#!/usr/local/CyberCP/bin/python
import os.path
import sys
import django
from plogical.httpProc import httpProc
sys.path.append('/usr/local/CyberCP')
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "CyberCP.settings")
django.setup()
from django.shortcuts import redirect
from django.http import HttpResponse
from loginSystem.views import loadLoginPage
from loginSystem.models import Administrator
import json
from .models import Package
from plogical.acl import ACLManager

class PackagesManager:
    def __init__(self, request = None):
        self.request  = request

    def packagesHome(self):
        proc = httpProc(self.request, 'packages/index.html',
                        None, 'createPackage')
        return proc.render()

    def createPacakge(self):
        userID = self.request.session['userID']
        admin = Administrator.objects.get(pk=userID)
        proc = httpProc(self.request, 'packages/createPackage.html',
                        {"adminNamePackage": admin.userName}, 'createPackage')
        return proc.render()

    def deletePacakge(self):
        userID = self.request.session['userID']
        currentACL = ACLManager.loadedACL(userID)
        packageList = ACLManager.loadPackages(userID, currentACL)
        proc = httpProc(self.request, 'packages/deletePackage.html',
                        {"packageList": packageList}, 'deletePackage')
        return proc.render()

    def submitPackage(self):
        try:

            userID = self.request.session['userID']
            currentACL = ACLManager.loadedACL(userID)

            if ACLManager.currentContextPermission(currentACL, 'createPackage') == 0:
                return ACLManager.loadErrorJson('saveStatus', 0)

            data = json.loads(self.request.body)
            packageName = data['packageName'].replace(' ', '')
            packageSpace = int(data['diskSpace'])
            packageBandwidth = int(data['bandwidth'])
            packageDatabases = int(data['dataBases'])
            ftpAccounts = int(data['ftpAccounts'])
            emails = int(data['emails'])
            allowedDomains = int(data['allowedDomains'])

            try:
                api = data['api']
            except:
                api = '0'

            try:
                allowFullDomain = int(data['allowFullDomain'])
            except:
                allowFullDomain = 1

            try:
                enforceDiskLimits = int(data['enforceDiskLimits'])
            except:
                enforceDiskLimits = 0


            if packageSpace < 0 or packageBandwidth < 0 or packageDatabases < 0 or ftpAccounts < 0 or emails < 0 or allowedDomains < 0:
                data_ret = {'saveStatus': 0, 'error_message': "All values should be positive or 0."}
                json_data = json.dumps(data_ret)
                return HttpResponse(json_data)

            admin = Administrator.objects.get(pk=userID)

            if api == '0':
                packageName = admin.userName + "_" + packageName

            package = Package(admin=admin, packageName=packageName, diskSpace=packageSpace,
                              bandwidth=packageBandwidth, ftpAccounts=ftpAccounts, dataBases=packageDatabases,
                              emailAccounts=emails, allowedDomains=allowedDomains, allowFullDomain=allowFullDomain, enforceDiskLimits=enforceDiskLimits)

            package.save()

            data_ret = {'status': 1, 'saveStatus': 1, 'error_message': "None"}
            json_data = json.dumps(data_ret)
            return HttpResponse(json_data)

        except BaseException as msg:
            data_ret = {'status': 0, 'saveStatus': 0, 'error_message': str(msg)}
            json_data = json.dumps(data_ret)
            return HttpResponse(json_data)

    def submitDelete(self):
        try:
            userID = self.request.session['userID']
            currentACL = ACLManager.loadedACL(userID)

            if ACLManager.currentContextPermission(currentACL, 'deletePackage') == 0:
                return ACLManager.loadErrorJson('deleteStatus', 0)

            data = json.loads(self.request.body)
            packageName = data['packageName']

            delPackage = Package.objects.get(packageName=packageName)

            ## Check package ownership
            admin = Administrator.objects.get(pk=userID)
            if ACLManager.CheckPackageOwnership(delPackage, admin, currentACL) == 0:
                return ACLManager.loadErrorJson('deleteStatus', 0)

            delPackage.delete()

            data_ret = {'status': 1, 'deleteStatus': 1, 'error_message': "None"}
            json_data = json.dumps(data_ret)
            return HttpResponse(json_data)


        except BaseException as msg:
            data_ret = {'status': 0, 'deleteStatus': 0, 'error_message': str(msg)}
            json_data = json.dumps(data_ret)
            return HttpResponse(json_data)

    def modifyPackage(self):
        userID = self.request.session['userID']
        currentACL = ACLManager.loadedACL(userID)
        packageList = ACLManager.loadPackages(userID, currentACL)
        proc = httpProc(self.request, 'packages/modifyPackage.html',
                        {"packList": packageList}, 'modifyPackage')
        return proc.render()

    def submitModify(self):
        try:
            userID = self.request.session['userID']
            data = json.loads(self.request.body)
            packageName = data['packageName']

            currentACL = ACLManager.loadedACL(userID)

            if ACLManager.currentContextPermission(currentACL, 'modifyPackage') == 0:
                return ACLManager.loadErrorJson('modifyStatus', 0)

            modifyPack = Package.objects.get(packageName=packageName)

