPredicateSharedPtr, retryHostPredicate, ());

  MOCK_METHOD(uint32_t, retryShadowBufferLimit, (), (const));

  MOCK_METHOD(RouteSpecificFilterConfigs, perFilterConfigs, (absl::string_view), (const));

  MOCK_METHOD(const envoy::config::core::v3::Metadata&, metadata, (), (const));

  MOCK_METHOD(const Envoy::Config::TypedMetadata&, typedMetadata, (), (const));

  MOCK_METHOD(const VirtualCluster*, virtualCluster, (const Http::HeaderMap& headers), (const));

  Stats::StatName statName() const override {

    stat_name_ = std::make_unique<Stats::StatNameManagedStorage>(name(), *symbol_table_);

    return stat_name_->statName();

  }

  mutable Stats::TestUtil::TestSymbolTable symbol_table_;

  std::string name_{"fake_vhost"};

  mutable std::unique_ptr<Stats::StatNameManagedStorage> stat_name_;

  testing::NiceMock<MockRateLimitPolicy> rate_limit_policy_;

  TestCorsPolicy cors_policy_;

  envoy::config::core::v3::Metadata metadata_;

  MockRouteMetadata typed_metadata_;

  TestVirtualCluster virtual_cluster_;

};

class MockHashPolicy : public Http::HashPolicy {

public:

  MockHashPolicy();

  ~MockHashPolicy() override;

  // Http::HashPolicy

  MOCK_METHOD(absl::optional<uint64_t>, generateHash,

              (const Network::Address::Instance* downstream_address,

               const Http::RequestHeaderMap& headers, const AddCookieCallback add_cookie,

               const StreamInfo::FilterStateSharedPtr filter_state),

              (const));

};

class MockMetadataMatchCriteria : public MetadataMatchCriteria {

public:

  MockMetadataMatchCriteria();

  ~MockMetadataMatchCriteria() override;

  // Router::MetadataMatchCriteria

  MOCK_METHOD(const std::vector<MetadataMatchCriterionConstSharedPtr>&, metadataMatchCriteria, (),

              (const));

  MOCK_METHOD(MetadataMatchCriteriaConstPtr, mergeMatchCriteria, (const ProtobufWkt::Struct&),

              (const));

  MOCK_METHOD(MetadataMatchCriteriaConstPtr, filterMatchCriteria, (const std::set<std::string>&),

              (const));

};

class MockTlsContextMatchCriteria : public TlsContextMatchCriteria {

public:

  MockTlsContextMatchCriteria();

  ~MockTlsContextMatchCriteria() override;

  // Router::MockTlsContextMatchCriteria

  MOCK_METHOD(const absl::optional<bool>&, presented, (), (const));

  MOCK_METHOD(const absl::optional<bool>&, validated, (), (const));

};

class MockEarlyDataPolicy : public EarlyDataPolicy {

public:

  MOCK_METHOD(bool, allowsEarlyDataForRequest, (const Http::RequestHeaderMap& request_headers),

              (const));

};

class MockPathMatchCriterion : public PathMatchCriterion {

public:

  MockPathMatchCriterion();

  ~MockPathMatchCriterion() override;

  // Router::PathMatchCriterion

  MOCK_METHOD(PathMatchType, matchType, (), (const));

  MOCK_METHOD(const std::string&, matcher, (), (const));

  PathMatchType type_{};

  std::string matcher_;

};

class MockRouteEntry : public RouteEntry {

public:

  MockRouteEntry();

  ~MockRouteEntry() override;

  // Router::Config

  MOCK_METHOD(const std::string&, clusterName, (), (const));

  MOCK_METHOD(const std::string, getRequestHostValue, (const Http::RequestHeaderMap& headers),

              (const));

  MOCK_METHOD(Http::Code, clusterNotFoundResponseCode, (), (const));

  MOCK_METHOD(void, finalizeRequestHeaders,

              (Http::RequestHeaderMap & headers, const StreamInfo::StreamInfo& stream_info,

               bool insert_envoy_original_path),

              (const));

