import json
import requests

from django.shortcuts import render, redirect

from requests_oauthlib import OAuth2Session
from django.contrib import messages

from .models import Token

from django.contrib.auth import authenticate
from django.contrib.auth import login as auth_login
from django.contrib.auth import logout as auth_logout
from django.contrib.auth.models import User
from django.contrib.auth.decorators import login_required

# Create your views here.
# Thanks Django, what would I do without this comment

client_id = r'QeZPBSKqdvWFfBv1VYTSv9iFGz5T9pVJtNUjbEr6'
client_secret = r'0Wl3hAIGY9SvYOqTOLUiLNYa4OlCgZYdno9ZbcgCT7RGQ8x2f1l2HzZHsQ7ijC74A0mrOhhCVeZugqAmOADHIv5fHxaa7GqFNtQr11HX9ySTw3DscKsphCVi5P71mlGY'
redirect_uri = 'http://localhost:8000/callback/'
token_url = 'https://ion.tjhsst.edu/oauth/authorize/'
scope=["read"]

def register(request):
    oauth = OAuth2Session(client_id=client_id, redirect_uri=redirect_uri, scope=scope)
    authorization_url, state = oauth.authorization_url("https://ion.tjhsst.edu/oauth/authorize/")

    return render(request,"users/register.html", {"authorization_url": authorization_url})

def callback (request):
        if request.method == "GET":
            code = request.GET.get('code')
            state = request.GET.get("state")
            # Then if we get a response from Ion with the authorization code
            if code is not None and state is not None:
                print ("made it")
                # We send it back to fetch the acess_token
                payload = {'grant_type':'authorization_code','code': code,'redirect_uri':redirect_uri,'client_id':client_id,'client_secret':client_secret, 'csrfmiddlewaretoken': state}
                token = requests.post("https://ion.tjhsst.edu/oauth/token/", data=payload).json()
                headers = {'Authorization': f"Bearer {token['access_token']}"}
                print(token)

                # And finally get the user's profile!
                profile = requests.get("https://ion.tjhsst.edu/api/profile", headers=headers).json()
                print(profile)
                username = profile['ion_username']
                email = profile['tj_email']
                first_name = profile['first_name']
                last_name = profile['last_name']
                isStudent = profile['is_student']

                if User.objects.filter(username=username).count() != 0:
                    messages.success(request, "This user already exists!")
                    return redirect('register')
                else:
                    token = Token(username = username, email = email, first_name = first_name, last_name = last_name, isStudent = isStudent)
                    token.save()
                    tokenHash = token.token
                    print(f'/create_account/?token={tokenHash}')
                    return redirect(f'/create_account/?token={tokenHash}')


        messages.warning(request, "Invalid Callback Response")
        return redirect('register')


def create_account (request):
    if request.method == "GET" and Token.objects.filter(token=request.GET.get('token')).count() == 1:
        token = Token.objects.get(token=request.GET.get('token'))
        username = token.username
        email = token.email
        first_name = token.first_name
        last_name = token.last_name
        isStudent = token.isStudent

        
    else:
        return redirect('/register/')