from __future__ import unicode_literals
from moto.packages.boto.ec2.instancetype import InstanceType

from moto.autoscaling import autoscaling_backends
from moto.core.responses import BaseResponse
from moto.core.utils import camelcase_to_underscores
from moto.ec2.exceptions import MissingParameterError
from moto.ec2.utils import (
    filters_from_querystring,
    dict_from_querystring,
)
from moto.elbv2 import elbv2_backends
from moto.core import ACCOUNT_ID

from copy import deepcopy
import six


class InstanceResponse(BaseResponse):
    def describe_instances(self):
        filter_dict = filters_from_querystring(self.querystring)
        instance_ids = self._get_multi_param("InstanceId")
        token = self._get_param("NextToken")
        if instance_ids:
            reservations = self.ec2_backend.get_reservations_by_instance_ids(
                instance_ids, filters=filter_dict
            )
        else:
            reservations = self.ec2_backend.all_reservations(filters=filter_dict)

        reservation_ids = [reservation.id for reservation in reservations]
        if token:
            start = reservation_ids.index(token) + 1
        else:
            start = 0
        max_results = int(self._get_param("MaxResults", 100))
        reservations_resp = reservations[start : start + max_results]
        next_token = None
        if max_results and len(reservations) > (start + max_results):
            next_token = reservations_resp[-1].id
        template = self.response_template(EC2_DESCRIBE_INSTANCES)
        return (
            template.render(reservations=reservations_resp, next_token=next_token)
            .replace("True", "true")
            .replace("False", "false")
        )

    def run_instances(self):
        min_count = int(self._get_param("MinCount", if_none="1"))
        image_id = self._get_param("ImageId")
        owner_id = self._get_param("OwnerId")
        user_data = self._get_param("UserData")
        security_group_names = self._get_multi_param("SecurityGroup")
        kwargs = {
            "instance_type": self._get_param("InstanceType", if_none="m1.small"),
            "placement": self._get_param("Placement.AvailabilityZone"),
            "region_name": self.region,
            "subnet_id": self._get_param("SubnetId"),
            "owner_id": owner_id,
            "key_name": self._get_param("KeyName"),
            "security_group_ids": self._get_multi_param("SecurityGroupId"),
            "nics": dict_from_querystring("NetworkInterface", self.querystring),
            "private_ip": self._get_param("PrivateIpAddress"),
            "associate_public_ip": self._get_param("AssociatePublicIpAddress"),
            "tags": self._parse_tag_specification("TagSpecification"),
            "ebs_optimized": self._get_param("EbsOptimized") or False,
            "instance_initiated_shutdown_behavior": self._get_param(
                "InstanceInitiatedShutdownBehavior"
            ),
        }

        mappings = self._parse_block_device_mapping()
        if mappings:
            kwargs["block_device_mappings"] = mappings

        if self.is_not_dryrun("RunInstance"):
            new_reservation = self.ec2_backend.add_instances(
                image_id, min_count, user_data, security_group_names, **kwargs
            )

            template = self.response_template(EC2_RUN_INSTANCES)
            return template.render(reservation=new_reservation)

    def terminate_instances(self):
        instance_ids = self._get_multi_param("InstanceId")
        if self.is_not_dryrun("TerminateInstance"):
            instances = self.ec2_backend.terminate_instances(instance_ids)
            autoscaling_backends[self.region].notify_terminate_instances(instance_ids)
            elbv2_backends[self.region].notify_terminate_instances(instance_ids)
            template = self.response_template(EC2_TERMINATE_INSTANCES)
            return template.render(instances=instances)

    def reboot_instances(self):
        instance_ids = self._get_multi_param("InstanceId")
        if self.is_not_dryrun("RebootInstance"):
            instances = self.ec2_backend.reboot_instances(instance_ids)
            template = self.response_template(EC2_REBOOT_INSTANCES)
            return template.render(instances=instances)

