From b1fe063df3ceeabbd6d5312bf9b44e7e93c24ae1 Mon Sep 17 00:00:00 2001
From: Sebastian <krupinski01@gmail.com>
Date: Sun, 15 Feb 2026 21:36:00 -0500
Subject: [PATCH] feat: collection rename

Signed-off-by: Sebastian <krupinski01@gmail.com>
---
 src/components/FolderPageView.vue     | 161 ++++++++++++-----
 src/components/FolderTree.vue         |  25 +++
 src/components/FolderTreeNode.vue     |  30 ++++
 src/components/FolderTreeView.vue     |  15 ++
 src/components/RenameFolderDialog.vue | 247 ++++++++++++++++++++++++++
 5 files changed, 434 insertions(+), 44 deletions(-)
 create mode 100644 src/components/RenameFolderDialog.vue

diff --git a/src/components/FolderPageView.vue b/src/components/FolderPageView.vue
index 02ebfcc..73b108d 100644
--- a/src/components/FolderPageView.vue
+++ b/src/components/FolderPageView.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { ref, computed } from 'vue'
+import { ref } from 'vue'
 import type { CollectionObject } from '@MailManager/models/collection'
 import type { ServiceInterface } from '@MailManager/types/service'
 
@@ -18,14 +18,28 @@ const props = defineProps<Props>()
 const emit = defineEmits<{
   select: [folder: CollectionObject]
   createFolder: [service: ServiceInterface, parentFolder: CollectionObject | null]
+  editFolder: [service: ServiceInterface, folder: CollectionObject]
 }>()
 
-// Page-based navigation state
-const currentPageLevel = ref<(string | number | null)[]>([null]) // Stack of parent IDs (null = root)
+// Page-based navigation state per service account
+const pageLevels = ref<Record<string, (string | number | null)[]>>({})
+
+const getServiceKey = (service: ServiceInterface): string => {
+  return `${service.provider}-${service.identifier}`
+}
+
+const getCurrentPageLevel = (service: ServiceInterface): (string | number | null)[] => {
+  const key = getServiceKey(service)
+  if (!pageLevels.value[key]) {
+    pageLevels.value[key] = [null]
+  }
+  return pageLevels.value[key]
+}
 
 // Get folders for current page level
-const getCurrentPageFolders = (folders: CollectionObject[]): CollectionObject[] => {
-  const currentParent = currentPageLevel.value[currentPageLevel.value.length - 1]
+const getCurrentPageFolders = (service: ServiceInterface, folders: CollectionObject[]): CollectionObject[] => {
+  const level = getCurrentPageLevel(service)
+  const currentParent = level[level.length - 1]
   return folders.filter(f => {
     if (currentParent === null) {
       return f.collection === null || f.collection === undefined
@@ -95,29 +109,39 @@ const handleFolderClick = (folder: CollectionObject) => {
 }
 
 // Navigate into a folder to show its children
-const handleNavigateInto = (folderId: string | number) => {
-  currentPageLevel.value.push(folderId)
+const handleNavigateInto = (service: ServiceInterface, folderId: string | number) => {
+  const level = getCurrentPageLevel(service)
+  level.push(folderId)
 }
 
 // Navigate back in page-based view
-const navigateBack = () => {
-  if (currentPageLevel.value.length > 1) {
-    currentPageLevel.value.pop()
+const navigateBack = (service: ServiceInterface) => {
+  const level = getCurrentPageLevel(service)
+  if (level.length > 1) {
+    level.pop()
   }
 }
 
 // Get breadcrumb label for current page
-const getCurrentBreadcrumb = (folders: CollectionObject[]): string => {
-  const currentParent = currentPageLevel.value[currentPageLevel.value.length - 1]
+const getCurrentBreadcrumb = (service: ServiceInterface, folders: CollectionObject[]): string => {
+  const level = getCurrentPageLevel(service)
+  const currentParent = level[level.length - 1]
   if (currentParent === null) return 'All Folders'
-  
-  const parentFolder = folders.find(f => String(f.identifier) === String(currentParent))
-  return parentFolder?.properties.label || 'Folders'
+
+  const labels = level
+    .filter((id): id is string | number => id !== null)
+    .map(id => folders.find(f => String(f.identifier) === String(id))?.properties.label)
+    .filter((label): label is string => !!label)
+
+  if (labels.length === 0) return 'Folders'
+  if (labels.length <= 2) return labels.join('/')
+  return `../${labels.slice(-2).join('/')}`
 }
 
