//		PRIVILEGES NEEDED TO BE SET IN tizen-manifest.xml:
//		http://tizen.org/privilege/download
//		http://tizen.org/privilege/mediastorage

#include <download.h>
#include <dlog.h> //for logging purposes

//Callback to be called on the download state change.
void download_state_callback(int download_id, download_state_e state, void *user_data)
{
	//when download is completed, failed or was canceled
	if(state >= DOWNLOAD_STATE_COMPLETED)
	{
		dlog_print(DLOG_INFO, LOG_TAG, "Download completed!");
		if (download_destroy(download_id) == DOWNLOAD_ERROR_NONE)
		{
			dlog_print(DLOG_INFO, LOG_TAG, "Successfully released the memory of a download request!");
		}
	}
}

// Main function for downloading the file with notification to default file name and location
bool download_file_with_notification(const char *url)
{
	int download_id = 0;
	if (download_create(&download_id) == DOWNLOAD_ERROR_NONE)
	{
		if (download_set_url(download_id, url) != DOWNLOAD_ERROR_NONE)
		{
			dlog_print(DLOG_ERROR, LOG_TAG, "Error occurred when setting url!");
			download_destroy(download_id);
			return false;
		}

		if (download_set_state_changed_cb(download_id, download_state_callback, NULL) != DOWNLOAD_ERROR_NONE)
		{
			dlog_print(DLOG_ERROR, LOG_TAG, "Error occurred when setting callback!");
			download_destroy(download_id);
			return false;
		}

		// When auto download is set to true, the download will be continued
		// even when the client process is terminated.
		if (download_set_auto_download(download_id, true) != DOWNLOAD_ERROR_NONE)
		{
			dlog_print(DLOG_ERROR, LOG_TAG, "Error occurred when setting auto download!");
			download_destroy(download_id);
			return false;
		}

		// Setting the notification to be displayed on each stage of download.
		if (download_set_notification_type(download_id, DOWNLOAD_NOTIFICATION_TYPE_ALL) != DOWNLOAD_ERROR_NONE)
		{
			dlog_print(DLOG_ERROR, LOG_TAG, "Error occurred when enabling all types of download notification!");
			download_destroy(download_id);
			return false;
		}
		if (download_start(download_id) != DOWNLOAD_ERROR_NONE)
		{
			dlog_print(DLOG_ERROR, LOG_TAG, "Error occurred when starting download!");
			download_destroy(download_id);
			return false;
		}
		else
		{
			dlog_print(DLOG_INFO, LOG_TAG, "Download started...");
		}
	}
	else
	{
		dlog_print(DLOG_ERROR, LOG_TAG, "Error occurred when creating download request!");
		return false;
	}
	return true;
}