# -*- coding: utf-8 -*-
from __future__ import unicode_literals

from django.shortcuts import redirect
from loginSystem.views import loadLoginPage
from databaseManager import DatabaseManager
from pluginManager import pluginManager
import json
# Create your views here.

def loadDatabaseHome(request):
    try:
        userID = request.session['userID']
        dm = DatabaseManager()
        return dm.loadDatabaseHome(request, userID)
    except KeyError:
        return redirect(loadLoginPage)

def createDatabase(request):
    try:
        result = pluginManager.preCreateDatabase(request)
        if result != 200:
            return result

        userID = request.session['userID']
        dm = DatabaseManager()
        coreResult = dm.createDatabase(request, userID)

        result = pluginManager.postCreateDatabase(request, coreResult)
        if result != 200:
            return result

        return coreResult


    except KeyError:
        return redirect(loadLoginPage)

def submitDBCreation(request):
    try:
        userID = request.session['userID']

        result = pluginManager.preSubmitDBCreation(request)
        if result != 200:
            return result

        dm = DatabaseManager()
        coreResult = dm.submitDBCreation(userID, request.data)

        result = pluginManager.postSubmitDBCreation(request, coreResult)
        if result != 200:
            return result

        return coreResult

    except KeyError:
        return redirect(loadLoginPage)

def deleteDatabase(request):
    try:
        userID = request.session['userID']
        dm = DatabaseManager()
        return dm.deleteDatabase(request, userID)
    except KeyError:
        return redirect(loadLoginPage)

def fetchDatabases(request):
    try:
        userID = request.session['userID']
        dm = DatabaseManager()
        return dm.fetchDatabases(userID, json.loads(request.body))
    except KeyError:
        return redirect(loadLoginPage)

def submitDatabaseDeletion(request):
    try:
        userID = request.session['userID']
        result = pluginManager.preSubmitDatabaseDeletion(request)
        if result != 200:
            return result

        dm = DatabaseManager()
        coreResult = dm.submitDatabaseDeletion(userID, json.loads(request.body))

        result = pluginManager.postSubmitDatabaseDeletion(request, coreResult)
        if result != 200:
            return result

        return coreResult
    except KeyError:
        return redirect(loadLoginPage)

def listDBs(request):
    try:
        userID = request.session['userID']
        dm = DatabaseManager()
        return dm.listDBs(request, userID)
    except KeyError:
        return redirect(loadLoginPage)

def changePassword(request):
    try:
        userID = request.session['userID']

        result = pluginManager.preChangePassword(request)
        if result != 200:
            return result

        dm = DatabaseManager()
        coreResult = dm.changePassword(userID, json.loads(request.body))

        result = pluginManager.postChangePassword(request, coreResult)
        if result != 200:
            return result

        return coreResult
    except KeyError:
        return redirect(loadLoginPage)