import requests
import json
import sys

def verify_api():
    url = "http://localhost:8000/infer/video"
    # Create a dummy video file for testing if one doesn't exist
    with open("sample_input.mp4", "wb") as f:
        f.write(b"dummy video content")

    try:
        files = {'file': open('sample_input.mp4', 'rb')}
        data = {'skill_level': 'intermediate'}
        
        print(f"Sending request to {url}...")
        response = requests.post(url, files=files, data=data)
        
        print(f"Status Code: {response.status_code}")
        if response.status_code == 200:
            print("Response validation successful!")
            try:
                json_resp = response.json()
                # strict validation check - keys must match our schema
                required_keys = ['frames', 'prediction', 'predictions', 'contact', 'ksi', 'coaching']
                missing = [k for k in required_keys if k not in json_resp]
                if missing:
                    print(f"❌ Missing keys in response: {missing}")
                    sys.exit(1)
                else:
                    print("✅ Response structure verified against required keys.")
                    print("Sample of response:")
                    print(json.dumps(json_resp, indent=2)[:500] + "...")
            except ValueError:
                print("❌ Response is not valid JSON")
                sys.exit(1)
        else:
            print(f"❌ Request failed with status {response.status_code}")
            print(response.text)
            # We expect a 500 here because our dummy video is invalid, but it proves the endpoint is reachable
            # and our error handling is working if it returns JSON
            if response.headers.get('content-type') == 'application/json':
                 print("✅ Error handling verified: Received JSON error response.")
            else:
                 print("❌ Error handling failed: Did not receive JSON error response.")

    except Exception as e:
        print(f"❌ Verification failed with exception: {e}")
    finally:
        files['file'].close()

if __name__ == "__main__":
    verify_api()