// FILE: model/observation.go
package model

import "time"

type WeatherObservation struct {
	// Identity / metadata
	StationID   string    `json:"stationId,omitempty"`
	StationName string    `json:"stationName,omitempty"`
	Timestamp   time.Time `json:"timestamp"`

	// Canonical internal representation (provider-independent).
	ConditionCode   WMOCode `json:"conditionCode"`
	IsDay           *bool   `json:"isDay,omitempty"`
	TextDescription string  `json:"textDescription,omitempty"`

	// Core measurements (nullable)
	TemperatureC *float64 `json:"temperatureC,omitempty"`
	DewpointC    *float64 `json:"dewpointC,omitempty"`

	WindDirectionDegrees *float64 `json:"windDirectionDegrees,omitempty"`
	WindSpeedKmh         *float64 `json:"windSpeedKmh,omitempty"`
	WindGustKmh          *float64 `json:"windGustKmh,omitempty"`

	BarometricPressurePa *float64 `json:"barometricPressurePa,omitempty"`
	VisibilityMeters     *float64 `json:"visibilityMeters,omitempty"`

	RelativeHumidityPercent *float64 `json:"relativeHumidityPercent,omitempty"`
	ApparentTemperatureC    *float64 `json:"apparentTemperatureC,omitempty"`

	PresentWeather []PresentWeather `json:"presentWeather,omitempty"`
}

type PresentWeather struct {
	Raw map[string]any `json:"raw,omitempty"`
}