from aiogram import F
from aiogram.types import Message, CallbackQuery, InlineKeyboardMarkup, InlineKeyboardButton
from app import dp, ADMIN_ID
from auth import is_admin_msg
from keyboards import menu_kb


HELP_PAGES = [
    (
        "Overview",
        "ℹ️ **Help — Overview**\n\n"
        "🩺 *Health* — быстрый health-check.\n"
        "📊 *Статус* — общая загрузка.\n"
        "📋 */status_short* — кратко (load/RAM/диски).\n"
        "🩺 */health_short* — краткий health.\n"
        "🔧 Разделы: Docker, Backup, Artifacts, System, OpenWrt.",
    ),
    (
        "Alerts",
        "🚨 **Alerts & Mute**\n\n"
        "Команды:\n"
        "• `/alerts test <critical|warn|info>`\n"
        "• `/alerts mute <cat> <minutes>` / `/alerts unmute <cat>` / `/alerts list`\n"
        "• `/alerts recent [hours]`\n"
        "Шорткаты: `/alerts_list`, `/alerts_recent`, `/alerts_mute_load` (60м).\n"
        "Категории: load, disk, smart, ssl, docker, test.\n"
        "Quiet hours: `alerts.quiet_hours` для не‑критичных.\n"
        "Только красные load: `alerts.load_only_critical: true`.\n"
        "Валидатор конфига: `/config_check`.",
    ),
    (
        "Backup",
        "💾 **Backup (restic)**\n\n"
        "Кнопки: Status, Last snapshot, Repo stats, Run backup, Queue, Restic check, Weekly report.\n"
        "Run backup/Check учитывают `safety.dry_run`.\n"
        "После бэкапа приходит TL;DR + путь к логу `/var/log/backup-auto.log`.\n"
        "Queue → Details показывает отложенные задачи.",
    ),
    (
        "Docker & System",
        "🐳 **Docker**\n"
        "Status/Restart/Logs/Stats — клавиатура Docker.\n"
        "Команды: `/docker_status`, `/docker_health <alias>`.\n\n"
        "🖥 **System**\n"
        "Info: Disks/Security/Metrics/Hardware/SMART/OpenWrt.\n"
        "Ops: Updates/Upgrade/Reboot.\n"
        "Logs: Audit/Incidents/Security/Integrations/Processes.\n"
        "OpenWrt: `/openwrt`, `/openwrt_wan`, `/openwrt_clients`.",
    ),
    (
        "Admin",
        "🛠 **Admin & Deploy**\n\n"
        "Config: `/config_check`, файл `config.yaml` (см. config.example.yaml).\n"
        "Deploy: `deploy.sh` (ssh 10.10.10.10:1090 → git pull → systemctl restart tg-bot).\n"
        "Безопасность: `safety.dry_run: true` блокирует опасные действия.\n"
        "OpenWrt: кнопка в System → Info.",
    ),
]


def _help_kb(idx: int) -> InlineKeyboardMarkup:
    buttons = []
    if idx > 0:
        buttons.append(InlineKeyboardButton(text="◀️ Prev", callback_data=f"help:{idx-1}"))
    buttons.append(InlineKeyboardButton(text=f"{idx+1}/{len(HELP_PAGES)}", callback_data="help:noop"))
    if idx < len(HELP_PAGES) - 1:
        buttons.append(InlineKeyboardButton(text="Next ▶️", callback_data=f"help:{idx+1}"))
    return InlineKeyboardMarkup(inline_keyboard=[buttons])


def _help_text(idx: int) -> str:
    _title, body = HELP_PAGES[idx]
    return body


@dp.message(F.text.in_({"ℹ️ Help", "ℹ Help", "Help", "/help"}))
async def help_cmd(msg: Message):
    if not is_admin_msg(msg):
        return
    idx = 0
    await msg.answer(
        _help_text(idx),
        reply_markup=_help_kb(idx),
        parse_mode="Markdown",
    )


@dp.callback_query(F.data.startswith("help:"))
async def help_cb(cb: CallbackQuery):
    if cb.from_user.id != ADMIN_ID:
        await cb.answer()
        return
    payload = cb.data.split(":", 1)[1]
    if payload == "noop":
        await cb.answer()
        return
    try:
        idx = int(payload)
    except ValueError:
        await cb.answer()
        return
    idx = max(0, min(idx, len(HELP_PAGES) - 1))
    await cb.message.edit_text(
        _help_text(idx),
        reply_markup=_help_kb(idx),
        parse_mode="Markdown",
    )
    await cb.answer()