 // Get current parent folder for dialog context
-const getCurrentParentFolder = (folders: CollectionObject[]): CollectionObject | null => {
-  const currentParent = currentPageLevel.value[currentPageLevel.value.length - 1]
+const getCurrentParentFolder = (service: ServiceInterface, folders: CollectionObject[]): CollectionObject | null => {
+  const level = getCurrentPageLevel(service)
+  const currentParent = level[level.length - 1]
   if (currentParent === null) return null
   
   // Search through all folders in the array
@@ -125,18 +149,20 @@ const getCurrentParentFolder = (folders: CollectionObject[]): CollectionObject |
   return found || null
 }
 
-// Computed helper to get all folders from all service groups
-const allFolders = computed(() => props.serviceGroups.flatMap(g => g.folders))
 </script>
 
 <template>
   <div>
-    <template v-for="group in serviceGroups" :key="`${group.service.provider}-${group.service.identifier}`">
+    <template v-for="(group, index) in serviceGroups" :key="`${group.service.provider}-${group.service.identifier}`">
       <!-- Service account group -->
-      <v-list-group v-if="serviceGroups.length > 1">
+      <v-list-group
+        v-if="serviceGroups.length > 1"
+        :class="['no-indent', { 'account-group-spaced': index < serviceGroups.length - 1 }]"
+      >
         <template v-slot:activator="{ props: activatorProps }">
           <v-list-item
             v-bind="activatorProps"
+            class="account-header-item"
             :title="group.service.label || 'Mail Account'"
             :subtitle="group.service.primaryAddress || undefined"
           >
@@ -150,7 +176,7 @@ const allFolders = computed(() => props.serviceGroups.flatMap(g => g.folders))
                 variant="text"
                 size="small"
                 density="compact"
-                @click.stop="emit('createFolder', group.service, getCurrentParentFolder(allFolders))"
+                @click.stop="emit('createFolder', group.service, getCurrentParentFolder(group.service, group.folders))"
               >
                 <v-icon>mdi-folder-plus</v-icon>
                 <v-tooltip activator="parent" location="bottom">New Folder</v-tooltip>
@@ -159,32 +185,34 @@ const allFolders = computed(() => props.serviceGroups.flatMap(g => g.folders))
           </v-list-item>
         </template>
 
-        <!-- Back button if not at root -->
-        <v-list-item
-          v-if="currentPageLevel.length > 1"
-          @click="navigateBack"
-          prepend-icon="mdi-arrow-left"
-          title="Back"
-        />
-
         <!-- Breadcrumb with New Folder button -->
-        <v-list-subheader v-if="currentPageLevel.length > 1" class="d-flex align-center">
-          <span class="flex-grow-1">{{ getCurrentBreadcrumb(group.folders) }}</span>
+        <v-list-subheader v-if="getCurrentPageLevel(group.service).length > 1" class="d-flex align-center">
+          <span class="flex-grow-1">{{ getCurrentBreadcrumb(group.service, group.folders) }}</span>
           <v-btn
             icon="mdi-folder-plus"
             variant="text"
             size="x-small"
-            @click="emit('createFolder', group.service, getCurrentParentFolder(allFolders))"
+            @click="emit('createFolder', group.service, getCurrentParentFolder(group.service, group.folders))"
           >
             <v-icon size="small">mdi-folder-plus</v-icon>
             <v-tooltip activator="parent" location="bottom">New Subfolder</v-tooltip>
           </v-btn>
         </v-list-subheader>
 
