/*
 * Copyright (C) 2015 "IoT.bzh"
 * Author "Fulup Ar Foll"
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */


#include "local-def.h"

// Sample Generic Ping Debug API
static json_object* getPingTest(AFB_request *request) {
    static int pingcount = 0;
    json_object *response;
    char query  [8000];
    int len;
    
    // request all query key/value
    len = getQueryAll (request, query, sizeof(query));
    if (len == 0) strncpy (query, "NoSearchQueryList", sizeof(query));
    
    // return response to caller
    response = jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon count=%d uuid=%s query={%s}"
               , pingcount++, request->uuid, query);
    return (response);
}

// With content-type=json data are directly avaliable in request->post->data
STATIC json_object* GetJsonByPost (AFB_request *request) {
    json_object* jresp;
    char query [8000];
    int  len;
    
    // Get all query string [Note real app should probably use value=getQueryValue(request,"key")]
    len = getQueryAll (request, query, sizeof(query));
    if (len == 0) strncpy (query, "NoSearchQueryList", sizeof(query));
    
    // for debug/test return response to caller
    jresp = jsonNewMessage(AFB_SUCCESS, "GetJsonByPost query={%s}", query);
    
    return (jresp);    
}



// Upload a file and execute a function when upload is done
STATIC json_object* UploadAppli (AFB_request *request, AFB_PostItem *item) {
    
    char *destination = "applications";

    // This is called after PostForm and then after DonePostForm
    if (item == NULL) {
        // Do something intelligent here to install application
        request->errcode = MHD_HTTP_OK;   // or error is something went wrong;   
        request->jresp   = jsonNewMessage(AFB_SUCCESS,"UploadFile Post Appli=%s done", getPostPath (request));
        // Note: should not return here in order getPostedFile to clear Post resources.
    }
    
    // upload multi iteration logic is handle by getPostedFile
    return (getPostFile (request, item, destination));
}

// Simples Upload case just upload a file
STATIC json_object* UploadMusic (AFB_request *request, AFB_PostItem *item) {
    
    // upload multi iteration logic is handle by getPostedFile
    return (getPostFile (request, item, "musics"));
}

// PostForm callback is called multiple times (one or each key within form, or once per file buffer)
// When file has been fully uploaded call is call with item==NULL 
STATIC json_object* UploadImage (AFB_request *request, AFB_PostItem *item) {
    
    // note if directory is relative it will be prefixed by request->config->sessiondir
    char *destination = "images";

    // This is called after PostForm and then after DonePostForm
    if (item == NULL && getPostPath (request) != NULL) {
        // Do something with your newly upload filepath=postFileCtx->path
        request->errcode = MHD_HTTP_OK;     
        request->jresp   = jsonNewMessage(AFB_SUCCESS,"UploadFile Post Image done");    

        // Note: should not return here in order getPostedFile to clear Post resources.
    }
    
    // upload multi iteration logic is handle by getPostedFile
    return (getPostFile (request, item, destination));
}


// NOTE: this sample does not use session to keep test a basic as possible
//       in real application upload-xxx should be protected with AFB_SESSION_CHECK
STATIC  AFB_restapi pluginApis[]= {
  {"ping"         , AFB_SESSION_NONE  , (AFB_apiCB)getPingTest    ,"Ping Rest Test Service"},
  {"upload-json"  , AFB_SESSION_NONE  , (AFB_apiCB)GetJsonByPost  ,"Demo for Json Buffer on Post"},
  {"upload-image" , AFB_SESSION_NONE  , (AFB_apiCB)UploadImage    ,"Demo for file upload"},
  {"upload-music" , AFB_SESSION_NONE  , (AFB_apiCB)UploadMusic    ,"Demo for file upload"},
  {"upload-appli" , AFB_SESSION_NONE  , (AFB_apiCB)UploadAppli    ,"Demo for file upload"},
  {NULL}
};

PUBLIC AFB_plugin *pluginRegister () {
    AFB_plugin *plugin = malloc (sizeof (AFB_plugin));
    plugin->type  = AFB_PLUGIN_JSON; 
    plugin->info  = "Sample with Post Upload Files";
    plugin->prefix= "post";  // url base
    plugin->apis  = pluginApis;
    
    return (plugin);
};