Added init endpoint.

backend/app/main.py

@@ -1,8 +1,13 @@
-from fastapi import FastAPI
+from fastapi import FastAPI, Depends
 from fastapi.middleware.cors import CORSMiddleware
 from contextlib import asynccontextmanager
-from app.database import init_db
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, func
+from decimal import Decimal
+from app.database import init_db, get_db
 from app.routers import auth, users, wallet, bets, websocket, admin, sport_events, spread_bets, gamification, matches
+from app.models import User, Wallet
+from app.utils.security import get_password_hash
 
 
 @asynccontextmanager
@@ -50,3 +55,64 @@ async def root():
 @app.get("/health")
 async def health():
     return {"status": "healthy"}
+
+
+@app.get("/init")
+async def init_admin(db: AsyncSession = Depends(get_db)):
+    """
+    Initialize the application with a default admin user.
+    Only works if no admin users exist in the database.
+    Creates: admin@test.com / password123
+    """
+    # Check if any admin users exist
+    result = await db.execute(
+        select(func.count(User.id)).where(User.is_admin == True)
+    )
+    admin_count = result.scalar()
+
+    if admin_count > 0:
+        return {
+            "success": False,
+            "message": "Admin user(s) already exist. Initialization skipped.",
+            "admin_count": admin_count
+        }
+
+    # Check if user with this email already exists
+    existing = await db.execute(
+        select(User).where(User.email == "admin@test.com")
+    )
+    if existing.scalar_one_or_none():
+        return {
+            "success": False,
+            "message": "User with email admin@test.com already exists but is not an admin."
+        }
+
+    # Create admin user
+    admin_user = User(
+        email="admin@test.com",
+        username="admin",
+        password_hash=get_password_hash("password123"),
+        display_name="Administrator",
+        is_admin=True,
+    )
+    db.add(admin_user)
+    await db.flush()
+
+    # Create wallet for admin
+    wallet = Wallet(
+        user_id=admin_user.id,
+        balance=Decimal("10000.00"),
+        escrow=Decimal("0.00"),
+    )
+    db.add(wallet)
+
+    await db.commit()
+
+    return {
+        "success": True,
+        "message": "Admin user created successfully",
+        "credentials": {
+            "email": "admin@test.com",
+            "password": "password123"
+        }
+    }