import os
import time
import json
import requests
from pathlib import Path

API_URL = os.environ.get("API_URL", "http://127.0.0.1:8000")

ROOT = Path(__file__).resolve().parents[1]
IMG1 = ROOT / "image-test1.jpg"
IMG2 = ROOT / "image-test2.jpg"
AUDIO1 = ROOT / "test-audio1.wav"


def wait_for_health(timeout=60):
    url = f"{API_URL}/health"
    start = time.time()
    while time.time() - start < timeout:
        try:
            r = requests.get(url, timeout=3)
            if r.status_code == 200:
                return True
        except Exception:
            pass
        time.sleep(1)
    return False


def pretty(obj):
    try:
        return json.dumps(obj, indent=2, ensure_ascii=False)
    except Exception:
        return str(obj)


def post_json(path, payload):
    url = f"{API_URL}{path}"
    r = requests.post(url, json=payload, timeout=180)
    try:
        return r.status_code, r.json()
    except Exception:
        return r.status_code, {"text": r.text}


def post_form(path, data, files):
    url = f"{API_URL}{path}"
    r = requests.post(url, data=data, files=files, timeout=300)
    try:
        return r.status_code, r.json()
    except Exception:
        return r.status_code, {"text": r.text}


def test_unified_text():
    payload = {
        "message": "Patient with rash and fever for 2 days.",
        "message_type": "text",
    }
    return post_json("/api/chat/unified", payload)


def test_unified_image(path: Path):
    payload = {
        "message": str(path),  # local path supported by server (converted to data URL)
        "message_type": "image",
    }
    return post_json("/api/chat/unified", payload)


def test_unified_audio(path: Path):
    payload = {
        "message": str(path),  # local path supported by server
        "message_type": "audio",
    }
    return post_json("/api/chat/unified", payload)


def test_form(text: str | None = None, images: list[Path] | None = None, audios: list[Path] | None = None):
    data = {}
    if text is not None:
        data["text"] = text
    data["want_stats"] = "true"
    files = []
    for img in images or []:
        mime = "image/jpeg" if img.suffix.lower() in {".jpg", ".jpeg"} else "image/png"
        files.append(("images", (img.name, open(img, "rb"), mime)))
    for au in audios or []:
        files.append(("audios", (au.name, open(au, "rb"), "audio/wav")))
    try:
        return post_form("/api/ai/form", data, files)
    finally:
        # Close any file handles we opened
        for _, (name, fh, _mime) in files:
            try:
                fh.close()
            except Exception:
                pass


def main():
    print(f"API_URL: {API_URL}")
    # Validate media presence
    missing = [p for p in [IMG1, IMG2, AUDIO1] if not p.exists()]
    if missing:
        print("Missing local files:", ", ".join(map(str, missing)))
        return 2

    print("Waiting for API /health ...")
    if not wait_for_health(timeout=90):
        print("Server not ready within timeout.")
        return 3

    results = []

    print("\n=== Unified - TEXT only ===")
    results.append(("unified_text",) + test_unified_text())

    print("\n=== Unified - IMAGE only (image-test1.jpg) ===")
    results.append(("unified_image_img1",) + test_unified_image(IMG1))

    print("\n=== Unified - IMAGE only (image-test2.jpg) ===")
    results.append(("unified_image_img2",) + test_unified_image(IMG2))

    print("\n=== Unified - AUDIO only (test-audio1.wav) ===")
    results.append(("unified_audio_audio1",) + test_unified_audio(AUDIO1))

    print("\n=== Form - TEXT + IMAGE (img1) ===")
    results.append(("form_text_img1",) + test_form(
        text="Patient with rash and fever for 2 days.", images=[IMG1], audios=[]
    ))

    print("\n=== Form - TEXT + AUDIO (audio1) ===")
    results.append(("form_text_audio1",) + test_form(
        text="Patient with cough and sore throat.", images=[], audios=[AUDIO1]
    ))

    print("\n=== Form - TEXT + IMAGES (img1, img2) + AUDIO (audio1) ===")
    results.append(("form_text_imgs_audio",) + test_form(
        text="Patient with rash, fever and mild headache.", images=[IMG1, IMG2], audios=[AUDIO1]
    ))

    # Print a compact summary at the end
    print("\n==== SUMMARY ====")
    for label, status, payload in results:
        status_str = "OK" if status == 200 else f"ERR({status})"
        print(f"- {label}: {status_str}")

    # Optionally dump detailed JSON for failures
    failures = [(l, s, p) for (l, s, p) in results if s != 200]
    if failures:
        print("\n==== FAILURES (detailed) ====")
        for label, status, payload in failures:
            print(f"\n## {label} -> HTTP {status}")
            print(pretty(payload))
    else:
        print("\nAll tests returned HTTP 200.")

    return 0


if __name__ == "__main__":
    raise SystemExit(main())