+        <!-- Back button if not at root -->
+        <v-list-item
+          v-if="getCurrentPageLevel(group.service).length > 1"
+          class="back-row-item"
+          @click="navigateBack(group.service)"
+          prepend-icon="mdi-arrow-left"
+          title="Back"
+        />
+
         <!-- Current level folders -->
         <v-list-item
-          v-for="folder in getCurrentPageFolders(group.folders)"
+          v-for="folder in getCurrentPageFolders(group.service, group.folders)"
           :key="`${folder.provider}-${folder.service}-${folder.identifier}`"
+          class="folder-page-item folder-row-item"
           :title="folder.properties.label"
           :active="isSelected(folder)"
           @click="handleFolderClick(folder)"
@@ -213,11 +241,11 @@ const allFolders = computed(() => props.serviceGroups.flatMap(g => g.folders))
               variant="text"
               size="small"
               density="compact"
-              @click.stop="handleNavigateInto(folder.identifier)"
+              @click.stop="handleNavigateInto(group.service, folder.identifier)"
             />
             
             <!-- Menu for folder actions -->
-            <v-menu v-else>
+            <v-menu>
               <template v-slot:activator="{ props: menuProps }">
                 <v-btn
                   v-bind="menuProps"
@@ -230,6 +258,12 @@ const allFolders = computed(() => props.serviceGroups.flatMap(g => g.folders))
               </template>
               
               <v-list density="compact">
+                <v-list-item
+                  prepend-icon="mdi-pencil"
+                  @click="emit('editFolder', group.service, folder)"
+                >
+                  <v-list-item-title>Edit Folder Name</v-list-item-title>
+                </v-list-item>
                 <v-list-item
                   prepend-icon="mdi-folder-plus"
                   @click="emit('createFolder', group.service, folder)"
@@ -247,33 +281,35 @@ const allFolders = computed(() => props.serviceGroups.flatMap(g => g.folders))
         <!-- Header with New Folder button -->
         <v-list-subheader class="d-flex align-center">
           <span class="flex-grow-1">
-            {{ currentPageLevel.length > 1 ? getCurrentBreadcrumb(group.folders) : 'FOLDERS' }}
+            {{ getCurrentPageLevel(group.service).length > 1 ? getCurrentBreadcrumb(group.service, group.folders) : 'FOLDERS' }}
           </span>
           <v-btn
             icon="mdi-folder-plus"
             variant="text"
             size="x-small"
-            @click="emit('createFolder', group.service, getCurrentParentFolder(allFolders))"
+            @click="emit('createFolder', group.service, getCurrentParentFolder(group.service, group.folders))"
           >
             <v-icon size="small">mdi-folder-plus</v-icon>
             <v-tooltip activator="parent" location="bottom">
-              {{ currentPageLevel.length > 1 ? 'New Subfolder' : 'New Folder' }}
+              {{ getCurrentPageLevel(group.service).length > 1 ? 'New Subfolder' : 'New Folder' }}
             </v-tooltip>
           </v-btn>
         </v-list-subheader>
         
         <!-- Back button if not at root -->
         <v-list-item
-          v-if="currentPageLevel.length > 1"
-          @click="navigateBack"
+          v-if="getCurrentPageLevel(group.service).length > 1"
+          class="back-row-item"
+          @click="navigateBack(group.service)"
           prepend-icon="mdi-arrow-left"
           title="Back"
         />
 
         <!-- Current level folders -->
         <v-list-item
-          v-for="folder in getCurrentPageFolders(group.folders)"
+          v-for="folder in getCurrentPageFolders(group.service, group.folders)"
           :key="`${folder.provider}-${folder.service}-${folder.identifier}`"
+          class="folder-row-item"
           :title="folder.properties.label"
           :active="isSelected(folder)"
           @click="handleFolderClick(folder)"
@@ -302,10 +338,10 @@ const allFolders = computed(() => props.serviceGroups.flatMap(g => g.folders))
               variant="text"
               size="small"
               density="compact"
-              @click.stop="handleNavigateInto(folder.identifier)"
+              @click.stop="handleNavigateInto(group.service, folder.identifier)"
             />
             
-            <v-menu v-else>
+            <v-menu>
               <template v-slot:activator="{ props: menuProps }">
                 <v-btn
                   v-bind="menuProps"
@@ -318,6 +354,12 @@ const allFolders = computed(() => props.serviceGroups.flatMap(g => g.folders))
               </template>
               
