main.py

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from backend.routers import profile, simulation, feedback, knowledge

from fastapi.exceptions import RequestValidationError
from fastapi.responses import JSONResponse

app = FastAPI(title="Loopback API", description="Relationship Simulation System Backend")

# Configure CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=["http://localhost:5173", "http://127.0.0.1:5173"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

@app.exception_handler(RequestValidationError)
async def validation_exception_handler(request, exc):
    print("VALIDATION ERROR DETAILS:", exc.errors())
    return JSONResponse(
        status_code=422,
        content={"detail": exc.errors()},
    )

# Include routers
app.include_router(profile.router, prefix="/api/profile", tags=["profile"])
app.include_router(simulation.router, prefix="/api/simulation", tags=["simulation"])
app.include_router(feedback.router, prefix="/api/feedback", tags=["feedback"])
app.include_router(knowledge.router, prefix="/api/knowledge", tags=["knowledge"])

@app.get("/")
async def root():
    return {"message": "Welcome to the Loopback Relationship Simulation API"}