from aiogram.types import InlineKeyboardButton
from aiogram.utils.keyboard import InlineKeyboardBuilder

def get_start_kb():
    builder = InlineKeyboardBuilder()
    builder.row(InlineKeyboardButton(text="✅ Подписаться", callback_data="subscribe"))
    builder.row(InlineKeyboardButton(text="📄 Читать оферту", url="https://telegra.ph/..."))
    return builder.as_markup()

def get_profile_edit_kb():
    builder = InlineKeyboardBuilder()
    builder.row(InlineKeyboardButton(text="📝 Редактировать профиль", callback_data="subscribe"))
    return builder.as_markup()

def get_spheres_kb():
    builder = InlineKeyboardBuilder()
    spheres = ["Backend", "Frontend", "Mobile", "DevOps", "Design", "QA"]
    for sphere in spheres:
        builder.add(InlineKeyboardButton(text=sphere, callback_data=f"sphere_{sphere}"))
    builder.row(InlineKeyboardButton(text="⌨️ Свой вариант", callback_data="sphere_other"))
    builder.adjust(2)
    return builder.as_markup()

def get_skip_kb():
    builder = InlineKeyboardBuilder()
    builder.row(InlineKeyboardButton(text="⏩ Пропустить", callback_data="skip_preferences"))
    return builder.as_markup()

def get_pagination_kb(page: int):
    builder = InlineKeyboardBuilder()
    
    buttons = []
    if page > 1:
        buttons.append(InlineKeyboardButton(text="⬅️ Назад", callback_data=f"browse_{page-1}"))
    
    buttons.append(InlineKeyboardButton(text=f"📄 Стр. {page}", callback_data="ignore"))
    
    buttons.append(InlineKeyboardButton(text="Вперед ➡️", callback_data=f"browse_{page+1}"))
    
    builder.row(*buttons)
    return builder.as_markup()