               <v-list density="compact">
+                <v-list-item
+                  prepend-icon="mdi-pencil"
+                  @click="emit('editFolder', group.service, folder)"
+                >
+                  <v-list-item-title>Edit Folder Name</v-list-item-title>
+                </v-list-item>
                 <v-list-item
                   prepend-icon="mdi-folder-plus"
                   @click="emit('createFolder', group.service, folder)"
@@ -337,4 +379,35 @@ const allFolders = computed(() => props.serviceGroups.flatMap(g => g.folders))
 .v-list-item--active {
   background-color: rgba(var(--v-theme-primary), 0.12);
 }
+
+/* Keep folder rows left-aligned inside multi-account groups */
+.folder-page-item {
+  --indent-padding: 0 !important;
+}
+
+.no-indent :deep(.v-list-group__items) {
+  --indent-padding: 0;
+}
+
+.account-group-spaced {
+  margin-bottom: 16px;
+}
+
+.account-header-item {
+  background-color: rgba(var(--v-theme-primary), 0.1);
+  border-radius: 6px;
+}
+
+.folder-row-item,
+.back-row-item,
+.account-header-item {
+  --v-list-item-prepend-size: 22px;
+}
+
+.folder-row-item :deep(.v-list-item__prepend),
+.back-row-item :deep(.v-list-item__prepend),
+.account-header-item :deep(.v-list-item__prepend) {
+  padding-inline-start: 4px;
+  margin-inline-end: 2px;
+}
 </style>
diff --git a/src/components/FolderTree.vue b/src/components/FolderTree.vue
index ea7f037..6f11720 100644
--- a/src/components/FolderTree.vue
+++ b/src/components/FolderTree.vue
@@ -6,6 +6,7 @@ import { useUser } from '@KTXC/composables/useUser'
 import FolderTreeView from './FolderTreeView.vue'
 import FolderPageView from './FolderPageView.vue'
 import CreateFolderDialog from './CreateFolderDialog.vue'
+import RenameFolderDialog from './RenameFolderDialog.vue'
 import type { CollectionObject } from '@MailManager/models/collection'
 import type { ServiceInterface } from '@MailManager/types/service'
 
@@ -40,6 +41,9 @@ const folderViewMode = computed(() => {
 const createDialogVisible = ref(false)
 const createDialogService = ref<ServiceInterface | null>(null)
 const createDialogParent = ref<CollectionObject | null>(null)
+const renameDialogVisible = ref(false)
+const renameDialogService = ref<ServiceInterface | null>(null)
+const renameDialogFolder = ref<CollectionObject | null>(null)
 
 // Handle create folder event from child components
 const handleCreateFolder = (service: ServiceInterface, parentFolder: CollectionObject | null = null) => {
@@ -54,6 +58,16 @@ const handleFolderCreated = (newFolder: CollectionObject) => {
   emit('select', newFolder)
 }
 
+const handleEditFolder = (service: ServiceInterface, folder: CollectionObject) => {
+  renameDialogService.value = service
+  renameDialogFolder.value = folder
+  renameDialogVisible.value = true
+}
+
+const handleFolderRenamed = (updatedFolder: CollectionObject) => {
+  emit('select', updatedFolder)
+}
+
 // Computed: all folders for validation
 const allFolders = computed(() => 
   serviceGroups.value.flatMap(g => g.folders)
@@ -136,6 +150,7 @@ const serviceGroups = computed(() => {
       :service-groups="serviceGroups"
       @select="emit('select', $event)"
       @create-folder="handleCreateFolder"
+      @edit-folder="handleEditFolder"
     />
 
     <!-- Page-based View -->
@@ -145,6 +160,7 @@ const serviceGroups = computed(() => {
       :service-groups="serviceGroups"
       @select="emit('select', $event)"
       @create-folder="handleCreateFolder"
+      @edit-folder="handleEditFolder"
     />
 
     <!-- Empty state -->
@@ -164,6 +180,15 @@ const serviceGroups = computed(() => {
     :all-folders="allFolders"
     @created="handleFolderCreated"
   />
+
+  <RenameFolderDialog
+    v-if="renameDialogService && renameDialogFolder"
+    v-model="renameDialogVisible"
+    :service="renameDialogService"
+    :folder="renameDialogFolder"
+    :all-folders="allFolders"
+    @updated="handleFolderRenamed"
+  />
 </template>
 
