import os

MQTT_HOST = os.getenv("MQTT_HOST", "localhost")
MQTT_PORT = int(os.getenv("MQTT_PORT", "1883"))

# The simulated data center topology
TOPOLOGY = {
    "site_id": "sg-01",
    "rooms": [
        {
            "room_id":  "hall-a",
            "racks":    [f"SG1A01.{i:02d}" for i in range(1, 21)] + [f"SG1A02.{i:02d}" for i in range(1, 21)],
            "crac_id":  "crac-01",
        },
        {
            "room_id":  "hall-b",
            "racks":    [f"SG1B01.{i:02d}" for i in range(1, 21)] + [f"SG1B02.{i:02d}" for i in range(1, 21)],
            "crac_id":  "crac-02",
        },
    ],
    "ups_units":    ["ups-01", "ups-02"],
    "generators":   ["gen-01"],
    "ats_units":    ["ats-01"],
    "chillers":     ["chiller-01"],
    "vesda_zones": [
        {"zone_id": "vesda-hall-a", "room_id": "hall-a"},
        {"zone_id": "vesda-hall-b", "room_id": "hall-b"},
    ],
    "leak_sensors": [
        {
            "sensor_id":   "leak-01",
            "floor_zone":  "crac-zone-a",
            "under_floor": True,
            "near_crac":   True,
            "room_id":     "hall-a",
        },
        {
            "sensor_id":   "leak-02",
            "floor_zone":  "server-row-b1",
            "under_floor": True,
            "near_crac":   False,
            "room_id":     "hall-b",
        },
        {
            "sensor_id":   "leak-03",
            "floor_zone":  "ups-room",
            "under_floor": False,
            "near_crac":   False,
            "room_id":     None,
        },
    ],
    "switches": [
        {"switch_id": "sw-core-01", "name": "Core Switch — Hall A", "model": "Cisco Catalyst C9300-48P", "room_id": "hall-a", "rack_id": "SG1A01.01", "port_count": 48, "role": "core"},
        {"switch_id": "sw-core-02", "name": "Core Switch — Hall B", "model": "Arista 7050CX3-32S",       "room_id": "hall-b", "rack_id": "SG1B01.01", "port_count": 32, "role": "core"},
        {"switch_id": "sw-edge-01", "name": "Edge / Uplink Switch",  "model": "Juniper EX4300-48T",      "room_id": "hall-a", "rack_id": "SG1A01.05", "port_count": 48, "role": "edge"},
    ],
    "particle_sensors": [
        {"room_id": "hall-a"},
        {"room_id": "hall-b"},
    ],
}