/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */

/*! \file common/utils/websrv/websrv_noforms.c
 * \brief: primitives replacing xforms when compiling nr_phy_scope.c for the webserver shared lib
 * \author Francois TABURET
 * \date 2022
 * \version 0.1
 * \company NOKIA BellLabs France
 * \email: francois.taburet@nokia-bell-labs.com
 * \note
 * \warning
 */
#include <stdlib.h>
#include <jansson.h>
#include <ulfius.h>
#include "common/utils/LOG/log.h"
#include "common/utils/websrv/websrv.h"
#include "common/utils/websrv/websrv_noforms.h"
#include <common/utils/assertions.h>


#define MAX_LAYER 8

/* replacement for xforms function used in xforms softscope */
typedef struct {
  websrv_scopedata_msg_t *buf;
} websrv_scopedata_layermsgs_t;

typedef struct {
  char *title; /* overall title                */
  websrv_scopedata_layermsgs_t buff[MAX_LAYER]; /*  buff per layer */
  int n[MAX_LAYER]; /* total points */
} FLI_XYPLOT_SPEC;

FL_OBJECT *websrv_fl_add_xyplot(int t, FL_Coord x, FL_Coord y, FL_Coord w, FL_Coord h, const char *label)
{
  FL_OBJECT *obj;

  obj = (FL_OBJECT *)calloc(1, sizeof(FL_OBJECT));
  AssertFatal((obj != NULL), "Cannot allocate scope object for %s\n", (label!=NULL)?label:"??");
  if (obj) {
    obj->spec = (FLI_XYPLOT_SPEC *)calloc(1, sizeof(FLI_XYPLOT_SPEC));
    AssertFatal((obj->spec != NULL), "Cannot allocate scope object buffers for %s\n",(label!=NULL)?label:"??");
    FLI_XYPLOT_SPEC *spec = (FLI_XYPLOT_SPEC *)obj->spec;
    for (int j = 0; j < MAX_LAYER; j++) {
      spec->buff[j].buf = (websrv_scopedata_msg_t *)calloc(1, sizeof(websrv_scopedata_msg_t));
    }
    obj->objclass = FL_XYPLOT;
    obj->type = t;

    obj->x = x;
    obj->y = y;
    obj->w = w;
    obj->h = h;
    if (label)
      obj->label = strdup(label);
    LOG_I(UTIL, "[websrv], scope object for \"%s\" allocated obj at %p spec at %p\n", label, obj, obj->spec);
  }
  return obj;
};

void websrv_free_xyplot(FL_OBJECT *obj)
{
  FLI_XYPLOT_SPEC *spec = (FLI_XYPLOT_SPEC *)obj->spec;
  for (int j = 0; j < MAX_LAYER; j++) {
    free(spec->buff[j].buf);
  }
  free(obj->label);
  free(spec);
  free(obj);
};

FL_OBJECT *websrv_fl_add_canvas(int type, FL_Coord x, FL_Coord y, FL_Coord w, FL_Coord h, const char *label)
{
  return websrv_fl_add_xyplot(type, x, y, w, h, label);
}

void websrv_fl_get_xyplot_data(FL_OBJECT *ob, float *x, float *y, int *n)
{
  FLI_XYPLOT_SPEC *spec = (FLI_XYPLOT_SPEC *)(ob->spec);
  *n = spec->n[0];
};

void websrv_fl_get_xyplot_data_pointer(FL_OBJECT *ob, int id, float **x, float **y, int *n)
{
  FLI_XYPLOT_SPEC *spec = (FLI_XYPLOT_SPEC *)(ob->spec);
  *n = spec->n[id];
};

/*----------------------------------------------------------------------*/
/* new functions for interfacing with webserver                          */

int websrv_nf_getdata(FL_OBJECT *graph, int layer, websrv_scopedata_msg_t **msg)
{
  FLI_XYPLOT_SPEC *spec = (FLI_XYPLOT_SPEC *)(graph->spec);
  *msg = spec->buff[layer].buf;
  return spec->n[layer];
}