import requests
import json
import time
import sys
import io

# Force UTF-8 encoding for standard output
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')

BASE_URL = "https://youmei295-planning-agent.hf.space"

def test_health_check():
    print("\n--- Testing /health endpoint ---")
    url = f"{BASE_URL}/health"
    try:
        response = requests.get(url, timeout=10)
        print(f"Status Code: {response.status_code}")
        if response.status_code == 200:
            print("[SUCCESS] Health check passed!")
            print("Response:", json.dumps(response.json(), indent=2, ensure_ascii=False))
        else:
            print("[ERROR] Health check failed!")
            print("Response:", response.text)
    except requests.exceptions.RequestException as e:
        print(f"[ERROR] Connection error: {e}")

def test_chat_fallback():
    print("\n--- Testing /api/plan (Chat/Fallback Intent) ---")
    url = f"{BASE_URL}/api/plan"
    headers = {"Content-Type": "application/json"}
    payload = {
        "message": "Xin chào"
    }
    
    try:
        response = requests.post(url, headers=headers, json=payload, timeout=60)
        print(f"Status Code: {response.status_code}")
        
        if response.status_code == 200:
            data = response.json()
            if data.get("status") == "chat":
                print("[SUCCESS] Chat fallback passed!")
                print("Agent Reply:", data.get("itinerary_markdown"))
            else:
                print("[ERROR] Unexpected status returned:", data.get("status"))
        else:
            print("[ERROR] Request failed!")
            print("Response:", response.text)
    except requests.exceptions.RequestException as e:
        print(f"[ERROR] Connection error: {e}")

def test_trip_planning():
    print("\n--- Testing /api/plan (Trip Planning Intent) ---")
    url = f"{BASE_URL}/api/plan"
    headers = {"Content-Type": "application/json"}
    # A clear query to trigger the planner
    payload = {
        "message": "Mình muốn đi chơi cuối tuần ở Bình Thạnh, ưu tiên quán cafe yên tĩnh và ăn đồ nướng.",
        "start_date": "2024-12-01",
        "num_days": 1
    }
    
    try:
        print("Waiting for Agent to process (this may take 10-30 seconds)...")
        start_time = time.time()
        response = requests.post(url, headers=headers, json=payload, timeout=120)
        elapsed_time = time.time() - start_time
        
        print(f"Status Code: {response.status_code}")
        print(f"Time taken: {elapsed_time:.2f} seconds")
        
        if response.status_code == 200:
            data = response.json()
            if data.get("status") == "success":
                print("[SUCCESS] Trip planning passed!")
                print(f"Total Cost: {data.get('total_cost')}")
                print(f"Timeline items: {len(data.get('timeline', []))}")
                
                print("\n=== FULL ITINERARY MARKDOWN ===")
                print(data.get("itinerary_markdown"))
                
                print("\n=== FULL TIMELINE ===")
                print(json.dumps(data.get("timeline"), indent=2, ensure_ascii=False))
            else:
                print("[ERROR] Unexpected status returned:", data.get("status"))
                print("Response:", json.dumps(data, indent=2, ensure_ascii=False))
        else:
            print("[ERROR] Request failed!")
            print("Response:", response.text)
    except requests.exceptions.RequestException as e:
        print(f"[ERROR] Connection error: {e}")

if __name__ == "__main__":
    print(f"Testing Agent Endpoint: {BASE_URL}")
    test_health_check()
    test_chat_fallback()
    test_trip_planning()
    print("\nDone!")