#include "MotorboardParam.h"
#include <fstream>
#include <iomanip>
#include <sys/stat.h>
#include "commondef.h"
#include <unistd.h>
MotorboardParam::MotorboardParam(/* args */)
{
}

MotorboardParam::~MotorboardParam()
{
}

int MotorboardParam::GetOrSetEnableAutomaticControlFeedMode(bool isget,int value){
    std::lock_guard<std::mutex> lc(m_setlock);
    if(isget)
    {
        auto js = getjson();
        if(!js[automaticcontrol_feedmode].is_null() && js[automaticcontrol_feedmode].is_number())
            return js[automaticcontrol_feedmode];
        else{
            printf("\nread motorboardparam error : feedmode!!! ");
            return 1;
        }
    }
    else{
        auto js = getjson();
        if(!js[automaticcontrol_feedmode].is_null() && js[automaticcontrol_feedmode].is_number())
        {
            js[automaticcontrol_feedmode] = value;
            savejson(js);
        }
        return 0;
    }
}

int MotorboardParam::GetOrSetFeedMode(bool isget,int value){
    std::lock_guard<std::mutex> lc(m_setlock);
    if(isget)
    {
        auto js = getjson();
        if(!js[feed_mode].is_null() && js[feed_mode].is_number())
            return js[feed_mode];
        else{
            printf("\nread motorboardparam error : feedmode!!! ");
            return 1;
        }
    }
    else{
        if(value < 0 || value > 2)
            return 0;
        auto js = getjson();
        if(!js[feed_mode].is_null() && js[feed_mode].is_number())
        {
            js[feed_mode] = value;
            savejson(js);
        }
        return 0;
    }
}

int MotorboardParam::GetOrSetTrayPosition(bool isget,int value){
    std::lock_guard<std::mutex> lc(m_setlock);
    if(isget)
    {
        auto js = getjson();
        if(!js[trayposition].is_null() && js[trayposition].is_number())
            return js[trayposition];
        else{
            printf("\nread motorboardparam error : feedmode!!! ");
            return 0;
        }
    }
    else{
        if(value < 0 || value > 2)
            return 0;
        auto js = getjson();
        if(!js[trayposition].is_null() && js[trayposition].is_number())
        {
            js[trayposition] = value;
            savejson(js);
        }
        return 0;
    }   
}

void MotorboardParam::savejson(json js){
    remove(ParamPath.c_str());
    std::ofstream o(ParamPath);
    o << std::setw(4) << js <<std::endl;
    o.close();
}

MotorboardParam::MBParam MotorboardParam::GetParam(){
    std::lock_guard<std::mutex> lc(m_setlock);
    json tmp = getjson();
    return json2struct(tmp);
}

void MotorboardParam::SaveParam(MotorboardParam::MBParam param){
    std::lock_guard<std::mutex> lc(m_setlock);
    auto tmp = struct2json(param);
    savejson(tmp);
}

json MotorboardParam::getdefaultjson(){
    json m_json;
    m_json[feed_mode] = 1; //0 low 1 mid 2 high
    m_json[automaticcontrol_feedmode] = 0;
    m_json[automaticcontrolfeedmode_threshold] = 0.5;
    m_json[trayposition] = 0;
    return m_json;
}

json MotorboardParam::struct2json(MotorboardParam::MBParam param){
    json js;
    js[feed_mode] = param.feedmode; //0 low 1 mid 2 high
    js[automaticcontrol_feedmode] = param.automaticcontrolfeedmode;
    js[automaticcontrolfeedmode_threshold] = param.automaticcontrolfeedmode_threshold;
    js[trayposition] = param.trayposition;
    return js;
}

MotorboardParam::MBParam MotorboardParam::json2struct(json js){
    MotorboardParam::MBParam param{0};
    if(js[feed_mode].is_number())
        param.feedmode = js[feed_mode];
    else 
        param.feedmode = 1;
    if(js[automaticcontrol_feedmode].is_number())
        param.automaticcontrolfeedmode = js[automaticcontrol_feedmode];
    else 
        param.automaticcontrolfeedmode = 0;
    if(js[automaticcontrolfeedmode_threshold].is_number_float())
        param.automaticcontrolfeedmode_threshold = js[automaticcontrolfeedmode_threshold];
    else 
        param.automaticcontrolfeedmode_threshold = 0.5 ;
    if(js[trayposition].is_number())
        param.trayposition = js[trayposition];
    else 
        param.trayposition = 0;    
    return param;
}

json MotorboardParam::getjson(){
    if(access(JSON_CORRECTDIR_PATH,0) == -1)
    {
        auto ret = mkdir(JSON_CORRECTDIR_PATH, 0777);
        if (ret != 0)
        {
            printf("make dir failed .path=%s \n", JSON_CORRECTDIR_PATH);
        }
    }
    if (access(ParamPath.c_str(), F_OK) != 0)
    {
        auto cfs = getdefaultjson();
        savejson(cfs);
        return cfs;
    }
    std::ifstream i(ParamPath);
    auto pos = i.tellg();
    i.seekg(0, std::ios::end);
    if (i.tellg() <= 2)
    {
        auto cfs = getdefaultjson();
        savejson(cfs);
        return cfs;
    }
    i.seekg(pos);
    json m_json;
    i >> m_json;
    i.close();
    return m_json;
}