import platform
import dotenv
from application.celery_init import celery
from flask import Flask, request, redirect
from application.core.settings import settings
from application.api.user.routes import user
from application.api.answer.routes import answer
from application.api.internal.routes import internal

if platform.system() == "Windows":
    import pathlib
    pathlib.PosixPath = pathlib.WindowsPath

dotenv.load_dotenv()

app = Flask(__name__)
app.register_blueprint(user)
app.register_blueprint(answer)
app.register_blueprint(internal)
app.config.update(
    UPLOAD_FOLDER="inputs",
    CELERY_BROKER_URL=settings.CELERY_BROKER_URL,
    CELERY_RESULT_BACKEND=settings.CELERY_RESULT_BACKEND,
    MONGO_URI=settings.MONGO_URI
)
celery.config_from_object("application.celeryconfig")

@app.route("/")
def home():
    if request.remote_addr in ('0.0.0.0', '127.0.0.1', 'localhost', '172.18.0.1'):
        return redirect('http://localhost:5173')
    else:
        return 'Welcome to DocsGPT Backend!'

@app.after_request
def after_request(response):
    response.headers.add("Access-Control-Allow-Origin", "*")
    response.headers.add("Access-Control-Allow-Headers", "Content-Type,Authorization")
    response.headers.add("Access-Control-Allow-Methods", "GET,PUT,POST,DELETE,OPTIONS")
    return response

if __name__ == "__main__":
    app.run(debug=settings.FLASK_DEBUG_MODE, port=7091)