#include "arena.hpp"
#include "connection_handler.hpp"
#include "perfetto_categories.hpp"
#include <atomic>
#include <doctest/doctest.h>

// Perfetto static storage for tests
PERFETTO_TRACK_EVENT_STATIC_STORAGE();

// Global variable needed by Connection
std::atomic<int> activeConnections{0};

// Simple test helper since Connection has complex constructor requirements
struct TestConnectionData {
  Arena arena;
  std::string message_buffer;
  void *user_data = nullptr;

  void append_message(std::string_view data) { message_buffer += data; }

  Arena &get_arena() { return arena; }
  const std::string &getResponse() const { return message_buffer; }
  void clearResponse() { message_buffer.clear(); }
  void reset() {
    arena.reset();
    message_buffer.clear();
  }
};

// Test helper to verify the new hook functionality
struct MockConnectionHandler : public ConnectionHandler {
  bool write_progress_called = false;
  bool write_buffer_drained_called = false;

  void on_write_progress(Ref<Connection> &) override {
    write_progress_called = true;
  }

  void on_write_buffer_drained(Ref<Connection> &) override {
    write_buffer_drained_called = true;
  }
};

TEST_CASE("ConnectionHandler hooks") {
  SUBCASE("on_write_buffer_drained hook exists") {
    MockConnectionHandler handler;

    // Verify hooks are available and can be overridden
    CHECK_FALSE(handler.write_progress_called);
    CHECK_FALSE(handler.write_buffer_drained_called);

    // Would normally be called by Server during write operations
    Ref<Connection> null_conn;
    handler.on_write_progress(null_conn);
    handler.on_write_buffer_drained(null_conn);

    CHECK(handler.write_progress_called);
    CHECK(handler.write_buffer_drained_called);
  }
}