From ce33001b1ee8e71ef0b5a8444b745d7d65e1f137 Mon Sep 17 00:00:00 2001
From: Leopoldadmin <leopold.hammerschmidt@media-on.de>
Date: Mon, 22 Jun 2026 21:12:07 +0000
Subject: [PATCH] Add public method placeChairsOnSelectedTables() and update ID
 generation to use crypto.randomUUID()

---
 .../tools/drawing/AutoChairPlacementTool.ts   | 31 ++++++++++++++++---
 1 file changed, 26 insertions(+), 5 deletions(-)

diff --git a/frontend/src/tools/drawing/AutoChairPlacementTool.ts b/frontend/src/tools/drawing/AutoChairPlacementTool.ts
index 80a93be..c9545cc 100644
--- a/frontend/src/tools/drawing/AutoChairPlacementTool.ts
+++ b/frontend/src/tools/drawing/AutoChairPlacementTool.ts
@@ -52,7 +52,7 @@ class AutoChairPlacementTool extends Tool {
       
       // Top side
       this.yjsDoc.createElement({
-        id: Date.now().toString() + '_chair_top_' + i,
+        id: crypto.randomUUID() + '_chair_top_' + i,
         type: 'chair',
         layerId: 'default',
         x: x + positionRatio * width - chairWidth / 2,
@@ -64,7 +64,7 @@ class AutoChairPlacementTool extends Tool {
       
       // Bottom side
       this.yjsDoc.createElement({
-        id: Date.now().toString() + '_chair_bottom_' + i,
+        id: crypto.randomUUID() + '_chair_bottom_' + i,
         type: 'chair',
         layerId: 'default',
         x: x + positionRatio * width - chairWidth / 2,
@@ -81,7 +81,7 @@ class AutoChairPlacementTool extends Tool {
       
       // Left side
       this.yjsDoc.createElement({
-        id: Date.now().toString() + '_chair_left_' + i,
+        id: crypto.randomUUID() + '_chair_left_' + i,
         type: 'chair',
         layerId: 'default',
         x: x - this.chairSpacing - chairWidth,
@@ -93,7 +93,7 @@ class AutoChairPlacementTool extends Tool {
       
       // Right side
       this.yjsDoc.createElement({
-        id: Date.now().toString() + '_chair_right_' + i,
+        id: crypto.randomUUID() + '_chair_right_' + i,
         type: 'chair',
         layerId: 'default',
         x: x + width + this.chairSpacing,
@@ -118,7 +118,7 @@ class AutoChairPlacementTool extends Tool {
       const chairY = centerY + (radius + this.chairSpacing) * Math.sin(angle) - chairHeight / 2;
       
       this.yjsDoc.createElement({
-        id: Date.now().toString() + '_chair_' + i,
+        id: crypto.randomUUID() + '_chair_' + i,
         type: 'chair',
         layerId: 'default',
         x: chairX,
@@ -130,6 +130,27 @@ class AutoChairPlacementTool extends Tool {
     }
   }
 
+  // Place chairs on selected tables
+  placeChairsOnSelectedTables(selectedTableIds: string[]): void {
+    // Get all elements from the document
+    const elements = this.yjsDoc.getElements();
+    
+    // Filter for selected tables
+    const selectedTables = elements.filter(element => 
+      selectedTableIds.includes(element.id) && 
+      (element.type === 'rectangular_table' || element.type === 'round_table')
+    );
+    
+    // Place chairs around each selected table
+    selectedTables.forEach(table => {
+      if (table.type === 'rectangular_table') {
+        this.placeChairsAroundRectangularTable(table);
+      } else if (table.type === 'round_table') {
+        this.placeChairsAroundRoundTable(table);
+      }
+    });
+  }
+
   // Set chair spacing
   setChairSpacing(spacing: number): void {
     this.chairSpacing = spacing;