import requests
import logging
from homeassistant.core import HomeAssistant, ServiceCall
from .const import DOMAIN, CONF_PHONE_NUMBER

_LOGGER = logging.getLogger(__name__)

async def async_setup_services(hass: HomeAssistant):
    async def handle_send_message(call: ServiceCall):
        message = call.data.get("message")
        recipient = call.data.get("recipient")
        
        targets = []

        # 1. Fall: Broadcast (Wenn "all" getippt wurde)
        if recipient == "all":
            entries = hass.config_entries.async_entries(DOMAIN)
            for e in entries:
                targets.append(e.data.get(CONF_PHONE_NUMBER))
        
        # 2. Fall: Eine Entity wurde ausgewählt (z.B. sensor.whatsapp_rene)
        elif recipient.startswith("sensor."):
            state = hass.states.get(recipient)
            if state and "phone_number" in state.attributes:
                targets.append(state.attributes.get("phone_number"))
            else:
                _LOGGER.error("Could not find phone number for entity: %s", recipient)
        
        # 3. Fall: Manuelle Nummer oder Name
        else:
            # Wir prüfen sicherheitshalber, ob es ein Account-Name ist
            entries = hass.config_entries.async_entries(DOMAIN)
            account_found = False
            for e in entries:
                if e.title.lower() == recipient.lower():
                    targets.append(e.data.get(CONF_PHONE_NUMBER))
                    account_found = True
                    break
            
            if not account_found:
                targets.append(recipient)

        # Senden
        for num in targets:
            url = "http://866fd2eb-whatsapp-bridge:3000/send"
            try:
                await hass.async_add_executor_job(
                    lambda: requests.post(url, json={"number": num, "message": message}, timeout=10)
                )
            except Exception as e:
                _LOGGER.error("Error sending to %s: %s", num, str(e))

    hass.services.async_register(DOMAIN, "send_message", handle_send_message)