// Copyright 2019 Yunion
//
// Licensed 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.
// See the License for the specific language governing permissions and
// limitations under the License.

package aliyun

import (
	"fmt"
	"time"

	"yunion.io/x/jsonutils"
	"yunion.io/x/pkg/errors"

	api "yunion.io/x/cloudmux/pkg/apis/compute"
	"yunion.io/x/cloudmux/pkg/cloudprovider"
	"yunion.io/x/cloudmux/pkg/multicloud"
)

type SResourceGroup struct {
	multicloud.SProjectBase
	AliyunTags
	client *SAliyunClient

	Status      string
	DisplayName string
	Id          string
	CreateDate  time.Time
	Name        string
}

func (self *SResourceGroup) GetGlobalId() string {
	return self.Id
}

func (self *SResourceGroup) GetId() string {
	return self.Id
}

func (self *SResourceGroup) GetName() string {
	if len(self.DisplayName) > 0 {
		return self.DisplayName
	}
	return self.Name
}

func (self *SResourceGroup) Refresh() error {
	group, err := self.client.GetResourceGroup(self.Id)
	if err != nil {
		return errors.Wrap(err, "GetResourceGroup")
	}
	return jsonutils.Update(self, group)
}

func (self *SResourceGroup) GetStatus() string {
	switch self.Status {
	case "Creating":
		return api.EXTERNAL_PROJECT_STATUS_CREATING
	case "OK":
		return api.EXTERNAL_PROJECT_STATUS_AVAILABLE
	case "Deleted", "Deleting", "PendingDelete":
		return api.EXTERNAL_PROJECT_STATUS_DELETING
	default:
		return api.EXTERNAL_PROJECT_STATUS_UNKNOWN
	}
}

func (self *SAliyunClient) GetResourceGroups(pageNumber int, pageSize int) ([]SResourceGroup, int, error) {
	if pageSize <= 0 || pageSize > 100 {
		pageSize = 10
	}
	if pageNumber <= 0 {
		pageNumber = 1
	}
	params := map[string]string{
		"PageNumber":  fmt.Sprintf("%d", pageNumber),
		"PageSize":    fmt.Sprintf("%d", pageSize),
		"IncludeTags": "true",
	}
	resp, err := self.rmRequest("ListResourceGroups", params)
	if err != nil {
		return nil, 0, errors.Wrap(err, "rmRequest.ListResourceGroups")
	}
	groups := []SResourceGroup{}
	err = resp.Unmarshal(&groups, "ResourceGroups", "ResourceGroup")
	if err != nil {
		return nil, 0, errors.Wrap(err, "resp.Unmarshal")
	}
	total, _ := resp.Int("TotalCount")
	return groups, int(total), nil
}

func (self *SAliyunClient) CreateIProject(name string) (cloudprovider.ICloudProject, error) {
	group, err := self.CreateResourceGroup(name)
	if err != nil {
		return nil, errors.Wrap(err, "CreateProject")
	}
	return group, nil
}

func (self *SAliyunClient) CreateResourceGroup(name string) (*SResourceGroup, error) {
	params := map[string]string{
		"DisplayName": name,
		"Name":        name,
	}
	resp, err := self.rmRequest("CreateResourceGroup", params)
	if err != nil {
		return nil, errors.Wrap(err, "CreateResourceGroup")
	}
	group := &SResourceGroup{client: self}
	err = resp.Unmarshal(group, "ResourceGroup")
	if err != nil {
		return nil, errors.Wrap(err, "resp.Unmarshal")
	}
	err = cloudprovider.WaitStatus(group, api.EXTERNAL_PROJECT_STATUS_AVAILABLE, time.Second*5, time.Minute*3)
	if err != nil {
		return nil, errors.Wrap(err, "WaitStatus")
	}
	return group, nil
}

func (self *SAliyunClient) GetResourceGroup(id string) (*SResourceGroup, error) {
	params := map[string]string{
		"ResourceGroupId": id,
	}
	resp, err := self.rmRequest("GetResourceGroup", params)
	if err != nil {
		return nil, err
	}
	group := &SResourceGroup{client: self}
	err = resp.Unmarshal(group, "ResourceGroup")
	if err != nil {
		return nil, errors.Wrap(err, "resp.Unmarshal")
	}
	return group, nil
}