# [MODULE_PATH] superset_tool.utils.whiptail_fallback
# [FILE] whiptail_fallback.py
# [SEMANTICS] ui, fallback, console, utils, non‑interactive

# --------------------------------------------------------------
# [IMPORTS]
# --------------------------------------------------------------
import sys
from typing import List, Tuple, Optional, Any
# [END_IMPORTS]

# --------------------------------------------------------------
# [ENTITY: Service('ConsoleUI')]
# --------------------------------------------------------------
"""
:purpose: Плотный консольный UI‑fallback для всех функций,
          которые в оригинальном проекте использовали ``whiptail``.
          Всё взаимодействие теперь **не‑интерактивно**: функции,
          выводящие сообщение, просто печатают его без ожидания
          ``Enter``.
"""

def menu(
    title: str,
    prompt: str,
    choices: List[str],
    backtitle: str = "Superset Migration Tool",
) -> Tuple[int, Optional[str]]:
    """Return (rc, selected item). rc == 0 → OK."""
    print(f"\n=== {title} ===")
    print(prompt)
    for idx, item in enumerate(choices, 1):
        print(f"{idx}) {item}")

    try:
        raw = input("\nВведите номер (0 – отмена): ").strip()
        sel = int(raw)
        if sel == 0:
            return 1, None
        return 0, choices[sel - 1]
    except Exception:
        return 1, None


def checklist(
    title: str,
    prompt: str,
    options: List[Tuple[str, str]],
    backtitle: str = "Superset Migration Tool",
) -> Tuple[int, List[str]]:
    """Return (rc, list of selected **values**)."""
    print(f"\n=== {title} ===")
    print(prompt)
    for idx, (val, label) in enumerate(options, 1):
        print(f"{idx}) [{val}] {label}")

    raw = input("\nВведите номера через запятую (пустой ввод → отказ): ").strip()
    if not raw:
        return 1, []

    try:
        indices = {int(x) for x in raw.split(",") if x.strip()}
        selected = [options[i - 1][0] for i in indices if 0 < i <= len(options)]
        return 0, selected
    except Exception:
        return 1, []


def yesno(
    title: str,
    question: str,
    backtitle: str = "Superset Migration Tool",
) -> bool:
    """True → пользователь ответил «да». """
    ans = input(f"\n=== {title} ===\n{question} (y/n): ").strip().lower()
    return ans in ("y", "yes", "да", "д")


def msgbox(
    title: str,
    msg: str,
    width: int = 60,
    height: int = 15,
    backtitle: str = "Superset Migration Tool",
) -> None:
    """Простой вывод сообщения – без ожидания Enter."""
    print(f"\n=== {title} ===\n{msg}\n")
    # **Убрано:** input("Нажмите <Enter> для продолжения...")


def inputbox(
    title: str,
    prompt: str,
    backtitle: str = "Superset Migration Tool",
) -> Tuple[int, Optional[str]]:
    """Return (rc, введённая строка). rc == 0 → успешно."""
    print(f"\n=== {title} ===")
    val = input(f"{prompt}\n")
    if val == "":
        return 1, None
    return 0, val


# --------------------------------------------------------------
# [ENTITY: Service('ConsoleGauge')]
# --------------------------------------------------------------
"""
:purpose: Минимальная имитация ``whiptail``‑gauge в консоли.
"""

class _ConsoleGauge:
    """Контекст‑менеджер для простого прогресс‑бара."""
    def __init__(self, title: str, width: int = 60, height: int = 10):
        self.title = title
        self.width = width
        self.height = height
        self._percent = 0

    def __enter__(self):
        print(f"\n=== {self.title} ===")
        return self

    def __exit__(self, exc_type, exc_val, exc_tb):
        sys.stdout.write("\n")
        sys.stdout.flush()

    def set_text(self, txt: str) -> None:
        sys.stdout.write(f"\r{txt} ")
        sys.stdout.flush()

    def set_percent(self, percent: int) -> None:
        self._percent = percent
        sys.stdout.write(f"{percent}%")
        sys.stdout.flush()
# [END_ENTITY]

def gauge(
    title: str,
    width: int = 60,
    height: int = 10,
) -> Any:
    """Always returns the console fallback gauge."""
    return _ConsoleGauge(title, width, height)
# [END_ENTITY]

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# [END_FILE whiptail_fallback.py]
# --------------------------------------------------------------