#!/usr/bin/env python3
"""
Простая версия: преобразование данных СПб порциями
"""

from urllib.parse import unquote
import psycopg2
from bs4 import BeautifulSoup
import re
import logging
from datetime import datetime

# Конфигурация БД
DB_CONFIG = {
    'host': "147.45.189.234",
    'port': 5432,
    'database': "default_db",
    'user': "gen_user",
    'password': unquote("2~~9_%5EkVsU%3F2%5CS")
}

# Логирование
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(levelname)s - %(message)s',
    handlers=[
        logging.FileHandler(f'spb_simple_{datetime.now().strftime("%Y%m%d_%H%M%S")}.log'),
        logging.StreamHandler()
    ]
)
logger = logging.getLogger(__name__)


def clean_html(html: str) -> str:
    """Очистка HTML"""
    soup = BeautifulSoup(html, 'html.parser')
    for tag in soup(['script', 'style', 'meta', 'link', 'noscript']):
        tag.decompose()
    text = soup.get_text(separator=' ', strip=True)
    text = re.sub(r'\s+', ' ', text)
    return text.strip()


def process_spb_in_batches():
    """Обрабатываем СПб порциями по 100 записей"""
    
    conn = psycopg2.connect(**DB_CONFIG)
    cur = conn.cursor()
    
    # Сначала получим общее количество
    cur.execute('''
        SELECT COUNT(*)
        FROM hotel_website_raw r
        JOIN hotel_main h ON h.id = r.hotel_id
        LEFT JOIN hotel_website_processed p ON p.hotel_id = r.hotel_id AND p.url = r.url
        WHERE h.region_name = 'г. Санкт-Петербург'
          AND p.hotel_id IS NULL
    ''')
    
    total_count = cur.fetchone()[0]
    logger.info(f"📊 Всего страниц для обработки: {total_count}")
    
    if total_count == 0:
        logger.info("✅ Нет данных для обработки")
        return
    
    processed = 0
    batch_size = 100
    
    while processed < total_count:
        # Получаем следующую порцию
        cur.execute('''
            SELECT 
                r.id as raw_id,
                r.hotel_id,
                r.url,
                r.html
            FROM hotel_website_raw r
            JOIN hotel_main h ON h.id = r.hotel_id
            LEFT JOIN hotel_website_processed p ON p.hotel_id = r.hotel_id AND p.url = r.url
            WHERE h.region_name = 'г. Санкт-Петербург'
              AND p.hotel_id IS NULL
            ORDER BY r.id
            LIMIT %s
        ''', (batch_size,))
        
        batch = cur.fetchall()
        
        if not batch:
            break
        
        logger.info(f"📦 Обрабатываю пачку: {len(batch)} страниц")
        
        # Обрабатываем пачку
        for raw_id, hotel_id, url, html in batch:
            try:
                cleaned_text = clean_html(html)
                text_length = len(cleaned_text)
                
                # Вставляем в processed
                cur.execute("""
                    INSERT INTO hotel_website_processed 
                    (raw_page_id, hotel_id, url, cleaned_text, text_length, processed_at)
                    VALUES (%s, %s, %s, %s, %s, NOW())
                    ON CONFLICT (hotel_id, url) DO UPDATE SET
                        cleaned_text = EXCLUDED.cleaned_text,
                        text_length = EXCLUDED.text_length,
                        processed_at = EXCLUDED.processed_at
                """, (raw_id, hotel_id, url, cleaned_text, text_length))
                
                processed += 1
                
            except Exception as e:
                logger.error(f"❌ Ошибка: {e}")
                continue
        
        # Коммитим пачку
        conn.commit()
        logger.info(f"✅ Обработано: {processed}/{total_count} ({processed/total_count*100:.1f}%)")
    
    # Финальная статистика
    cur.execute('''
        SELECT COUNT(DISTINCT p.hotel_id)
        FROM hotel_website_processed p
        JOIN hotel_main h ON h.id = p.hotel_id
        WHERE h.region_name = 'г. Санкт-Петербург'
    ''')
    
    processed_hotels = cur.fetchone()[0]
    logger.info(f"🎉 ЗАВЕРШЕНО! Отелей СПб в processed: {processed_hotels}")
    
    cur.close()
    conn.close()


if __name__ == "__main__":
    process_spb_in_batches()