# coding: utf-8

from uuid import uuid4
import validators

from flask import Blueprint, flash, g, jsonify, redirect, render_template, request, session, url_for
from SWSCloudAdministrator.Administrator.common import requires_login

from SWSCloudCore.controllers.administrators import ControllerAdministrators
# from SWSCloudCore.controllers.billing import ControllerBilling
from SWSCloudCore.controllers.common import ControllerMessagesEmail
from SWSCloudCore.controllers.datacenters.manage import ControllerManageDatacenters
from SWSCloudCore.controllers.ips.manage import ControllerManageIPs
from SWSCloudCore.controllers.servers.manage import ControllerManageServer
# from SWSCloudCore.controllers.users.manage import ControllerManageUsers
# from SWSCloudCore.controllers.users.manage import ControllerManageUsersBalance
# from SWSCloudCore.controllers.users.manage import ControllerManageUsersDetails
from SWSCloudCore.controllers.plans import ControllerPlans
from SWSCloudCore import models

viewAdministrator = Blueprint('administrator', __name__, url_prefix='/administrator')


@viewAdministrator.route('/login.html', methods=['GET', 'POST'])
def login():
    if request.method == 'POST':
        admin_email = request.form.get('email').encode('utf-8')
        admin_password = request.form.get('password').encode('utf-8')

        # validation entered data
        if not validators.email(admin_email):
            flash('Invalid registration data')
            return redirect(url_for('administrator.login'))

        # try auth only active users (with status code 1)
        if models.Admins.auth(admin_email, admin_password, 1):
            # get user_id
            user_id = ControllerAdministrators().get_id_by_email(admin_email)

            # save user data to session
            session['admin_id'] = str(user_id)
            session['admin_email'] = admin_email
            session['admin_password'] = admin_password

            # redirect to rules list
            return redirect(url_for('administrator.dashboard'))
        else:
            flash('Invalid login. Please try again.')
            return redirect(url_for('administrator.login'))
    return render_template('administrator/login.html')


@viewAdministrator.route('/logout.html')
def logout():
    session.pop('admin_id', None)
    session.pop('admin_email', None)
    session.pop('admin_password', None)
    return redirect(url_for('administrator.login'))


@viewAdministrator.route('/dashboard.html')
@requires_login
def dashboard():
    stats = {
        'users': models.Users.select().count(),
        'datacenters': models.DataCenters.select().count(),
        'servers': models.Servers.select().count(),
        'containers': models.Containers.select().count(),
        'ips': models.Ips.select().count(),
        'vms': models.Vms.select().count(),
        'payments': models.UsersBalanceTransactions.select().count(),
    }
    #
    return render_template(
        'administrator/dashboard.html', stats=stats)


@viewAdministrator.route('/payments')
@requires_login
def payments():
    payments_items = {
        'total': models.UsersBalanceTransactions.select().count(),
        'items': models.UsersBalanceTransactions.select()
    }
    return render_template(
        'administrator/payments.html',
        payments=payments_items
    )


@viewAdministrator.route('/datacenters')
@requires_login
def datacenters():
    return render_template(
        'administrator/datacenters/index.html',
        datacenters=ControllerManageDatacenters().items_get())


@viewAdministrator.route('/datacenters/create', methods=['GET', 'POST'])
@requires_login
def datacenters_create():
    if request.method == "POST":
        # TODO: validate
        dc_name = request.form.get('name')
        dc_code = request.form.get('code')
        dc_country = request.form.get('country')
        dc_city = request.form.get('city')
        dc_status = request.form.get('status')

        # check exists datacenter
        if models.DataCenters.select().where(models.DataCenters.name == dc_name).count() == 1:
            return redirect(url_for('administrator.datacenters_create'))

        models.DataCenters.create(id=uuid4(), code=dc_code, name=dc_name, country=dc_country, city=dc_city, status=dc_status)
        return redirect(url_for('administrator.datacenters'))
        # todo: ... update record for datacenter
        # return url_for('administrator.datacenters_edit', dc_id=dc_id)
    # datacenter = models.DataCenters.select().where(models.DataCenters.id == dc_id).limit(1)[0]

    return render_template('administrator/datacenters/create.html')


