/*
 * Copyright (C) 2016 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifndef __LIBFM_QT_FM_FOLDER_CONFIG_H__
#define __LIBFM_QT_FM_FOLDER_CONFIG_H__

#include <libfm/fm.h>
#include <QObject>
#include <QtGlobal>
#include "libfmqtglobals.h"


namespace Fm {


class LIBFM_QT_API FolderConfig {
public:


  FolderConfig(FmPath* path) {
    dataPtr_ = reinterpret_cast<FmFolderConfig*>(fm_folder_config_open(path));
  }


  // default constructor
  FolderConfig() {
    dataPtr_ = nullptr;
  }


  // move constructor
  FolderConfig(FolderConfig&& other) {
    dataPtr_ = reinterpret_cast<FmFolderConfig*>(other.takeDataPtr());
  }


  // destructor
  ~FolderConfig() {
    if(dataPtr_ != nullptr) {
      fm_folder_config_close(dataPtr_, nullptr);
    }
  }


  // create a wrapper for the data pointer without increasing the reference count
  static FolderConfig wrapPtr(FmFolderConfig* dataPtr) {
    FolderConfig obj;
    obj.dataPtr_ = reinterpret_cast<FmFolderConfig*>(dataPtr);
    return obj;
  }

  // disown the managed data pointer
  FmFolderConfig* takeDataPtr() {
    FmFolderConfig* data = reinterpret_cast<FmFolderConfig*>(dataPtr_);
    dataPtr_ = nullptr;
    return data;
  }

  // get the raw pointer wrapped
  FmFolderConfig* dataPtr() {
    return reinterpret_cast<FmFolderConfig*>(dataPtr_);
  }

  // automatic type casting
  operator FmFolderConfig*() {
    return dataPtr();
  }

  // automatic type casting
  operator void*() {
    return dataPtr();
  }



  // move assignment
  FolderConfig& operator=(FolderConfig&& other) {
    dataPtr_ = reinterpret_cast<FmFolderConfig*>(other.takeDataPtr());
    return *this;
  }

  bool isNull() {
    return (dataPtr_ == nullptr);
  }

  // methods

  static void saveCache(void ) {
    fm_folder_config_save_cache();
  }


  void purge(void) {
    fm_folder_config_purge(dataPtr());
  }


  void removeKey(const char* key) {
    fm_folder_config_remove_key(dataPtr(), key);
  }


  void setStringList(const char* key, const gchar * const list[], gsize length) {
    fm_folder_config_set_string_list(dataPtr(), key, list, length);
  }


  void setString(const char* key, const char* string) {
    fm_folder_config_set_string(dataPtr(), key, string);
  }


  void setBoolean(const char* key, gboolean val) {
    fm_folder_config_set_boolean(dataPtr(), key, val);
  }


  void setDouble(const char* key, gdouble val) {
    fm_folder_config_set_double(dataPtr(), key, val);
  }


  void setUint64(const char* key, guint64 val) {
    fm_folder_config_set_uint64(dataPtr(), key, val);
  }


  void setInteger(const char* key, gint val) {
    fm_folder_config_set_integer(dataPtr(), key, val);
  }


  char** getStringList(const char* key, gsize* length) {
    return fm_folder_config_get_string_list(dataPtr(), key, length);
  }


  char* getString(const char* key) {
    return fm_folder_config_get_string(dataPtr(), key);
  }


  bool getBoolean(const char* key, gboolean* val) {
    return fm_folder_config_get_boolean(dataPtr(), key, val);
  }


  bool getDouble(const char* key, gdouble* val) {
    return fm_folder_config_get_double(dataPtr(), key, val);
  }


  bool getUint64(const char* key, guint64* val) {
    return fm_folder_config_get_uint64(dataPtr(), key, val);
  }


  bool getInteger(const char* key, gint* val) {
    return fm_folder_config_get_integer(dataPtr(), key, val);
  }


  bool isEmpty(void) {
    return fm_folder_config_is_empty(dataPtr());
  }


// the wrapped object cannot be copied.
private:
  FolderConfig(const FolderConfig& other) = delete;
  FolderConfig& operator=(const FolderConfig& other) = delete;


private:
  FmFolderConfig* dataPtr_; // data pointer for the underlying C struct

};


}

#endif // __LIBFM_QT_FM_FOLDER_CONFIG_H__
