Weather Alerts

class AlertManager:
    def alert_api_version(self) -> tuple:
        """
        Get Alert API version.
        
        Returns:
        Tuple representing the API version
        """
    
    def create_trigger(self, start, end, conditions, area, alert_channels=None) -> Trigger:
        """
        Create a weather alert trigger.
        
        Parameters:
        - start: Start time for monitoring (UNIX timestamp, datetime, or ISO8601 string)
        - end: End time for monitoring (UNIX timestamp, datetime, or ISO8601 string)
        - conditions: List of Condition objects defining weather criteria
        - area: List of geoJSON geometries defining monitoring area
        - alert_channels: Optional list of alert delivery channels
        
        Returns:
        Trigger object representing the created trigger
        """
    
    def get_triggers(self) -> List[Trigger]:
        """
        Get all user triggers.
        
        Returns:
        List of all Trigger objects owned by the user
        """
    
    def get_trigger(self, trigger_id: str) -> Trigger:
        """
        Get a specific trigger by ID.
        
        Parameters:
        - trigger_id: Unique trigger identifier
        
        Returns:
        Trigger object for the specified ID
        """
    
    def update_trigger(self, trigger: Trigger) -> None:
        """
        Update trigger configuration.
        
        Parameters:
        - trigger: Trigger object with updated information
        """
    
    def delete_trigger(self, trigger: Trigger) -> None:
        """
        Delete a trigger.
        
        Parameters:
        - trigger: Trigger object to delete
        """

class AlertManager:
    def get_alerts_for(self, trigger: Trigger, since: int = None) -> List[Alert]:
        """
        Get all alerts for a trigger.
        
        Parameters:
        - trigger: Trigger object to get alerts for
        - since: UNIX timestamp to get alerts since (optional)
        
        Returns:
        List of Alert objects fired by the trigger
        """
    
    def get_alert(self, alert_id: str, trigger: Trigger) -> Alert:
        """
        Get a specific alert.
        
        Parameters:
        - alert_id: Unique alert identifier
        - trigger: Parent trigger object
        
        Returns:
        Alert object for the specified ID
        """
    
    def delete_all_alerts_for(self, trigger: Trigger) -> None:
        """
        Delete all alerts for a trigger.
        
        Parameters:
        - trigger: Trigger object to delete alerts for
        """
    
    def delete_alert(self, alert: Alert) -> None:
        """
        Delete a specific alert.
        
        Parameters:
        - alert: Alert object to delete
        """

from pyowm import OWM
from pyowm.alertapi30.condition import Condition
from datetime import datetime, timedelta

owm = OWM('your-api-key')
alert_mgr = owm.alert_manager()

# Define monitoring area (London area as geoJSON polygon)
london_area = [{
    "type": "Polygon",
    "coordinates": [[
        [-0.2, 51.4], [-0.2, 51.6], [0.1, 51.6], [0.1, 51.4], [-0.2, 51.4]
    ]]
}]

# Create conditions for temperature alert
temp_condition = Condition('temp', 'GREATER_THAN', 30)  # Temperature > 30°C
humidity_condition = Condition('humidity', 'LESS_THAN', 40)  # Humidity < 40%

# Create trigger for hot, dry conditions
start_time = datetime.now()
end_time = start_time + timedelta(days=7)  # Monitor for 1 week

trigger = alert_mgr.create_trigger(
    start=start_time,
    end=end_time,
    conditions=[temp_condition, humidity_condition],
    area=london_area
)

print(f"Created trigger: {trigger.id}")
print(f"Monitoring from {start_time} to {end_time}")
print(f"Conditions: Temperature > 30°C AND Humidity < 40%")

# Create various weather monitoring triggers

# High wind speed alert
wind_condition = Condition('wind_speed', 'GREATER_THAN', 15)  # Wind > 15 m/s
wind_trigger = alert_mgr.create_trigger(
    start=datetime.now(),
    end=datetime.now() + timedelta(days=3),
    conditions=[wind_condition],
    area=london_area
)

# Heavy precipitation alert  
rain_condition = Condition('rain', 'GREATER_THAN', 10)  # Rain > 10mm
rain_trigger = alert_mgr.create_trigger(
    start=datetime.now(),
    end=datetime.now() + timedelta(hours=24),
    conditions=[rain_condition],
    area=london_area
)

# Low temperature alert (frost warning)
frost_condition = Condition('temp', 'LESS_THAN', 0)  # Temperature < 0°C
frost_trigger = alert_mgr.create_trigger(
    start=datetime.now(),
    end=datetime.now() + timedelta(days=5),
    conditions=[frost_condition],
    area=london_area
)

# Complex condition: Storm warning (high wind + heavy rain)
storm_conditions = [
    Condition('wind_speed', 'GREATER_THAN', 20),  # Wind > 20 m/s
    Condition('rain', 'GREATER_THAN', 15)         # Rain > 15mm
]
storm_trigger = alert_mgr.create_trigger(
    start=datetime.now(),
    end=datetime.now() + timedelta(days=2),
    conditions=storm_conditions,
    area=london_area
)

print(f"Created wind alert trigger: {wind_trigger.id}")
print(f"Created rain alert trigger: {rain_trigger.id}")
print(f"Created frost alert trigger: {frost_trigger.id}")
print(f"Created storm alert trigger: {storm_trigger.id}")

