Logistics Parcel Tracking Agent

import requests, json, datetime

COURIER_APIS = {
  "J&T": "https://api.jtexpress.my/v2/tracking",
  "PosLaju": "https://api.pos.com.my/v1/parcels",
  "DHL": "https://api.dhl.com.my/v1/shipments",
  "GDEX": "https://api.gdexpress.com/v2/track"
}

STATUS_MAP = {
  "PU": "Picked Up", "IT": "In Transit",
  "OD": "Out for Delivery", "DL": "Delivered",
  "EX": "Exception", "DE": "Delayed"
}

def track_parcel(tracking_id, courier):
    api = COURIER_APIS.get(courier)
    resp = requests.get(f"{api}/{tracking_id}")
    data = resp.json()
    raw_status = data.get("status", "UNKNOWN")
    normalized = STATUS_MAP.get(raw_status, "Unknown")
    eta = data.get("estimated_delivery")
    is_delayed = eta and datetime.date.fromisoformat(eta) < datetime.date.today()
    return {
        "id": tracking_id,
        "status": normalized,
        "location": data.get("location", "N/A"),
        "est": eta,
        "delayed": is_delayed,
        "courier": courier
    }

parcels = ["SHIP-1001", "SHIP-1002", "SHIP-1003", "SHIP-1004"]
results = [track_parcel(p, c) for p, c in zip(parcels, ["J&T","PosLaju","DHL","GDEX"])]
print(json.dumps(results, indent=2))