import requests
from bs4 import BeautifulSoup
from sqlalchemy.orm import Session
from ..database import Program

BASE_URL = "https://podkasty.radiojazz.fm"

class JazzScraper:
    def __init__(self, db: Session, logger=print):
        self.db = db
        self.logger = logger
        
    def sync_programs(self):
        self.logger("JAZZ: Pobieranie audycji...")
        try:
            r = requests.get(BASE_URL, headers={"User-Agent": "Mozilla/5.0"}, timeout=15)
            r.raise_for_status()
            html = r.text
        except Exception as e:
            self.logger(f"JAZZ: Błąd pobierania bazy: {e}")
            return
            
        soup = BeautifulSoup(html, 'html.parser')
        links = soup.find_all('a', href=True)
        
        found = 0
        for link in links:
            href = link['href']
            if '/@' in href:
                slug = href.split('/@')[-1].split('/')[0]
                if not slug: continue
                    
                text = link.get_text(strip=True)
                if not text or text.startswith('@') or "Recent activity" in text:
                    continue
                    
                clean_title = text
                if clean_title.endswith(f"@{slug}"):
                    clean_title = clean_title[:-len(f"@{slug}")].strip()
                if clean_title.startswith("Ż "):
                    clean_title = clean_title[2:].strip()
                elif clean_title.startswith("Ż"):
                    clean_title = clean_title[1:].strip()
                    
                prog = self.db.query(Program).filter_by(station="jazz", slug=slug).first()
                if not prog:
                    self.db.add(Program(
                        station="jazz", slug=slug, name=clean_title, 
                        description="Radio Jazz FM", image=""
                    ))
                    found += 1
                    
        self.db.commit()
        self.logger(f"JAZZ: Znaleziono {found} nowych audycji (łącznie zaktualizowano).")

    def run_full_sync(self):
        self.sync_programs()