/*
 * libmedia-service
 *
 * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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 <string.h>
#include <unistd.h>
#include <sys/types.h>
#include "media-svc-media.h"
#include "media-svc-media-folder.h"
#include "media-svc-debug.h"
#include "media-svc-util.h"
#include "media-svc-db-utils.h"
#include "media-svc-noti.h"

#define MEDIA_SVC_MAX_COMMIT_SIZE 200

static __thread GList *g_media_svc_scanner_query_list = NULL;
static __thread GList *g_media_svc_update_list = NULL;

int _media_svc_check_data_by_path(sqlite3 *handle, const char *path)
{
	int ret = MS_MEDIA_ERR_NONE;
	sqlite3_stmt *sql_stmt = NULL;
	char *sql = NULL;

	media_svc_retvm_if(!STRING_VALID(path), MS_MEDIA_ERR_INVALID_PARAMETER, "Path is NULL");

	sql = sqlite3_mprintf("SELECT 1 FROM %q WHERE media_path=%Q", DB_TABLE_MEDIA, path);
	ret = _media_svc_sql_prepare_to_step(handle, sql, &sql_stmt);
	media_svc_retv_if(ret != MS_MEDIA_ERR_NONE, ret);
	SQLITE3_FINALIZE(sql_stmt);

	return ret;
}

int _media_svc_get_modified_time(sqlite3 *handle, const char *path, int *modified_time)
{
	int ret = MS_MEDIA_ERR_NONE;
	sqlite3_stmt *sql_stmt = NULL;
	char *sql = NULL;

	media_svc_retvm_if(!STRING_VALID(path), MS_MEDIA_ERR_INVALID_PARAMETER, "Path is NULL");

	sql = sqlite3_mprintf("SELECT media_modified_time FROM %q WHERE media_path=%Q", DB_TABLE_MEDIA, path);
	ret = _media_svc_sql_prepare_to_step(handle, sql, &sql_stmt);
	media_svc_retv_if(ret != MS_MEDIA_ERR_NONE, ret);

	*modified_time = sqlite3_column_int(sql_stmt, 0);

	SQLITE3_FINALIZE(sql_stmt);

	return MS_MEDIA_ERR_NONE;
}

static char *__media_svc_make_insert_query(media_svc_content_info_s *content_info)
{
	return sqlite3_mprintf("INSERT INTO %q(media_id, media_path, media_display_name, media_type, media_mime_type, media_size, media_modified_time, folder_id, media_thumbnail_path, media_title, album_id, media_album, media_artist, media_album_artist, media_genre, media_year, media_track_num, media_width, media_height, media_datetaken, orientation, storage_uuid) VALUES (%Q, %Q, %Q, %d, %Q, %lld, %d, %lld, %Q, %Q, %d, %Q, %Q, %Q, %Q, %Q, %Q, %d, %d, %Q, %d, %Q);",
			DB_TABLE_MEDIA,
			content_info->media_uuid,
			content_info->path,
			content_info->file_name,
			content_info->media_type,
			content_info->mime_type,
			content_info->size,
			content_info->modified_time,
			content_info->folder_id,
			content_info->thumbnail_path,
			content_info->media_meta.title,
			content_info->album_id,
			content_info->media_meta.album,
			content_info->media_meta.artist,
			content_info->media_meta.album_artist,
			content_info->media_meta.genre,
			content_info->media_meta.year,
			content_info->media_meta.track_num,
			content_info->media_meta.width,
			content_info->media_meta.height,
			content_info->media_meta.datetaken,
			content_info->media_meta.orientation,
			content_info->storage_uuid);
}

int _media_svc_insert_item_stack(media_svc_content_info_s *content_info)
{
	char *sql = __media_svc_make_insert_query(content_info);
	media_svc_retvm_if(!sql, MS_MEDIA_ERR_INVALID_PARAMETER, "make query failed");

	media_svc_sec_debug("Query[%s]", sql);

	_media_svc_sql_query_add(&g_media_svc_scanner_query_list, &sql);

	return MS_MEDIA_ERR_NONE;
}

int _media_svc_insert_item(media_svc_content_info_s *content_info, uid_t uid)
{
	int ret = MS_MEDIA_ERR_NONE;
	char *sql = __media_svc_make_insert_query(content_info);
	media_svc_retvm_if(!sql, MS_MEDIA_ERR_INVALID_PARAMETER, "make query failed");

	ret = _media_svc_sql_query(sql, uid);
	SQLITE3_SAFE_FREE(sql);
	media_svc_retvm_if(ret != MS_MEDIA_ERR_NONE, ret, "failed to insert item");

	return MS_MEDIA_ERR_NONE;
}

int _media_svc_update_item_with_data(bool is_direct, media_svc_content_info_s *content_info, uid_t uid)
{
	int ret = MS_MEDIA_ERR_NONE;

