# modes/decrypt.py
from __future__ import annotations

from typing import Dict, Any, List


class DecryptMode:
    def run(
        self,
        *,
        c: int | List[int],
        n: int,
        d: int,
    ) -> Dict[str, Any]:
        # Один блок
        if isinstance(c, int):
            plain = pow(c, d, n)  # Дешифратор
            char = chr(plain) if 0 <= plain < 128 else None
            return {
                "mode": "int",
                "input": {
                    "cipher": c,
                    "hex_in": hex(c),
                },
                "output": {
                    "ascii": plain,
                    "char": char,
                    "hex_out": hex(plain),
                },
            }

        # Несколько блоков (список чисел)
        if isinstance(c, list):
            result: List[Dict[str, Any]] = []
            text = ""
            for block in c:
                plain = pow(block, d, n)  # Дешифратор
                char = chr(plain) if 0 <= plain < 128 else None
                if char:
                    text += char
                result.append({
                    "cipher": block,
                    "hex_in": hex(block),
                    "ascii": plain,
                    "char": char,
                    "hex_out": hex(plain),
                })
            return {
                "mode": "list",
                "input": c,
                "output": result,
                "text": text,
            }

        raise ValueError("c должен быть числом или списком чисел")