1 files changed, 84 insertions, 0 deletions
diff --git a/src/stores/useFilesStore.ts b/src/stores/useFilesStore.ts
new file mode 100644
index 0000000..200fb68
--- /dev/null
+++ b/src/stores/useFilesStore.ts
@@ -0,0 +1,84 @@
+import { create } from 'zustand'
+import type { FileEntry } from '@/types'
+import { openDir, pickDirectory, writeFile, createDir } from '@/lib/tauri'
+
+interface FilesState {
+  fileTree: FileEntry[]
+  rootPath: string | null
+  loading: boolean
+  openFolder: () => Promise<void>
+  loadFolder: (path: string) => Promise<void>
+  createFile: (parentPath?: string) => Promise<string | null>
+  createFolder: (parentPath?: string) => Promise<string | null>
+}
+
+function generateName(base: string, existing: string[]): string {
+  const used = new Set(existing)
+  let name = base
+  let counter = 1
+  while (used.has(name)) {
+    name = `${base} ${counter++}`
+  }
+  return name
+}
+
+function collectNames(entries: FileEntry[]): string[] {
+  const names: string[] = []
+  for (const e of entries) {
+    names.push(e.name)
+  }
+  return names
+}
+
+export const useFilesStore = create<FilesState>((set, get) => ({
+  fileTree: [],
+  rootPath: null,
+  loading: false,
+
+  openFolder: async () => {
+    const path = await pickDirectory()
+    if (!path) return
+    set({ rootPath: path, loading: true })
+    localStorage.setItem('yace_last_folder', path)
+    try {
+      const entries = await openDir(path)
+      set({ fileTree: entries, loading: false })
+    } catch {
+      set({ loading: false })
+    }
+  },
+
+  loadFolder: async (path: string) => {
+    set({ loading: true })
+    try {
+      const entries = await openDir(path)
+      set({ fileTree: entries, rootPath: path, loading: false })
+    } catch {
+      set({ loading: false })
+    }
+  },
+
+  createFile: async (parentPath?: string): Promise<string | null> => {
+    const { rootPath, fileTree } = get()
+    if (!rootPath) return null
+    const targetDir = parentPath ?? rootPath
+    const name = generateName('Untitled-1', collectNames(fileTree))
+    const filePath = `${targetDir}\\${name}`
+    await writeFile(filePath, '')
+    const entries = await openDir(rootPath)
+    set({ fileTree: entries })
+    return filePath
+  },
+
+  createFolder: async (parentPath?: string): Promise<string | null> => {
+    const { rootPath, fileTree } = get()
+    if (!rootPath) return null
+    const targetDir = parentPath ?? rootPath
+    const name = generateName('New Folder', collectNames(fileTree))
+    const dirPath = `${targetDir}\\${name}`
+    await createDir(dirPath)
+    const entries = await openDir(rootPath)
+    set({ fileTree: entries })
+    return dirPath
+  },
+}))