#include "scanner_manager.h"

#include <base/utils.h>
#include <lang/app_language.h>
#include <iostream>
#include <fstream>
#include <string.h>
#include <huagao/brand.h>

#include "hg_scanner.h"
#include "user-opt/user.h"
#include "user-opt/offline_opt.h"
#include <sane_opt_json/device_opt.h>
#include <imgprc/imgprc_mgr.h>



// kinds of scanners ...
#define SCAN_PTR(ptr)   ((hg_scanner*)ptr)



static struct _scanner_device
{
    int			vid;
    int			pid;
    std::string	family;
    std::string	name;
} g_supporting_devices[] = { ALL_FAMILIES };

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// language option ...
class lang_opt : public sane_opt_provider
{
public:
    lang_opt()
    {
        set_where("language-option");

        const char* lang = language_option_descriptor();
        if (lang && *lang)
        {
            std::string t(lang);

            set_opt_json_text(&t[0]);
        }
    }

protected:
    virtual ~lang_opt()
    {}

public:
    virtual int set_value(const char* name, void* val) override
    {
        if (strcmp(name, "language"))
            return SCANNER_ERR_NO_DATA;

        LANATTR** pla = lang_get_supported_languages();
        int err = SCANNER_ERR_OK;

        if (!pla)
            err = SCANNER_ERR_DEVICE_NOT_SUPPORT;
        else
        {
            std::string	n(to_default_language((char*)val, nullptr)), now("");
            int	id = -1, cur = lang_get_cur_code_page();
            for (int i = 0; pla[i]; ++i)
            {
                if (pla[i]->cp == cur)
                    now = pla[i]->name;
                if (n == pla[i]->name)
                {
                    id = pla[i]->cp;
                    break;
                }
            }
            if (id == -1)
            {
                err = SCANNER_ERR_NOT_EXACT;
                ::strcpy((char*)val, now.c_str());
            }
            else if (cur != id)
            {
                err = SCANNER_ERR_CONFIGURATION_CHANGED;
                lang_set_code_page(id);
            }
        }

        return err;
    }
};
static lang_opt* g_language = nullptr;



////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// 
hg_scanner_mgr* hg_scanner_mgr::inst_ = NULL;
sane_callback hg_scanner_mgr::event_callback_ = NULL;
bool          hg_scanner_mgr::async_io_enabled_ = false;
int           hg_scanner_mgr::ver_major_ = 1;
int           hg_scanner_mgr::ver_minor_ = 0;
int           hg_scanner_mgr::ver_build_ = 0;
int           hg_scanner_mgr::ver_patch_ = 1;
std::string   hg_scanner_mgr::pe_path_("");
std::string   hg_scanner_mgr::pe_name_("");
std::string   hg_scanner_mgr::last_open_msg_("");
bool          hg_scanner_mgr::read_over_with_eof_ = true;

uint32_t        hg_scanner_mgr::unique_img_id_ = 0;;
std::mutex      hg_scanner_mgr::mutex_img_id;

hg_scanner_mgr::hg_scanner_mgr() : same_ind_(1), cf_name("")
{
    std::string cfgf(utils::get_local_data_path() + PATH_SEPARATOR + "config" + PATH_SEPARATOR + "debug.cfg");
    char        buf[260] = {0};
    int         l = GetPrivateProfileStringA("devs_name", "name", "", buf, _countof(buf) - 1, cfgf.c_str());

    init_debug_config(cfgf.c_str());

    buf[l] = 0;
    cf_name = buf;
    usb_manager::instance()->register_hotplug(&hg_scanner_mgr::usb_event_handle, this);
    int code_page = lang_get_cur_code_page();
    url_en = BRAND_COMPANY_URL;
    url_link_en = BRAND_URL_COMPANY_URL;
    if (code_page == 20127)
    {
        url_en = BRAND_COMPANY_URL_EN;
        url_link_en = BRAND_URL_COMPANY_URL_EN;
    }

    user_ = new hguser();
    offline_ = new offline_opts(user_);
    g_language = new lang_opt();
}
hg_scanner_mgr::~hg_scanner_mgr()
{
    usb_manager::instance()->register_hotplug(nullptr, nullptr);
    {
        std::lock_guard<std::mutex>    lock(mutex_dev_);
        for (auto& v : online_devices_)
        {
            if (v.scanner)
            {
                v.scanner->close();
                v.scanner->release();
                v.scanner = nullptr;
            }

