/*
 * memsave.c - Copyright (C) 2003-2005 Thierry Leconte
 *             Copyright (C) 2008-2010 Stephane Fillod
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License along
 *   with this program; if not, write to the Free Software Foundation, Inc.,
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 */

#include <hamlib/rig.h>

#ifdef HAVE_XML2
#  include <libxml/parser.h>
#  include <libxml/tree.h>

static int dump_xml_chan(RIG *rig,
                         vfo_t vfo,
                         channel_t **chan,
                         int channel_num,
                         const chan_t *chan_list,
                         rig_ptr_t arg);
#endif


int xml_save(RIG *rig, const char *outfilename)
{
#ifdef HAVE_XML2
    int retval;
    xmlDocPtr Doc;
    xmlNodePtr root;

    /* create xlm Doc */
    Doc = xmlNewDoc((unsigned char *) "1.0");
    root = xmlNewNode(NULL, (unsigned char *) "hamlib");
    xmlDocSetRootElement(Doc, root);
    root = xmlNewChild(root, NULL, (unsigned char *) "channels", NULL);


    if (rig->caps->clone_combo_get)
        printf("About to save data, enter cloning mode: %s\n",
               rig->caps->clone_combo_get);

    retval = rig_get_chan_all_cb(rig, RIG_VFO_NONE, dump_xml_chan, root);

    if (retval != RIG_OK)
    {
        return retval;
    }

    /* write xml File */

    xmlSaveFormatFileEnc(outfilename, Doc, "UTF-8", 1);

    xmlFreeDoc(Doc);
    xmlCleanupParser();

    return 0;
#else
    return -RIG_ENAVAIL;
#endif
}


int xml_parm_save(RIG *rig, const char *outfilename)
{
    return -RIG_ENIMPL;
}


#ifdef HAVE_XML2
int dump_xml_chan(RIG *rig,
                  vfo_t vfo,
                  channel_t **chan_pp,
                  int chan_num,
                  const chan_t *chan_list,
                  rig_ptr_t arg)
{
    char attrbuf[20];
    xmlNodePtr root = arg;
    xmlNodePtr node = NULL;
    int i;
    const char *mtype;

    static channel_t chan;
    const channel_cap_t *mem_caps = &chan_list->mem_caps;


    if (*chan_pp == NULL)
    {
        /*
         * Hamlib frontend demand application an allocated
         * channel_t pointer for next round.
         */
        *chan_pp = &chan;

        return RIG_OK;
    }

    if (chan_list->type == RIG_MTYPE_NONE)
    {
        return RIG_OK;
    }

    mtype = rig_strmtype(chan_list->type);

    for (i = 0; i < strlen(mtype); i++)
    {
        attrbuf[i] = tolower(mtype[i]);
    }

    attrbuf[i] = '\0';

    node = xmlNewChild(root, NULL, (unsigned char *)attrbuf, NULL);

    if (mem_caps->bank_num)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%d", chan.bank_num);
        xmlNewProp(node, (unsigned char *) "bank_num", (unsigned char *) attrbuf);
    }

    SNPRINTF(attrbuf, sizeof(attrbuf), "%d", chan.channel_num);
    xmlNewProp(node, (unsigned char *) "num", (unsigned char *) attrbuf);

    if (mem_caps->channel_desc && chan.channel_desc[0] != '\0')
    {
        xmlNewProp(node,
                   (unsigned char *) "channel_desc",
                   (unsigned char *) chan.channel_desc);
    }

    if (mem_caps->vfo)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%u", chan.vfo);
        xmlNewProp(node, (unsigned char *) "vfo", (unsigned char *) attrbuf);
    }

    if (mem_caps->ant && chan.ant != RIG_ANT_NONE)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%u", chan.ant);
        xmlNewProp(node, (unsigned char *) "ant", (unsigned char *) attrbuf);
    }

    if (mem_caps->freq && chan.freq != RIG_FREQ_NONE)
    {
        // cppcheck-suppress *
        char *fmt = "%"PRIll;
        // cppcheck-suppress *
        SNPRINTF(attrbuf, sizeof(attrbuf), fmt, (int64_t)chan.freq);
        xmlNewProp(node, (unsigned char *) "freq", (unsigned char *) attrbuf);
    }

    if (mem_caps->mode && chan.mode != RIG_MODE_NONE)
    {
        xmlNewProp(node, (unsigned char *) "mode",
                   (unsigned char *) rig_strrmode(chan.mode));
    }