	char *sql = sqlite3_mprintf("UPDATE %q SET media_size=%lld, media_modified_time=%d, media_thumbnail_path=%Q, media_title=%Q, album_id=%d, media_album=%Q, media_artist=%Q, media_album_artist=%Q, media_genre=%Q, media_year=%Q, media_track_num=%Q, media_width=%d, media_height=%d, media_datetaken=%Q, orientation=%d, validity=1 WHERE media_path=%Q;",
				DB_TABLE_MEDIA,
				content_info->size,
				content_info->modified_time,
				content_info->thumbnail_path,
				content_info->media_meta.title,
				content_info->album_id,
				content_info->media_meta.album,
				content_info->media_meta.artist,
				content_info->media_meta.album_artist,
				content_info->media_meta.genre,
				content_info->media_meta.year,
				content_info->media_meta.track_num,
				content_info->media_meta.width,
				content_info->media_meta.height,
				content_info->media_meta.datetaken,
				content_info->media_meta.orientation,
				content_info->path
				);

	/* Scanner use only batch insert */
	if (is_direct) {
		media_svc_sec_debug("Query [%s]", sql);
		_media_svc_sql_query_add(&g_media_svc_scanner_query_list, &sql);
	} else {
		ret = _media_svc_sql_query(sql, uid);
		SQLITE3_SAFE_FREE(sql);
	}

	return ret;
}
int _media_svc_get_thumbnail_path_by_path(sqlite3 *handle, const char *path, char *thumbnail_path)
{
	int ret = MS_MEDIA_ERR_NONE;
	sqlite3_stmt *sql_stmt = NULL;
	char *sql = NULL;

	media_svc_retvm_if(!STRING_VALID(path), MS_MEDIA_ERR_INVALID_PARAMETER, "path is NULL");

	sql = sqlite3_mprintf("SELECT media_thumbnail_path FROM %q WHERE media_path=%Q", DB_TABLE_MEDIA, path);

	ret = _media_svc_sql_prepare_to_step(handle, sql, &sql_stmt);

	if (ret != MS_MEDIA_ERR_NONE) {
		if (ret == MS_MEDIA_ERR_DB_NO_RECORD)
			media_svc_debug("there is no thumbnail.");
		else
			media_svc_error("error when _media_svc_get_thumbnail_path_by_path. err = [%d]", ret);

		return ret;
	}

	g_strlcpy(thumbnail_path, (const char *)sqlite3_column_text(sql_stmt, 0), MEDIA_SVC_PATHNAME_SIZE);

	SQLITE3_FINALIZE(sql_stmt);

	return MS_MEDIA_ERR_NONE;
}

int _media_svc_delete_item_by_path(const char *path, uid_t uid)
{
	int ret = MS_MEDIA_ERR_NONE;
	char *sql = NULL;

	media_svc_retvm_if(!STRING_VALID(path), MS_MEDIA_ERR_INVALID_PARAMETER, "path is NULL");

	sql = sqlite3_mprintf("DELETE FROM %q WHERE media_path=%Q;", DB_TABLE_MEDIA, path);

	ret = _media_svc_sql_query(sql, uid);
	SQLITE3_SAFE_FREE(sql);
	media_svc_retvm_if(ret != MS_MEDIA_ERR_NONE, ret, "failed to delete item");

	return ret;
}

int _media_svc_update_item_validity(const char *path, int validity, bool stack_query, uid_t uid)
{
	int ret = MS_MEDIA_ERR_NONE;
	char *sql = NULL;

	media_svc_retvm_if(!STRING_VALID(path), MS_MEDIA_ERR_INVALID_PARAMETER, "path is NULL");

	media_svc_debug("path=[%s], validity=[%d]", path, validity);

	sql = sqlite3_mprintf("UPDATE %q SET validity=%d WHERE media_path=%Q;", DB_TABLE_MEDIA, validity, path);

	if (!stack_query) {
		ret = _media_svc_sql_query_direct(sql, uid);
		SQLITE3_SAFE_FREE(sql);
	} else {
		_media_svc_sql_query_add(&g_media_svc_scanner_query_list, &sql);
	}

	return ret;
}

int _media_svc_update_thumbnail_path(const char *path, const char *thumb_path, uid_t uid)
{
	int ret = MS_MEDIA_ERR_NONE;

	char *sql = sqlite3_mprintf("UPDATE %q SET media_thumbnail_path=%Q WHERE media_path=%Q;", DB_TABLE_MEDIA, thumb_path, path);

	ret = _media_svc_sql_query(sql, uid);
	SQLITE3_SAFE_FREE(sql);

