# Copyright (c) 2006-2009 Mitch Garnaat http://garnaat.org/
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish, dis-
# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.

from boto.resultset import ResultSet
from boto.ec2.ec2object import EC2Object


class ReservedInstancesOffering(EC2Object):

    def __init__(self, connection=None, id=None, instance_type=None,
                 availability_zone=None, duration=None, fixed_price=None,
                 usage_price=None, description=None, instance_tenancy=None,
                 currency_code=None, offering_type=None,
                 recurring_charges=None, pricing_details=None):
        EC2Object.__init__(self, connection)
        self.id = id
        self.instance_type = instance_type
        self.availability_zone = availability_zone
        self.duration = duration
        self.fixed_price = fixed_price
        self.usage_price = usage_price
        self.description = description
        self.instance_tenancy = instance_tenancy
        self.currency_code = currency_code
        self.offering_type = offering_type
        self.recurring_charges = recurring_charges
        self.pricing_details = pricing_details

    def __repr__(self):
        return 'ReservedInstanceOffering:%s' % self.id

    def startElement(self, name, attrs, connection):
        if name == 'recurringCharges':
            self.recurring_charges = ResultSet([('item', RecurringCharge)])
            return self.recurring_charges
        elif name == 'pricingDetailsSet':
            self.pricing_details = ResultSet([('item', PricingDetail)])
            return self.pricing_details
        return None

    def endElement(self, name, value, connection):
        if name == 'reservedInstancesOfferingId':
            self.id = value
        elif name == 'instanceType':
            self.instance_type = value
        elif name == 'availabilityZone':
            self.availability_zone = value
        elif name == 'duration':
            self.duration = int(value)
        elif name == 'fixedPrice':
            self.fixed_price = value
        elif name == 'usagePrice':
            self.usage_price = value
        elif name == 'productDescription':
            self.description = value
        elif name == 'instanceTenancy':
            self.instance_tenancy = value
        elif name == 'currencyCode':
            self.currency_code = value
        elif name == 'offeringType':
            self.offering_type = value
        elif name == 'marketplace':
            self.marketplace = True if value == 'true' else False

    def describe(self):
        print 'ID=%s' % self.id
        print '\tInstance Type=%s' % self.instance_type
        print '\tZone=%s' % self.availability_zone
        print '\tDuration=%s' % self.duration
        print '\tFixed Price=%s' % self.fixed_price
        print '\tUsage Price=%s' % self.usage_price
        print '\tDescription=%s' % self.description

    def purchase(self, instance_count=1):
        return self.connection.purchase_reserved_instance_offering(self.id, instance_count)


class RecurringCharge(object):
    def __init__(self, connection=None, frequency=None, amount=None):
        self.frequency = frequency
        self.amount = amount

    def startElement(self, name, attrs, connection):
        return None

    def endElement(self, name, value, connection):
        setattr(self, name, value)


class PricingDetail(object):
    def __init__(self, connection=None, price=None, count=None):
        self.price = price
        self.count = count

    def startElement(self, name, attrs, connection):
        return None

    def endElement(self, name, value, connection):
        setattr(self, name, value)


class ReservedInstance(ReservedInstancesOffering):

    def __init__(self, connection=None, id=None, instance_type=None,
                 availability_zone=None, duration=None, fixed_price=None,
                 usage_price=None, description=None,
                 instance_count=None, state=None):
        ReservedInstancesOffering.__init__(self, connection, id, instance_type,
                                           availability_zone, duration, fixed_price,
                                           usage_price, description)
        self.instance_count = instance_count
        self.state = state
        self.start = None

    def __repr__(self):
        return 'ReservedInstance:%s' % self.id

    def endElement(self, name, value, connection):
        if name == 'reservedInstancesId':
            self.id = value
        if name == 'instanceCount':
            self.instance_count = int(value)
        elif name == 'state':
            self.state = value
        elif name == 'start':
            self.start = value
        else:
            ReservedInstancesOffering.endElement(self, name, value, connection)


class ReservedInstanceListing(EC2Object):
    def __init__(self, connection=None, listing_id=None, id=None,
                 create_date=None, update_date=None,
                 status=None, status_message=None, client_token=None):
        self.connection = connection
        self.listing_id = listing_id
        self.id = id
        self.create_date = create_date
        self.update_date = update_date
        self.status = status
        self.status_message = status_message
        self.client_token = client_token

    def startElement(self, name, attrs, connection):
        if name == 'instanceCounts':
            self.instance_counts = ResultSet([('item', InstanceCount)])
            return self.instance_counts
        elif name == 'priceSchedules':
            self.price_schedules = ResultSet([('item', PriceSchedule)])
            return self.price_schedules
        return None

    def endElement(self, name, value, connection):
        if name == 'reservedInstancesListingId':
            self.listing_id = value
        elif name == 'reservedInstancesId':
            self.id = value
        elif name == 'createDate':
            self.create_date = value
        elif name == 'updateDate':
            self.update_date = value
        elif name == 'status':
            self.status = value
        elif name == 'statusMessage':
            self.status_message = value
        else:
            setattr(self, name, value)


class InstanceCount(object):
    def __init__(self, connection=None, state=None, instance_count=None):
        self.state = state
        self.instance_count = instance_count

    def startElement(self, name, attrs, connection):
        return None

    def endElement(self, name, value, connection):
        if name == 'state':
            self.state = value
        elif name == 'instanceCount':
            self.instance_count = int(value)
        else:
            setattr(self, name, value)


class PriceSchedule(object):
    def __init__(self, connection=None, term=None, price=None,
                 currency_code=None, active=None):
        self.connection = connection
        self.term = term
        self.price = price
        self.currency_code = currency_code
        self.active = active

    def startElement(self, name, attrs, connection):
        return None

    def endElement(self, name, value, connection):
        if name == 'term':
            self.term = int(value)
        elif name == 'price':
            self.price = value
        elif name == 'currencyCode':
            self.currency_code = value
        elif name == 'active':
            self.active = True if value == 'true' else False
        else:
            setattr(self, name, value)
