From e7959a4b2478ac0772191f8b5fef6da960cbcf8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6ren=20Beye?= <github@hypfer.de>
Date: Tue, 3 Jan 2023 11:37:37 +0100
Subject: [PATCH] feat: Add action to reset the config to defaults

---
 backend/lib/Configuration.js                   | 18 ++++++++++++++++--
 backend/lib/webserver/ValetudoRouter.js        | 10 ++++++++++
 .../webserver/doc/ValetudoRouter.openapi.json  | 17 ++++++++++++++++-
 3 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/backend/lib/Configuration.js b/backend/lib/Configuration.js
index 3e072a498f..266431befc 100644
--- a/backend/lib/Configuration.js
+++ b/backend/lib/Configuration.js
@@ -15,7 +15,7 @@ class Configuration {
     constructor() {
         /** @private */
         this.eventEmitter = new EventEmitter();
-        this.settings = DEFAULT_SETTINGS;
+        this.settings = structuredClone(DEFAULT_SETTINGS);
 
         this.location = process.env.VALETUDO_CONFIG_PATH ?? path.join(os.tmpdir(), "valetudo_config.json");
 
@@ -38,7 +38,7 @@ class Configuration {
      * @param {string} key
      * @param {string|object} val
      */
-    set(key, val) { //TODO: set nested
+    set(key, val) {
         this.settings[key] = val;
 
         this.persist();
@@ -124,6 +124,20 @@ class Configuration {
         }
     }
 
+    /**
+     * @public
+     */
+    reset() {
+        Logger.info("Restoring config to default settings.");
+
+        this.settings = structuredClone(DEFAULT_SETTINGS);
+        this.persist();
+
+        Object.keys(this.settings).forEach(key => {
+            this.eventEmitter.emit(CONFIG_UPDATE_EVENT, key);
+        });
+    }
+
     /**
      * @private
      */
diff --git a/backend/lib/webserver/ValetudoRouter.js b/backend/lib/webserver/ValetudoRouter.js
index 8f97bff848..1b9f1eb739 100644
--- a/backend/lib/webserver/ValetudoRouter.js
+++ b/backend/lib/webserver/ValetudoRouter.js
@@ -51,6 +51,16 @@ class ValetudoRouter {
                         }
                         break;
                     }
+                    case "restoreDefaultConfiguration": {
+                        if (this.config.get("embedded") === true) {
+                            this.config.reset();
+                        } else {
+                            // noinspection ExceptionCaughtLocallyJS
+                            throw new Error("Refusing to restore config to defaults as we're not embedded.");
+                        }
+
+                        break;
+                    }
                     default:
                         // noinspection ExceptionCaughtLocallyJS
                         throw new Error("Invalid action");
diff --git a/backend/lib/webserver/doc/ValetudoRouter.openapi.json b/backend/lib/webserver/doc/ValetudoRouter.openapi.json
index 62c0556461..c37aa75720 100644
--- a/backend/lib/webserver/doc/ValetudoRouter.openapi.json
+++ b/backend/lib/webserver/doc/ValetudoRouter.openapi.json
@@ -46,10 +46,25 @@
                 "action": {
                   "type": "string",
                   "enum": [
-                    "dismissWelcomeDialog"
+                    "dismissWelcomeDialog",
+                    "restoreDefaultConfiguration"
                   ]
                 }
               }
+            },
+            "examples": {
+              "dismiss_welcome_dialog": {
+                "description": "Dismiss the OOBE welcome dialog",
+                "value": {
+                  "action": "dismissWelcomeDialog"
+                }
+              },
+              "restore_default_configuration": {
+                "description": "Restore the default configuration",
+                "value": {
+                  "action": "restoreDefaultConfiguration"
+                }
+              }
             }
           }
         }