#include <array>

#include <cstddef>

#include <cstdint>

#include <glaze/glaze.hpp>

#include <glaze/jsonb.hpp>

#include <map>

#include <optional>

#include <string>

#include <variant>

#include <vector>

struct nested

{

   int n = 0;

   std::string label{};

   std::vector<double> data{};

};

struct my_struct

{

   int i = 287;

   double d = 3.14;

   std::string hello = "Hello World";

   std::array<uint64_t, 3> arr = {1, 2, 3};

   std::optional<std::string> maybe{};

   std::map<std::string, int> dict{};

   std::vector<nested> kids{};

   std::variant<int, std::string, double> alt{};

};

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size)

{

   // Use a vector with explicit bounds rather than std::string to avoid SSO masking

   // bounds-check bugs.

   std::vector<char> buffer{Data, Data + Size};

   const auto& input = buffer;

   // 1. Drive the typed reader: exercises header parsing, type dispatch, container

   //    traversal, hash key lookup, depth guard, INT bounds checking.

   {

      [[maybe_unused]] auto s = glz::read_jsonb<my_struct>(input);

   }

   // 2. Drive the JSONB→JSON converter: separate code path with its own depth

   //    tracking and TEXT/TEXTRAW/TEXTJ/TEXT5 emission paths.

   {

      std::string json_output{};

      [[maybe_unused]] auto ec = glz::jsonb_to_json(input, json_output);

   }

   // 3. Drive the schemaless reader (glz::generic) — covers paths the typed reader

   //    short-circuits on type mismatch.

   {

      [[maybe_unused]] auto s = glz::read_jsonb<glz::generic>(input);

   }

   return 0;

}