import os

from flask import Blueprint, jsonify, request

from db import db
from helper_functions import check_password, hash_password
from models import User

api = Blueprint('api', __name__, url_prefix='/api')
__location__ = os.path.realpath(os.path.join(os.getcwd(), os.path.dirname(__file__)))


@api.route('/users', methods=['GET'])
def users():
    res = []
    for i in User.query.all():
        res.append(i.as_dict())

    return jsonify({"status": 200, "data": res})


@api.route('/login', methods=['POST'])
def login():
    request_data = request.get_json()
    username = request_data['username']
    password = request_data['password']

    user = User.filter_by(username=username).first()
    if check_password(user.password, password):
        # TODO Return token
        return jsonify({"status": 200, "text": "Successfully logged in"})
    else:
        return jsonify({"status": 500, "text": "Unable to login"})


@api.route('/logout', methods=['GET'])
def logout():
    # TODO
    return jsonify({"status": 200, "text": "Successfully logged out"})


@api.route('/register', methods=['POST'])
def register():
    request_data = request.get_json()
    username = request_data['username']
    password = request_data['password']

    if User.filter_by(username=username).first() is None:
        # Username doesn't exist yet
        user = User(
            username=username,
            password=hash_password(password),
            admin=False
        )
        db.session.add(user)
        db.session.commit()

        return jsonify({"status": 200, "text": "Successfully registered user", "data": user.as_dict()})
    else:
        return jsonify({"status": 500, "text": "Username already exist"})