  MOCK_METHOD(Http::HeaderTransforms, requestHeaderTransforms,

              (const StreamInfo::StreamInfo& stream_info, bool do_formatting), (const));

  MOCK_METHOD(void, finalizeResponseHeaders,

              (Http::ResponseHeaderMap & headers, const StreamInfo::StreamInfo& stream_info),

              (const));

  MOCK_METHOD(Http::HeaderTransforms, responseHeaderTransforms,

              (const StreamInfo::StreamInfo& stream_info, bool do_formatting), (const));

  MOCK_METHOD(const Http::HashPolicy*, hashPolicy, (), (const));

  MOCK_METHOD(const HedgePolicy&, hedgePolicy, (), (const));

  MOCK_METHOD(const Router::MetadataMatchCriteria*, metadataMatchCriteria, (), (const));

  MOCK_METHOD(const Router::TlsContextMatchCriteria*, tlsContextMatchCriteria, (), (const));

  MOCK_METHOD(Upstream::ResourcePriority, priority, (), (const));

  MOCK_METHOD(const RateLimitPolicy&, rateLimitPolicy, (), (const));

  MOCK_METHOD(const RetryPolicy&, retryPolicy, (), (const));

  MOCK_METHOD(const InternalRedirectPolicy&, internalRedirectPolicy, (), (const));

  MOCK_METHOD(const PathMatcherSharedPtr&, pathMatcher, (), (const));

  MOCK_METHOD(const PathRewriterSharedPtr&, pathRewriter, (), (const));

  MOCK_METHOD(uint32_t, retryShadowBufferLimit, (), (const));

  MOCK_METHOD(const std::vector<ShadowPolicyPtr>&, shadowPolicies, (), (const));

  MOCK_METHOD(std::chrono::milliseconds, timeout, (), (const));

  MOCK_METHOD(absl::optional<std::chrono::milliseconds>, idleTimeout, (), (const));

  MOCK_METHOD(bool, usingNewTimeouts, (), (const));

  MOCK_METHOD(absl::optional<std::chrono::milliseconds>, maxStreamDuration, (), (const));

  MOCK_METHOD(absl::optional<std::chrono::milliseconds>, grpcTimeoutHeaderMax, (), (const));

  MOCK_METHOD(absl::optional<std::chrono::milliseconds>, grpcTimeoutHeaderOffset, (), (const));

  MOCK_METHOD(absl::optional<std::chrono::milliseconds>, maxGrpcTimeout, (), (const));

  MOCK_METHOD(absl::optional<std::chrono::milliseconds>, grpcTimeoutOffset, (), (const));

  MOCK_METHOD(bool, autoHostRewrite, (), (const));

  MOCK_METHOD(bool, appendXfh, (), (const));

  MOCK_METHOD((const std::multimap<std::string, std::string>&), opaqueConfig, (), (const));

  MOCK_METHOD(bool, includeVirtualHostRateLimits, (), (const));

  MOCK_METHOD(const CorsPolicy*, corsPolicy, (), (const));

  MOCK_METHOD(absl::optional<std::string>, currentUrlPathAfterRewrite,

              (const Http::RequestHeaderMap&), (const));

  MOCK_METHOD(const PathMatchCriterion&, pathMatchCriterion, (), (const));

  MOCK_METHOD(bool, includeAttemptCountInRequest, (), (const));

  MOCK_METHOD(bool, includeAttemptCountInResponse, (), (const));

  MOCK_METHOD(const ConnectConfigOptRef, connectConfig, (), (const));

  MOCK_METHOD(const UpgradeMap&, upgradeMap, (), (const));

  MOCK_METHOD(const EarlyDataPolicy&, earlyDataPolicy, (), (const));

  MOCK_METHOD(const RouteStatsContextOptRef, routeStatsContext, (), (const));

  std::string cluster_name_{"fake_cluster"};

  std::multimap<std::string, std::string> opaque_config_;