    def stop_instances(self):
        instance_ids = self._get_multi_param("InstanceId")
        if self.is_not_dryrun("StopInstance"):
            instances = self.ec2_backend.stop_instances(instance_ids)
            template = self.response_template(EC2_STOP_INSTANCES)
            return template.render(instances=instances)

    def start_instances(self):
        instance_ids = self._get_multi_param("InstanceId")
        if self.is_not_dryrun("StartInstance"):
            instances = self.ec2_backend.start_instances(instance_ids)
            template = self.response_template(EC2_START_INSTANCES)
            return template.render(instances=instances)

    def _get_list_of_dict_params(self, param_prefix, _dct):
        """
        Simplified version of _get_dict_param
        Allows you to pass in a custom dict instead of using self.querystring by default
        """
        params = []
        for key, value in _dct.items():
            if key.startswith(param_prefix):
                params.append(value)
        return params

    def describe_instance_status(self):
        instance_ids = self._get_multi_param("InstanceId")
        include_all_instances = self._get_param("IncludeAllInstances") == "true"
        filters = self._get_list_prefix("Filter")
        filters = [
            {"name": f["name"], "values": self._get_list_of_dict_params("value.", f)}
            for f in filters
        ]

        if instance_ids:
            instances = self.ec2_backend.get_multi_instances_by_id(
                instance_ids, filters
            )
        elif include_all_instances:
            instances = self.ec2_backend.all_instances(filters)
        else:
            instances = self.ec2_backend.all_running_instances(filters)

        template = self.response_template(EC2_INSTANCE_STATUS)
        return template.render(instances=instances)

    def describe_instance_types(self):
        instance_types = [
            InstanceType(name="t1.micro", cores=1, memory=644874240, disk=0)
        ]
        template = self.response_template(EC2_DESCRIBE_INSTANCE_TYPES)
        return template.render(instance_types=instance_types)

    def describe_instance_attribute(self):
        # TODO this and modify below should raise IncorrectInstanceState if
        # instance not in stopped state
        attribute = self._get_param("Attribute")
        instance_id = self._get_param("InstanceId")
        instance, value = self.ec2_backend.describe_instance_attribute(
            instance_id, attribute
        )

        if attribute == "groupSet":
            template = self.response_template(EC2_DESCRIBE_INSTANCE_GROUPSET_ATTRIBUTE)
        else:
            template = self.response_template(EC2_DESCRIBE_INSTANCE_ATTRIBUTE)

        return template.render(instance=instance, attribute=attribute, value=value)

    def describe_instance_credit_specifications(self):
        instance_ids = self._get_multi_param("InstanceId")
        instance = self.ec2_backend.describe_instance_credit_specifications(
            instance_ids
        )
        template = self.response_template(EC2_DESCRIBE_INSTANCE_CREDIT_SPECIFICATIONS)
        return template.render(instances=instance)

    def modify_instance_attribute(self):
        handlers = [
            self._dot_value_instance_attribute_handler,
            self._block_device_mapping_handler,
            self._security_grp_instance_attribute_handler,
        ]

        for handler in handlers:
            success = handler()
            if success:
                return success

        msg = (
            "This specific call to ModifyInstanceAttribute has not been"
            " implemented in Moto yet. Feel free to open an issue at"
            " https://github.com/spulec/moto/issues"
        )
        raise NotImplementedError(msg)

    def _block_device_mapping_handler(self):
        """
        Handles requests which are generated by code similar to:

            instance.modify_attribute(
                BlockDeviceMappings=[{
                    'DeviceName': '/dev/sda1',
                    'Ebs': {'DeleteOnTermination': True}
                }]
            )

        The querystring contains information similar to:

            BlockDeviceMapping.1.Ebs.DeleteOnTermination : ['true']
            BlockDeviceMapping.1.DeviceName : ['/dev/sda1']

