#pragma once
#include "frame_result.hpp"
#include "door_risk.hpp"
namespace cms {
template<class T> inline std::optional<T> optionalField(Json const& j,char const* key) {
    auto it=j.find(key);return it==j.end()||it->is_null()?std::nullopt:std::optional<T>(it->get<T>());
}
inline RiskResult parseRisk(Json const& j) {
    RiskResult r;r.status=j.at("status");r.risk_score=optionalField<double>(j,"risk_score");r.risk_level=j.at("risk_level");r.decision=j.at("decision");
    r.risk_type=j.value("risk_type",std::string());r.door_id=optionalField<std::string>(j,"door_id");
    r.source=optionalField<std::string>(j,"source");r.track_id=optionalField<int>(j,"track_id");r.side=optionalField<std::string>(j,"side");
    if(j.contains("door_mask")) {auto const& d=j.at("door_mask");r.door_mask={d.at("status"),d.at("annotation_index"),optionalField<std::string>(d,"path"),d.at("format"),d.at("area_px")};}
    r.warning_distance_relative=j.value("warning_distance_relative",.30);r.release_distance_relative=j.value("release_distance_relative",.45);
    for(auto const& x:j.at("regions")) {
        RegionRisk v;v.status=x.at("status");v.risk_score=optionalField<double>(x,"risk_score");v.risk_level=x.at("risk_level");v.decision=x.at("decision");v.source=x.at("source");
        v.track_id=x.at("track_id");v.side=x.at("side");v.state=optionalField<std::string>(x,"state");v.door_zone=x.value("door_zone",std::string());
        v.region_area_px=optionalField<int>(x,"region_area_px");v.door_overlap_px=optionalField<int>(x,"door_overlap_px");
        v.region_overlap_ratio=optionalField<double>(x,"region_overlap_ratio");v.min_distance_px=optionalField<double>(x,"min_distance_px");
        v.region_scale_px=optionalField<double>(x,"region_scale_px");v.distance_relative=optionalField<double>(x,"distance_relative");r.regions.push_back(std::move(v));
    }
    return r;
}
inline DoorAssignment parseAssignment(Json const& j) {
    DoorAssignment a;a.track_id=j.at("track_id");a.person_index=j.at("person_index");a.door_zone=j.at("door_zone");a.raw_door_zone=j.at("raw_door_zone");
    a.front_probability=j.at("front_probability");a.smoothed_front_probability=j.at("smoothed_front_probability");a.confidence=j.at("confidence");a.evidence_source=j.at("evidence_source");
    a.pose_feature_count=j.at("pose_feature_count");a.history_frames=j.at("history_frames");a.features=j.at("features").get<std::map<std::string,double>>();a.feature_frontness=j.at("feature_frontness").get<std::map<std::string,double>>();return a;
}
inline FrameResult makeFrameResult(Json const& record,Json const& raw,CaptureMetadata capture) {
    FrameResult r;r.frame_index=record.at("frame_index");r.track_ids=record.at("track_ids").get<std::vector<int>>();r.boxes=record.at("boxes").get<std::vector<std::array<double,4>>>();r.capture=capture;r.ungated_risk=parseRisk(raw);return r;
}
}