# exo 5
import asyncio
import time

SERVICES = [
    {"nom": "base de données", "delai": 0.3},
    {"nom": "cache Redis",     "delai": 0.1},
    {"nom": "API externe",     "delai": 3.5},
    {"nom": "serveur mail",    "delai": 0.8},
    {"nom": "CDN",             "delai": 1.5},
]
TIMEOUT = 2.0

async def check(service):
    nom, delai = service["nom"], service["delai"]
    debut = time.time()
    try:
        await asyncio.wait_for(asyncio.sleep(delai), timeout=TIMEOUT)
        return nom, True, time.time() - debut
    except asyncio.TimeoutError:
        return nom, False, TIMEOUT

async def main():
    start = time.time()
    taches = [asyncio.create_task(check(s)) for s in SERVICES]

    en_ligne, hors_ligne = 0, 0
    for tache in asyncio.as_completed(taches):
        nom, ok, duree = await tache
        if ok:
            print(f"✓ {nom:<20} EN LIGNE  ({duree:.2f}s)")
            en_ligne += 1
        else:
            print(f"✗ {nom:<20} HORS LIGNE (timeout {duree:.1f}s)")
            hors_ligne += 1

    total = time.time() - start
    print(f"\nRésumé : {en_ligne} en ligne, {hors_ligne} hors ligne — temps total {total:.2f}s")

if __name__ == "__main__":
    asyncio.run(main())