# Check all triggers
triggers = alert_mgr.get_triggers()
print(f"Total active triggers: {len(triggers)}")

for trigger in triggers:
    print(f"Trigger {trigger.id}:")
    print(f"  Conditions: {len(trigger.conditions)}")
    print(f"  Area polygons: {len(trigger.area)}")
    
    # Check for alerts
    alerts = alert_mgr.get_alerts_for(trigger)
    print(f"  Active alerts: {len(alerts)}")
    
    if alerts:
        for alert in alerts:
            print(f"    Alert {alert.id}:")
            print(f"      Conditions met: {alert.met_conditions}")
            print(f"      Location: {alert.coordinates}")
            if alert.last_update:
                print(f"      Last update: {datetime.fromtimestamp(alert.last_update)}")

# Get alerts by weather parameter
temp_alerts = []
for trigger in triggers:
    alerts = trigger.get_alerts_on('temp')
    temp_alerts.extend(alerts)

print(f"Temperature-related alerts: {len(temp_alerts)}")

from datetime import datetime

# Get alerts from the last 24 hours
yesterday = datetime.now() - timedelta(days=1)

recent_alerts = []
for trigger in triggers:
    alerts = trigger.get_alerts_since(int(yesterday.timestamp()))
    recent_alerts.extend(alerts)

print(f"Alerts in last 24 hours: {len(recent_alerts)}")

# Analyze alert patterns
alert_locations = {}
for alert in recent_alerts:
    coords = f"{alert.coordinates['lat']:.2f},{alert.coordinates['lon']:.2f}"
    alert_locations[coords] = alert_locations.get(coords, 0) + 1

print("Alert hotspots:")
for location, count in sorted(alert_locations.items(), key=lambda x: x[1], reverse=True):
    print(f"  {location}: {count} alerts")

# Clean up old alerts
for trigger in triggers:
    old_alerts = alert_mgr.get_alerts_for(trigger)
    if len(old_alerts) > 100:  # Keep only latest 100 alerts
        print(f"Cleaning up old alerts for trigger {trigger.id}")
        alert_mgr.delete_all_alerts_for(trigger)

class Trigger:
    def __init__(self, start_after_millis: int, end_after_millis: int, conditions: List[Condition],
                 area: List, alerts: List[Alert] = None, alert_channels: List = None, id: str = None): ...
    
    def get_alerts(self) -> List[Alert]:
        """Returns all alerts fired by this trigger."""
    
    def get_alert(self, alert_id: str) -> Union[Alert, None]:
        """Returns specific alert by ID."""
    
    def get_alerts_since(self, timestamp: int) -> List[Alert]:
        """Returns alerts fired since the specified timestamp."""
    
    def get_alerts_on(self, weather_param: str) -> List[Alert]:
        """Returns alerts fired for the specified weather parameter."""
    
    @property
    def id(self) -> str: ...
    @property
    def start_after_millis(self) -> int: ...
    @property
    def end_after_millis(self) -> int: ...
    @property
    def conditions(self) -> List[Condition]: ...
    @property
    def area(self) -> List: ...
    @property
    def alerts(self) -> List[Alert]: ...
    @property
    def alert_channels(self) -> List: ...
    
    def to_dict(self) -> dict: ...

class Alert:
    def __init__(self, id: str, trigger_id: str, met_conditions: List[dict], 
                 coordinates: dict, last_update: int = None): ...
    
    @property
    def id(self) -> str: ...
    @property
    def trigger_id(self) -> str: ...
    @property
    def met_conditions(self) -> List[dict]:
        """
        List of condition details that were met:
        [
            {
                'current_value': float,
                'condition': {
                    'name': str,        # Weather parameter name
                    'expression': str,  # Comparison operator
                    'amount': float     # Threshold value
                }
            }
        ]
        """
    @property
    def coordinates(self) -> dict:
        """Geographic coordinates where condition was met: {'lat': float, 'lon': float}"""
    @property
    def last_update(self) -> Union[int, None]: ...
    
    def to_dict(self) -> dict: ...

class Condition:
    def __init__(self, weather_param: str, operator: str, amount: Union[int, float], id: str = None): ...
    
    @property
    def id(self) -> str: ...
    @property
    def weather_param(self) -> str:
        """
        Weather parameter to monitor:
        - 'temp': Temperature (°C)
        - 'pressure': Atmospheric pressure (hPa)
        - 'humidity': Relative humidity (%)
        - 'wind_speed': Wind speed (m/s)
        - 'wind_direction': Wind direction (degrees)
        - 'rain': Precipitation amount (mm)
        - 'snow': Snow amount (mm)
        - 'clouds': Cloud coverage (%)
        """
    @property
    def operator(self) -> str:
        """
        Comparison operator:
        - 'GREATER_THAN': >
        - 'GREATER_THAN_OR_EQUAL': >=
        - 'LESS_THAN': <
        - 'LESS_THAN_OR_EQUAL': <=
        - 'EQUAL': =
        - 'NOT_EQUAL': !=
        """
    @property
    def amount(self) -> Union[int, float]: ...
    
    def to_dict(self) -> dict: ...

class AlertChannel:
    def __init__(self, name: str): ...
    
    @property
    def name(self) -> str:
        """
        Alert delivery channel name.
        Supported channels depend on subscription level.
        """
    
    def to_dict(self) -> dict: ...