# The MIT License (MIT)
#
# Copyright (c) 2019 Kevin J. Walters
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
"""
`adafruit_midi.system_exclusive`
================================================================================

System Exclusive MIDI message.


* Author(s): Kevin J. Walters

Implementation Notes
--------------------

"""

from .midi_message import MIDIMessage

__version__ = "0.0.0-auto.0"
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_MIDI.git"


class SystemExclusive(MIDIMessage):
    """System Exclusive MIDI message.

    :param list manufacturer_id: The single byte or three byte
        manufacturer's id as a list or bytearray of numbers between 0-127.
    :param list data: The 7bit data as a list or bytearray of numbers between 0-127.

    This message can only be parsed if it fits within the input buffer in :class:MIDI.
    """

    _STATUS = 0xF0
    _STATUSMASK = 0xFF
    LENGTH = -1
    ENDSTATUS = 0xF7

    def __init__(self, manufacturer_id, data):
        self.manufacturer_id = bytes(manufacturer_id)
        self.data = bytes(data)
        super().__init__()

    def __bytes__(self):
        return (
            bytes([self._STATUS])
            + self.manufacturer_id
            + self.data
            + bytes([self.ENDSTATUS])
        )

    @classmethod
    def from_bytes(cls, msg_bytes):
        # -1 on second arg is to avoid the ENDSTATUS which is passed
        if msg_bytes[1] != 0:  # pylint: disable=no-else-return
            return cls(msg_bytes[1:2], msg_bytes[2:-1])
        else:
            return cls(msg_bytes[1:4], msg_bytes[4:-1])


SystemExclusive.register_message_type()