  TestRetryPolicy retry_policy_;

  testing::NiceMock<MockInternalRedirectPolicy> internal_redirect_policy_;

  PathMatcherSharedPtr path_matcher_;

  PathRewriterSharedPtr path_rewriter_;

  TestHedgePolicy hedge_policy_;

  testing::NiceMock<MockRateLimitPolicy> rate_limit_policy_;

  std::vector<ShadowPolicyPtr> shadow_policies_;

  MockHashPolicy hash_policy_;

  MockMetadataMatchCriteria metadata_matches_criteria_;

  MockTlsContextMatchCriteria tls_context_matches_criteria_;

  TestCorsPolicy cors_policy_;

  testing::NiceMock<MockPathMatchCriterion> path_match_criterion_;

  UpgradeMap upgrade_map_;

  absl::optional<ConnectConfig> connect_config_;

  testing::NiceMock<MockEarlyDataPolicy> early_data_policy_;

};

class MockDecorator : public Decorator {

public:

  MockDecorator();

  ~MockDecorator() override;

  // Router::Decorator

  MOCK_METHOD(const std::string&, getOperation, (), (const));

  MOCK_METHOD(bool, propagate, (), (const));

  MOCK_METHOD(void, apply, (Tracing::Span & span), (const));

  std::string operation_{"fake_operation"};

};

class MockRouteTracing : public RouteTracing {

public:

  MockRouteTracing();

  ~MockRouteTracing() override;

  // Router::RouteTracing

  MOCK_METHOD(const envoy::type::v3::FractionalPercent&, getClientSampling, (), (const));

  MOCK_METHOD(const envoy::type::v3::FractionalPercent&, getRandomSampling, (), (const));

  MOCK_METHOD(const envoy::type::v3::FractionalPercent&, getOverallSampling, (), (const));

  MOCK_METHOD(const Tracing::CustomTagMap&, getCustomTags, (), (const));

};

class MockRoute : public Route {

public:

  MockRoute();

  ~MockRoute() override;

  // Router::Route

  MOCK_METHOD(const DirectResponseEntry*, directResponseEntry, (), (const));

  MOCK_METHOD(const RouteEntry*, routeEntry, (), (const));

  MOCK_METHOD(const Decorator*, decorator, (), (const));

  MOCK_METHOD(const RouteTracing*, tracingConfig, (), (const));

  MOCK_METHOD(absl::optional<bool>, filterDisabled, (absl::string_view), (const));

  MOCK_METHOD(const RouteSpecificFilterConfig*, perFilterConfig, (absl::string_view), (const));

  MOCK_METHOD(const RouteSpecificFilterConfig*, mostSpecificPerFilterConfig, (absl::string_view),

              (const));

  MOCK_METHOD(RouteSpecificFilterConfigs, perFilterConfigs, (absl::string_view), (const));

  MOCK_METHOD(const envoy::config::core::v3::Metadata&, metadata, (), (const));

  MOCK_METHOD(const Envoy::Config::TypedMetadata&, typedMetadata, (), (const));

  MOCK_METHOD(const std::string&, routeName, (), (const));

  MOCK_METHOD(const VirtualHost&, virtualHost, (), (const));

  testing::NiceMock<MockRouteEntry> route_entry_;

  testing::NiceMock<MockDecorator> decorator_;

  testing::NiceMock<MockRouteTracing> route_tracing_;

  envoy::config::core::v3::Metadata metadata_;

  MockRouteMetadata typed_metadata_;

  std::string route_name_{"fake_route_name"};

  testing::NiceMock<MockVirtualHost> virtual_host_;

};

class MockConfig : public Config {

public:

  MockConfig();

  ~MockConfig() override;

  // Router::Config

  MOCK_METHOD(RouteConstSharedPtr, route,

              (const Http::RequestHeaderMap&, const Envoy::StreamInfo::StreamInfo&,

               uint64_t random_value),

              (const));

  MOCK_METHOD(RouteConstSharedPtr, route,

              (const RouteCallback& cb, const Http::RequestHeaderMap&,

               const Envoy::StreamInfo::StreamInfo&, uint64_t random_value),

              (const));

