Wind and Weather Sentences

class MWV(TalkerSentence, ValidStatusFix):
    """Wind Speed and Angle."""
    
    wind_angle: str          # Wind angle in degrees
    reference: str           # Reference ('R' = relative, 'T' = true)
    wind_speed: str          # Wind speed
    wind_speed_units: str    # Speed units ('N' = knots, 'M' = m/s, 'K' = km/h)
    status: str              # 'A' = valid, 'V' = invalid
    
    @property
    def is_valid(self) -> bool:
        """True if status is 'A'."""

class VWR(TalkerSentence):
    """Relative Wind Speed and Angle."""
    
    deg_r: str               # Wind direction relative to vessel
    l_r: str                 # 'L' = left, 'R' = right
    wind_speed_kn: str       # Wind speed in knots
    unit_knots: str          # 'N' for knots
    wind_speed_ms: str       # Wind speed in m/s
    unit_ms: str             # 'M' for m/s
    wind_speed_km: str       # Wind speed in km/h
    unit_km: str             # 'K' for km/h

class MWD(TalkerSentence):
    """Wind Direction."""
    
    direction_true: str      # True wind direction in degrees
    true: str                # 'T' for true
    direction_magnetic: str  # Magnetic wind direction in degrees
    magnetic: str            # 'M' for magnetic
    wind_speed_knots: str    # Wind speed in knots
    knots: str               # 'N' for knots
    wind_speed_meters: str   # Wind speed in m/s
    meters: str              # 'M' for m/s

class MTA(TalkerSentence):
    """Air Temperature."""
    
    temperature: str         # Temperature value
    units: str               # 'C' for Celsius

class MTW(TalkerSentence):
    """Water Temperature."""
    
    temperature: str         # Water temperature value
    units: str               # 'C' for Celsius

class MDA(TalkerSentence):
    """Meteorological Composite."""
    
    b_pressure_inch: str     # Barometric pressure in inches of mercury
    inches: str              # 'I' for inches
    b_pressure_bar: str      # Barometric pressure in bars
    bars: str                # 'B' for bars
    air_temp: str            # Air temperature
    a_celsius: str           # 'C' for Celsius
    water_temp: str          # Water temperature
    w_celsius: str           # 'C' for Celsius
    rel_humidity: str        # Relative humidity percentage
    abs_humidity: str        # Absolute humidity
    dew_point: str           # Dew point temperature
    d_celsius: str           # 'C' for Celsius
    direction_true: str      # True wind direction
    true: str                # 'T' for true
    direction_magnetic: str  # Magnetic wind direction
    magnetic: str            # 'M' for magnetic
    wind_speed_knots: str    # Wind speed in knots
    knots: str               # 'N' for knots
    wind_speed_meters: str   # Wind speed in m/s
    meters: str              # 'M' for m/s

import pynmea2

# Parse wind speed and angle
msg = pynmea2.parse("$WIMWV,214,R,8.5,N,A*23")
print(f"Wind: {msg.wind_angle}° relative, {msg.wind_speed} {msg.wind_speed_units}")  # 214° relative, 8.5 N
print(f"Valid: {msg.is_valid}")              # True

# Parse relative wind
msg = pynmea2.parse("$WIMVR,045,R,8.5,N,4.4,M,15.8,K*59")
print(f"Relative wind: {msg.deg_r}° to {msg.l_r}")  # 045° to R (right)
print(f"Speed: {msg.wind_speed_kn} knots, {msg.wind_speed_ms} m/s")  # 8.5 knots, 4.4 m/s

# Parse comprehensive weather data
msg = pynmea2.parse("$WIMDA,30.15,I,1.02,B,23.5,C,18.2,C,65.5,,12.8,C,195,T,200,M,8.5,N,4.4,M*3D")
print(f"Pressure: {msg.b_pressure_inch} inches, {msg.b_pressure_bar} bars")
print(f"Air temp: {msg.air_temp}°C, Water temp: {msg.water_temp}°C")
print(f"Humidity: {msg.rel_humidity}%, Dew point: {msg.dew_point}°C")
print(f"Wind: {msg.direction_true}°T at {msg.wind_speed_knots} knots")

# Parse air temperature
msg = pynmea2.parse("$WIMTA,23.5,C*1F")
print(f"Air temperature: {msg.temperature}°{msg.units}")  # 23.5°C