        For now we only support the "BlockDeviceMapping.1.Ebs.DeleteOnTermination"
        configuration, but it should be trivial to add anything else.
        """
        mapping_counter = 1
        mapping_device_name_fmt = "BlockDeviceMapping.%s.DeviceName"
        mapping_del_on_term_fmt = "BlockDeviceMapping.%s.Ebs.DeleteOnTermination"
        while True:
            mapping_device_name = mapping_device_name_fmt % mapping_counter
            if mapping_device_name not in self.querystring.keys():
                break

            mapping_del_on_term = mapping_del_on_term_fmt % mapping_counter
            del_on_term_value_str = self.querystring[mapping_del_on_term][0]
            del_on_term_value = True if "true" == del_on_term_value_str else False
            device_name_value = self.querystring[mapping_device_name][0]

            instance_id = self._get_param("InstanceId")
            instance = self.ec2_backend.get_instance(instance_id)

            if self.is_not_dryrun("ModifyInstanceAttribute"):
                block_device_type = instance.block_device_mapping[device_name_value]
                block_device_type.delete_on_termination = del_on_term_value

            # +1 for the next device
            mapping_counter += 1

        if mapping_counter > 1:
            return EC2_MODIFY_INSTANCE_ATTRIBUTE

    def _dot_value_instance_attribute_handler(self):
        attribute_key = None
        for key, value in self.querystring.items():
            if ".Value" in key:
                attribute_key = key
                break

        if not attribute_key:
            return

        if self.is_not_dryrun("Modify" + attribute_key.split(".")[0]):
            value = self.querystring.get(attribute_key)[0]
            normalized_attribute = camelcase_to_underscores(attribute_key.split(".")[0])
            instance_id = self._get_param("InstanceId")
            self.ec2_backend.modify_instance_attribute(
                instance_id, normalized_attribute, value
            )
            return EC2_MODIFY_INSTANCE_ATTRIBUTE

    def _security_grp_instance_attribute_handler(self):
        new_security_grp_list = []
        for key, value in self.querystring.items():
            if "GroupId." in key:
                new_security_grp_list.append(self.querystring.get(key)[0])

        instance_id = self._get_param("InstanceId")
        if self.is_not_dryrun("ModifyInstanceSecurityGroups"):
            self.ec2_backend.modify_instance_security_groups(
                instance_id, new_security_grp_list
            )
            return EC2_MODIFY_INSTANCE_ATTRIBUTE

    def _parse_block_device_mapping(self):
        device_mappings = self._get_list_prefix("BlockDeviceMapping")
        mappings = []
        for device_mapping in device_mappings:
            self._validate_block_device_mapping(device_mapping)
            device_template = deepcopy(BLOCK_DEVICE_MAPPING_TEMPLATE)
            device_template["VirtualName"] = device_mapping.get("virtual_name")
            device_template["DeviceName"] = device_mapping.get("device_name")
            device_template["Ebs"]["SnapshotId"] = device_mapping.get(
                "ebs._snapshot_id"
            )
            device_template["Ebs"]["VolumeSize"] = device_mapping.get(
                "ebs._volume_size"
            )
            device_template["Ebs"]["DeleteOnTermination"] = self._convert_to_bool(
                device_mapping.get("ebs._delete_on_termination", False)
            )
            device_template["Ebs"]["VolumeType"] = device_mapping.get(
                "ebs._volume_type"
            )
            device_template["Ebs"]["Iops"] = device_mapping.get("ebs._iops")
            device_template["Ebs"]["Encrypted"] = self._convert_to_bool(
                device_mapping.get("ebs._encrypted", False)
            )
            mappings.append(device_template)

        return mappings

    @staticmethod
    def _validate_block_device_mapping(device_mapping):

        if not any(mapping for mapping in device_mapping if mapping.startswith("ebs.")):
            raise MissingParameterError("ebs")
        if (
            "ebs._volume_size" not in device_mapping
            and "ebs._snapshot_id" not in device_mapping
        ):
            raise MissingParameterError("size or snapshotId")

