import sys
import os
import requests
import json
import logging

# Add company-explorer to path (parent of backend)
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "../..")))

from backend.database import SessionLocal, Persona, init_db
from backend.config import settings

# Setup Logging
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
logger = logging.getLogger(__name__)

NOTION_TOKEN_FILE = "/app/notion_token.txt"
# Sector & Persona Master DB
PERSONAS_DB_ID = "30588f42-8544-80c3-8919-e22d74d945ea"

VALID_ARCHETYPES = {
    "Wirtschaftlicher Entscheider",
    "Operativer Entscheider",
    "Infrastruktur-Verantwortlicher",
    "Innovations-Treiber",
    "Influencer"
}

def load_notion_token():
    try:
        with open(NOTION_TOKEN_FILE, "r") as f:
            return f.read().strip()
    except FileNotFoundError:
        logger.error(f"Notion token file not found at {NOTION_TOKEN_FILE}")
        sys.exit(1)

def query_notion_db(token, db_id):
    url = f"https://api.notion.com/v1/databases/{db_id}/query"
    headers = {
        "Authorization": f"Bearer {token}",
        "Notion-Version": "2022-06-28",
        "Content-Type": "application/json"
    }
    results = []
    has_more = True
    next_cursor = None
    
    while has_more:
        payload = {}
        if next_cursor:
            payload["start_cursor"] = next_cursor
            
        response = requests.post(url, headers=headers, json=payload)
        if response.status_code != 200:
            logger.error(f"Error querying Notion DB {db_id}: {response.text}")
            break
            
        data = response.json()
        results.extend(data.get("results", []))
        has_more = data.get("has_more", False)
        next_cursor = data.get("next_cursor")
        
    return results

def extract_title(prop):
    if not prop: return ""
    return "".join([t.get("plain_text", "") for t in prop.get("title", [])])

def extract_rich_text(prop):
    if not prop: return ""
    return "".join([t.get("plain_text", "") for t in prop.get("rich_text", [])])

def extract_rich_text_to_list(prop):
    """
    Extracts rich text and converts bullet points/newlines into a list of strings.
    """
    if not prop: return []
    full_text = "".join([t.get("plain_text", "") for t in prop.get("rich_text", [])])
    
    # Split by newline and clean up bullets
    lines = full_text.split('\n')
    cleaned_lines = []
    for line in lines:
        line = line.strip()
        if not line: continue
        if line.startswith("- "):
            line = line[2:]
        elif line.startswith("• "):
            line = line[2:]
        cleaned_lines.append(line)
        
    return cleaned_lines

def sync_personas(token, session):
    logger.info("Syncing Personas from Notion...")
    
    pages = query_notion_db(token, PERSONAS_DB_ID)
    count = 0
    
    for page in pages:
        props = page.get("properties", {})
        # The title property is 'Role' in the new DB, not 'Name'
        name = extract_title(props.get("Role"))
        
        if name not in VALID_ARCHETYPES:
            logger.debug(f"Skipping '{name}' (Not a target Archetype)")
            continue
            
        logger.info(f"Processing Persona: {name}")
        
        pains_list = extract_rich_text_to_list(props.get("Pains"))
        gains_list = extract_rich_text_to_list(props.get("Gains"))
        
        description = extract_rich_text(props.get("Rollenbeschreibung"))
        convincing_arguments = extract_rich_text(props.get("Was ihn überzeugt"))
        typical_positions = extract_rich_text(props.get("Typische Positionen"))
        kpis = extract_rich_text(props.get("KPIs"))
        
        # Upsert Logic
        persona = session.query(Persona).filter(Persona.name == name).first()
        if not persona:
            persona = Persona(name=name)
            session.add(persona)
            logger.info(f"  -> Creating new entry")
        else:
            logger.info(f"  -> Updating existing entry")
            
        persona.pains = json.dumps(pains_list, ensure_ascii=False)
        persona.gains = json.dumps(gains_list, ensure_ascii=False)
        persona.description = description
        persona.convincing_arguments = convincing_arguments
        persona.typical_positions = typical_positions
        persona.kpis = kpis
        
        count += 1
        
    session.commit()
    logger.info(f"Sync complete. Updated {count} personas.")

if __name__ == "__main__":
    token = load_notion_token()
    db = SessionLocal()
    
    try:
        sync_personas(token, db)
    except Exception as e:
        logger.error(f"Sync failed: {e}", exc_info=True)
    finally:
        db.close()