import time
import httpx
import asyncio
import json

async def run_tests():
    url = "http://127.0.0.1:8000"
    
    async with httpx.AsyncClient() as client:
        # Create test user for token
        try:
            await client.post(f"{url}/api/register", json={"username":"validator","password":"pwdtest123","confirmPassword":"pwdtest123"})
        except:
            pass
        
        res = await client.post(f"{url}/api/login", json={"username":"validator","password":"pwdtest123"})
        token = res.json().get("token", "")
        headers = {"Authorization": f"Bearer {token}"}
        
        print("=== TEST 1: Empty Query ===")
        t0 = time.perf_counter()
        r1 = await client.get(f"{url}/api/food/search?q=", headers=headers)
        t1 = time.perf_counter()
        print(f"Timing: {(t1-t0)*1000:.2f} ms")
        print(f"Payload snippet: {r1.text[:100]}")
        
        print("\n=== TEST 2: Single Letter ('c') ===")
        t0 = time.perf_counter()
        r2 = await client.get(f"{url}/api/food/search?q=c", headers=headers)
        t1 = time.perf_counter()
        print(f"Timing: {(t1-t0)*1000:.2f} ms")
        res2 = r2.json().get('results', [])
        print(f"Returned Items: {len(res2)}")
        if res2: 
            print(f"Expected Field Verification: {list(res2[0].keys())}")
        
        print("\n=== TEST 3: No Match ('xyzabcd') ===")
        t0 = time.perf_counter()
        r3 = await client.get(f"{url}/api/food/search?q=xyzabcd", headers=headers)
        t1 = time.perf_counter()
        print(f"Timing: {(t1-t0)*1000:.2f} ms")
        print(f"Response: {r3.json()}")

asyncio.run(run_tests())