/*
 * Copyright (c) 2015 Samsung Electronics Co., Ltd
 *
 * Licensed under the Flora 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://floralicense.org/license/
 *
 * 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.
 */

#include <stdio.h>
#include <media_content.h>
#include <media_info.h>
#include <glib.h>
#include <string.h>
#include "doc-data-util.h"
#include "doc-local-data.h"
#include "doc-debug.h"


static bool _doc_local_data_clone_folder(media_folder_h folder,
										 bool b_path,
										 doc_folder_s ** pfolder)
{
	DOC_CHECK_FALSE(folder);
	DOC_CHECK_FALSE(pfolder);
	doc_folder_s *tmp_folder = NULL;

	tmp_folder = (doc_folder_s *) calloc(1, sizeof(doc_folder_s));
	if (tmp_folder == NULL) {
		doc_dbgE("Failed to calloc!");
		return false;
	}
	tmp_folder->gtype = DOC_TYPE_FOLDER;

	if (b_path) {
		if (media_folder_get_path(folder, &(tmp_folder->path)) !=
			MEDIA_CONTENT_ERROR_NONE) {
			doc_dbgE("Get folder path failed!");
			goto DOC_LOCAL_FAILED;
		}
	}
	if (media_folder_get_folder_id(folder, &(tmp_folder->uuid)) !=
		MEDIA_CONTENT_ERROR_NONE) {
		doc_dbgE("Get folder id failed!");
		goto DOC_LOCAL_FAILED;
	}
	if (media_folder_get_modified_time(folder, &(tmp_folder->mtime)) !=
		MEDIA_CONTENT_ERROR_NONE) {
		doc_dbgE("Get modified time failed!");
		goto DOC_LOCAL_FAILED;
	}

	media_content_storage_e storage_type;
	if (media_folder_get_storage_type(folder, &storage_type) !=
		MEDIA_CONTENT_ERROR_NONE) {
		doc_dbgE("Get storage type failed!");
		goto DOC_LOCAL_FAILED;
	}

	if (storage_type == MEDIA_CONTENT_STORAGE_INTERNAL) {	/* The device's internal storage */
		tmp_folder->type = DOC_PHONE;
	} else if (storage_type == MEDIA_CONTENT_STORAGE_EXTERNAL) {	/* The device's external storage */
		tmp_folder->type = DOC_MMC;
	} else {
		doc_dbgE("Undefined mode[%d]!", storage_type);
	}

	if (media_folder_get_name(folder, &(tmp_folder->display_name)) !=
		MEDIA_CONTENT_ERROR_NONE) {
		doc_dbgE("Get folder name failed!");
		goto DOC_LOCAL_FAILED;
	}

	*pfolder = tmp_folder;
	return true;

  DOC_LOCAL_FAILED:

	doc_data_type_free_item((void **) (&tmp_folder));
	*pfolder = NULL;
	return false;
}

static bool _doc_local_data_get_media_list_cb(media_info_h media,
											  void *data)
{
	DOC_CHECK_FALSE(data);
	doc_transfer_data_s *td = (doc_transfer_data_s *) data;
	DOC_CHECK_FALSE(td->userdata);
	DOC_CHECK_FALSE(media);
	doc_media_s *item = NULL;

	Eina_List **elist = (Eina_List **) (td->userdata);

	if (doc_data_util_clone_media(media, &item, td->with_meta)) {
		*elist = eina_list_append(*elist, item);
		return true;
	} else {
		return false;
	}
}

int doc_local_data_connect(void)
{
	int ret = -1;

	ret = media_content_connect();
	if (ret == MEDIA_CONTENT_ERROR_NONE) {
		doc_dbg("DB connection is success");
		return 0;
	} else {
		doc_dbgE("DB connection is failed!");
		return -1;
	}
}

int doc_local_data_disconnect(void)
{
	int ret = -1;

	ret = media_content_disconnect();
	if (ret == MEDIA_CONTENT_ERROR_NONE) {
		doc_dbg("DB disconnection is success");
		return 0;
	} else {
		doc_dbgE("DB disconnection is failed!");
		return -1;
	}
}

static bool _doc_local_data_get_folder_list_cb(media_folder_h folder,
											   void *data)
{
	DOC_CHECK_FALSE(data);
	doc_transfer_data_s *tmp_data = (doc_transfer_data_s *) data;
	DOC_CHECK_FALSE(tmp_data->userdata);
	DOC_CHECK_FALSE(folder);
	Eina_List **elist = (Eina_List **) (tmp_data->userdata);
	doc_folder_s *tmp_folder = NULL;

	char *path = NULL;
	if (media_folder_get_path(folder, &path) != MEDIA_CONTENT_ERROR_NONE) {
		doc_dbgE("Get folder path failed!");
		return false;
	}
	DOC_CHECK_FALSE(path);

	if (tmp_data->list_type != DOC_FOLDER_LIST_PATH) {
		if (!g_strcmp0(DOC_CAMERA_PATH_PHONE, path) ||
			!g_strcmp0(DOC_CAMERA_PATH_MMC, path) ||
			!g_strcmp0(DOC_DOWNLOADS_PATH, path)) {
			doc_dbgW("Camera or Downloads!");
			DOC_FREE(path);
			return true;
		}
	}

