feat:新增了切换账号的功能 (#89)

src/services/config.ts

@@ -6,6 +6,7 @@ export const CONFIG_KEYS = {
   DECRYPT_KEY: 'decryptKey',
   DB_PATH: 'dbPath',
   MY_WXID: 'myWxid',
+  WXID_CONFIGS: 'wxidConfigs',
   THEME: 'theme',
   THEME_ID: 'themeId',
   LAST_SESSION: 'lastSession',
@@ -31,6 +32,13 @@ export const CONFIG_KEYS = {
   EXPORT_DEFAULT_TXT_COLUMNS: 'exportDefaultTxtColumns'
 } as const
 
+export interface WxidConfig {
+  decryptKey?: string
+  imageXorKey?: number
+  imageAesKey?: string
+  updatedAt?: number
+}
+
 // 获取解密密钥
 export async function getDecryptKey(): Promise<string | null> {
   const value = await config.get(CONFIG_KEYS.DECRYPT_KEY)
@@ -64,6 +72,32 @@ export async function setMyWxid(wxid: string): Promise<void> {
   await config.set(CONFIG_KEYS.MY_WXID, wxid)
 }
 
+export async function getWxidConfigs(): Promise<Record<string, WxidConfig>> {
+  const value = await config.get(CONFIG_KEYS.WXID_CONFIGS)
+  if (value && typeof value === 'object') {
+    return value as Record<string, WxidConfig>
+  }
+  return {}
+}
+
+export async function getWxidConfig(wxid: string): Promise<WxidConfig | null> {
+  if (!wxid) return null
+  const configs = await getWxidConfigs()
+  return configs[wxid] || null
+}
+
+export async function setWxidConfig(wxid: string, configValue: WxidConfig): Promise<void> {
+  if (!wxid) return
+  const configs = await getWxidConfigs()
+  const previous = configs[wxid] || {}
+  configs[wxid] = {
+    ...previous,
+    ...configValue,
+    updatedAt: Date.now()
+  }
+  await config.set(CONFIG_KEYS.WXID_CONFIGS, configs)
+}
+
 // 获取主题
 export async function getTheme(): Promise<'light' | 'dark'> {
   const value = await config.get(CONFIG_KEYS.THEME)