            libusb_unref_device(v.dev);
        }
        online_devices_.clear();
    }

    usb_manager::clear();
    offline_->release();
    delete user_;

    g_language->release();
}

int hg_scanner_mgr::ui_default_callback(scanner_handle h, int ev, void* data, unsigned int* len, void* param)
{
    // if (!hg_scanner_mgr::async_io_enabled_ &&
    //     ev == SANE_EVENT_IS_MEMORY_ENOUGH)
    // {
    //     struct sysinfo si;
    //     if(sysinfo(&si) == 0)
    //         return si.freeram * si.mem_unit > *len + 200 * 1024 * 1024 ? SCANNER_ERR_OK : SCANNER_ERR_INSUFFICIENT_MEMORY;

    //     return SCANNER_ERR_OK;
    // }

    if (hg_scanner_mgr::event_callback_)
        return hg_scanner_mgr::event_callback_(h, ev, data, len, param);

    return SCANNER_ERR_OK;
}
hg_scanner_mgr* hg_scanner_mgr::instance(sane_callback cb)
{
    if (!hg_scanner_mgr::inst_)
    {
        hg_scanner_mgr::event_callback_ = cb;
        if (cb)
            hg_scanner_mgr::async_io_enabled_ = cb(NULL, SANE_EVENT_SUPPORT_ASYNC_IO, NULL, NULL, NULL) == 0;
        hg_scanner_mgr::unique_img_id_ = (uint32_t)INT_MAX + 1;
        hg_scanner_mgr::inst_ = new hg_scanner_mgr();
        utils::to_log(LOG_LEVEL_DEBUG, "async image transferring is %s\n", hg_scanner_mgr::async_io_enabled_ ? "enabled" : "disabled");
    }

    return hg_scanner_mgr::inst_;
}
void hg_scanner_mgr::clear(void)
{
    if (hg_scanner_mgr::inst_)                                                          
    {
        {
            std::lock_guard<std::mutex>    lock(hg_scanner_mgr::inst_->mutex_dev_);
            hg_scanner_mgr::event_callback_ = nullptr;
        }
        delete hg_scanner_mgr::inst_;
        hg_scanner_mgr::inst_ = NULL;
    }
}
void hg_scanner_mgr::set_version(int hh, int hl, int lh, int ll)
{
    hg_scanner_mgr::ver_major_ = hh;
    hg_scanner_mgr::ver_minor_ = hl;
    hg_scanner_mgr::ver_build_ = lh;
    hg_scanner_mgr::ver_patch_ = ll;
}
void hg_scanner_mgr::get_version(int* hh, int* hl, int* lh, int* ll)
{
    if(hh)
        *hh = hg_scanner_mgr::ver_major_;
    if(hl)
        *hl = hg_scanner_mgr::ver_minor_;
    if(lh)
        *lh = hg_scanner_mgr::ver_build_;
    if(ll)
        *ll = hg_scanner_mgr::ver_patch_;
}
void hg_scanner_mgr::set_exe_name(const char* path, const char* name)
{
    std::string cfgf(utils::get_local_data_path() + PATH_SEPARATOR + "config" + PATH_SEPARATOR + "debug.cfg");
    char        buf[260] = {0};
    int         l = 0;

    hg_scanner_mgr::pe_path_ = path ? path : "";
    hg_scanner_mgr::pe_name_ = name ? name : "";
    std::string str(utils::get_command_result("scanimage -V"));
    bool is_scanimg =false;
    is_scanimg = str >= "1.0.29" ? true : false;
    utils::to_log(LOG_LEVEL_ALL, "imgascan ver is: %s is_scanimg is:%d\n", str.c_str(),is_scanimg);
    if (name && *name)
    {
       // int ret = system("scanimage -V");
       l = GetPrivateProfileStringA("read_eof", name, "", buf, _countof(buf) - 1, cfgf.c_str());
        if (l == 0)
        {
            if(is_scanimg)
                hg_scanner_mgr::read_over_with_eof_ = STRICMP(name, "simple-scan") != 0;
            else
                hg_scanner_mgr::read_over_with_eof_ = STRICMP(name, "simple-scan") != 0 && (!is_scanimg? (STRICMP(name, "scanimage") != 0) : 1);
        }  
        else
            hg_scanner_mgr::read_over_with_eof_ = strcmp(buf, "0") != 0;
    }
    else
    {
        l = GetPrivateProfileStringA("read_eof", "first", "", buf, _countof(buf) - 1, cfgf.c_str());
        if (l == 0)
            hg_scanner_mgr::read_over_with_eof_ = true;
        else
            hg_scanner_mgr::read_over_with_eof_ = strcmp(buf, "0") != 0;
    }

