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# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# limitations under the License.

from libcloud.compute.base import Node, NodeSize, NodeImage
from libcloud.compute.providers import Provider
from libcloud.compute.drivers.cloudstack import CloudStackNodeDriver


class KTUCloudNodeDriver(CloudStackNodeDriver):
    """Driver for KTUCloud Compute platform."""

    EMPTY_DISKOFFERINGID = "0"
    type = Provider.KTUCLOUD
    name = "KTUCloud"
    website = "https://ucloudbiz.olleh.com/"

    def list_images(self, location=None):
        args = {"templatefilter": "executable"}
        if location is not None:
            args["zoneid"] = location.id

        imgs = self._sync_request(command="listAvailableProductTypes", method="GET")
        images = []

        for img in imgs["producttypes"]:
            images.append(
                NodeImage(
                    img["serviceofferingid"],
                    img["serviceofferingdesc"],
                    self,
                    {
                        "hypervisor": "",
                        "format": "",
                        "os": img["templatedesc"],
                        "templateid": img["templateid"],
                        "zoneid": img["zoneid"],
                    },
                )
            )

        return images

    def list_sizes(self, location=None):
        szs = self._sync_request("listAvailableProductTypes")
        sizes = []
        for sz in szs["producttypes"]:
            diskofferingid = sz.get("diskofferingid", self.EMPTY_DISKOFFERINGID)
            sizes.append(NodeSize(diskofferingid, sz["diskofferingdesc"], 0, 0, 0, 0, self))
        return sizes

    def create_node(self, name, size, image, location=None, ex_usageplantype="hourly"):
        params = {
            "displayname": name,
            "serviceofferingid": image.id,
            "templateid": str(image.extra["templateid"]),
            "zoneid": str(image.extra["zoneid"]),
        }

        if ex_usageplantype is None:
            params["usageplantype"] = "hourly"
        else:
            params["usageplantype"] = ex_usageplantype

        if size.id != self.EMPTY_DISKOFFERINGID:
            params["diskofferingid"] = size.id

        result = self._async_request(command="deployVirtualMachine", params=params, method="GET")

        node = result["virtualmachine"]

        return Node(
            id=node["id"],
            name=node["displayname"],
            state=self.NODE_STATE_MAP[node["state"]],
            public_ips=[],
            private_ips=[],
            driver=self,
            extra={
                "zoneid": image.extra["zoneid"],
                "ip_addresses": [],
                "forwarding_rules": [],
            },
        )