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app/src/components/ui/componets/Panel.tsx

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+import React, { useEffect, useMemo, useRef, useState } from "react";
+import { useWidgetStore } from "../../../store/useWidgetStore";
+import { usePlayButtonStore } from "../../../store/usePlayButtonStore";
+import { DraggableWidget } from "./DraggableWidget";
+
+type Side = "top" | "bottom" | "left" | "right";
+
+interface Widget {
+  id: string;
+  type: string;
+  title: string;
+  panel: Side;
+  data: any;
+}
+
+interface PanelProps {
+  selectedZone: {
+    zoneName: string;
+    activeSides: Side[];
+    panelOrder: Side[];
+    lockedPanels: Side[];
+    widgets: Widget[];
+  };
+  setSelectedZone: React.Dispatch<
+    React.SetStateAction<{
+      zoneName: string;
+      activeSides: Side[];
+      panelOrder: Side[];
+      lockedPanels: Side[];
+      widgets: Widget[];
+    }>
+  >;
+}
+
+const generateUniqueId = () =>
+  `${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
+
+const Panel: React.FC<PanelProps> = ({ selectedZone, setSelectedZone }) => {
+  const panelRefs = useRef<{ [side in Side]?: HTMLDivElement }>({});
+  const [panelDimensions, setPanelDimensions] = useState<{
+    [side in Side]?: { width: number; height: number };
+  }>({});
+
+  const getPanelStyle = useMemo(
+    () => (side: Side) => {
+      const currentIndex = selectedZone.panelOrder.indexOf(side);
+      const previousPanels = selectedZone.panelOrder.slice(0, currentIndex);
+      const leftActive = previousPanels.includes("left");
+      const rightActive = previousPanels.includes("right");
+      const topActive = previousPanels.includes("top");
+      const bottomActive = previousPanels.includes("bottom");
+
+      switch (side) {
+        case "top":
+        case "bottom":
+          return {
+            width: `calc(100% - ${
+              (leftActive ? 204 : 0) + (rightActive ? 204 : 0)
+            }px)`,
+            left: leftActive ? "204px" : "0",
+            right: rightActive ? "204px" : "0",
+            [side]: "0",
+            height: "200px",
+          };
+        case "left":
+        case "right":
+          return {
+            height: `calc(100% - ${
+              (topActive ? 204 : 0) + (bottomActive ? 204 : 0)
+            }px)`,
+            top: topActive ? "204px" : "0",
+            bottom: bottomActive ? "204px" : "0",
+            [side]: "0",
+            width: "200px",
+          };
+        default:
+          return {};
+      }
+    },
+    [selectedZone.panelOrder]
+  );
+
+  const handleDrop = (e: React.DragEvent, panel: Side) => {
+    e.preventDefault();
+    const { draggedAsset } = useWidgetStore.getState();
+    
+    if (!draggedAsset) return;
+    if (isPanelLocked(panel)) return;
+  
+    const currentWidgetsCount = getCurrentWidgetCount(panel);
+    const maxCapacity = calculatePanelCapacity(panel);
+  
+    if (currentWidgetsCount >= maxCapacity) return;
+  
+    addWidgetToPanel(draggedAsset, panel);
+  };
+  
+  // Helper functions
+  const isPanelLocked = (panel: Side) => 
+    selectedZone.lockedPanels.includes(panel);
+  
+  const getCurrentWidgetCount = (panel: Side) => 
+    selectedZone.widgets.filter(w => w.panel === panel).length;
+  
+  const calculatePanelCapacity = (panel: Side) => {
+    const CHART_WIDTH = 200;
+    const CHART_HEIGHT = 200;
+    const FALLBACK_HORIZONTAL_CAPACITY = 5;
+    const FALLBACK_VERTICAL_CAPACITY = 3;
+  
+    const dimensions = panelDimensions[panel];
+    if (!dimensions) {
+      return panel === "top" || panel === "bottom" 
+        ? FALLBACK_HORIZONTAL_CAPACITY
+        : FALLBACK_VERTICAL_CAPACITY;
+    }
+  
+    return panel === "top" || panel === "bottom"
+      ? Math.floor(dimensions.width / CHART_WIDTH)
+      : Math.floor(dimensions.height / CHART_HEIGHT);
+  };
+  
+  const addWidgetToPanel = (asset: any, panel: Side) => {
+    const newWidget = {
+      ...asset,
+      id: generateUniqueId(),
+      panel,
+    };
+  
+    setSelectedZone(prev => ({
+      ...prev,
+      widgets: [...prev.widgets, newWidget]
+    }));
+  };
+
+  useEffect(() => {
+    const observers: ResizeObserver[] = [];
+    const currentPanelRefs = panelRefs.current;
+
+    selectedZone.activeSides.forEach((side) => {
+      const element = currentPanelRefs[side];
+      if (element) {
+        const observer = new ResizeObserver((entries) => {
+          for (const entry of entries) {
+            const { width, height } = entry.contentRect;
+            setPanelDimensions((prev) => ({
+              ...prev,
+              [side]: { width, height },
+            }));
+          }
+        });
+        observer.observe(element);
+        observers.push(observer);
+      }
+    });
+
+    return () => {
+      observers.forEach((observer) => observer.disconnect());
+    };
+  }, [selectedZone.activeSides]);
+
+  const { isPlaying } = usePlayButtonStore();
+
+  return (
+    <>
+      {selectedZone.activeSides.map((side) => (
+        <div
+          key={side}
+          className={`panel ${side}-panel absolute ${isPlaying && ""}`}
+          style={getPanelStyle(side)}
+          onDrop={(e) => handleDrop(e, side)}
+          onDragOver={(e) => e.preventDefault()}
+          ref={(el) => {
+            if (el) {
+              panelRefs.current[side] = el;
+            } else {
+              delete panelRefs.current[side];
+            }
+          }}
+        >
+          <div
+            className={`panel-content ${isPlaying && "fullScreen"}`}
+            style={{
+              pointerEvents: selectedZone.lockedPanels.includes(side)
+                ? "none"
+                : "auto",
+              opacity: selectedZone.lockedPanels.includes(side) ? "0.8" : "1",
+            }}
+          >
+            <>{}</>
+            {selectedZone.widgets
+              .filter((w) => w.panel === side)
+              .map((widget) => (
+                <DraggableWidget widget={widget} key={widget.id} />
+              ))}
+          </div>
+        </div>
+      ))}
+    </>
+  );
+};
+
+export default Panel;