@viewAdministrator.route('/datacenters/edit/<uuid:dc_id>', methods=['GET', 'POST'])
@requires_login
def datacenters_edit(dc_id):
    # check exists datacenter
    if not ControllerManageDatacenters().check_exists(dc_id):
        return redirect(url_for('administrator.datacenters'))
    # POST
    if request.method == "POST":
        # todo: ... update record for datacenter
        return redirect(url_for('administrator.datacenters_edit', dc_id=dc_id))

    cmd = ControllerManageDatacenters()

    return render_template(
        'administrator/datacenters/edit.html',
        datacenter=cmd.item_get(dc_id)
    )


@viewAdministrator.route('/servers/')
@requires_login
def servers_index():
    # ca = ControllerAdministrators()
    cms = ControllerManageServer()
    #
    return render_template(
        'administrator/servers/index.html',
        servers=cms.items_get())


@viewAdministrator.route('/ips/')
@requires_login
def ips_index():
    #
    return render_template(
        'administrator/ips/index.html',
        ips=ControllerManageIPs().items_get())


@viewAdministrator.route('/ips/create', methods=['POST', 'GET'])
@requires_login
def ips_create():
    #
    if request.method == "POST":
        print request.form
        if ControllerManageIPs().is_valid_ipv4_address(request.form['ipv4'])\
                and ControllerManageIPs().is_valid_ipv4_address(request.form['ipv4_gateway']):
            ControllerManageIPs().item_create(
                request.form.get('datacenter'),
                request.form.get('server'),
                request.form.get('ipv4'),
                request.form.get('ipv4_gateway'),
                '',
                '',
                0
            )
        if ControllerManageIPs().is_valid_ipv6_address(request.form['ipv6'])\
                and ControllerManageIPs().is_valid_ipv6_address(request.form['ipv6_gateway']):
            ControllerManageIPs().item_create(
                request.form['datacenter'],
                request.form['server'],
                '',
                '',
                request.form['ipv6'],
                request.form['ipv6_gateway'],
                0
            )
    #
    return render_template(
        'administrator/ips/create.html',
        datacenters=ControllerManageDatacenters().items_get(),
        servers=ControllerManageServer().items_get()
    )


@viewAdministrator.route('/ips/edit/<int:ip_id>', methods=['GET', 'POST'])
@requires_login
def ips_edit(ip_id):
    #
    if request.method == 'POST':
        print request.form
        # if ControllerManageIPs().is_valid_ipv4_address(request.form['ipv4'])\
        #         and ControllerManageIPs().is_valid_ipv4_address(request.form['ipv4_gateway']):
        ControllerManageIPs().item_update(
            request.form['ip_id'],
            request.form['server'],
            request.form['ipv4'],
            request.form['ipv4_gateway'],
            request.form['ipv6'],
            request.form['ipv6_gateway'],
            request.form['status']
        )
    #
    return render_template(
        'administrator/ips/edit.html',
        servers=ControllerManageServer().items_get(),
        ip=ControllerManageIPs().item_get(ip_id)
    )


@viewAdministrator.route('/ips/delete', methods=['GET', 'POST'])
def ips_delete():
    return render_template(
        'administrator/ips/delete.html',
        # ip=ControllerManageIPs().i
    )


@viewAdministrator.route('/servers/create', methods=['GET', 'POST'])
@requires_login
def servers_create():
    if request.method == "POST":
        print request.form
        params = {
            'datacenter_id': request.form['datacenter_id'],
            'server_id': uuid4(),
            'secret': uuid4(),
            'hostname': request.form['hostname'],
            'ipv4': request.form['ip'],
            'status': request.form['status']
        }

        ControllerManageServer().item_create(
            params['datacenter_id'],
            params['server_id'],
            params['secret'],
            params['hostname'],
            params['ipv4'],
            None,
            params['status']
        )

    dcs = ControllerManageDatacenters().items_get()

    return render_template(
        'administrator/servers/create.html',
        datacenters=dcs
    )


@viewAdministrator.route('/servers/edit/<uuid:server_id>.html', methods=['GET', 'POST'])
@requires_login
def server_edit(server_id):
    # check exists server
    if models.Servers.select().where(models.Servers.id == server_id).count() == 0:
        return redirect(url_for('administrator.servers'))

    if request.method == "POST":
        x = models.Servers.update(status=request.form.get('status', 0)).where(models.Servers.id == server_id)
        x.execute()
        return redirect(url_for('administrator.server_edit', server_id=server_id))

    server_details = models.Servers.select().where(models.Servers.id == server_id).get()

    return render_template('administrator/servers/edit.html', server=server_details)


@viewAdministrator.route('/settings/')
@requires_login
def settings_index():
    settings_list = {
        'total': models.Settings.select().count(),
        'items': models.Settings.select()
    }

    return render_template('administrator/settings/index.html', settings=settings_list)


