# This file is a part of Teflon.


class Format(object):
    pass


class Message(object):

    def __init__(self, contents: list):
        self.contents = contents
        self.server = None


class Cell(object):

    def __init__(self, content: str, args=None):
        self.content = content
        self.args = args or []

    def add_arg(self, arg):
        self.args.append(arg)


class Row(object):

    def __init__(self, cells=None):
        self._cells = cells or []

    def add_cell(self, cell: Cell):
        self._cells.append(cell)

    def get_cells(self) -> list:
        return self._cells


class TableFormat(Format):

    def __init__(self, rows: int, cols: int, rows_=None):
        self.rows = rows
        self.cols = cols
        self._rows = rows_ or []

    def add_row(self, row: Row):
        self._rows.append(row)

    def get_rows(self) -> list:
        return self._rows


class Text(object):

    def __init__(self, content, args=None):
        self.content = content
        self.args = args or []

    def add_arg(self, arg):
        self.args.append(arg)


class LineFormat(Format):

    def __init__(self, text=None):
        self.text = text or []

    def add_text(self, text):
        self.text.append(text)


class Content(object):

    def __init__(self, head: str = "", body: str = "", footer: str ="\n"):
        self.head = head
        # body is a list of Body joined with EOL
        self.body = body
        self.footer = footer


class Connection(object):

    """
    Common connection interface
    """
    def __init__(self, name: str):
        self.name = name
        self._notify_methods = []

    def set_notify_methods(self, methods: list):
        self._notify_methods = methods

    def get_notify_methods(self) -> list:
        return self._notify_methods

    def connect(self):
        raise NotImplementedError("Method should be overridden")

    def get_executor(self):
        raise NotImplementedError("Method should be overridden")

    def disconnect(self):
        raise NotImplementedError("Method should be overridden")