#pragma once

#include "async_result.hpp"

#include "callback.hpp"

#include "config.hpp"

#include <optional>

#include <string>

typedef struct lb_screener_context_t lb_screener_context_t;

namespace longbridge {

namespace screener {

/// Screener context — stock screener strategies, search, and indicators.

class ScreenerContext

{

public:

ScreenerContext();

explicit ScreenerContext(const lb_screener_context_t* ctx);

ScreenerContext(const ScreenerContext& ctx);

ScreenerContext(ScreenerContext&& ctx);

~ScreenerContext();

ScreenerContext& operator=(const ScreenerContext& ctx);

static ScreenerContext create(const Config& config);

/// Get recommended built-in screener strategies (raw JSON string)

void screener_recommend_strategies(AsyncCallback<ScreenerContext, std::string> callback) const;

/// Get the current user's saved screener strategies (raw JSON string)

void screener_user_strategies(AsyncCallback<ScreenerContext, std::string> callback) const;

/// Get detail for one screener strategy by ID (raw JSON string)

void screener_strategy(int64_t id, AsyncCallback<ScreenerContext, std::string> callback) const;

/// Search / screen securities using a strategy (raw JSON string)

void screener_search(const std::string& market,

std::optional<int64_t> strategy_id,

uint32_t page,

uint32_t size,

AsyncCallback<ScreenerContext, std::string> callback) const;

/// Get all available screener indicator definitions (raw JSON string)

void screener_indicators(AsyncCallback<ScreenerContext, std::string> callback) const;

private:

const lb_screener_context_t* ctx_;

};

} // namespace screener

} // namespace longbridge