"""MedMate - Medicine Tracker Integration for Home Assistant."""
import asyncio
import logging
from datetime import datetime, timedelta
import voluptuous as vol

from homeassistant.config_entries import ConfigEntry
from homeassistant.const import Platform
from homeassistant.core import HomeAssistant
from homeassistant.helpers.typing import ConfigType
import homeassistant.helpers.config_validation as cv

from .const import DOMAIN

_LOGGER = logging.getLogger(__name__)

PLATFORMS = [Platform.SENSOR, Platform.BINARY_SENSOR, Platform.BUTTON]

# Configuration schema - this tells HA what config keys are allowed
CONFIG_SCHEMA = vol.Schema({
    DOMAIN: vol.Schema({})
}, extra=vol.ALLOW_EXTRA)


async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
    """Set up MedMate integration."""
    # Initialize the domain data storage
    hass.data.setdefault(DOMAIN, {})
    return True


async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
    """Set up MedMate from a config entry."""
    try:
        # Import coordinator here to avoid circular imports
        from .coordinator import MedMateDataUpdateCoordinator
        
        coordinator = MedMateDataUpdateCoordinator(hass, entry)
        
        await coordinator.async_config_entry_first_refresh()
        
        hass.data.setdefault(DOMAIN, {})
        hass.data[DOMAIN][entry.entry_id] = coordinator
        
        await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
        
        # Set up update listener for options changes
        entry.async_on_unload(entry.add_update_listener(async_update_options))
        
        return True
    except Exception as err:
        _LOGGER.error("Error setting up MedMate integration: %s", err)
        return False


async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
    """Unload a config entry."""
    try:
        unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
        
        if unload_ok:
            hass.data[DOMAIN].pop(entry.entry_id, None)
            
        return unload_ok
    except Exception as err:
        _LOGGER.error("Error unloading MedMate integration: %s", err)
        return False


async def async_reload_entry(hass: HomeAssistant, entry: ConfigEntry) -> None:
    """Reload config entry."""
    await async_unload_entry(hass, entry)
    await async_setup_entry(hass, entry)


async def async_update_options(hass: HomeAssistant, config_entry: ConfigEntry) -> None:
    """Handle options update."""
    await hass.config_entries.async_reload(config_entry.entry_id)