            ## Check package ownership
            admin = Administrator.objects.get(pk=userID)
            if ACLManager.CheckPackageOwnership(modifyPack, admin, currentACL) == 0:
                return ACLManager.loadErrorJson('deleteStatus', 0)

            diskSpace = modifyPack.diskSpace
            bandwidth = modifyPack.bandwidth
            ftpAccounts = modifyPack.ftpAccounts
            dataBases = modifyPack.dataBases
            emails = modifyPack.emailAccounts


            data_ret = {'emails': emails, 'modifyStatus': 1, 'error_message': "None",
                        "diskSpace": diskSpace, "bandwidth": bandwidth, "ftpAccounts": ftpAccounts,
                        "dataBases": dataBases, "allowedDomains": modifyPack.allowedDomains, 'allowFullDomain': modifyPack.allowFullDomain, 'enforceDiskLimits': modifyPack.enforceDiskLimits}
            json_data = json.dumps(data_ret)
            return HttpResponse(json_data)

        except BaseException as msg:
            data_ret = {'modifyStatus': 0, 'error_message': str(msg)}
            json_data = json.dumps(data_ret)
            return HttpResponse(json_data)

    def saveChanges(self):
        try:

            userID = self.request.session['userID']
            currentACL = ACLManager.loadedACL(userID)

            admin = Administrator.objects.get(pk=userID)

            if ACLManager.currentContextPermission(currentACL, 'modifyPackage') == 0:
                return ACLManager.loadErrorJson('saveStatus', 0)

            data = json.loads(self.request.body)
            packageName = data['packageName']

            if data['diskSpace'] < 0 or data['bandwidth'] < 0 or data['ftpAccounts'] < 0 or data[
                'dataBases'] < 0 or \
                            data['emails'] < 0 or data['allowedDomains'] < 0:
                data_ret = {'saveStatus': 0, 'error_message': "All values should be positive or 0."}
                json_data = json.dumps(data_ret)
                return HttpResponse(json_data)

            modifyPack = Package.objects.get(packageName=packageName)

            if modifyPack.admin == admin:

                modifyPack.diskSpace = data['diskSpace']
                modifyPack.bandwidth = data['bandwidth']
                modifyPack.ftpAccounts = data['ftpAccounts']
                modifyPack.dataBases = data['dataBases']
                modifyPack.emailAccounts = data['emails']
                modifyPack.allowedDomains = data['allowedDomains']

                try:
                    modifyPack.allowFullDomain = int(data['allowFullDomain'])
                except:
                    modifyPack.allowFullDomain = 1

                try:
                    modifyPack.enforceDiskLimits = int(data['enforceDiskLimits'])
                except:
                    modifyPack.enforceDiskLimits = 0

                modifyPack.save()

                ## Fix https://github.com/usmannasir/cyberpanel/issues/998

                # from plogical.IncScheduler import IncScheduler
                # isPU = IncScheduler('CalculateAndUpdateDiskUsage', {})
                # isPU.start()

                from plogical.processUtilities import ProcessUtilities
                command = '/usr/local/CyberCP/bin/python /usr/local/CyberCP/plogical/IncScheduler.py UpdateDiskUsageForce'
                ProcessUtilities.outputExecutioner(command)

                data_ret = {'status': 1, 'saveStatus': 1, 'error_message': "None"}
                json_data = json.dumps(data_ret)
                return HttpResponse(json_data)
            else:
                data_ret = {'status': 0, 'saveStatus': 0, 'error_message': "You don't own this package."}
                json_data = json.dumps(data_ret)
                return HttpResponse(json_data)

        except BaseException as msg:
            data_ret = {'status': 0, 'saveStatus': 0, 'error_message': str(msg)}
            json_data = json.dumps(data_ret)
            return HttpResponse(json_data)


    def listPackages(self):
        userID = self.request.session['userID']
        currentACL = ACLManager.loadedACL(userID)
        packageList = ACLManager.loadPackages(userID, currentACL)
        proc = httpProc(self.request, 'packages/listPackages.html',
                        {"packList": packageList}, 'listPackages')
        return proc.render()

    def listPackagesAPI(self,data=None):
        """
            List of packages for API
        :param data:
        :return HttpResponse:
        """
        try:
            adminUser = data['adminUser']
            admin = Administrator.objects.get(userName=adminUser)
            currentACL = ACLManager.loadedACL(admin.id)
            packageList = ACLManager.loadPackages(admin.id, currentACL)
            return HttpResponse(json.dumps(packageList))
        except BaseException as msg:
            data_ret = {'status': 0, 'error_message': str(msg)}
            json_data = json.dumps(data_ret)
            return HttpResponse(json_data)

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

            currentACL = ACLManager.loadedACL(userID)

            if ACLManager.currentContextPermission(currentACL, 'listPackages') == 0:
                return ACLManager.loadErrorJson()


            packages = ACLManager.loadPackageObjects(userID, currentACL)

            json_data = "["
            checker = 0

            for items in packages:

                dic = {'package': items.packageName,
                       'diskSpace': items.diskSpace,
                       'bandwidth': items.bandwidth,
                       'emailAccounts': items.emailAccounts,
                       'dataBases': items.dataBases,
                       'ftpAccounts': items.ftpAccounts,
                       'allowedDomains': items.allowedDomains,
                       'allowFullDomain': items.allowFullDomain,
                       'enforceDiskLimits': items.enforceDiskLimits
                       }

                if checker == 0:
                    json_data = json_data + json.dumps(dic)
                    checker = 1
                else:
                    json_data = json_data + ',' + json.dumps(dic)

            json_data = json_data + ']'

            final_json = json.dumps({'status': 1, 'fetchStatus': 1, 'error_message': "None", "data": json_data})
            return HttpResponse(final_json)

        except KeyError:
            return redirect(loadLoginPage)