#pragma once

#include <map>
#include <string>
#include <utility>
#include <vector>

namespace fgc {

// One named camera mode, loaded from <mode_dir>/<name>.ini.
//
// A mode is deliberately NOT a struct of typed camera settings: it is the raw
// list of Vimba X features to write, in file order, plus the few values the
// program itself needs. That means a new camera feature can be set by adding a
// line to an INI file - no C++ change, no vocabulary to keep in sync with the
// SDK. VimbaCameraSource asks the camera what type each feature is and converts
// the string accordingly.
struct CameraMode {
    std::string name;              // filename stem
    std::string description;
    int settle_wait_ms   = 1000;   // pause after standstill before keeping a frame
    int frame_timeout_ms = 2000;   // give up on the waypoint after this

    // Vimba X features in FILE ORDER, duplicates preserved. Both matter:
    // GenICam selectors are stateful, so "BalanceRatioSelector=Red,
    // BalanceRatio=2.87, BalanceRatioSelector=Blue, BalanceRatio=2.0" is the
    // only way to write both ratios. A std::map would sort and de-duplicate
    // that into nonsense.
    std::vector<std::pair<std::string, std::string>> features;
};

// Load one mode file. `name` comes from the filename stem.
// Throws std::runtime_error with a clear message on a missing file, an unknown
// section, or an unknown/invalid [Mode] key.
CameraMode loadCameraMode(const std::string& path);

// Load every *.ini in `dir`, keyed by mode name. Throws if the directory is
// missing or contains no modes - a malformed mode nobody is using today still
// fails at startup rather than the first time someone switches to it.
std::map<std::string, CameraMode> loadCameraModes(const std::string& dir);

}  // namespace fgc