import urllib.request
import json
import ssl
import time

# Config from ak/config.uts
SUPA_URL = 'http://192.168.1.61:18000'
SUPA_KEY = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJyb2xlIjoiYW5vbiIsImlzcyI6InN1cGFiYXNlLTEiLCJpYXQiOjE3Njk2NzY0OTgsImV4cCI6MTkyNzM1NjQ5OH0.ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'

headers = {
    "apikey": SUPA_KEY,
    "Authorization": f"Bearer {SUPA_KEY}",
    "Content-Type": "application/json"
}

def get_data(table, query="select=*"):
    try:
        url = f"{SUPA_URL}/rest/v1/{table}?{query}"
        req = urllib.request.Request(url, headers=headers)
        context = ssl._create_unverified_context()
        try:
            with urllib.request.urlopen(req, context=context, timeout=5) as response:
                if response.status == 200:
                    return json.loads(response.read().decode())
                else:
                    return f"Error: {response.status}"
        except urllib.error.URLError as e:
            return f"Connection Failed: {e}"
    except Exception as e:
        return f"Exception: {e}"

print("--- DIAGNOSTIC START ---")

# Check ml_user_coupons structure
print("\n[ Checking ml_user_coupons Structure ]")
# limit=1 to get keys
data = get_data("ml_user_coupons", "limit=1")
if isinstance(data, list):
    if len(data) > 0:
        print("Columns found:", list(data[0].keys()))
    else:
        print("Table is empty, cannot infer columns from data.")
        # Try to insert a dummy record to provoke a schema error? No, that's risky.
        # Just print that it's empty.
else:
    print(f"Failed to fetch table: {data}")

# Check data types if possible (by value)
if isinstance(data, list) and len(data) > 0:
    sample = data[0]
    print("\nSample Data Types:")
    for k, v in sample.items():
        print(f"  {k}: {type(v)} ({v})")

print("\n--- DIAGNOSTIC END ---")