    @staticmethod
    def _convert_to_bool(bool_str):
        if isinstance(bool_str, bool):
            return bool_str

        if isinstance(bool_str, six.text_type):
            return str(bool_str).lower() == "true"

        return False


BLOCK_DEVICE_MAPPING_TEMPLATE = {
    "VirtualName": None,
    "DeviceName": None,
    "Ebs": {
        "SnapshotId": None,
        "VolumeSize": None,
        "DeleteOnTermination": None,
        "VolumeType": None,
        "Iops": None,
        "Encrypted": None,
    },
}

EC2_RUN_INSTANCES = (
    """<RunInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
  <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
  <reservationId>{{ reservation.id }}</reservationId>
  <ownerId>"""
    + ACCOUNT_ID
    + """</ownerId>
  <groupSet>
    <item>
      <groupId>sg-245f6a01</groupId>
      <groupName>default</groupName>
    </item>
  </groupSet>
  <instancesSet>
    {% for instance in reservation.instances %}
        <item>
          <instanceId>{{ instance.id }}</instanceId>
          <imageId>{{ instance.image_id }}</imageId>
          <instanceState>
            <code>0</code>
            <name>pending</name>
         </instanceState>
          <privateDnsName>{{ instance.private_dns }}</privateDnsName>
          <publicDnsName>{{ instance.public_dns }}</publicDnsName>
          <dnsName>{{ instance.public_dns }}</dnsName>
          <reason/>
          <keyName>{{ instance.key_name }}</keyName>
          <ebsOptimized>{{ instance.ebs_optimized }}</ebsOptimized>
          <amiLaunchIndex>{{ instance.ami_launch_index }}</amiLaunchIndex>
          <instanceType>{{ instance.instance_type }}</instanceType>
          <launchTime>{{ instance.launch_time }}</launchTime>
          <placement>
            <availabilityZone>{{ instance.placement}}</availabilityZone>
            <groupName/>
            <tenancy>default</tenancy>
          </placement>
          <monitoring>
            <state>enabled</state>
          </monitoring>
          {% if instance.subnet_id %}
            <subnetId>{{ instance.subnet_id }}</subnetId>
          {% elif instance.nics[0].subnet.id %}
            <subnetId>{{ instance.nics[0].subnet.id }}</subnetId>
          {% endif %}
          {% if instance.vpc_id %}
            <vpcId>{{ instance.vpc_id }}</vpcId>
          {% elif instance.nics[0].subnet.vpc_id %}
            <vpcId>{{ instance.nics[0].subnet.vpc_id }}</vpcId>
          {% endif %}
          <privateIpAddress>{{ instance.private_ip }}</privateIpAddress>
          {% if instance.nics[0].public_ip %}
              <ipAddress>{{ instance.nics[0].public_ip }}</ipAddress>
          {% endif %}
          <sourceDestCheck>{{ instance.source_dest_check }}</sourceDestCheck>
          <groupSet>
             {% for group in instance.dynamic_group_list %}
             <item>
                <groupId>{{ group.id }}</groupId>
                <groupName>{{ group.name }}</groupName>
             </item>
             {% endfor %}
          </groupSet>
          {% if instance.platform %}
          <platform>{{ instance.platform }}</platform>
          {% endif %}
          <virtualizationType>{{ instance.virtualization_type }}</virtualizationType>
          <architecture>{{ instance.architecture }}</architecture>
          <kernelId>{{ instance.kernel }}</kernelId>
          <clientToken/>
          <hypervisor>xen</hypervisor>
          <ebsOptimized>false</ebsOptimized>
          <tagSet>
            {% for tag in instance.get_tags() %}
              <item>
                <key>{{ tag.key }}</key>
                <value>{{ tag.value }}</value>
              </item>
            {% endfor %}
          </tagSet>
          <networkInterfaceSet>
            {% for nic in instance.nics.values() %}
              <item>
                <networkInterfaceId>{{ nic.id }}</networkInterfaceId>
                {% if nic.subnet %}
                  <subnetId>{{ nic.subnet.id }}</subnetId>
                  <vpcId>{{ nic.subnet.vpc_id }}</vpcId>
                {% endif %}
                <description>Primary network interface</description>
                <ownerId>"""
    + ACCOUNT_ID
    + """</ownerId>
                <status>in-use</status>
                <macAddress>1b:2b:3c:4d:5e:6f</macAddress>
                <privateIpAddress>{{ nic.private_ip_address }}</privateIpAddress>
                <sourceDestCheck>{{ instance.source_dest_check }}</sourceDestCheck>
                <groupSet>
                  {% for group in nic.group_set %}
                  <item>
                    <groupId>{{ group.id }}</groupId>
                    <groupName>{{ group.name }}</groupName>
                  </item>
                  {% endfor %}
                </groupSet>
                <attachment>
                  <attachmentId>{{ nic.attachment_id }}</attachmentId>
                  <deviceIndex>{{ nic.device_index }}</deviceIndex>
                  <status>attached</status>
                  <attachTime>2015-01-01T00:00:00Z</attachTime>
                  <deleteOnTermination>true</deleteOnTermination>
                </attachment>
                {% if nic.public_ip %}
                  <association>
                    <publicIp>{{ nic.public_ip }}</publicIp>
                    <ipOwnerId>"""
    + ACCOUNT_ID
    + """</ipOwnerId>
                  </association>
                {% endif %}
                <privateIpAddressesSet>
                  <item>
                    <privateIpAddress>{{ nic.private_ip_address }}</privateIpAddress>
                    <primary>true</primary>
                    {% if nic.public_ip %}
                      <association>
                        <publicIp>{{ nic.public_ip }}</publicIp>
                        <ipOwnerId>"""
    + ACCOUNT_ID
    + """</ipOwnerId>
                      </association>
                    {% endif %}
                  </item>
                </privateIpAddressesSet>
              </item>
            {% endfor %}
          </networkInterfaceSet>
        </item>
    {% endfor %}
  </instancesSet>
  </RunInstancesResponse>"""
)

