import sys
import io

# Force console standard streams to use UTF-8 to prevent Windows CP1252/charmap encoding crashes
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8")
sys.stderr = io.TextIOWrapper(sys.stderr.buffer, encoding="utf-8")

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from app.config import settings
from app.schemas import MessageResponse, HealthResponse
from app.routes import (
    auth,
    upload,
    ocr,
    text_cleaning,
    llm_extraction,
    embeddings,
    search,
    chatbot,
    analytics,
)

app = FastAPI(
    title=settings.APP_NAME,
    description="AI-Based Pathology Report Management",
    debug=settings.DEBUG,
)

# Allow frontend (React/Flutter/Mobile) to call this API
app.add_middleware(
    CORSMiddleware,
    allow_origin_regex="https?://.*",
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Include routers
app.include_router(auth.router)
app.include_router(upload.router)
app.include_router(ocr.router)
app.include_router(text_cleaning.router)
app.include_router(llm_extraction.router)
app.include_router(embeddings.router)
app.include_router(search.router)
app.include_router(chatbot.router)
app.include_router(analytics.router)


@app.get("/", response_model=MessageResponse)
async def root():
    return {"message": "Hello"}


@app.get("/health", response_model=HealthResponse)
async def health_check():
    return {"status": "ok", "message": "System is healthy"}