 <style scoped>
diff --git a/src/components/FolderTreeNode.vue b/src/components/FolderTreeNode.vue
index 05a231c..ce20912 100644
--- a/src/components/FolderTreeNode.vue
+++ b/src/components/FolderTreeNode.vue
@@ -18,6 +18,7 @@ const props = defineProps<Props>()
 const emit = defineEmits<{
   select: [folder: CollectionObject]
   createSubfolder: [service: ServiceInterface, parentFolder: CollectionObject]
+  editFolder: [service: ServiceInterface, folder: CollectionObject]
 }>()
 
 // Get icon for folder based on role
@@ -76,6 +77,7 @@ const isSelected = (folder: CollectionObject): boolean => {
     <template v-slot:activator="{ props: activatorProps }">
       <v-list-item
         v-bind="activatorProps"
+        class="folder-row-item"
         :title="node.folder.properties.label"
         :active="isSelected(node.folder)"
         @click.stop="emit('select', node.folder)"
@@ -112,6 +114,12 @@ const isSelected = (folder: CollectionObject): boolean => {
             </template>
             
             <v-list density="compact">
+              <v-list-item
+                prepend-icon="mdi-pencil"
+                @click="emit('editFolder', service, node.folder)"
+              >
+                <v-list-item-title>Edit Folder Name</v-list-item-title>
+              </v-list-item>
               <v-list-item
                 prepend-icon="mdi-folder-plus"
                 @click="emit('createSubfolder', service, node.folder)"
@@ -133,12 +141,14 @@ const isSelected = (folder: CollectionObject): boolean => {
         :selected-folder="selectedFolder"
         @select="emit('select', $event)"
         @create-subfolder="(service, parentFolder) => emit('createSubfolder', service, parentFolder)"
+        @edit-folder="(service, folder) => emit('editFolder', service, folder)"
       />
     </div>
   </v-list-group>
 
   <v-list-item
     v-else
+    class="folder-tree-item folder-row-item"
     :title="node.folder.properties.label"
     :active="isSelected(node.folder)"
     @click="emit('select', node.folder)"
@@ -175,6 +185,12 @@ const isSelected = (folder: CollectionObject): boolean => {
         </template>
         
         <v-list density="compact">
+          <v-list-item
+            prepend-icon="mdi-pencil"
+            @click="emit('editFolder', service, node.folder)"
+          >
+            <v-list-item-title>Edit Folder Name</v-list-item-title>
+          </v-list-item>
           <v-list-item
             prepend-icon="mdi-folder-plus"
             @click="emit('createSubfolder', service, node.folder)"
@@ -198,6 +214,11 @@ export default {
   background-color: rgba(var(--v-theme-primary), 0.12);
 }
 
+/* Keep top-level leaf folders aligned with expandable folders */
+.folder-tree-item {
+  --indent-padding: 0 !important;
+}
+
 /* Remove indentation for the folder-tree-group itself */
 .folder-tree-group {
   --indent-padding: 0 !important;
@@ -208,6 +229,15 @@ export default {
   --indent-padding: 0;
 }
 
+.folder-row-item {
+  --v-list-item-prepend-size: 22px;
+}
+
+.folder-row-item :deep(.v-list-item__prepend) {
+  padding-inline-start: 4px;
+  margin-inline-end: 2px;
+}
+
 /* Add visual indicator for nested items */
 .folder-tree-children {
   position: relative;
diff --git a/src/components/FolderTreeView.vue b/src/components/FolderTreeView.vue
index 14c2c9b..0d48028 100644
--- a/src/components/FolderTreeView.vue
+++ b/src/components/FolderTreeView.vue
@@ -25,6 +25,7 @@ const props = defineProps<Props>()
 const emit = defineEmits<{
   select: [folder: CollectionObject]
   createFolder: [service: ServiceInterface, parentFolder: CollectionObject | null]
+  editFolder: [service: ServiceInterface, folder: CollectionObject]
 }>()
 </script>
 
