muScript: use date/time from respackopts

muscript/src/main/java/io/gitlab/jfronny/muscript/StandardLib.java

@@ -3,18 +3,17 @@ package io.gitlab.jfronny.muscript;
 import io.gitlab.jfronny.muscript.data.Scope;
 import io.gitlab.jfronny.muscript.data.dynamic.*;
 
-import java.text.SimpleDateFormat;
-import java.util.Date;
+import java.time.LocalDate;
+import java.time.LocalTime;
+import java.util.Map;
 import java.util.Random;
+import java.util.function.Supplier;
 
 import static io.gitlab.jfronny.muscript.data.dynamic.DFinal.of;
 
 public class StandardLib {
     private static final Random rnd = new Random();
 
-    public static final SimpleDateFormat timeFormat = new SimpleDateFormat("HH:mm");
-    public static final SimpleDateFormat dateFormat = new SimpleDateFormat("dd. MM. yyyy");
-
     public static Scope createScope() {
         return addTo(new Scope());
     }
@@ -22,8 +21,29 @@ public class StandardLib {
     public static Scope addTo(Scope scope) {
         return scope
                 .set("PI", Math.PI)
-                .set("time", timeFormat.format(new Date()))
-                .set("date", dateFormat.format(new Date()))
+                .set("E", Math.E)
+                .set("date", new DCallableObject(Map.of(
+                        "today", new DDate(LocalDate::now)
+                ), DFinal.of(args -> {
+                    // Constructor
+                    if (args.size() == 1) return new DDate(() -> LocalDate.ofEpochDay(args.get(0).asNumber().getValue().longValue()));
+                    if (args.size() != 3) throw new IllegalArgumentException("Expected 3 arguments for full date constructor");
+                    int a0 = args.get(0).asNumber().getValue().intValue();
+                    int a1 = args.get(1).asNumber().getValue().intValue();
+                    int a2 = args.get(2).asNumber().getValue().intValue();
+                    return new DDate(() -> LocalDate.of(a0, a1, a2));
+                })))
+                .set("time", new DCallableObject(Map.of(
+                        "now", new DTime(LocalTime::now)
+                ), DFinal.of(args -> {
+                    // Constructor
+                    if (args.size() == 1) return new DTime(() -> LocalTime.ofSecondOfDay(args.get(0).asNumber().getValue().intValue()));
+                    if (args.size() != 3) throw new IllegalArgumentException("Expected 3 arguments for full time constructor");
+                    int a0 = args.get(0).asNumber().getValue().intValue();
+                    int a1 = args.get(1).asNumber().getValue().intValue();
+                    int a2 = args.get(2).asNumber().getValue().intValue();
+                    return new DTime(() -> LocalTime.of(a0, a1, a2));
+                })))
 
                 .set("round", StandardLib::round)
                 .set("floor", StandardLib::floor)
@@ -47,6 +67,58 @@ public class StandardLib {
                 .set("forEach", StandardLib::forEach);
     }
 
+    private record DDate(Supplier<LocalDate> date) implements DObject {
+        @Override
+        public Map<String, Dynamic<?>> getValue() {
+            return Map.of(
+                    "year", DFinal.of(date.get().getYear()),
+                    "month", DFinal.of(date.get().getMonthValue()),
+                    "day", DFinal.of(date.get().getDayOfMonth())
+            );
+        }
+
+        @Override
+        public DString asString() {
+            return DFinal.of(toString());
+        }
+
+        @Override
+        public DNumber asNumber() {
+            return DFinal.of(date.get().toEpochDay());
+        }
+
+        @Override
+        public String toString() {
+            return date.get().toString();
+        }
+    }
+
+    private record DTime(Supplier<LocalTime> time) implements DObject {
+        @Override
+        public Map<String, Dynamic<?>> getValue() {
+            return Map.of(
+                    "hour", DFinal.of(time.get().getHour()),
+                    "minute", DFinal.of(time.get().getMinute()),
+                    "second", DFinal.of(time.get().getSecond())
+            );
+        }
+
+        @Override
+        public DString asString() {
+            return DFinal.of(toString());
+        }
+
+        @Override
+        public DNumber asNumber() {
+            return DFinal.of(time.get().toSecondOfDay());
+        }
+
+        @Override
+        public String toString() {
+            return time.get().toString();
+        }
+    }
+
     // Numbers
     public static DNumber round(DList args) {
         if (args.size() == 1) {
@@ -113,7 +185,8 @@ public class StandardLib {
 
     public static DNumber len(DList args) {
         if (args.size() != 1) throw new IllegalArgumentException("Invalid number of arguments for len: expected 1 but got " + args.size());
-        return of(args.get(0).asList().size());
+        Dynamic<?> d = args.get(0);
+        return of(d instanceof DString ds ? ds.getValue().length() : d.asList().size());
     }
 
     public static DBool isEmpty(DList args) {

muscript/src/main/java/io/gitlab/jfronny/muscript/data/dynamic/DCallableObject.java

@@ -0,0 +1,15 @@
+package io.gitlab.jfronny.muscript.data.dynamic;
+
+import java.util.Map;
+
+public record DCallableObject(Map<String, Dynamic<?>> value, DCallable callable) implements DObject {
+    @Override
+    public Map<String, Dynamic<?>> getValue() {
+        return value;
+    }
+
+    @Override
+    public DCallable asCallable() {
+        return callable;
+    }
+}