#pragma once
#include <memory>
#include <string>
#include <vector>
#include <utility>
#include <nlohmann/json.hpp>

#include <sw/redis++/redis++.h>

namespace sw { namespace redis { class Redis; } }

class RedisPublisher {
public:
    // Ex.: "tcp://127.0.0.1:6379?keep_alive=true&socket_timeout=200ms"
    explicit RedisPublisher(const std::string& uri);

    // SET key com JSON; ttl_sec <= 0 => sem expire
    bool set_json(const std::string& key, const std::string& json, int ttl_sec = 0);

    // XADD histórico (retorna id gerado). Se maxlen>0, usa aprox MAXLEN~.
    std::string xadd(const std::string& stream,
        const std::vector<std::pair<std::string, std::string>>& fields,
        size_t maxlen = 0);

    bool hset_fields(const std::string& key,
        const std::vector<std::pair<std::string, std::string>>& fields,
        int ttl_sec = 0);

    // 1) Merge com dicionário “flat” em estilo a.b.c = "valor"
    bool set_json_merge_paths(const std::string& key,
        const std::vector<std::pair<std::string, std::string>>& flat_fields,
        int ttl_sec = 0,
        const std::string& sep = ".");

    // 2) Merge com JSON aninhado (deep-merge)
    bool set_json_merge_object(const std::string& key,
        const nlohmann::json& patch,
        int ttl_sec = 0);

private:
    std::unique_ptr<sw::redis::Redis> r_;
};