public class App {

    final static private Logger LOGGER = LoggerFactory.getILoggerFactory().getLogger("requests");

    public static void main(String[] args) {
        secure("src/main/resources/keystore.jks", "password", null, null);
        //folders
        final String LIST_FOLDER_CONTENT = "/folders/:path/list_folder_content";
        final String FOLDER_GET_META_DATA = "/folders/:path/get_metadata";
        final String FOLDER_DELETE = "/folders/:path/delete";
        final String FOLDER_MOVE = "/folders/:path/move";
        final String CREATE_DIRECTORY = "/folders/:path/create_directory";

        //files
        final String FILE_GET_METADATA = "/files/:path/get_metadata";
        final String FILE_DELETE = "/files/:path/delete";
        final String FILE_MOVE = "/files/:path/move";
        final String FILE_RENAME = "/files/:path/rename";
        final String FILE_DOWNLOAD = "/files/:path/download";
        final String FILE_UPLOAD = "/files/:path/upload";

        //users
        final String CREATE_USER = "/users/:user/create_user";
        final String ACCESS = "/users/access";
        final String USER_DELETE = "/users/delete";
        final String LOG_OUT = "/users/log_out";

        final String DB_URL = "jdbc:sqlite:test.db";

        Connection connection = null;
        try {
            connection = DriverManager.getConnection(DB_URL);
        } catch (SQLException e) {
            e.printStackTrace();
        }
        Configuration configuration = new DefaultConfiguration().set(connection).set(SQLDialect.SQLITE);

        final Gson gson = new Gson();
        final ResponseTransformer json = gson::toJson;

        final FolderController folderController = new FolderController(new FolderMetadataDao(configuration), new FileMetadataDao(configuration), new FileContentsDao(configuration), new SessionDataDao(configuration), configuration);
        final FileController fileController = new FileController(new FileMetadataDao(configuration), new FileContentsDao(configuration), new SessionDataDao(configuration), new FolderMetadataDao(configuration), configuration);
        final UserController userController = new UserController(new UsersDao(configuration), new FolderMetadataDao(configuration), new SessionDataDao(configuration), configuration);

        port(4567);

        before("/*/", (req, res) -> {
            info(req);
        });

        //folders
        put(CREATE_DIRECTORY, (request, response) -> {
            return folderController.handleCreateNewFolder(setRequest(request, configuration), response);
        }, json);

        put(FOLDER_MOVE, (request, response) -> {
            return folderController.handleMoveFolder(setRequest(request, configuration),response);
        }, json);

        get(FOLDER_GET_META_DATA, (request, response) -> {
            return folderController.handleGetMetadata(setRequest(request, configuration),response);
        }, json);

        get(LIST_FOLDER_CONTENT, (request, response) -> {
            return folderController.handleListFolderContent(setRequest(request, configuration),response);
        }, json);

        delete(FOLDER_DELETE, (request, response) -> {
            folderController.handleDeleteFolder(setRequest(request, configuration), response);
            return "Folder deleted";
        }, json);

        //files
        post(FILE_UPLOAD, (request, response) -> {
            return fileController.handleUpload(setRequest(request, configuration),response);
        }, json);

        get(FILE_DOWNLOAD, (request, response) -> {
            return fileController.handleDownload(setRequest(request, configuration),response);
        }, json);

        get(FILE_GET_METADATA, (request, response) -> {
            return fileController.handleGetMetadata(setRequest(request, configuration),response);
        }, json);

        put(FILE_MOVE, (request, response) -> {
            return fileController.handleMove(setRequest(request, configuration), response);
        }, json);

        put(FILE_RENAME, (request, response) -> {
            return fileController.handleRename(setRequest(request, configuration), response);
        }, json);

        delete(FILE_DELETE, (request, response) -> {
            fileController.handleDelete(setRequest(request, configuration), response);
            return "File deleted";
        }, json);

        //users
        post(CREATE_USER, (request, response) -> {
            userController.handleCreateUser(request,response);
            return "User created";
        }, json);

        get(ACCESS, (request, response) -> {
            return userController.handleAccess(request,response);
        }, json);

        delete(USER_DELETE, (request, response) -> {
            userController.handleDelete(request,response);
            return "User deleted";
        }, json);

        post(LOG_OUT, (request, response) -> {
            userController.handleLogOut(request,response);
            return "Logged out";
        }, json);

        exception(ParameterFormatException.class,(ex,request,response) -> {
            response.status(403);
            response.body(gson.toJson(new ParameterFormatError(request.params())));
        });

        exception(FileAlreadyExists.class,(ex,request,response) -> {
            response.status(409);
            response.body(gson.toJson(ex));
        });

        exception(UserAlreadyExists.class,(ex,request,response) -> {
            response.status(409);
            response.body(gson.toJson(ex));
        });

        exception(FileDoesNotExist.class,(ex, request, response) -> {
            response.status(404);
            response.body(gson.toJson(ex));
        });

        exception(UnsuccessfulAuthorization.class,(ex, request, response) -> {
            response.status(401);
            response.body(gson.toJson(ex));
        });

        exception(UserDoesNotExist.class,(ex, request, response) -> {
            response.status(404);
            response.body(gson.toJson(ex));
        });

        exception(WrongPathFormat.class,(ex,request,response) -> {
            response.status(403);
            response.body(gson.toJson(ex));
        });

        exception(JSONException.class, (ex,request,response) -> {
            response.status(403);
            response.body(gson.toJson(ex));
        });

    }

    private static void info(Request req) {
        LOGGER.info("{}", req);
    }

    private static Request setRequest(Request request, Configuration configuration){
        Integer userId = new SessionDataDao(configuration).fetchBySessionId(request.cookie("session")).get(0).getUserId();
        String userName = new UsersDao(configuration).fetchOneById(userId).getUserName();
        String oldPath = request.params(":path");
        String newPath = request.queryParams("new_path");
        if(!(newPath == null)){
            request.attribute("newPath", "/"+userName+newPath);
        }
        request.attribute("path", "/"+userName+oldPath);
        return request;
    }

}