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upapa
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import math

from typing import Any, Callable, Mapping

DEFAULT_INT = ("INT", {"default": 0})

INT_UNARY_OPERATIONS: Mapping[str, Callable[[int], int]] = {
    "Abs": lambda a: abs(a),
    "Neg": lambda a: -a,
    "Inc": lambda a: a + 1,
    "Dec": lambda a: a - 1,
    "Sqr": lambda a: a * a,
    "Cube": lambda a: a * a * a,
    "Not": lambda a: ~a,
    "Factorial": lambda a: math.factorial(a),
}

INT_UNARY_CONDITIONS: Mapping[str, Callable[[int], bool]] = {
    "IsZero": lambda a: a == 0,
    "IsNonZero": lambda a: a != 0,
    "IsPositive": lambda a: a > 0,
    "IsNegative": lambda a: a < 0,
    "IsEven": lambda a: a % 2 == 0,
    "IsOdd": lambda a: a % 2 == 1,
}

INT_BINARY_OPERATIONS: Mapping[str, Callable[[int, int], int]] = {
    "Add": lambda a, b: a + b,
    "Sub": lambda a, b: a - b,
    "Mul": lambda a, b: a * b,
    "Div": lambda a, b: a // b,
    "Mod": lambda a, b: a % b,
    "Pow": lambda a, b: a**b,
    "And": lambda a, b: a & b,
    "Nand": lambda a, b: ~a & b,
    "Or": lambda a, b: a | b,
    "Nor": lambda a, b: ~a & b,
    "Xor": lambda a, b: a ^ b,
    "Xnor": lambda a, b: ~a ^ b,
    "Shl": lambda a, b: a << b,
    "Shr": lambda a, b: a >> b,
    "Max": lambda a, b: max(a, b),
    "Min": lambda a, b: min(a, b),
}

INT_BINARY_CONDITIONS: Mapping[str, Callable[[int, int], bool]] = {
    "Eq": lambda a, b: a == b,
    "Neq": lambda a, b: a != b,
    "Gt": lambda a, b: a > b,
    "Lt": lambda a, b: a < b,
    "Geq": lambda a, b: a >= b,
    "Leq": lambda a, b: a <= b,
}


class IntUnaryOperation:
    @classmethod
    def INPUT_TYPES(cls) -> Mapping[str, Any]:
        return {
            "required": {"op": (list(INT_UNARY_OPERATIONS.keys()),), "a": DEFAULT_INT}
        }

    RETURN_TYPES = ("INT",)
    FUNCTION = "op"
    CATEGORY = "math/int"

    def op(self, op: str, a: int) -> tuple[int]:
        return (INT_UNARY_OPERATIONS[op](a),)


class IntUnaryCondition:
    @classmethod
    def INPUT_TYPES(cls) -> Mapping[str, Any]:
        return {
            "required": {"op": (list(INT_UNARY_CONDITIONS.keys()),), "a": DEFAULT_INT}
        }

    RETURN_TYPES = ("BOOL",)
    FUNCTION = "op"
    CATEGORY = "math/int"

    def op(self, op: str, a: int) -> tuple[bool]:
        return (INT_UNARY_CONDITIONS[op](a),)


class IntBinaryOperation:
    @classmethod
    def INPUT_TYPES(cls) -> Mapping[str, Any]:
        return {
            "required": {
                "op": (list(INT_BINARY_OPERATIONS.keys()),),
                "a": DEFAULT_INT,
                "b": DEFAULT_INT,
            }
        }

    RETURN_TYPES = ("INT",)
    FUNCTION = "op"
    CATEGORY = "math/int"

    def op(self, op: str, a: int, b: int) -> tuple[int]:
        return (INT_BINARY_OPERATIONS[op](a, b),)


class IntBinaryCondition:
    @classmethod
    def INPUT_TYPES(cls) -> Mapping[str, Any]:
        return {
            "required": {
                "op": (list(INT_BINARY_CONDITIONS.keys()),),
                "a": DEFAULT_INT,
                "b": DEFAULT_INT,
            }
        }

    RETURN_TYPES = ("BOOL",)
    FUNCTION = "op"
    CATEGORY = "math/int"

    def op(self, op: str, a: int, b: int) -> tuple[bool]:
        return (INT_BINARY_CONDITIONS[op](a, b),)


NODE_CLASS_MAPPINGS = {
    "CM_IntUnaryOperation": IntUnaryOperation,
    "CM_IntUnaryCondition": IntUnaryCondition,
    "CM_IntBinaryOperation": IntBinaryOperation,
    "CM_IntBinaryCondition": IntBinaryCondition,
}