package model

import "time"

// WeatherPoint represents weather conditions at a specific point in time
type WeatherPoint struct {
	Time          time.Time
	WindSpeedMPH  float64
	WindDirection int     // 0-359 degrees
	WindGustMPH   float64
}

// Thresholds defines the criteria for flyable conditions
type Thresholds struct {
	SpeedMin  float64 `json:"speedMin"`  // default 7 mph
	SpeedMax  float64 `json:"speedMax"`  // default 14 mph
	DirCenter int     `json:"dirCenter"` // default 270 (West)
	DirRange  int     `json:"dirRange"`  // default 15 degrees
}

// DefaultThresholds returns the default threshold values
func DefaultThresholds() Thresholds {
	return Thresholds{
		SpeedMin:  7,
		SpeedMax:  14,
		DirCenter: 270,
		DirRange:  15,
	}
}

// Assessment contains the analysis of weather conditions for paragliding
type Assessment struct {
	Status     string          // "GOOD" or "BAD"
	Reason     string          // explanation of the status
	FlyableNow bool            // whether conditions are currently flyable
	BestWindow *FlyableWindow  // the best flyable window (if any)
	AllWindows []FlyableWindow // all flyable windows found
}

// FlyableWindow represents a continuous period of flyable conditions
type FlyableWindow struct {
	Start    time.Time
	End      time.Time
	Duration time.Duration
}