Squashed commit of the following:

commit 62e7cb88f4
Author: Gisle Aune <dev@gisle.me>
Date:   Mon Feb 28 22:52:06 2022 +0100

    refactor color system to be separate from models, also move errors out of models.

commit df865574bf
Author: Gisle Aune <dev@gisle.me>
Date:   Mon Feb 21 19:27:42 2022 +0100

    rework color system and make it work with drivers.

internal/drivers/hue/bridge.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"git.aiterp.net/lucifer/new-server/internal/lerrors"
 	"git.aiterp.net/lucifer/new-server/models"
 	"golang.org/x/sync/errgroup"
 	"io"
@@ -159,7 +160,7 @@ func (b *Bridge) ForgetDevice(ctx context.Context, device models.Device) error {
 	}
 	b.mu.Unlock()
 	if !found {
-		return models.ErrNotFound
+		return lerrors.ErrNotFound
 	}
 
 	// Delete light from bridge
@@ -237,7 +238,7 @@ func (b *Bridge) getToken(ctx context.Context) (string, error) {
 		return "", errLinkButtonNotPressed
 	}
 	if result[0].Success == nil {
-		return "", models.ErrUnexpectedResponse
+		return "", lerrors.ErrUnexpectedResponse
 	}
 
 	return result[0].Success.Username, nil

internal/drivers/hue/driver.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"encoding/xml"
 	"fmt"
+	"git.aiterp.net/lucifer/new-server/internal/lerrors"
 	"git.aiterp.net/lucifer/new-server/models"
 	"log"
 	"net/http"
@@ -22,7 +23,7 @@ type Driver struct {
 func (d *Driver) SearchBridge(ctx context.Context, address, _ string, dryRun bool) ([]models.Bridge, error) {
 	if address == "" {
 		if !dryRun {
-			return nil, models.ErrAddressOnlyDryRunnable
+			return nil, lerrors.ErrAddressOnlyDryRunnable
 		}
 
 		res, err := http.Get("https://discovery.meethue.com")

internal/drivers/hue/state.go

@@ -40,7 +40,7 @@ func (s *hueLightState) Update(state models.DeviceState) {
 	if state.Power {
 		input.On = ptrBool(true)
 		if state.Color.IsKelvin() {
-			input.CT = ptrInt(1000000 / state.Color.Kelvin)
+			input.CT = ptrInt(1000000 / *state.Color.K)
 			if *input.CT < s.info.Capabilities.Control.CT.Min {
 				*input.CT = s.info.Capabilities.Control.CT.Min
 			}
@@ -51,13 +51,13 @@ func (s *hueLightState) Update(state models.DeviceState) {
 			if s.input.CT == nil || *s.input.CT != *input.CT {
 				s.stale = true
 			}
-		} else {
-			input.Hue = ptrInt(int(state.Color.Hue*(65536/360)) % 65536)
+		} else if color, ok := state.Color.ToHS(); ok {
+			input.Hue = ptrInt(int(color.HS.Hue*(65536/360)) % 65536)
 			if s.input.Hue == nil || *s.input.Hue != *input.Hue {
 				s.stale = true
 			}
 
-			input.Sat = ptrInt(int(state.Color.Saturation * 255))
+			input.Sat = ptrInt(int(color.HS.Sat * 255))
 			if *input.Sat > 254 {
 				*input.Sat = 254
 			}