/****************************************************************************
 * This file is part of the project AqHome.
 * AqHome (c) by 2023 Martin Preuss, all rights reserved.
 *
 * The license for this file can be found in the file COPYING which you
 * should have received along with this file.
 ****************************************************************************/

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

//#define DISABLE_DEBUGLOG


#include "aqhome/http/content_files_p.h"

#include <gwenhywfar/debug.h>
#include <gwenhywfar/syncio.h>



GWEN_INHERIT(AQH_HTTP_CONTENT, AQH_HTTP_CONTENT_FILES)


/* ------------------------------------------------------------------------------------------------
 * forward declarations
 * ------------------------------------------------------------------------------------------------
 */

static void _freeData(void *bp, void *p);
static int _addOpeningContent(AQH_HTTP_CONTENT *cp, int mode, GWEN_BUFFER *buffer);
static int _addClosingContent(AQH_HTTP_CONTENT *cp, int mode, GWEN_BUFFER *buffer);



/* ------------------------------------------------------------------------------------------------
 * implementations
 * ------------------------------------------------------------------------------------------------
 */

AQH_HTTP_CONTENT *AQH_HttpContentFiles_new(const char *name, const char *headerFilename, const char *footerFilename)
{
  AQH_HTTP_CONTENT *cp;
  AQH_HTTP_CONTENT_FILES *xcp;

  cp=AQH_HttpContent_new(name);
  GWEN_NEW_OBJECT(AQH_HTTP_CONTENT_FILES, xcp);
  GWEN_INHERIT_SETDATA(AQH_HTTP_CONTENT, AQH_HTTP_CONTENT_FILES, cp, xcp, _freeData);

  xcp->headerFilename=(headerFilename && *headerFilename)?strdup(headerFilename):NULL;
  xcp->footerFilename=(footerFilename && *footerFilename)?strdup(footerFilename):NULL;

  AQH_HttpContent_SetAddOpeningContentFn(cp, _addOpeningContent);
  AQH_HttpContent_SetAddClosingContentFn(cp, _addClosingContent);

  return cp;
}



void _freeData(void *bp, void *p)
{
  AQH_HTTP_CONTENT_FILES *xcp;

  xcp=(AQH_HTTP_CONTENT_FILES*) p;

  free(xcp->footerData);
  free(xcp->headerData);

  free(xcp->footerFilename);
  free(xcp->headerFilename);
  GWEN_FREE_OBJECT(xcp);
}



int _addOpeningContent(AQH_HTTP_CONTENT *cp, int mode, GWEN_BUFFER *buffer)
{
  if (cp) {
    AQH_HTTP_CONTENT_FILES *xcp;

    xcp=GWEN_INHERIT_GETDATA(AQH_HTTP_CONTENT, AQH_HTTP_CONTENT_FILES, cp);
    if (xcp) {
      if (xcp->headerData==NULL) {
        if (xcp->headerFilename) {
          int rv;
          GWEN_BUFFER *fileBuffer;

          fileBuffer=GWEN_Buffer_new(0, 256, 0, 1);
          rv=GWEN_SyncIo_Helper_ReadFile(xcp->headerFilename, fileBuffer);
          if (rv<0) {
            DBG_ERROR(AQH_LOGDOMAIN, "Error reading header file \"%s\": %d", xcp->headerFilename, rv);
            GWEN_Buffer_free(fileBuffer);
            return rv;
          }
          xcp->headerData=strdup(GWEN_Buffer_GetStart(fileBuffer));
          GWEN_Buffer_free(fileBuffer);
        }
      }
      if (xcp->headerData)
        GWEN_Buffer_AppendString(buffer, xcp->headerData);
    }
  }

  return 0;
}



int _addClosingContent(AQH_HTTP_CONTENT *cp, int mode, GWEN_BUFFER *buffer)
{
  if (cp) {
    AQH_HTTP_CONTENT_FILES *xcp;

    xcp=GWEN_INHERIT_GETDATA(AQH_HTTP_CONTENT, AQH_HTTP_CONTENT_FILES, cp);
    if (xcp) {
      if (xcp->footerData==NULL) {
        if (xcp->footerFilename) {
          int rv;
          GWEN_BUFFER *fileBuffer;

          fileBuffer=GWEN_Buffer_new(0, 256, 0, 1);
          rv=GWEN_SyncIo_Helper_ReadFile(xcp->footerFilename, fileBuffer);
          if (rv<0) {
            DBG_ERROR(AQH_LOGDOMAIN, "Error reading footer file \"%s\": %d", xcp->footerFilename, rv);
            GWEN_Buffer_free(fileBuffer);
            return rv;
          }
          xcp->footerData=strdup(GWEN_Buffer_GetStart(fileBuffer));
          GWEN_Buffer_free(fileBuffer);
        }
        if (xcp->footerData)
          GWEN_Buffer_AppendString(buffer, xcp->footerData);
      }
    }
  }

  return 0;
}