    utils::to_log(LOG_LEVEL_ALL, "read image data end with EOF: %s\n", hg_scanner_mgr::read_over_with_eof_ ? "true" : "false");
}
std::string hg_scanner_mgr::get_pe_name(std::string* path)
{
    if (path)
        *path = hg_scanner_mgr::pe_path_;

    return hg_scanner_mgr::pe_name_;
}
uint32_t hg_scanner_mgr::unique_id(int type)
{
    if (type == UNIQUE_ID_IMG)
    {
        std::lock_guard<std::mutex> lock(hg_scanner_mgr::mutex_img_id);

        return hg_scanner_mgr::unique_img_id_++;
    }

    return -1;
}

void hg_scanner_mgr::usb_event_handle(usb_event ev, libusb_device* device, int vid, int pid, int usb_ver_h, int usb_ver_l, bool* retry, void* user) // usb_ver_h.usb_ver_l
{
    hg_scanner_mgr* obj = (hg_scanner_mgr*)user;
    
    obj->on_hgscanner_pnp(ev, device, vid, pid, usb_ver_h, usb_ver_l, retry);
}

void hg_scanner_mgr::on_hgscanner_pnp(usb_event ev, libusb_device* device, int vid, int pid, int usb_ver_h, int usb_ver_l, bool* retry)
{
    char    model[40],
            vendor[40];
    SANE_Device_Ex de;
    int     ev_ui = 0, addr = 0;
    scanner_handle h = NULL;
    unsigned int len = sizeof(de);
    std::string name(""), type("");
    std::lock_guard<std::mutex>    lock(mutex_dev_);

    sprintf(model, "%x", pid);
    sprintf(vendor, "%x", vid);
    de.model = model;
    de.name = NULL;
    de.family = NULL;
    de.vendor = vendor;
    de.openned = SANE_FALSE;
    addr = libusb_get_device_address(device);

    if (ev == USB_EVENT_DEVICE_ARRIVED)
    {
        int index = -1;
        for (int i = 0; i < _countof(g_supporting_devices); ++i)
        {
            if (g_supporting_devices[i].vid == vid && g_supporting_devices[i].pid == pid)
            {
                index = i;
                ev_ui = SANE_EVENT_DEVICE_ARRIVED;
                name = g_supporting_devices[i].name.c_str();
                type = g_supporting_devices[i].family.c_str();

                if (vid == 0x064B && !cf_name.empty())
                {
                    if (cf_name == g_supporting_devices[i].family)
                    {
                        name = g_supporting_devices[i].name.c_str();
                        type = g_supporting_devices[i].family.c_str();
                        break;
                    }
                }
                else
                    break;
            }
        }

        if (index != -1)
        {
            bool add = true;
            size_t i = 0;
            for (; i < online_devices_.size(); ++i)
            {
                if (online_devices_[i].dev == device)
                {
                    add = false;
                    break;
                }




            }
            if (add)
            {
                i = 0;
                for (auto& v : online_devices_)
                {
                    if (v.scanner && !v.scanner->is_online())
                    {
                        add = false;
                        break;
                    }
                    i++;
                }
            }

            if (add)
            {
                ONLNSCANNER ols;

                ols.vid = vid;
                ols.pid = pid;
                ols.addr = addr;
                ols.dev = device;
                ols.scanner = nullptr;
                ols.family = g_supporting_devices[index].family;
                ols.display_name = g_supporting_devices[index].name;
                if (std::find(online_devices_.begin(), online_devices_.end(), ols.display_name.c_str()) != online_devices_.end())
                {
                    int sn = 0;
                    while (std::find(online_devices_.begin(), online_devices_.end(), (ols.display_name + " - " + std::to_string(++sn)).c_str()) != online_devices_.end());
                    
