feat: add credentials change feature. Fix #6.

custom_components/midea_auto_cloud/config_flow.py

@@ -71,8 +71,63 @@ class OptionsFlowHandler(config_entries.OptionsFlow):
         self._config_entry = config_entry
 
     async def async_step_init(self, user_input=None, error=None):
-        # 账号型条目不支持配置项
-        return self.async_abort(reason="account_unsupport_config")
-        # 不再提供任何可配置项
-        return self.async_abort(reason="account_unsupport_config")
-    # 不提供 reset/configure 等选项步骤
+        """初始化选项流程"""
+        if user_input is not None:
+            if user_input["option"] == "change_credentials":
+                return await self.async_step_change_credentials()
+        
+        return self.async_show_form(
+            step_id="init",
+            data_schema=vol.Schema({
+                vol.Required("option", default="change_credentials"): vol.In({
+                    "change_credentials": "修改账号密码",
+                    "reset": "重置配置", 
+                    "configure": "设备配置"
+                })
+            }),
+            errors=error
+        )
+
+    async def async_step_change_credentials(self, user_input=None, error=None):
+        """账号密码变更步骤"""
+        errors: dict[str, str] = {}
+        
+        if user_input is not None:
+            # 验证新密码
+            cloud = get_midea_cloud(
+                session=async_create_clientsession(self.hass),
+                cloud_name=CONF_SERVERS[user_input[CONF_SERVER]],
+                account=user_input[CONF_ACCOUNT],
+                password=user_input[CONF_PASSWORD]
+            )
+            try:
+                if await cloud.login():
+                    # 更新配置条目
+                    self.hass.config_entries.async_update_entry(
+                        self._config_entry,
+                        data={
+                            CONF_TYPE: CONF_ACCOUNT,
+                            CONF_ACCOUNT: user_input[CONF_ACCOUNT],
+                            CONF_PASSWORD: user_input[CONF_PASSWORD],
+                            CONF_SERVER: user_input[CONF_SERVER]
+                        }
+                    )
+                    return self.async_create_entry(title="", data={})
+                else:
+                    errors["base"] = "login_failed"
+            except Exception as e:
+                _LOGGER.exception("Login error: %s", e)
+                errors["base"] = "login_failed"
+        
+        # 获取当前配置
+        current_data = self._config_entry.data
+        
+        return self.async_show_form(
+            step_id="change_credentials",
+            data_schema=vol.Schema({
+                vol.Required(CONF_ACCOUNT, default=current_data.get(CONF_ACCOUNT, "")): str,
+                vol.Required(CONF_PASSWORD, default=""): str,
+                vol.Required(CONF_SERVER, default=current_data.get(CONF_SERVER, 2)): vol.In(CONF_SERVERS)
+            }),
+            errors=errors,
+        )