  MOCK_METHOD(const std::list<Http::LowerCaseString>&, internalOnlyHeaders, (), (const));

  MOCK_METHOD(const std::string&, name, (), (const));

  MOCK_METHOD(bool, usesVhds, (), (const));

  MOCK_METHOD(bool, mostSpecificHeaderMutationsWins, (), (const));

  MOCK_METHOD(uint32_t, maxDirectResponseBodySizeBytes, (), (const));

  MOCK_METHOD(const envoy::config::core::v3::Metadata&, metadata, (), (const));

  MOCK_METHOD(const Envoy::Config::TypedMetadata&, typedMetadata, (), (const));

  std::shared_ptr<MockRoute> route_;

  std::list<Http::LowerCaseString> internal_only_headers_;

  std::string name_{"fake_config"};

  envoy::config::core::v3::Metadata metadata_;

  MockRouteMetadata typed_metadata_;

};

class MockRouteConfigProvider : public RouteConfigProvider {

public:

  MockRouteConfigProvider();

  ~MockRouteConfigProvider() override;

  MOCK_METHOD(Rds::ConfigConstSharedPtr, config, (), (const));

  MOCK_METHOD(const absl::optional<ConfigInfo>&, configInfo, (), (const));

  MOCK_METHOD(SystemTime, lastUpdated, (), (const));

  MOCK_METHOD(absl::Status, onConfigUpdate, ());

  MOCK_METHOD(ConfigConstSharedPtr, configCast, (), (const));

  MOCK_METHOD(void, requestVirtualHostsUpdate,

              (const std::string&, Event::Dispatcher&,

               std::weak_ptr<Http::RouteConfigUpdatedCallback> route_config_updated_cb));

  std::shared_ptr<NiceMock<MockConfig>> route_config_{new NiceMock<MockConfig>()};

};

class MockRouteConfigProviderManager : public RouteConfigProviderManager {

public:

  MockRouteConfigProviderManager();

  ~MockRouteConfigProviderManager() override;

  MOCK_METHOD(RouteConfigProviderSharedPtr, createRdsRouteConfigProvider,

              (const envoy::extensions::filters::network::http_connection_manager::v3::Rds& rds,

               Server::Configuration::ServerFactoryContext& factory_context,

               const std::string& stat_prefix, Init::Manager& init_manager));

  MOCK_METHOD(RouteConfigProviderPtr, createStaticRouteConfigProvider,

              (const envoy::config::route::v3::RouteConfiguration& route_config,

               Server::Configuration::ServerFactoryContext& factory_context,

               ProtobufMessage::ValidationVisitor& validator));

};

class MockScopedConfig : public ScopedConfig {

public:

  MockScopedConfig();

  ~MockScopedConfig() override;

  MOCK_METHOD(ConfigConstSharedPtr, getRouteConfig, (const ScopeKeyPtr& scope_key), (const));

  std::shared_ptr<MockConfig> route_config_{new NiceMock<MockConfig>()};

};

class MockScopedRouteConfigProvider : public Envoy::Config::ConfigProvider {

public:

  MockScopedRouteConfigProvider();

  ~MockScopedRouteConfigProvider() override;

  // Config::ConfigProvider

  MOCK_METHOD(SystemTime, lastUpdated, (), (const));

  MOCK_METHOD(Protobuf::Message*, getConfigProto, (), (const));

  MOCK_METHOD(Envoy::Config::ConfigProvider::ConfigProtoVector, getConfigProtos, (), (const));

  MOCK_METHOD(ConfigConstSharedPtr, getConfig, (), (const));

  MOCK_METHOD(ApiType, apiType, (), (const));

  std::shared_ptr<MockScopedConfig> config_;

};

class MockScopeKeyBuilder : public ScopeKeyBuilder {

public:

  MockScopeKeyBuilder();

  ~MockScopeKeyBuilder() override;

