"""Controller for sharing Omada API coordinators between platforms."""

from tplink_omada_client.devices import (
    OmadaGateway,
    OmadaSwitch,
    OmadaSwitchPortDetails,
)
from tplink_omada_client.omadasiteclient import OmadaSiteClient

from homeassistant.core import HomeAssistant

from .coordinator import OmadaCoordinator

POLL_SWITCH_PORT = 300
POLL_GATEWAY = 300


class OmadaSwitchPortCoordinator(OmadaCoordinator[OmadaSwitchPortDetails]):
    """Coordinator for getting details about ports on a switch."""

    def __init__(
        self,
        hass: HomeAssistant,
        omada_client: OmadaSiteClient,
        network_switch: OmadaSwitch,
    ) -> None:
        """Initialize my coordinator."""
        super().__init__(
            hass, omada_client, f"{network_switch.name} Ports", POLL_SWITCH_PORT
        )
        self._network_switch = network_switch

    async def poll_update(self) -> dict[str, OmadaSwitchPortDetails]:
        """Poll a switch's current state."""
        ports = await self.omada_client.get_switch_ports(self._network_switch)
        return {p.port_id: p for p in ports}


class OmadaGatewayCoordinator(OmadaCoordinator[OmadaGateway]):
    """Coordinator for getting details about the site's gateway."""

    def __init__(
        self,
        hass: HomeAssistant,
        omada_client: OmadaSiteClient,
        mac: str,
    ) -> None:
        """Initialize my coordinator."""
        super().__init__(hass, omada_client, "Gateway", POLL_GATEWAY)
        self.mac = mac

    async def poll_update(self) -> dict[str, OmadaGateway]:
        """Poll a the gateway's current state."""
        gateway = await self.omada_client.get_gateway(self.mac)
        return {self.mac: gateway}


class OmadaSiteController:
    """Controller for the Omada SDN site."""

    _gateway_coordinator: OmadaGatewayCoordinator | None = None
    _initialized_gateway_coordinator = False

    def __init__(self, hass: HomeAssistant, omada_client: OmadaSiteClient) -> None:
        """Create the controller."""
        self._hass = hass
        self._omada_client = omada_client

        self._switch_port_coordinators: dict[str, OmadaSwitchPortCoordinator] = {}

    @property
    def omada_client(self) -> OmadaSiteClient:
        """Get the connected client API for the site to manage."""
        return self._omada_client

    def get_switch_port_coordinator(
        self, switch: OmadaSwitch
    ) -> OmadaSwitchPortCoordinator:
        """Get coordinator for network port information of a given switch."""
        if switch.mac not in self._switch_port_coordinators:
            self._switch_port_coordinators[switch.mac] = OmadaSwitchPortCoordinator(
                self._hass, self._omada_client, switch
            )

        return self._switch_port_coordinators[switch.mac]

    async def get_gateway_coordinator(self) -> OmadaGatewayCoordinator | None:
        """Get coordinator for site's gateway, or None if there is no gateway."""
        if not self._initialized_gateway_coordinator:
            self._initialized_gateway_coordinator = True
            devices = await self._omada_client.get_devices()
            gateway = next((d for d in devices if d.type == "gateway"), None)
            if not gateway:
                return None

            self._gateway_coordinator = OmadaGatewayCoordinator(
                self._hass, self._omada_client, gateway.mac
            )

        return self._gateway_coordinator