from flask import Blueprint, request, jsonify
import json

customizer_bp = Blueprint('customizer_api', __name__)

@customizer_bp.route('/api/customizer/get-blocks/<int:site_id>', methods=['GET'])
def get_blocks(site_id):
    """Retorna los bloques de un sitio"""
    import sqlite3
    from config import MAIN_DB
    
    conn = sqlite3.connect(MAIN_DB)
    c = conn.cursor()
    c.execute('SELECT content_json FROM sites WHERE id = ?', (site_id,))
    result = c.fetchone()
    conn.close()
    
    if not result or not result[0]:
        return jsonify([])
    
    try:
        content = json.loads(result[0])
        return jsonify(content.get('blocks', []))
    except:
        return jsonify([])