create default avatar, admin, and deleted user on first run

app/__init__.py

@@ -1,6 +1,43 @@
 from flask import Flask
 from dotenv import load_dotenv
+from .models import Avatars, Users
+from .auth import digest
+from .constants import PermissionLevel
 import os
+import time
+import secrets
+
+def create_default_avatar():
+    if Avatars.count() == 0:
+        print("Creating default avatar reference")
+        Avatars.create({
+            "file_path": "/static/avatars/default.webp",
+            "uploaded_at": int(time.time())
+            })
+
+def create_admin():
+    username = "admin"
+    if Users.count({"username": username}) == 0:
+        print("!!!!!Creating admin account!!!!!")
+        password_length = 16
+        password = secrets.token_urlsafe(password_length)
+        hashed = digest(password)
+        Users.create({
+            "username": username,
+            "password_hash": hashed,
+            "permission": PermissionLevel.ADMIN.value,
+        })
+        print(f"!!!!!Administrator account created, use '{username}' as the login and '{password}' as the password. This will only be shown once!!!!!")
+
+def create_deleted_user():
+    username = "DeletedUser"
+    if Users.count({"username": username}) == 0:
+        print("Creating DeletedUser")
+        Users.create({
+            "username": username,
+            "password_hash": "",
+            "permission": PermissionLevel.SYSTEM.value,
+        })
 
 def create_app():
     app = Flask(__name__)
@@ -22,6 +59,10 @@ def create_app():
         create_tables()
         run_migrations()
 
+        create_default_avatar()
+        create_admin()
+        create_deleted_user()
+
     from app.routes.app import bp as app_bp
     app.register_blueprint(app_bp)