EC2_DESCRIBE_INSTANCES = (
    """<DescribeInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
  <requestId>fdcdcab1-ae5c-489e-9c33-4637c5dda355</requestId>
      <reservationSet>
        {% for reservation in reservations %}
          <item>
            <reservationId>{{ reservation.id }}</reservationId>
            <ownerId>"""
    + ACCOUNT_ID
    + """</ownerId>
            <groupSet>
              {% for group in reservation.dynamic_group_list %}
              <item>
      {% if group.id %}
                <groupId>{{ group.id }}</groupId>
                <groupName>{{ group.name }}</groupName>
                {% else %}
                <groupId>{{ group }}</groupId>
                {% endif %}
              </item>
              {% endfor %}
            </groupSet>
            <instancesSet>
                {% for instance in reservation.instances %}
                  <item>
                    <instanceId>{{ instance.id }}</instanceId>
                    <imageId>{{ instance.image_id }}</imageId>
                    <instanceState>
                      <code>{{ instance._state.code }}</code>
                      <name>{{ instance._state.name }}</name>
                    </instanceState>
                    <privateDnsName>{{ instance.private_dns }}</privateDnsName>
                    <publicDnsName>{{ instance.public_dns }}</publicDnsName>
                    <dnsName>{{ instance.public_dns }}</dnsName>
                    <reason>{{ instance._reason }}</reason>
                    <keyName>{{ instance.key_name }}</keyName>
                    <ebsOptimized>{{ instance.ebs_optimized }}</ebsOptimized>
                    <amiLaunchIndex>{{ instance.ami_launch_index }}</amiLaunchIndex>
                    <productCodes/>
                    <instanceType>{{ instance.instance_type }}</instanceType>
                    <launchTime>{{ instance.launch_time }}</launchTime>
                    <placement>
                      <availabilityZone>{{ instance.placement }}</availabilityZone>
                      <groupName/>
                      <tenancy>default</tenancy>
                    </placement>
                    {% if instance.platform %}
                    <platform>{{ instance.platform }}</platform>
                    {% endif %}
                    <monitoring>
                      <state>disabled</state>
                    </monitoring>
                    {% if instance.subnet_id %}
                      <subnetId>{{ instance.subnet_id }}</subnetId>
                    {% elif instance.nics[0].subnet.id %}
                      <subnetId>{{ instance.nics[0].subnet.id }}</subnetId>
                    {% endif %}
                    {% if instance.vpc_id %}
                      <vpcId>{{ instance.vpc_id }}</vpcId>
                    {% elif instance.nics[0].subnet.vpc_id %}
                      <vpcId>{{ instance.nics[0].subnet.vpc_id }}</vpcId>
                    {% endif %}
                    <privateIpAddress>{{ instance.private_ip }}</privateIpAddress>
                    {% if instance.nics[0].public_ip %}
                        <ipAddress>{{ instance.nics[0].public_ip }}</ipAddress>
                    {% endif %}
                    <sourceDestCheck>{{ instance.source_dest_check }}</sourceDestCheck>
                    <groupSet>
                      {% for group in instance.dynamic_group_list %}
                      <item>
                      {% if group.id %}
                      <groupId>{{ group.id }}</groupId>
                      <groupName>{{ group.name }}</groupName>
                      {% else %}
                      <groupId>{{ group }}</groupId>
                      {% endif %}
                      </item>
                      {% endfor %}
                    </groupSet>
                    <stateReason>
                      <code>{{ instance._state_reason.code }}</code>
                      <message>{{ instance._state_reason.message }}</message>
                    </stateReason>
                    <architecture>{{ instance.architecture }}</architecture>
                    <kernelId>{{ instance.kernel }}</kernelId>
                    <rootDeviceType>ebs</rootDeviceType>
                    <rootDeviceName>/dev/sda1</rootDeviceName>
                    <blockDeviceMapping>
                        {% for device_name,deviceobject in instance.get_block_device_mapping %}
                      <item>
                         <deviceName>{{ device_name }}</deviceName>
                          <ebs>