@@ -36,6 +37,7 @@ const emit = defineEmits<{
         <template v-slot:activator="{ props: activatorProps }">
           <v-list-item
             v-bind="activatorProps"
+            class="account-header-item"
             :title="group.service.label || 'Mail Account'"
             :subtitle="group.service.primaryAddress || undefined"
           >
@@ -66,6 +68,7 @@ const emit = defineEmits<{
           :selected-folder="selectedFolder"
           @select="emit('select', $event)"
           @create-subfolder="(service, parentFolder) => emit('createFolder', service, parentFolder)"
+          @edit-folder="(service, folder) => emit('editFolder', service, folder)"
         />
       </v-list-group>
 
@@ -93,6 +96,7 @@ const emit = defineEmits<{
           :selected-folder="selectedFolder"
           @select="emit('select', $event)"
           @create-subfolder="(service, parentFolder) => emit('createFolder', service, parentFolder)"
+          @edit-folder="(service, folder) => emit('editFolder', service, folder)"
         />
       </template>
     </template>
@@ -103,4 +107,15 @@ const emit = defineEmits<{
 .v-list-item--active {
   background-color: rgba(var(--v-theme-primary), 0.12);
 }
+
+.account-header-item {
+  --v-list-item-prepend-size: 22px;
+  background-color: rgba(var(--v-theme-primary), 0.1);
+  border-radius: 6px;
+}
+
+.account-header-item :deep(.v-list-item__prepend) {
+  padding-inline-start: 4px;
+  margin-inline-end: 2px;
+}
 </style>
diff --git a/src/components/RenameFolderDialog.vue b/src/components/RenameFolderDialog.vue
new file mode 100644
index 0000000..ec26b45
--- /dev/null
+++ b/src/components/RenameFolderDialog.vue
@@ -0,0 +1,247 @@
+<script setup lang="ts">
+import { ref, computed, watch } from 'vue'
+import { useCollectionsStore } from '@MailManager/stores/collectionsStore'
+import { CollectionPropertiesObject } from '@MailManager/models/collection'
+import type { CollectionObject } from '@MailManager/models/collection'
+import type { ServiceInterface } from '@MailManager/types/service'
+
+interface Props {
+  modelValue: boolean
+  service: ServiceInterface
+  folder: CollectionObject
+  allFolders?: CollectionObject[]
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  allFolders: () => []
+})
+
+const emit = defineEmits<{
+  'update:modelValue': [value: boolean]
+  updated: [folder: CollectionObject]
+}>()
+
+const collectionsStore = useCollectionsStore()
+
+const folderName = ref('')
+const loading = ref(false)
+const errorMessage = ref('')
+const validationErrors = ref<string[]>([])
+
+const dialogValue = computed({
+  get: () => props.modelValue,
+  set: (value: boolean) => emit('update:modelValue', value)
+})
+
+const isValid = computed(() => {
+  return folderName.value.trim().length > 0 && validationErrors.value.length === 0
+})
+
+const parentFolderLabel = computed(() => {
+  const parentId = props.folder.collection
+  if (parentId === null || parentId === undefined) return 'Root'
+
+  const parent = props.allFolders.find(
+    f =>
+      String(f.identifier) === String(parentId) &&
+      f.provider === props.folder.provider &&
+      String(f.service) === String(props.folder.service)
+  )
+
+  return parent?.properties.label || 'Root'
+})
+
+const validateFolderName = (name: string): string[] => {
+  const errors: string[] = []
+
+  if (!name || name.trim().length === 0) {
+    errors.push('Folder name is required')
+    return errors
+  }
+
+  if (name.length > 255) {
+    errors.push('Folder name too long (max 255 characters)')
+  }
+
+  if (/[<>:"|?*\x00-\x1F]/.test(name)) {
+    errors.push('Folder name contains invalid characters')
+  }
+
+  if (props.service.provider === 'imap' && /[\/\\]/.test(name)) {
+    errors.push('IMAP folder names cannot contain / or \\')
+  }
+
+  if (name !== name.trim()) {
+    errors.push('Folder name cannot have leading or trailing spaces')
+  }
+
+  return errors
+}
+
+const checkDuplicateName = (name: string): boolean => {
+  const parentId = props.folder.collection ?? null
+  return props.allFolders.some(f => {
