#include <cassert>
#include <memory>
#include <string>

#include "absl/log/check.h"
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/strings/string_view.h"
#include "proxy_builder.h"
#include "proxy_config.pb.h"
#include "redfish_plugin.h"
#include "request_response.h"

namespace milotic {

// This is a plugin for tests that overrides all request URIs with the path to
// a fixed Redfish ID.
class TestPlugin : public RedfishPlugin {
 public:
  explicit TestPlugin(const milotic_grpc_proxy::Plugin::Test& config)
      : id_(config.fixed_redfish_id()) {}

  RequestAction PreprocessRequest(RedfishPlugin::RequestVerb verb,
                                  ProxyRequest& request) override {
    request.SetPath(id_);
    return RequestAction::kNext;
  }

  absl::StatusOr<ProxyResponse> HandleRequest(
      RedfishPlugin::RequestVerb verb,
      std::unique_ptr<ProxyRequest> request) override {
    return absl::UnknownError("Should not be called");
  }

  absl::Status Subscribe(std::unique_ptr<ProxyRequest> request,
                         EventHandler* /*handler*/) override {
    return absl::UnknownError("Should not be called");
  }

  absl::Status Initialize(Proxy* proxy) override { return absl::OkStatus(); };

 private:
  std::string id_;
};

REGISTER_REDFISH_PLUGIN(test, TestPlugin);

// This is a plugin for tests that does nothing.
class TestDummyPlugin : public RedfishPlugin {
 public:
  explicit TestDummyPlugin(
      const milotic_grpc_proxy::Plugin::TestDummy& /*config*/) {}

  RequestAction PreprocessRequest(RedfishPlugin::RequestVerb verb,
                                  ProxyRequest& request) override {
    CHECK(false);  // Crash OK: Only used for testing.
    return RequestAction{};
  }

  absl::StatusOr<ProxyResponse> HandleRequest(
      RedfishPlugin::RequestVerb verb,
      std::unique_ptr<ProxyRequest> request) override {
    CHECK(false);  // Crash OK: Only used for testing.
    return absl::UnknownError("Should not be called");
  }
  absl::Status Subscribe(std::unique_ptr<ProxyRequest> request,
                         EventHandler* /*handler*/) override {
    CHECK(false);  // Crash OK: Only used for testing.
    return absl::UnknownError("Should not be called");
  }
  absl::Status Initialize(Proxy* /*proxy*/) override {
    CHECK(false);  // Crash OK: Only used for testing.
    return absl::UnknownError("Should not be called");
  }
};

REGISTER_REDFISH_PLUGIN(test_do_not_use, TestDummyPlugin);

}  // namespace milotic