                             <volumeId>{{ deviceobject.volume_id }}</volumeId>
                             <status>{{ deviceobject.status }}</status>
                             <attachTime>{{ deviceobject.attach_time }}</attachTime>
                             <deleteOnTermination>{{ deviceobject.delete_on_termination }}</deleteOnTermination>
                             <size>{{deviceobject.size}}</size>
                        </ebs>
                      </item>
                     {% endfor %}
                    </blockDeviceMapping>
                    <virtualizationType>{{ instance.virtualization_type }}</virtualizationType>
                    <clientToken>ABCDE"""
    + ACCOUNT_ID
    + """3</clientToken>
                    {% if instance.get_tags() %}
                    <tagSet>
                      {% for tag in instance.get_tags() %}
                        <item>
                          <resourceId>{{ tag.resource_id }}</resourceId>
                          <resourceType>{{ tag.resource_type }}</resourceType>
                          <key>{{ tag.key }}</key>
                          <value>{{ tag.value }}</value>
                        </item>
                      {% endfor %}
                    </tagSet>
                    {% endif %}
                    <hypervisor>xen</hypervisor>
                    <networkInterfaceSet>
                      {% for nic in instance.nics.values() %}
                        <item>
                          <networkInterfaceId>{{ nic.id }}</networkInterfaceId>
                          {% if nic.subnet %}
                            <subnetId>{{ nic.subnet.id }}</subnetId>
                            <vpcId>{{ nic.subnet.vpc_id }}</vpcId>
                          {% endif %}
                          <description>Primary network interface</description>
                          <ownerId>"""
    + ACCOUNT_ID
    + """</ownerId>
                          <status>in-use</status>
                          <macAddress>1b:2b:3c:4d:5e:6f</macAddress>
                          <privateIpAddress>{{ nic.private_ip_address }}</privateIpAddress>
                          <sourceDestCheck>{{ instance.source_dest_check }}</sourceDestCheck>
                          <groupSet>
                            {% for group in nic.group_set %}
                            <item>
               {% if group.id %}
               <groupId>{{ group.id }}</groupId>
               <groupName>{{ group.name }}</groupName>
               {% else %}
               <groupId>{{ group }}</groupId>
               {% endif %}
                            </item>
                            {% endfor %}
                          </groupSet>
                          <attachment>
                            <attachmentId>{{ nic.attachment_id }}</attachmentId>
                            <deviceIndex>{{ nic.device_index }}</deviceIndex>
                            <status>attached</status>
                            <attachTime>2015-01-01T00:00:00Z</attachTime>
                            <deleteOnTermination>true</deleteOnTermination>
                          </attachment>
                          {% if nic.public_ip %}
                            <association>
                              <publicIp>{{ nic.public_ip }}</publicIp>
                              <ipOwnerId>"""
    + ACCOUNT_ID
    + """</ipOwnerId>
                            </association>
                          {% endif %}
                          <privateIpAddressesSet>
                            <item>
                              <privateIpAddress>{{ nic.private_ip_address }}</privateIpAddress>
                              <primary>true</primary>
                              {% if nic.public_ip %}
                                <association>
                                  <publicIp>{{ nic.public_ip }}</publicIp>
                                  <ipOwnerId>"""
    + ACCOUNT_ID
    + """</ipOwnerId>
                                </association>
                              {% endif %}
                            </item>
                          </privateIpAddressesSet>
                        </item>
                      {% endfor %}
                    </networkInterfaceSet>
                  </item>
                {% endfor %}
            </instancesSet>
          </item>
        {% endfor %}
      </reservationSet>
      {% if next_token %}
      <nextToken>{{ next_token }}</nextToken>
      {% endif %}
</DescribeInstancesResponse>"""
)

