from __future__ import annotations

from typing import Any

from .base import ProtocolSpec


BACNET_OBJECT_TYPE_ALIASES = {
    "analoginput": "AnalogInput",
    "analogoutput": "AnalogOutput",
    "analogvalue": "AnalogValue",
    "binaryinput": "BinaryInput",
    "binaryoutput": "BinaryOutput",
    "binaryvalue": "BinaryValue",
    "multistateinput": "MultiStateInput",
    "multistateoutput": "MultiStateOutput",
    "multistatevalue": "MultiStateValue",
}


def normalize_bacnet_object_type(value: Any) -> str:
    raw_value = str(value or "").strip()
    if not raw_value:
        raise ValueError("payload.object_type is required")
    lookup_key = "".join(char for char in raw_value if char.isalnum()).lower()
    return BACNET_OBJECT_TYPE_ALIASES.get(lookup_key, raw_value)


BACNET_SPEC = ProtocolSpec(
    protocol="bacnet",
    create_device_path="/api/collector/device",
    create_point_path="/api/collector/bacnet/point/add_collect_point",
    point_test_path="/api/dc-gateway/bacnet/read_points",
    search_points_path="/api/dc-gateway/bacnet/search_points",
    bbmd_whois_path="/api/dc-gateway/bacnet/bbmd/whois",
    device_defaults={
        "type": "bacnet",
        "device_type": 1,
        "port": 47808,
        "bacnet_net": 0,
        "asp_ip": "",
        "timeout": 3,
        "is_persistent": False,
        "group_id": 0,
        "alarm_interval": 90,
        "collect_interval": 5,
    },
    point_defaults={
        "point_id": "",
        "priority": None,
        "object_name": "",
        "units": "",
        "value_type": 0,
        "group_id": 0,
        "scale_ratio": 1,
        "value_offset": 0,
        "describe": "",
        "invalid_values": "",
        "valid_range_start": None,
        "valid_range_end": None,
    },
)