from flask import Blueprint, request, jsonify
import geruecht.controller as gc
import geruecht.controller.ldapController as lc
import geruecht.controller.accesTokenController as ac
import geruecht.controller.userController as uc
from datetime import datetime
from geruecht.model import BAR, MONEY

baruser = Blueprint("baruser", __name__)

ldap= lc.LDAPController(gc.ldapConfig['URL'], gc.ldapConfig['dn'])
accesTokenController = ac.AccesTokenController()
userController = uc.UserController()

@baruser.route("/bar")
def _bar():
    """ Main function for Baruser

        Returns JSON-file with all Users, who hast amounts in this month.

        Returns:
            JSON-File with Users, who has amounts in this month
            or ERROR 401 Permission Denied
    """
    print(request.headers)
    token = request.headers.get("Token")
    print(token)
    accToken = accesTokenController.validateAccessToken(token, [BAR])

    dic = {}
    if accToken:
        users = userController.getAllUsersfromDB()
        for user in users:
            geruecht = None
            geruecht = user.getGeruecht(datetime.now().year)
            if geruecht is not None:
                month = geruecht.getMonth(datetime.now().month)
                amount = month[0] - month[1]
                all = geruecht.getSchulden()
                if all != 0:
                    if all >= 0:
                        type = 'credit'
                    else:
                        type = 'amount'
                    dic[user.uid] = {"username": user.uid,
                                        "firstname": user.firstname,
                                        "lastname": user.lastname,
                                        "amount": abs(all),
                                        "locked": user.locked,
                                        "type": type
                                        }
        return jsonify(dic)
    return jsonify({"error": "permission denied"}), 401

@baruser.route("/baradd", methods=['POST'])
def _baradd():
    """ Function for Baruser to add amount

        This function added to the user with the posted userID the posted amount.

        Returns:
            JSON-File with userID and the amount
            or ERROR 401 Permission Denied
    """
    token = request.headers.get("Token")
    print(token)
    accToken = accesTokenController.validateAccessToken(token, [BAR])

    if accToken:
        data = request.get_json()
        userID = data['userId']
        amount = int(data['amount'])

        date = datetime.now()
        userController.addAmount(userID, amount, year=date.year, month=date.month)
        user = userController.getUser(userID)
        geruecht = user.getGeruecht(year=date.year)
        month = geruecht.getMonth(month=date.month)
        amount = abs(month[0] - month[1])
        all = geruecht.getSchulden()
        if all >= 0:
            type = 'credit'
        else:
            type = 'amount'
        dic = user.toJSON()
        dic['amount'] = abs(all)
        dic['type'] = type

        return jsonify(dic)
    return jsonify({"error", "permission denied"}), 401

@baruser.route("/barGetUsers")
def _getUsers():
    """ Get Users without amount

        This Function returns all Users, who hasn't an amount in this month.

        Returns:
            JSON-File with Users
            or ERROR 401 Permission Denied
    """
    token = request.headers.get("Token")
    print(token)
    accToken = accesTokenController.validateAccessToken(token, [BAR])

    retVal = {}
    if accToken:
        retVal = ldap.getAllUser()
        return jsonify(retVal)
    return jsonify({"error": "permission denied"}), 401

@baruser.route("/barGetUser", methods=['POST'])
def _getUser():
    token = request.headers.get("Token")
    accToken = accesTokenController.validateAccessToken(token, [BAR])
    if accToken:
        data = request.get_json()
        username = data['userId']
        user = userController.getUser(username)
        amount = user.getGeruecht(datetime.now().year).getSchulden()
        if amount >= 0:
            type = 'credit'
        else:
            type = 'amount'

        retVal = user.toJSON()
        retVal['amount'] = amount
        retVal['type'] = type
        return jsonify(retVal)
    return jsonify("error", "permission denied"), 401

@baruser.route("/search", methods=['POST'])
def _search():
    token = request.headers.get("Token")
    print(token)
    accToken = accesTokenController.validateAccessToken(token, [BAR, MONEY])

    if accToken:
        data = request.get_json()

        searchString = data['searchString']

        retVal = ldap.searchUser(searchString)

        return jsonify(retVal)
    return jsonify({"error": "permission denied"}), 401