package core

import (
	"errors"

	"github.com/evcc-io/evcc/core/site"
)

var _ site.API = (*Site)(nil)

// GetPrioritySoC returns the PrioritySoC
func (site *Site) GetPrioritySoC() float64 {
	site.Lock()
	defer site.Unlock()
	return site.PrioritySoC
}

// SetPrioritySoC sets the PrioritySoC
func (site *Site) SetPrioritySoC(soc float64) error {
	site.Lock()
	defer site.Unlock()

	if len(site.batteryMeters) == 0 {
		return errors.New("battery not configured")
	}

	site.PrioritySoC = soc
	site.publish("prioritySoC", site.PrioritySoC)

	return nil
}