import platform
import dotenv
from application.celery 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)