from flask import Flask, request, jsonify, send_from_directory
from youtube_scraper import get_youtube_info
from score_model     import score_fit

app = Flask(__name__, static_folder='.', static_url_path='')

@app.route('/')
def index():
    return send_from_directory('.', 'index.html')

# New endpoint: fetch only metadata once
@app.route('/api/meta', methods=['POST'])
def api_meta():
    data = request.get_json(force=True)
    url  = data['url']
    info = get_youtube_info(url)
    # Return just title & description
    return jsonify({
        "title":       info["title"],
        "description": info["description"]
    })

# Score endpoint now expects already-fetched title+description
@app.route('/api/score', methods=['POST'])
def api_score():
    data        = request.get_json(force=True)
    title       = data['title']
    description = data['description']
    goal        = data.get('goal','')
    combined    = f"{title} {description}"
    scores      = score_fit(combined, goal, method='raw')
    return jsonify({"scores": scores})

if __name__ == '__main__':
    app.run(debug=True)