                    ols.display_name += " - " + std::to_string(sn);
                }
                libusb_ref_device(ols.dev);         // ref to the device of queue online_devices_
                online_devices_.push_back(ols);
                name = ols.display_name;
                utils::to_log(LOG_LEVEL_DEBUG, "%s connected.\n", name.c_str());
                type = g_supporting_devices[index].family;
            }
            else if (i < online_devices_.size() && online_devices_[i].scanner && !online_devices_[i].scanner->is_online())
            {
                name = online_devices_[i].display_name;
                type = g_supporting_devices[index].family;
                if (online_devices_[i].dev)
                    libusb_unref_device(online_devices_[i].dev);
                online_devices_[i].dev = device;
                libusb_ref_device(online_devices_[i].dev);
                h = online_devices_[i].scanner;
                if (pid == 0x300 || pid == 0x400)
                    std::this_thread::sleep_for(std::chrono::milliseconds(1000));
                //len = usb_manager::instance()->open(device, &io);
                utils::to_log(LOG_LEVEL_WARNING, "[%04x:%04x]%s re-connected.\n", vid, pid, online_devices_[i].display_name.c_str());
                len = online_devices_[i].scanner->re_connect();
                if (len == SCANNER_ERR_OK)
                {
                    //online_devices_[i].scanner->reset_io(io);
                    de.openned = SANE_TRUE;
                }
                add = false;
            }
        }
    }
    else if (ev == USB_EVENT_DEVICE_LEFT)
    {
        std::vector<ONLNSCANNER>::iterator it = std::find(online_devices_.begin(), online_devices_.end(), device);
        if (it != online_devices_.end())
        {
            ev_ui = SANE_EVENT_DEVICE_LEFT;
            name = it->display_name;
            type = it->family;
            h = it->scanner;
            utils::to_log(LOG_LEVEL_DEBUG, "%s Dis-connected.\n", name.c_str());
            if (!it->scanner)
            {
                libusb_unref_device(it->dev);   // unref the device of queue online_devices_
                online_devices_.erase(it);
            }
        }
    }

    if (ev_ui)
    {
        de.name = name.c_str();
        de.family = type.c_str();
        hg_scanner_mgr::ui_default_callback(h, ev_ui, &de, &len, NULL);
    }
}
void hg_scanner_mgr::get_online_devices(std::vector<ONLNSCANNER>& devs)
{
    std::lock_guard<std::mutex>    lock(mutex_dev_);

    devs = online_devices_;
}

void hg_scanner_mgr::init_debug_config(const char* cfg_file)
{
    // dumping images ...
    dump_img_path_ = utils::get_local_data_path() + PATH_SEPARATOR + "imgs";
    if (GetPrivateProfileIntA("dump", "dumpusb", 0, cfg_file) == 1)
    {
        char    strbuf[260] = { 0 };
        int     getl = 0;

        dump_img_ = true;
        getl = GetPrivateProfileStringA("dump", "usb_path", "", strbuf, _countof(strbuf) - 1, cfg_file);
        if (getl)
            dump_img_path_ = strbuf;
    }

}
imgproc_mgr* hg_scanner_mgr::create_image_processor(device_option* devopts)
{
    imgproc_mgr* proc = new imgproc_mgr(devopts, dump_img_, dump_img_path_.c_str());
    std::string path(utils::get_module_full_path(MODULE_NAME_SCANNER));
    size_t      pos = path.rfind(PATH_SEPARATOR[0]);

    if (pos++ == std::string::npos)
        pos = 0;
    path.erase(pos);
    path += std::string("imgproc") + PATH_SEPARATOR;

    // load image-processors ...
    proc->load_processor(path.c_str());

    return proc;
}

scanner_err hg_scanner_mgr::hg_scanner_enum(ScannerInfo* scanner_list, long* count, bool local_only)
{
    std::vector<ONLNSCANNER> devusbuf;
    long        size = *count;
    scanner_err      ret = SCANNER_ERR_OK;
    std::string g_vendor(from_default_language(COMPANY_NAME, nullptr));
    get_online_devices(devusbuf);
    *count = devusbuf.size();
	if (*count > size)
	{
        ret = SCANNER_ERR_INSUFFICIENT_MEMORY;
	}
    else
    {
        for (size_t i = 0; i < devusbuf.size(); i++)
        {
            scanner_list->vid = devusbuf[i].vid;
            scanner_list->pid = devusbuf[i].pid;
            strcpy(scanner_list->name, devusbuf[i].display_name.c_str());
            strcpy(scanner_list->model, devusbuf[i].family.c_str());
            strcpy(scanner_list->vendor, g_vendor.c_str());
            scanner_list++;
        }
    }

	return ret;
}
scanner_err hg_scanner_mgr::hg_scanner_open(scanner_handle* h, const char* name, bool shared, const char* user, const char* pwd, const char* check, char* rsc)
{
    std::vector<ONLNSCANNER>::iterator it;
    scanner_err ret = SCANNER_ERR_DEVICE_NOT_FOUND;
    SIMPLE_LOCK(mutex_dev_);

