from app.api import bp_user
from flask import request, jsonify

from flasgger import swag_from

import app.messages.api_responses.user_responses as response
import app.messages.api_errors as errors
from app.doc.user_swag import login_swagger

from app.services.user import login_service

@bp_user.route("/login", methods=["POST"])
@swag_from(login_swagger)
def login():
    data = request.get_json()

    if not data:
        result, status_code = errors.NOT_JSON
        return jsonify(result), status_code

    required_fields = ["username", "password"]
    missing_fields = [field for field in required_fields if field not in data]

    if missing_fields:
        result, status_code = errors.MISSING_FIELDS(missing_fields)
        return jsonify(result), status_code
        
    username = data["username"]
    password = data["password"]

    result, status_code = login_service.login(username, password)

    return result, status_code