EC2_TERMINATE_INSTANCES = """
<TerminateInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
  <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
  <instancesSet>
    {% for instance in instances %}
      <item>
        <instanceId>{{ instance.id }}</instanceId>
        <previousState>
          <code>16</code>
          <name>running</name>
        </previousState>
        <currentState>
          <code>32</code>
          <name>shutting-down</name>
        </currentState>
      </item>
    {% endfor %}
  </instancesSet>
</TerminateInstancesResponse>"""

EC2_STOP_INSTANCES = """
<StopInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
  <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
  <instancesSet>
    {% for instance in instances %}
      <item>
        <instanceId>{{ instance.id }}</instanceId>
        <previousState>
          <code>16</code>
          <name>running</name>
        </previousState>
        <currentState>
          <code>64</code>
          <name>stopping</name>
        </currentState>
      </item>
    {% endfor %}
  </instancesSet>
</StopInstancesResponse>"""

EC2_START_INSTANCES = """
<StartInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
  <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
  <instancesSet>
    {% for instance in instances %}
      <item>
        <instanceId>{{ instance.id }}</instanceId>
        <previousState>
          <code>16</code>
          <name>running</name>
        </previousState>
        <currentState>
          <code>0</code>
          <name>pending</name>
        </currentState>
      </item>
    {% endfor %}
  </instancesSet>
</StartInstancesResponse>"""

EC2_REBOOT_INSTANCES = """<RebootInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
  <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
  <return>true</return>
</RebootInstancesResponse>"""

EC2_DESCRIBE_INSTANCE_ATTRIBUTE = """<DescribeInstanceAttributeResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
  <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
  <instanceId>{{ instance.id }}</instanceId>
  <{{ attribute }}>
    {% if value is not none %}
    <value>{{ value }}</value>
    {% endif %}
  </{{ attribute }}>
</DescribeInstanceAttributeResponse>"""

