scripting system, hue fixes and such

internal/formattools/compactidlist.go

@@ -6,6 +6,45 @@ import (
 	"strings"
 )
 
+func CompactMatch(ids []string) string {
+	if len(ids) == 1 {
+		return ids[0]
+	}
+
+	shortestPrefix := ids[0]
+	for _, curr := range ids[1:] {
+		minLength := len(shortestPrefix)
+		if len(curr) < minLength {
+			minLength = len(curr)
+		}
+
+		if len(shortestPrefix) > minLength {
+			shortestPrefix = shortestPrefix[:minLength]
+		}
+
+		for i := 0; i < minLength; i++ {
+			if curr[i] != shortestPrefix[i] {
+				shortestPrefix = curr[:i]
+				break
+			}
+		}
+	}
+
+	sb := strings.Builder{}
+	sb.WriteString(shortestPrefix)
+	sb.WriteByte('{')
+	for i, curr := range ids {
+		if i != 0 {
+			sb.WriteByte(',')
+		}
+
+		sb.WriteString(curr[len(shortestPrefix):])
+	}
+	sb.WriteByte('}')
+
+	return sb.String()
+}
+
 func CompactIDList(ids []string) []string {
 	ids = append(ids[:0:0], ids...)
 	sort.Strings(ids)

internal/formattools/compactlist_test.go

@@ -0,0 +1,39 @@
+package formattools
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestCompactMatch(t *testing.T) {
+	table := []struct {
+		O string
+		I []string
+	}{
+		{
+			"nanoleaf:172.16.119.33:{abcd,dead,beef,0000}",
+			[]string{
+				"nanoleaf:172.16.119.33:abcd", "nanoleaf:172.16.119.33:dead",
+				"nanoleaf:172.16.119.33:beef", "nanoleaf:172.16.119.33:0000",
+			},
+		},
+		{
+			"nanoleaf:172.16.{119.33:abcd,22.33:dead}",
+			[]string{
+				"nanoleaf:172.16.119.33:abcd", "nanoleaf:172.16.22.33:dead",
+			},
+		},
+		{
+			"{nanoleaf:172.16.119.33:abcd,hue:172.16.119.34:81bd3cc3-cf22-4401-a5cb-a4bf18687270}",
+			[]string{
+				"nanoleaf:172.16.119.33:abcd", "hue:172.16.119.34:81bd3cc3-cf22-4401-a5cb-a4bf18687270",
+			},
+		},
+	}
+
+	for _, row := range table {
+		t.Run(row.O, func(t *testing.T) {
+			assert.Equal(t, row.O, CompactMatch(row.I))
+		})
+	}
+}