"""Add cascade delete logic for product deletion"""
import sys, json
sys.path.insert(0, '.')
from services.db import query

# Check tables
tables = ['bom', 'planning_prediction', 'daily_forecast']
results = {}
for t in tables:
    try:
        cols = query(f"SHOW COLUMNS FROM {t}")
        results[t] = [c['Field'] for c in cols]
    except Exception as e:
        results[t] = f"ERROR: {e}"

# Load current products.py and find the delete route
with open('routes/products.py') as f:
    content = f.read()

# Find product_delete function  
idx = content.find('def product_delete()')
end_idx = content.find('\n@products_bp.route', idx)
if end_idx == -1:
    end_idx = len(content)
delete_func = content[idx:end_idx]

results['delete_route_location'] = idx
results['delete_func'] = delete_func[:200]

with open('/tmp/fix_cascade_result.json', 'w') as f:
    json.dump(results, f, ensure_ascii=False, indent=2)
print(f"Done. Found delete route at position {idx}")