@viewAdministrator.route('/settings/create', methods=['GET', 'POST'])
@requires_login
def settings_create():
    # Обрабатываем POST-запрос
    if request.method == 'POST':
        # check exists `key`
        if models.Settings.select().where(models.Settings.key == request.form['key']).count() == 0:
            # Если указанного ключа нет в таблице, то добавляем его
            models.Settings.create(key=request.form['key'], val=request.form['val'])
            # После добавления записи делаем редирект на страницу со списком параметров
            return redirect(url_for('administrator.settings_index'))
        # Если предыдущее условие (проверка отсутствия ключа) не сработало,
        # то выдаём сообщение об уже существующем ключе
        g.errors['total'] += 1
        g.errors['items'].append(u"Параметр уже существует")
    return render_template('administrator/settings/create.html')


@viewAdministrator.route('/settings/delete', methods=['GET', 'POST'])
@requires_login
def settings_delete():
    #
    if request.method == 'POST':
        delete_set = models.Settings.delete().where(models.Settings.id == request.form['id'])
        delete_set.execute()
        return redirect(url_for('administrator.settings_index'))
    #
    setting = models.Settings.select().where(models.Settings.id == request.args['id']).limit(1)[0]
    #
    return render_template('administrator/settings/delete.html', setting=setting)


@viewAdministrator.route('/settings/update', methods=['GET', 'POST'])
@requires_login
def settings_update():
    #
    if request.method == 'POST':
        uq = models.Settings.update(val=request.form['val']).where(models.Settings.id == request.form['id'])
        uq.execute()
        return redirect(url_for('administrator.settings_index'))
    # get setting parameter by ID
    setting = models.Settings.select().where(models.Settings.id == request.args['id']).limit(1)[0]
    return render_template('administrator/settings/update.html', setting=setting)


@viewAdministrator.route('/settings/messages/email_test.html', methods=['GET', 'POST'])
@requires_login
def settings_messages_email_test():
    email = ControllerMessagesEmail()
    email.send(title='test', to='vanzhiganov@ya.ru', lead='qwdqwd', message='qwdqwd', callout='qwdqwd')
    # if request.method == 'POST':
    #     uq = models.Settings.update(val=request.form['val']).where(models.Settings.id == request.form['id'])
    #     uq.execute()
    #     return redirect(url_for('administrator.settings_index'))
    # get setting parameter by ID
    # setting = models.Settings.select().where(models.Settings.id == request.args['id']).limit(1)[0]
    return render_template('administrator/settings/messages/email.html')


@viewAdministrator.route('/json/datacenter/list', methods=['GET'])
@requires_login
def json_datacenter_list():
    return jsonify(ControllerManageDatacenters().items_get())


@viewAdministrator.route('/plans/', methods=['GET'])
@requires_login
def plans_index():
    return render_template(
        'administrator/plans/index.html',
        plans=ControllerPlans().get())


@viewAdministrator.route('/plans/create.html', methods=['GET', 'POST'])
@requires_login
def plans_create():
    if request.method == "POST":
        plan_id = str(uuid4())
        models.PlansVMs.create(
            id=plan_id,
            name=request.form.get('name'),
            price=request.form.get('price'),
            status=request.form.get('status'),
            storage=request.form.get('storage'),
            swap=request.form.get('swap'),
            memory=request.form.get('memory'),
            cores=request.form.get('cores'),
        )

        flash('Plan has been created')
        return redirect(url_for('administrator.plans_index'))
    return render_template('administrator/plans/create.html')


@viewAdministrator.route('/plans/<uuid:plan_id>/edit.html', methods=['GET', 'POST'])
@requires_login
def plan_edit(plan_id):
    # check exists plan
    if models.PlansVMs.select().where(models.PlansVMs.id == plan_id).count() == 0:
        return redirect(url_for('administrator.plans_index'))

    if request.method == 'POST':
        x = models.PlansVMs.get(models.PlansVMs.id == plan_id)
        x.name = request.form.get('name')
        x.status = request.form.get('status')
        x.price = request.form.get('price')
        x.storage = request.form.get('storage')
        x.swap = request.form.get('swap')
        x.memory = request.form.get('memory')
        x.cores = request.form.get('cores')
        x.save()

        return redirect(url_for('administrator.plans_index'))

    return render_template(
        'administrator/plans/edit.html',
        plan_details=models.PlansVMs.select().where(models.PlansVMs.id == plan_id).get())