from dataclasses import dataclass


@dataclass(frozen=True)
class KindMap:
    id_: str

    def __str__(self) -> str:
        return self.id_


@dataclass(frozen=True)
class X32KindMap(KindMap):
    num_dca: int = 8
    num_strip: int = 32
    num_bus: int = 16
    num_fx: int = 8
    num_auxrtn: int = 8
    num_matrix: int = 6
    num_headamp: int = 127


@dataclass(frozen=True)
class XR18KindMap(KindMap):
    # note ch 17-18 defined as aux return
    num_dca: int = 4
    num_strip: int = 16
    num_bus: int = 6
    num_fx: int = 4


@dataclass(frozen=True)
class XR16KindMap(KindMap):
    num_dca: int = 4
    num_strip: int = 16
    num_bus: int = 4
    num_fx: int = 4


@dataclass(frozen=True)
class XR12KindMap(KindMap):
    num_dca: int = 4
    num_strip: int = 12
    num_bus: int = 2
    num_fx: int = 4


_kinds = {
    'X32': X32KindMap(id_='X32'),
    'MR18': XR18KindMap(id_='MR18'),
    'XR18': XR18KindMap(id_='XR18'),
    'XR16': XR16KindMap(id_='XR16'),
    'XR12': XR12KindMap(id_='XR12'),
}


def get(kind_id):
    return _kinds[kind_id]


all = list(_kinds.values())