	_doc_local_data_clone_folder(folder, false, &tmp_folder);
	if (tmp_folder == NULL) {
		DOC_FREE(path);
		doc_dbgE("Failed clone folder!");
		return false;
	}
	tmp_folder->path = path;

	*elist = eina_list_append(*elist, tmp_folder);
	return true;
}

static int _doc_local_data_get_folder_list(doc_filter_s * condition,
										   Eina_List ** elilst)
{
	DOC_CHECK_VAL(elilst, -1);
	DOC_CHECK_VAL(condition, -1);
	int ret = -1;
	filter_h filter = NULL;

	ret = doc_data_util_create_filter(condition, &filter);
	if (ret != 0) {
		doc_dbgE("Create filter failed[%d]!", ret);
		return -1;
	}

	doc_transfer_data_s tran_data;
	memset(&tran_data, 0x00, sizeof(doc_transfer_data_s));
	tran_data.userdata = (void **) elilst;
	tran_data.folder_id = NULL;
	tran_data.with_meta = false;
	tran_data.list_type = condition->list_type;

	doc_dbg("Get folders--start");
	ret = media_folder_foreach_folder_from_db(filter,
											  _doc_local_data_get_folder_list_cb,
											  &tran_data);
	doc_dbg("Get folders--over");

	doc_data_util_destroy_filter(filter);

	if (ret != MEDIA_CONTENT_ERROR_NONE) {
		doc_dbgE("Get folders failed[%d]!", ret);
		return -1;
	}

	return 0;
}

int doc_local_data_get_folder_by_path(char *path, doc_folder_s ** folder)
{
	DOC_CHECK_VAL(path, -1);
	DOC_CHECK_VAL(folder, -1);
	int ret = -1;
	Eina_List *list = NULL;
	doc_filter_s condition;
	doc_folder_s *_item = NULL;
	int i = 0;

	if (strlen(path) <= 0) {
		doc_dbgE("Invalid path!");
		return -1;
	}
	doc_dbg("path: %s", path);

	memset(&condition, 0x00, sizeof(doc_filter_s));
	condition.collate_type = MEDIA_CONTENT_COLLATE_NOCASE;
	condition.sort_type = MEDIA_CONTENT_ORDER_DESC;
	condition.offset = -1;
	condition.count = -1;
	condition.with_meta = false;
	condition.list_type = DOC_FOLDER_LIST_PATH;

	snprintf(condition.cond, CONDITION_LENGTH, "%s AND %s=\'%s\'",
			 DOC_CONDITION_LOCAL_DOCUMENT, FOLDER_PATH, path);

	ret = _doc_local_data_get_folder_list(&condition, &list);
	if (ret != 0 || NULL == list) {
		doc_dbgE("Failed to get folder list[%d]!", ret);
		ret = -1;
	} else if (NULL != list) {
		*folder = eina_list_nth(list, 0);
		i = 1;
		ret = 0;
	}

	/* Free other items */
	if (list) {
		int len = eina_list_count(list);
		doc_dbg("len: %d", len);

		for (; i < len; i++) {
			_item = eina_list_nth(list, i);
			doc_data_type_free_item((void **) (&_item));
		}

		eina_list_free(list);
	}

	return ret;
}

int doc_local_data_get_all_media_count(doc_filter_s * condtion,
									   int *item_cnt)
{
	DOC_CHECK_VAL(condtion, -1);
	DOC_CHECK_VAL(item_cnt, -1);
	int ret = -1;
	filter_h filter = NULL;

	ret = doc_data_util_create_filter(condtion, &filter);
	if (ret != 0) {
		doc_dbgE("Create filter failed[%d]!", ret);
		return -1;
	}

	doc_dbg("Get media count--start");
	ret = media_info_get_media_count_from_db(filter, item_cnt);
	doc_dbg("Get media count--over");

	doc_data_util_destroy_filter(filter);

	if (ret != MEDIA_CONTENT_ERROR_NONE) {
		doc_dbgE("Get media count failed[d]!", ret);
		return -1;
	}

	return 0;
}

int doc_local_data_get_all_folders_media_list(doc_filter_s * condition,
											  Eina_List ** elist)
{
	DOC_CHECK_VAL(elist, -1);
	DOC_CHECK_VAL(condition, -1);
	int ret = -1;
	filter_h filter = NULL;

	ret = doc_data_util_create_filter(condition, &filter);
	if (ret != 0) {
		doc_dbgE("Create filter failed!");
		return -1;
	}

	doc_transfer_data_s tran_data;
	memset(&tran_data, 0x00, sizeof(doc_transfer_data_s));
	tran_data.userdata = (void **) elist;
	tran_data.folder_id = NULL;
	tran_data.with_meta = condition->with_meta;

	doc_dbg("Get all medias--start");
	ret = media_info_foreach_media_from_db(filter,
										   _doc_local_data_get_media_list_cb,
										   &tran_data);
	doc_dbg("Get all medias--over");

	doc_data_util_destroy_filter(filter);

	if (ret != MEDIA_CONTENT_ERROR_NONE) {
		doc_dbgE("Get all medias failed[d]!", ret);
		return -1;
	}

	return 0;
}