"""
Per-Show Setlist Importer
Fetches setlist for each show individually
"""
import requests
from sqlmodel import Session, select
from database import engine
from models import Show, Song, Performance

BASE_URL = "https://elgoose.net/api/v2"

def fetch_show_setlist(api_show_id):
    """Fetch setlist for a specific show"""
    url = f"{BASE_URL}/setlists/showid/{api_show_id}.json"
    try:
        response = requests.get(url, timeout=30)
        response.raise_for_status()
        data = response.json()
        if data.get('error') == 1:
            return None
        return data.get('data', [])
    except Exception as e:
        return None

def main():
    print("PER-SHOW SETLIST IMPORTER")
    print("=" * 40)
    
    with Session(engine) as session:
        # Get all shows
        shows = session.exec(select(Show)).all()
        print(f"Found {len(shows)} shows in database")
        
        # Build song map by title
        songs = session.exec(select(Song)).all()
        song_map = {s.title.lower(): s.id for s in songs}
        print(f"Mapped {len(song_map)} songs")
        
        # Get existing performances
        print("Loading existing performances...")
        existing_map = {} # (show_id, song_id, position) -> Performance Object
        perfs = session.exec(select(Performance)).all()
        for p in perfs:
            existing_map[(p.show_id, p.song_id, p.position)] = p
        print(f"Found {len(existing_map)} existing performances")
        
        # We need API show IDs. The ElGoose API shows endpoint returns show_id.
        # Let's fetch and correlate by date
        print("Fetching API shows to get API IDs...")
        api_shows = {}  # date_str -> api_show_id
        
        page = 1
        seen_ids = set()
        while True:
            url = f"{BASE_URL}/shows.json"
            try:
                resp = requests.get(url, params={"page": page}, timeout=30)
                data = resp.json().get('data', [])
                if not data:
                    break
                
                # Loop detection
                first_id = data[0].get('show_id') if data else None
                if first_id in seen_ids:
                    print(f"  Loop detected at page {page}")
                    break
                if first_id:
                    seen_ids.add(first_id)
                
                for s in data:
                    # CRITICAL: Only include Goose shows
                    if s.get('artist') != 'Goose':
                        continue
                    date_str = s['showdate']
                    api_shows[date_str] = s['show_id']
                page += 1
            except Exception as e:
                print(f"  Error on page {page}: {e}")
                break
        
        print(f"Got {len(api_shows)} API show IDs")
        
        # Now import setlists for each show
        total_added = 0
        total_updated = 0
        processed = 0
        
        for show in shows:
            date_str = show.date.strftime('%Y-%m-%d')
            api_show_id = api_shows.get(date_str)
            
            if not api_show_id:
                continue
            
            # REMOVED: Skipping logic. We verify everything.
            # existing_for_show = ...
            
            # Fetch setlist
            setlist = fetch_show_setlist(api_show_id)
            if not setlist:
                continue
            
            added = 0
            updated = 0
            
            for item in setlist:
                song_title = item.get('songname', '').lower()
                song_id = song_map.get(song_title)
                
                if not song_id:
                    continue
                
                position = item.get('position', 0)
                key = (show.id, song_id, position)
                
                # Resolve set name
                set_val = str(item.get('setnumber', '1'))
                if set_val.isdigit():
                    set_name = f"Set {set_val}"
                elif set_val.lower() == 'e':
                    set_name = "Encore"
                elif set_val.lower() == 'e2':
                    set_name = "Encore 2"
                elif set_val.lower() == 's':
                    set_name = "Soundcheck"
                else:
                    set_name = f"Set {set_val}"
                
                if key in existing_map:
                    # Update Check
                    perf = existing_map[key]
                    if not perf.set_name or perf.set_name != set_name:
                        perf.set_name = set_name
                        session.add(perf)
                        updated += 1
                        total_updated += 1
                    continue
                
                # Create New
                perf = Performance(
                    show_id=show.id,
                    song_id=song_id,
                    position=position,
                    set_name=set_name,
                    segue=bool(item.get('segue', 0)),
                    notes=item.get('footnote')
                )
                session.add(perf)
                existing_map[key] = perf # Add to map to prevent dupes in same run
                added += 1
                total_added += 1
            
            if added > 0 or updated > 0:
                session.commit()
                processed += 1
                print(f"Show {date_str}: +{added} new, ~{updated} updated")

        print(f"\nImport Complete! Added: {total_added}, Updated: {total_updated}")

if __name__ == "__main__":
    main()