smartbotic-vectorapi/src/embeddings.hpp

#pragma once
#include <string>
#include <vector>
#include <nlohmann/json.hpp>
namespace svapi {
std::vector<float> parseEmbeddingResponse(const nlohmann::json& body);

// Split an OpenAI-compatible base URL into the origin (scheme://host[:port] —
// httplib::Client ignores any path) and a path prefix to prepend to
// "/v1/embeddings". e.g. "https://api.openai.com" -> {"https://api.openai.com", ""};
// "https://openrouter.ai/api" -> {"https://openrouter.ai", "/api"}.
struct EmbeddingEndpoint { std::string origin; std::string path; };
EmbeddingEndpoint splitEmbeddingBase(const std::string& apiBase);

class EmbeddingClient {
public:
    EmbeddingClient(std::string apiBase, std::string apiKey,
                    uint32_t connectTimeoutSec = 10, uint32_t readTimeoutSec = 60,
                    uint32_t poolSize = 4);
    std::vector<float> embed(const std::string& model, const std::string& text);
private:
    std::string apiBase_, apiKey_;
    uint32_t connectTimeoutSec_, readTimeoutSec_, poolSize_;
};
}