themes: incorporate theme registry, browser, dms URI scheme handling

core/internal/themes/search.go

@@ -0,0 +1,40 @@
+package themes
+
+import (
+	"strings"
+
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/utils"
+)
+
+func FuzzySearch(query string, themes []Theme) []Theme {
+	if query == "" {
+		return themes
+	}
+
+	queryLower := strings.ToLower(query)
+	return utils.Filter(themes, func(t Theme) bool {
+		return fuzzyMatch(queryLower, strings.ToLower(t.Name)) ||
+			fuzzyMatch(queryLower, strings.ToLower(t.Description)) ||
+			fuzzyMatch(queryLower, strings.ToLower(t.Author))
+	})
+}
+
+func fuzzyMatch(query, text string) bool {
+	queryIdx := 0
+	for _, char := range text {
+		if queryIdx < len(query) && char == rune(query[queryIdx]) {
+			queryIdx++
+		}
+	}
+	return queryIdx == len(query)
+}
+
+func FindByIDOrName(idOrName string, themes []Theme) *Theme {
+	if t, found := utils.Find(themes, func(t Theme) bool { return t.ID == idOrName }); found {
+		return &t
+	}
+	if t, found := utils.Find(themes, func(t Theme) bool { return t.Name == idOrName }); found {
+		return &t
+	}
+	return nil
+}