	return ret;
}

int _media_svc_update_item_by_path(const char *src_path, const char *dst_storage_id, const char *dest_path, const char *file_name, int modified_time, long long int folder_id, uid_t uid)
{
	int ret = MS_MEDIA_ERR_NONE;
	char *query = sqlite3_mprintf("UPDATE %q SET media_path=%Q, media_display_name=%Q, media_modified_time=%d, folder_id=%lld, storage_uuid=%Q WHERE media_path=%Q;",
				DB_TABLE_MEDIA, dest_path, file_name, modified_time, folder_id, dst_storage_id, src_path);

	ret = _media_svc_sql_query(query, uid);
	SQLITE3_SAFE_FREE(query);

	return ret;
}

int _media_svc_list_query_do(media_svc_query_type_e query_type, uid_t uid)
{
	int ret = MS_MEDIA_ERR_NONE;

	/* For multiples of 200, empty requests are possible */
	switch (query_type) {
	case MEDIA_SVC_QUERY_SCANNER:
		ret = _media_svc_sql_query_list_direct(&g_media_svc_scanner_query_list, uid);
		break;
	case MEDIA_SVC_QUERY_UPDATE_COMMON:
		if (g_media_svc_update_list == NULL || g_list_length(g_media_svc_update_list) == 0)
			return MS_MEDIA_ERR_NONE;

		ret = _media_svc_sql_query_list(&g_media_svc_update_list, uid);
		break;
	default:
		media_svc_error("Wrong type[%d]", query_type);
		return MS_MEDIA_ERR_INVALID_PARAMETER;
	}

	media_svc_retvm_if(ret != MS_MEDIA_ERR_NONE, ret, "Failed to request queries");

	return MS_MEDIA_ERR_NONE;
}

int _media_svc_append_query_list(const char *query, uid_t uid)
{
	int ret = MS_MEDIA_ERR_NONE;

	media_svc_retvm_if(query == NULL, MS_MEDIA_ERR_INVALID_PARAMETER, "query is NULL");

	g_media_svc_update_list = g_list_append(g_media_svc_update_list, (gpointer)query);

	if (g_list_length(g_media_svc_update_list) >= MEDIA_SVC_MAX_COMMIT_SIZE)
		ret = _media_svc_list_query_do(MEDIA_SVC_QUERY_UPDATE_COMMON, uid);

	return ret;
}

int _media_svc_get_media(sqlite3 *handle, const char *sql, GList **path_list)
{
	int ret = MS_MEDIA_ERR_NONE;
	sqlite3_stmt *sql_stmt = NULL;

	media_svc_retvm_if(!sql, MS_MEDIA_ERR_INVALID_PARAMETER, "query is NULL");
	media_svc_retvm_if(!path_list, MS_MEDIA_ERR_INVALID_PARAMETER, "array is NULL");

	ret = _media_svc_sql_prepare_to_step_simple(handle, sql, &sql_stmt);
	media_svc_retvm_if(ret != MS_MEDIA_ERR_NONE, ret, "_media_svc_sql_prepare_to_step_simple() failed [%d]", ret);

	while (sqlite3_step(sql_stmt) == SQLITE_ROW)
		*path_list = g_list_append(*path_list, g_strdup((const char *)sqlite3_column_text(sql_stmt, 0)));

	SQLITE3_FINALIZE(sql_stmt);

	return ret;
}

int _media_svc_get_noti_info(sqlite3 *handle, const char *path, media_svc_noti_item **item)
{
	int ret = MS_MEDIA_ERR_NONE;
	sqlite3_stmt *sql_stmt = NULL;
	char *sql = NULL;

	media_svc_retvm_if(item == NULL, MS_MEDIA_ERR_INVALID_PARAMETER, "item is NULL");
	media_svc_retvm_if(!STRING_VALID(path), MS_MEDIA_ERR_INVALID_PARAMETER, "path is NULL");

	sql = sqlite3_mprintf("SELECT media_id, media_type, media_mime_type FROM %q WHERE media_path=%Q", DB_TABLE_MEDIA, path);
	ret = _media_svc_sql_prepare_to_step(handle, sql, &sql_stmt);
	media_svc_retvm_if(ret != MS_MEDIA_ERR_NONE, ret, "_media_svc_sql_prepare_to_step() failed [%d]", ret);

	*item = g_new0(media_svc_noti_item, 1);

	(*item)->media_uuid = g_strdup((const char *)sqlite3_column_text(sql_stmt, 0));
	(*item)->media_type = sqlite3_column_int(sql_stmt, 1);
	(*item)->mime_type = g_strdup((const char *)sqlite3_column_text(sql_stmt, 2));

	SQLITE3_FINALIZE(sql_stmt);

	return MS_MEDIA_ERR_NONE;
}