    *h = NULL;
    it = std::find(online_devices_.begin(), online_devices_.end(), name);
    if (it != online_devices_.end())
    {
        std::vector<sane_opt_provider*> cnst;
        cnst.push_back(offline_);
        cnst.push_back(g_language);
        
        it->scanner = new hg_scanner(&(*it), nullptr, user_, &cnst);
        if (it->scanner->status() == SCANNER_ERR_OK)
        {
            *h = it->scanner;
        }
        else
        {
            ret = (scanner_err)it->scanner->status();
            hg_scanner_mgr::last_open_msg_ = it->scanner->status_message();
            it->scanner->close();
            it->scanner->release();
            it->scanner = nullptr;
        }
    }

    return *h ? SCANNER_ERR_OK : ret;
}
scanner_err hg_scanner_mgr::hg_scanner_close(scanner_handle h, bool force)
{
    {
        std::lock_guard<std::mutex>      lock(mutex_dev_);
        for (auto& v : online_devices_)
        {
            if (v.scanner == h)
            {
                v.scanner->close(/*force*/);
                v.scanner->release();
                v.scanner = nullptr;
                break;
            }
        }
    }

	return SCANNER_ERR_OK;
}
scanner_err hg_scanner_mgr::hg_scanner_get_parameter(scanner_handle h, const char* name, char* data, long* len, int type)
{
    scanner_err err = SCANNER_ERR_INVALID_PARAMETER;

    if (len)
    {
        device_option* tmp = nullptr;
        if (!h)
        {
            tmp = new device_option();

            tmp->add(offline_);
            tmp->add(g_language);
        }
        else
        {
            err = SCANNER_ERR_DEVICE_NOT_FOUND;
            std::lock_guard<std::mutex>      lock(mutex_dev_);
            for (auto& v : online_devices_)
            {
                if (v.scanner == h)
                {
                    tmp = v.scanner->get_device_opt();
                    break;
                }
            }
        }

        if (tmp)
        {
            std::string raw(tmp->get_option_value(name == PARAM_ALL ? nullptr : name, type, nullptr, data));

            if (*len < raw.length())
            {
                *len = raw.length();

                err = SCANNER_ERR_INSUFFICIENT_MEMORY;
            }
            else
            {
                memcpy(data, raw.c_str(), raw.length());
                if (*len > raw.length())
                    data[raw.length()] = 0;
                *len = raw.length();
                err = SCANNER_ERR_OK;
#if defined(_WIN32) && defined(_DEBUG)
                if (name == PARAM_ALL)
                {
                    std::string file(utils::get_local_data_path() + PATH_SEPARATOR + "Log" + PATH_SEPARATOR + "allopt.txt");
                    FILE* dst = fopen(file.c_str(), "wb");
                    if (dst)
                    {
                        fwrite(raw.c_str(), 1, raw.length(), dst);
                        fclose(dst);
                    }
                }
#endif
            }

            tmp->release();
        }
    }

    return err;
}
scanner_err hg_scanner_mgr::hg_scanner_set_parameter(scanner_handle h, const char* name, void* data, bool to_default)
{
    scanner_err err = SCANNER_ERR_OK, se = SCANNER_ERR_OK;
    std::string init("");
    device_option* tmp = nullptr;

    if (!h)
    {
        tmp = new device_option();
        tmp->add(offline_);
        tmp->add(g_language);
    }
    else
    {
        for (auto& v : online_devices_)
        {
            if (v.scanner == h)
            {
                tmp = v.scanner->get_device_opt();
                break;
            }
        }
    }

    if (tmp)
    {
        // do restore here ?
        if (name && strcmp(name, SANE_STD_OPT_NAME_RESTORE) == 0)
        {
            sane_opt_provider* sop = dynamic_cast<sane_opt_provider*>(SCAN_PTR(h));
            err = (scanner_err)tmp->restore(sop);
            utils::to_log(LOG_LEVEL_DEBUG, "Restore all options ...\n");
        }
        else
        {
            // 1 - paper option removes 'lateral' choices and add new option with name 'lateral'
            // 2 - page option replaces 'single side' with 'front side' and 'back side'
            //
            // here to transfer them ...
            std::string prev("");
            bool        lateral = false, restore_data = false;