    if (mem_caps->width && chan.width != 0)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%d", (int)chan.width);
        xmlNewProp(node, (unsigned char *) "width", (unsigned char *) attrbuf);
    }

    if (mem_caps->tx_freq && chan.tx_freq != RIG_FREQ_NONE)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%"PRIll, (int64_t)chan.tx_freq);
        xmlNewProp(node, (unsigned char *) "tx_freq", (unsigned char *) attrbuf);
    }

    if (mem_caps->tx_mode && chan.tx_mode != RIG_MODE_NONE)
    {
        xmlNewProp(node,
                   (unsigned char *) "tx_mode",
                   (unsigned char *) rig_strrmode(chan.tx_mode));
    }

    if (mem_caps->tx_width && chan.tx_width != 0)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%d", (int)chan.tx_width);
        xmlNewProp(node, (unsigned char *) "tx_width", (unsigned char *) attrbuf);
    }

    if (mem_caps->split && chan.split != RIG_SPLIT_OFF)
    {
        xmlNewProp(node, (unsigned char *) "split", (unsigned char *) "on");

        if (mem_caps->tx_vfo)
        {
            SNPRINTF(attrbuf, sizeof(attrbuf), "%x", chan.tx_vfo);
            xmlNewProp(node,
                       (unsigned char *) "tx_vfo",
                       (unsigned char *) attrbuf);
        }
    }

    if (mem_caps->rptr_shift && chan.rptr_shift != RIG_RPT_SHIFT_NONE)
    {
        xmlNewProp(node,
                   (unsigned char *) "rptr_shift",
                   (unsigned char *) rig_strptrshift(chan.rptr_shift));

        if (mem_caps->rptr_offs && (int)chan.rptr_offs != 0)
        {
            SNPRINTF(attrbuf, sizeof(attrbuf), "%d", (int)chan.rptr_offs);
            xmlNewProp(node,
                       (unsigned char *) "rptr_offs",
                       (unsigned char *) attrbuf);
        }
    }

    if (mem_caps->tuning_step && chan.tuning_step != 0)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%d", (int)chan.tuning_step);
        xmlNewProp(node, (unsigned char *) "tuning_step", (unsigned char *) attrbuf);
    }

    if (mem_caps->rit && chan.rit != 0)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%d", (int)chan.rit);
        xmlNewProp(node, (unsigned char *) "rit", (unsigned char *) attrbuf);
    }

    if (mem_caps->xit && chan.xit != 0)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%d", (int)chan.xit);
        xmlNewProp(node, (unsigned char *) "xit", (unsigned char *) attrbuf);
    }

    if (mem_caps->funcs)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%lx", chan.funcs);
        xmlNewProp(node, (unsigned char *) "funcs", (unsigned char *) attrbuf);
    }

    if (mem_caps->ctcss_tone && chan.ctcss_tone != 0)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%u", chan.ctcss_tone);
        xmlNewProp(node, (unsigned char *) "ctcss_tone", (unsigned char *) attrbuf);
    }

    if (mem_caps->ctcss_sql && chan.ctcss_sql != 0)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%u", chan.ctcss_sql);
        xmlNewProp(node, (unsigned char *) "ctcss_sql", (unsigned char *) attrbuf);
    }

    if (mem_caps->dcs_code && chan.dcs_code != 0)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%u", chan.dcs_code);
        xmlNewProp(node, (unsigned char *) "dcs_code", (unsigned char *) attrbuf);
    }

    if (mem_caps->dcs_sql && chan.dcs_sql != 0)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%u", chan.dcs_sql);
        xmlNewProp(node, (unsigned char *) "dcs_sql", (unsigned char *) attrbuf);
    }

    if (mem_caps->scan_group)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%d", chan.scan_group);
        xmlNewProp(node, (unsigned char *) "scan_group", (unsigned char *) attrbuf);
    }

    if (mem_caps->flags)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%x", chan.flags);
        xmlNewProp(node, (unsigned char *) "flags", (unsigned char *) attrbuf);
    }

    if (mem_caps->tag[0] != 0)
    {
        SNPRINTF(attrbuf, sizeof(attrbuf), "%s", chan.tag);
        xmlNewProp(node, (unsigned char *) "tag", (unsigned char *) attrbuf);
    }

    return 0;
}
#endif