"""
 mbed CMSIS-DAP debugger
 Copyright (c) 2006-2018 ARM Limited

 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.
"""

from .board import Board
from .board_ids import BOARD_ID_TO_INFO
import logging

log = logging.getLogger('mbed_board')

class MbedBoard(Board):
    """
    This class inherits from Board and is specific to mbed boards.
    Particularly, this class allows you to dynamically determine
    the type of all boards connected based on the id board
    """
    def __init__(self, session, target=None):
        """
        Init the board
        """
        target = session.options.get('target_override', target)
        unique_id = session.probe.unique_id
        try:
            board_id = unique_id[0:4]
            board_info = BOARD_ID_TO_INFO[board_id]
            self._name = board_info.name
            self.native_target = board_info.target
        except KeyError:
            board_info = None
            self._name = "Unknown Board"
            self.native_target = None

        # Unless overridden use the native target
        if target is None:
            target = self.native_target

        if target is None:
            log.warning("Board ID %s is not recognized; you will be able to use pyOCD but not program flash.", board_id)
            target = "cortex_m"

        super(MbedBoard, self).__init__(session, target)

        # Set test binary if not already set.
        if (board_info is not None) and (self._test_binary is None):
            self._test_binary = board_info.binary

    @property
    def name(self):
        """
        Return board name
        """
        return self._name

    @property
    def description(self):
        """
        Return info on the board
        """
        return self.name + " [" + self.target_type + "]"

