from pyramid.view import view_config
from pyramid.httpexceptions import HTTPFound
from pyramid.security import remember, forget
from .security import check_password, set_password


@view_config(route_name="users_auth")
def sign_in_out(request):
    username = request.POST.get('username')
    if username:
        if check_password(request, username, request.POST.get('password')):
            headers = remember(request, username)
        else:
            headers = forget(request)
    else:
        headers = forget(request)
    return HTTPFound(location=request.route_url('home'), headers=headers)


@view_config(route_name='users_register', renderer='templates/register.jinja2', permission="edit")
def register(request):
    return {"navgroup": "user"}


@view_config(route_name="users_json", renderer="prettyjson", request_method='POST', permission="edit")
def json_newuser(request):
    jsb = request.json_body
    if request.db['users'].count({"username": jsb['username']}) > 0:
        fail_reason = "There is already a user with this username"
        return {"status": 'fail', "info": fail_reason}

    elif len(jsb['username']) < 5:
        fail_reason = "The username must be at least 5 characters"
        return {"status": 'fail', "info": fail_reason}

    elif len(jsb['password']) < 5:
        fail_reason = "The password must be at least 5 characters"
        return {"status": 'fail', "info": fail_reason}

    else:
        set_return = set_password(request, jsb['username'], jsb['password'])
        return {'status': "OK"}


@view_config(route_name="users_json", renderer="prettyjson", permission="edit", request_method='GET')
def json_getuser(request):
    user_list = []
    users = list(request.db['users'].find())
    for user in users:
        user_list.append(user['username'])
    return {'users': user_list}


@view_config(route_name="users_json", renderer="prettyjson", permission="edit", request_method='DELETE')
def json_deleteuser(request):
    request.db['users'].remove({'username': request.json_body['username']})
    user_list = []
    users = list(request.db['users'].find())
    for user in users:
        user_list.append(user['username'])
    return {'users': user_list}


@view_config(route_name="users_json", renderer="prettyjson", request_method='PUT', permission="edit")
def json_updateuser(request):
    jsb = request.json_body
    if len(jsb['username']) < 5:
        fail_reason = "The username must be at least 5 characters"
        return {"status": 'fail', "info": fail_reason}

    elif len(jsb['password']) < 5:
        fail_reason = "The password must be at least 5 characters"
        return {"status": 'fail', "info": fail_reason}

    else:
        set_return = set_password(request, jsb['username'], jsb['password'])
        return {'status': "OK"}