"""
Основные хэндлеры бота: старт, помощь, цены, навигация
"""
from aiogram import Router
from aiogram.filters import Command
from aiogram.types import Message, CallbackQuery
from aiogram.utils.keyboard import InlineKeyboardBuilder

from database import DatabaseManager
from config.settings import ADMIN_USER_ID


router = Router()


@router.message(Command("start"))
async def command_start_handler(message: Message, db: DatabaseManager = None) -> None:
    """Обработчик команды /start"""
    user_id = message.from_user.id
    username = message.from_user.username or "Unknown"
    first_name = message.from_user.first_name or ""
    last_name = message.from_user.last_name or ""
    
    # Проверяем и добавляем пользователя в базу
    if db:
        await db.add_user_if_not_exists(user_id, username, first_name, last_name)
    
    # Создаем клавиатуру
    builder = InlineKeyboardBuilder()
    builder.button(text="🔍 Decode VIN", callback_data="decode_vin")
    builder.button(text="🚗 Check VIN", callback_data="check_vin")
    builder.button(text="📸 Search Car Photo", callback_data="search_car_photo")
    builder.button(text="💰 Prices", callback_data="prices")
    builder.button(text="❓ Help", callback_data="help")
    
    # Добавляем админ кнопку для администратора
    if user_id == ADMIN_USER_ID:
        builder.button(text="📊 Admin Panel", callback_data="admin_stats")
    
    builder.adjust(1)
    
    welcome_text = (
        f"👋 Welcome to **SalvageDB Bot**, {first_name}!\n\n"
        "🚗 I can help you:\n"
        "• **Decode VIN** - Get basic vehicle information\n"
        "• **Check VIN** - Get detailed salvage and auction history\n"
        "• **Search Car Photos** - Find vehicle photos\n\n"
        "Choose an option below to get started:"
    )
    
    await message.answer(
        welcome_text,
        reply_markup=builder.as_markup(),
        parse_mode="Markdown"
    )


@router.callback_query(lambda c: c.data == "main_menu")
async def main_menu_callback(callback: CallbackQuery, db: DatabaseManager = None):
    """Возврат в главное меню"""
    user_id = callback.from_user.id
    first_name = callback.from_user.first_name or ""
    
    builder = InlineKeyboardBuilder()
    builder.button(text="🔍 Decode VIN", callback_data="decode_vin")
    builder.button(text="🚗 Check VIN", callback_data="check_vin")
    builder.button(text="📸 Search Car Photo", callback_data="search_car_photo")
    builder.button(text="💰 Prices", callback_data="prices")
    builder.button(text="❓ Help", callback_data="help")
    
    if user_id == ADMIN_USER_ID:
        builder.button(text="📊 Admin Panel", callback_data="admin_stats")
    
    builder.adjust(1)
    
    welcome_text = (
        f"👋 Welcome back, {first_name}!\n\n"
        "🚗 I can help you:\n"
        "• **Decode VIN** - Get basic vehicle information\n"
        "• **Check VIN** - Get detailed salvage and auction history\n"
        "• **Search Car Photos** - Find vehicle photos\n\n"
        "Choose an option below:"
    )
    
    await callback.message.edit_text(
        welcome_text,
        reply_markup=builder.as_markup(),
        parse_mode="Markdown"
    )
    await callback.answer()


@router.callback_query(lambda c: c.data == "help")
async def help_callback(callback: CallbackQuery, db: DatabaseManager = None):
    """Показ справки"""
    help_text = (
        "🆘 **SalvageDB Bot Help**\n\n"
        
        "**🔍 VIN Decode (Free)**\n"
        "Get basic vehicle information:\n"
        "• Make, Model, Year\n"
        "• Engine specifications\n"
        "• Basic vehicle data\n\n"
        
        "**🚗 VIN Check ($2.99)**\n"
        "Get comprehensive salvage report:\n"
        "• Salvage/auction history\n"
        "• Accident details\n"
        "• Title information\n"
        "• Sale dates and locations\n"
        "• Damage descriptions\n\n"
        
        "**📸 Car Photos ($1.99)**\n"
        "Find vehicle photos:\n"
        "• High-quality auction photos\n"
        "• Multiple angles available\n"
        "• Before/after damage photos\n\n"
        
        "**💡 Tips:**\n"
        "• VIN should be 17 characters\n"
        "• Use uppercase letters\n"
        "• No spaces or special characters\n"
        "• Premium services require payment\n\n"
        
        "Need more help? Contact support."
    )
    
    builder = InlineKeyboardBuilder()
    builder.button(text="🏠 Main Menu", callback_data="main_menu")
    
    await callback.message.edit_text(
        help_text,
        reply_markup=builder.as_markup(),
        parse_mode="Markdown"
    )
    await callback.answer()


@router.callback_query(lambda c: c.data == "prices")
async def prices_callback(callback: CallbackQuery, db: DatabaseManager = None):
    """Показ прайс-листа"""
    prices_text = (
        "💰 **SalvageDB Pricing**\n\n"
        
        "**🆓 Free Services:**\n"
        "• VIN Decode - Basic vehicle info\n\n"
        
        "**💳 Premium Services:**\n"
        
        "**🚗 VIN Check - $2.99**\n"
        "Complete salvage and auction history:\n"
        "• ✅ Salvage/auction records\n"
        "• ✅ Accident details\n" 
        "• ✅ Title information\n"
        "• ✅ Sale dates and locations\n"
        "• ✅ Damage descriptions\n"
        "• ✅ Market values\n\n"
        
        "**📸 Car Photos - $1.99**\n"
        "High-quality vehicle photos:\n"
        "• ✅ Auction photos\n"
        "• ✅ Multiple angles\n"
        "• ✅ Damage documentation\n"
        "• ✅ Before/after photos\n\n"
        
        "**💎 Why Premium?**\n"
        "• Professional data sources\n"
        "• Real-time updates\n"
        "• Comprehensive reports\n"
        "• Fast processing\n\n"
        
        "💳 **Payment:** We accept all major payment methods"
    )
    
    builder = InlineKeyboardBuilder()
    builder.button(text="🔍 Try VIN Decode (Free)", callback_data="decode_vin")
    builder.button(text="🚗 Get VIN Check ($2.99)", callback_data="check_vin")
    builder.button(text="📸 Find Photos ($1.99)", callback_data="search_car_photo")
    builder.button(text="🏠 Main Menu", callback_data="main_menu")
    builder.adjust(1)
    
    await callback.message.edit_text(
        prices_text,
        reply_markup=builder.as_markup(),
        parse_mode="Markdown"
    )
    await callback.answer()