            if (to_default)
            {
                int size = 0;
                init = tmp->get_option_value(name, SANE_ACTION_GET_DEFAULT_VALUE, &size);
                if (size > init.length())
                {
                    std::string t(std::move(init));
                    init.reserve(size);
                    memset(&init[0], 0, size);
                    memcpy(&init[0], &t[0], t.length());
                }
                data = &init[0];
            }
            else
            {
                if (strcmp(name, SANE_STD_OPT_NAME_PAPER) == 0)
                {
                    std::string hx(from_default_language("\346\250\252\345\220\221"));
                    char* lat = strstr((char*)data, hx.c_str());
                    if (lat)
                    {
                        prev = (char*)data;
                        lateral = true;
                        restore_data = true;
                        *lat = 0;
                    }
                }
                else if (strcmp(name, SANE_STD_OPT_NAME_PAGE) == 0)
                {
                    if (strcmp((char*)data, from_default_language("\345\215\225\351\235\242")) == 0)    // single side
                    {
                        prev = (char*)data;
                        restore_data = true;
                        strcpy((char*)data, from_default_language("\346\255\243\351\235\242"));         // front side
                        utils::to_log(LOG_LEVEL_DEBUG, "compatible for old page option '%s' to '%s'.\n", prev.c_str(), (char*)data);
                    }
                }

                err = tmp->refine_data(name, data) ? SCANNER_ERR_NOT_EXACT : SCANNER_ERR_OK;
            }
            se = (scanner_err)tmp->update_data(name, data);

            if (se != SCANNER_ERR_OK)
                err = se;
            else if (restore_data)
            {
                // here handle options paper and page are both string ...
                strcpy((char*)data, prev.c_str());

                if (lateral)
                {
                    utils::to_log(LOG_LEVEL_DEBUG, "compatible for old paper option '%s', set lateral to '%s' additional.\n", prev.c_str(), lateral ? "true" : "false");
                    tmp->refine_data(SANE_STD_OPT_NAME_LATERAL, &lateral);
                    tmp->update_data(SANE_STD_OPT_NAME_LATERAL, &lateral);
                }
            }
        }
        tmp->release();
    }

    return err;
}
scanner_err hg_scanner_mgr::hg_scanner_start(scanner_handle h, void* async_event, int num)
{
	return (scanner_err)SCAN_PTR(h)->start();
}
scanner_err hg_scanner_mgr::hg_scanner_stop(scanner_handle h)
{
    scanner_err err = (scanner_err)SCAN_PTR(h)->stop();

    // call from APP, block when all working-threads stopped - added on 2023-10-18 when handled double-feeding in SANE
    //while (SCAN_PTR(h)->is_running() != hg_scanner::THREAD_RUNNING_IDLE)
    //    std::this_thread::sleep_for(std::chrono::milliseconds(3));

    return err;
}
scanner_err hg_scanner_mgr::hg_scanner_get_img_info(scanner_handle h, SANE_Parameters* bmi, long len)
{
	return (scanner_err)SCAN_PTR(h)->get_image_info(bmi);
}
scanner_err hg_scanner_mgr::hg_scanner_read_img_data(scanner_handle h, unsigned char* data, long* len)
{
    if (!len)
        return SCANNER_ERR_INVALID_PARAMETER;

    size_t  l = *len,
            err = SCAN_PTR(h)->read_image_data(data, &l);

    *len = l;

    return (scanner_err)err;
}
scanner_err hg_scanner_mgr::hg_scanner_get_status(scanner_handle h, int setstutas)
{
    return (scanner_err)SCAN_PTR(h)->status();
}
scanner_err hg_scanner_mgr::hg_scanner_reset(scanner_handle h)
{
    return SCANNER_ERR_OK;  // (scanner_err)SCAN_PTR(h)->reset();
}
scanner_err hg_scanner_mgr::hg_scanner_control(scanner_handle h, unsigned long code, void* data, unsigned* len)
{
    return SCANNER_ERR_DEVICE_NOT_SUPPORT;
}

void hg_scanner_mgr::on_language_changed(void)
{
    std::lock_guard<std::mutex>      lock(mutex_dev_);
    for (auto& v: online_devices_)
    {
        if (v.scanner)
        {
            device_option* opt = v.scanner->get_device_opt();
            opt->update_data(nullptr, nullptr, false);
            opt->release();
        }
    }
}
const char* hg_scanner_mgr::last_open_message(void)
{
    return hg_scanner_mgr::last_open_msg_.c_str();
}