EC2_DESCRIBE_INSTANCE_CREDIT_SPECIFICATIONS = """<DescribeInstanceCreditSpecificationsResponse xmlns="http://ec2.amazonaws.com/doc/2016-11-15/">
    <requestId>1b234b5c-d6ef-7gh8-90i1-j2345678901</requestId>
    <instanceCreditSpecificationSet>
       {% for instance in instances %}
      <item>
        <instanceId>{{ instance.id }}</instanceId>
        <cpuCredits>standard</cpuCredits>
      </item>
    {% endfor %}
    </instanceCreditSpecificationSet>
</DescribeInstanceCreditSpecificationsResponse>"""

EC2_DESCRIBE_INSTANCE_GROUPSET_ATTRIBUTE = """<DescribeInstanceAttributeResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
  <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
  <instanceId>{{ instance.id }}</instanceId>
  <{{ attribute }}>
    {% for sg in value %}
      <item>
        <groupId>{{ sg.id }}</groupId>
      </item>
    {% endfor %}
  </{{ attribute }}>
</DescribeInstanceAttributeResponse>"""

EC2_MODIFY_INSTANCE_ATTRIBUTE = """<ModifyInstanceAttributeResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
  <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
  <return>true</return>
</ModifyInstanceAttributeResponse>"""

EC2_INSTANCE_STATUS = """<?xml version="1.0" encoding="UTF-8"?>
<DescribeInstanceStatusResponse xmlns="http://ec2.amazonaws.com/doc/2013-10-15/">
    <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
    <instanceStatusSet>
      {% for instance in instances %}
        <item>
            <instanceId>{{ instance.id }}</instanceId>
            <availabilityZone>{{ instance.placement }}</availabilityZone>
            <instanceState>
                <code>{{ instance.state_code }}</code>
                <name>{{ instance.state }}</name>
            </instanceState>
            {% if instance.state_code == 16 %}
              <systemStatus>
                  <status>ok</status>
                  <details>
                      <item>
                          <name>reachability</name>
                          <status>passed</status>
                      </item>
                  </details>
              </systemStatus>
              <instanceStatus>
                  <status>ok</status>
                  <details>
                      <item>
                          <name>reachability</name>
                          <status>passed</status>
                      </item>
                  </details>
              </instanceStatus>
            {% else %}
              <systemStatus>
                  <status>not-applicable</status>
              </systemStatus>
              <instanceStatus>
                  <status>not-applicable</status>
              </instanceStatus>
            {% endif %}
        </item>
      {% endfor %}
    </instanceStatusSet>
</DescribeInstanceStatusResponse>"""

EC2_DESCRIBE_INSTANCE_TYPES = """<?xml version="1.0" encoding="UTF-8"?>
<DescribeInstanceTypesResponse xmlns="http://api.outscale.com/wsdl/fcuext/2014-04-15/">
    <requestId>f8b86168-d034-4e65-b48d-3b84c78e64af</requestId>
    <instanceTypeSet>
    {% for instance_type in instance_types %}
        <item>
            <instanceType>{{ instance_type.name }}</instanceType>
            <vCpuInfo>
                <defaultVCpus>{{ instance_type.cores }}</defaultVCpus>
                <defaultCores>{{ instance_type.cores }}</defaultCores>
                <defaultThreadsPerCore>1</defaultThreadsPerCore>
            </vCpuInfo>
            <memoryInfo>
                <sizeInMiB>{{ instance_type.memory }}</sizeInMiB>
            </memoryInfo>
            <instanceStorageInfo>
                <totalSizeInGB>{{ instance_type.disk }}</totalSizeInGB>
            </instanceStorageInfo>
            <processorInfo>
                <supportedArchitectures>
                    <item>
                        x86_64
                    </item>
                </supportedArchitectures>
            </processorInfo>
        </item>
    {% endfor %}
    </instanceTypeSet>
</DescribeInstanceTypesResponse>"""