+    if (String(f.identifier) === String(props.folder.identifier)) return false
+    return (
+      f.properties.label === name &&
+      String(f.collection) === String(parentId) &&
+      f.provider === props.folder.provider &&
+      String(f.service) === String(props.folder.service)
+    )
+  })
+}
+
+watch(folderName, (newName) => {
+  errorMessage.value = ''
+  validationErrors.value = validateFolderName(newName)
+
+  if (validationErrors.value.length === 0 && newName.trim().length > 0 && checkDuplicateName(newName)) {
+    validationErrors.value.push('A folder with this name already exists in this location')
+  }
+})
+
+function resetForm() {
+  folderName.value = props.folder.properties.label || ''
+  errorMessage.value = ''
+  validationErrors.value = []
+  loading.value = false
+}
+
+watch(dialogValue, (isOpen) => {
+  if (isOpen) {
+    resetForm()
+  }
+}, { immediate: true })
+
+const handleRename = async () => {
+  const errors = validateFolderName(folderName.value)
+  if (errors.length > 0) {
+    validationErrors.value = errors
+    return
+  }
+
+  if (checkDuplicateName(folderName.value)) {
+    validationErrors.value = ['A folder with this name already exists in this location']
+    return
+  }
+
+  const newName = folderName.value.trim()
+  if (newName === props.folder.properties.label) {
+    dialogValue.value = false
+    return
+  }
+
+  loading.value = true
+  errorMessage.value = ''
+
+  try {
+    const properties = new CollectionPropertiesObject()
+    properties.label = newName
+    properties.rank = props.folder.properties.rank ?? 0
+    properties.subscribed = props.folder.properties.subscribed ?? true
+
+    const updatedFolder = await collectionsStore.update(
+      props.folder.provider,
+      props.folder.service,
+      props.folder.identifier,
+      properties
+    )
+
+    emit('updated', updatedFolder)
+    dialogValue.value = false
+    resetForm()
+  } catch (error: any) {
+    console.error('[RenameFolderDialog] Failed to rename folder:', error)
+    errorMessage.value = error.message || 'Failed to rename folder. Please try again.'
+  } finally {
+    loading.value = false
+  }
+}
+
+const handleCancel = () => {
+  dialogValue.value = false
+  resetForm()
+}
+</script>
+
+<template>
+  <v-dialog
+    v-model="dialogValue"
+    max-width="500"
+    persistent
+  >
+    <v-card>
+      <v-card-title class="text-h5">
+        Rename Folder
+      </v-card-title>
+
+      <v-card-text>
+        <div class="mb-4">
+          <div class="text-caption text-medium-emphasis">Account</div>
+          <div class="text-body-2">
+            {{ service.label || service.primaryAddress || 'Mail Account' }}
+          </div>
+        </div>
+
+        <div class="mb-4">
+          <div class="text-caption text-medium-emphasis">Location</div>
+          <div class="text-body-2">
+            {{ parentFolderLabel }}
+          </div>
+        </div>
+
+        <v-text-field
+          v-model="folderName"
+          label="Folder Name"
+          placeholder="Enter folder name"
+          variant="outlined"
+          autofocus
+          :error-messages="validationErrors"
+          :disabled="loading"
+          @keyup.enter="isValid && handleRename()"
+        />
+
+        <v-alert
+          v-if="errorMessage"
+          type="error"
+          variant="tonal"
+          density="compact"
+          class="mt-2"
+        >
+          {{ errorMessage }}
+        </v-alert>
+      </v-card-text>
+
+      <v-card-actions>
+        <v-spacer />
+
+        <v-btn
+          variant="text"
+          :disabled="loading"
+          @click="handleCancel"
+        >
+          Cancel
+        </v-btn>
+
+        <v-btn
+          color="primary"
+          variant="elevated"
+          :loading="loading"
+          :disabled="!isValid"
+          @click="handleRename"
+        >
+          Save
+        </v-btn>
+      </v-card-actions>
+    </v-card>
+  </v-dialog>
+</template>
+
+<style scoped>
+.text-caption {
+  font-size: 0.75rem;
+  font-weight: 500;
+  text-transform: uppercase;
+  letter-spacing: 0.0333em;
+}
+</style>
-- 
2.39.5