  MOCK_METHOD(ScopeKeyPtr, computeScopeKey, (const Http::HeaderMap&), (const));

};

class MockGenericConnPool : public GenericConnPool {

public:

  MockGenericConnPool();

  ~MockGenericConnPool() override;

  MOCK_METHOD(void, newStream, (GenericConnectionPoolCallbacks * request));

  MOCK_METHOD(bool, cancelAnyPendingStream, ());

  MOCK_METHOD(absl::optional<Http::Protocol>, protocol, (), (const));

  MOCK_METHOD(bool, initialize,

              (Upstream::ClusterManager&, const RouteEntry&, Http::Protocol,

               Upstream::LoadBalancerContext*));

  MOCK_METHOD(Upstream::HostDescriptionConstSharedPtr, host, (), (const));

  MOCK_METHOD(bool, valid, (), (const));

  std::shared_ptr<NiceMock<Upstream::MockHostDescription>> host_{

      new NiceMock<Upstream::MockHostDescription>()};

};

class MockUpstreamToDownstream : public UpstreamToDownstream {

public:

  MOCK_METHOD(const Route&, route, (), (const));

  MOCK_METHOD(OptRef<const Network::Connection>, connection, (), (const));

  MOCK_METHOD(void, decodeData, (Buffer::Instance&, bool));

  MOCK_METHOD(void, decodeMetadata, (Http::MetadataMapPtr &&));

  MOCK_METHOD(void, decode1xxHeaders, (Http::ResponseHeaderMapPtr &&));

  MOCK_METHOD(void, decodeHeaders, (Http::ResponseHeaderMapPtr&&, bool));

  MOCK_METHOD(void, decodeTrailers, (Http::ResponseTrailerMapPtr &&));

  MOCK_METHOD(void, dumpState, (std::ostream&, int), (const));

  MOCK_METHOD(void, onResetStream, (Http::StreamResetReason, absl::string_view));

  MOCK_METHOD(void, onAboveWriteBufferHighWatermark, ());

  MOCK_METHOD(void, onBelowWriteBufferLowWatermark, ());

  MOCK_METHOD(const Http::ConnectionPool::Instance::StreamOptions&, upstreamStreamOptions, (),

              (const));

};

class MockGenericConnectionPoolCallbacks : public GenericConnectionPoolCallbacks {

public:

  MockGenericConnectionPoolCallbacks();

  MOCK_METHOD(void, onPoolFailure,

              (Http::ConnectionPool::PoolFailureReason reason,

               absl::string_view transport_failure_reason,

               Upstream::HostDescriptionConstSharedPtr host));

  MOCK_METHOD(void, onPoolReady,

              (std::unique_ptr<GenericUpstream> && upstream,

               Upstream::HostDescriptionConstSharedPtr host,

               const Network::ConnectionInfoProvider& info_provider, StreamInfo::StreamInfo& info,

               absl::optional<Http::Protocol> protocol));

  MOCK_METHOD(UpstreamToDownstream&, upstreamToDownstream, ());

  NiceMock<MockUpstreamToDownstream> upstream_to_downstream_;

};

class MockClusterSpecifierPlugin : public ClusterSpecifierPlugin {

public:

  MockClusterSpecifierPlugin();

  MOCK_METHOD(RouteConstSharedPtr, route,

              (RouteConstSharedPtr parent, const Http::RequestHeaderMap& header), (const));

};

class MockClusterSpecifierPluginFactoryConfig : public ClusterSpecifierPluginFactoryConfig {

public:

  MockClusterSpecifierPluginFactoryConfig();

  MOCK_METHOD(ClusterSpecifierPluginSharedPtr, createClusterSpecifierPlugin,

              (const Protobuf::Message& config,

               Server::Configuration::CommonFactoryContext& context));

  ProtobufTypes::MessagePtr createEmptyConfigProto() override {

    return std::make_unique<ProtobufWkt::Struct>();

  }

  std::string name() const override { return "envoy.router.cluster_specifier_plugin.mock"; }

};

} // namespace Router

} // namespace Envoy