// 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 cloudprovider

import (
	"fmt"
	"io"
	"time"
)

type TImageType string

const (
	IMAGE_STATUS_ACTIVE  = "active"
	IMAGE_STATUS_QUEUED  = "queued"
	IMAGE_STATUS_SAVING  = "saving"
	IMAGE_STATUS_KILLED  = "killed"
	IMAGE_STATUS_DELETED = "deleted"

	ImageTypeSystem     = TImageType("system")
	ImageTypeCustomized = TImageType("customized")
	ImageTypeShared     = TImageType("shared")
	ImageTypeMarket     = TImageType("market")
)

type SImage struct {
	Checksum string
	// ContainerFormat string
	CreatedAt  time.Time
	Deleted    bool
	DiskFormat string
	Id         string
	IsPublic   bool
	MinDiskMB  int `json:"min_disk"`
	MinRamMB   int `json:"min_ram"`
	Name       string
	Owner      string
	Properties map[string]string
	Protected  bool
	SizeBytes  int64 `json:"size"`
	Status     string
	// UpdatedAt       time.Time
	PublicScope string
	ExternalId  string

	// SubImages record the subImages of the guest image.
	// For normal image, it's nil.
	SubImages []SSubImage

	// EncryptKeyId
	EncryptKeyId string
}

type SSubImage struct {
	Index     int
	MinDiskMB int
	MinRamMb  int
	SizeBytes int64
}

type SaveImageOptions struct {
	Name  string
	Notes string
}

func CloudImage2Image(image ICloudImage) SImage {
	uefiSupport := false
	if image.GetBios() == UEFI {
		uefiSupport = true
	}
	return SImage{
		CreatedAt:  image.GetCreatedAt(),
		Deleted:    false,
		DiskFormat: image.GetImageFormat(),
		Id:         image.GetId(),
		IsPublic:   image.GetImageType() != ImageTypeCustomized,
		MinDiskMB:  image.GetMinOsDiskSizeGb() * 1024,
		MinRamMB:   image.GetMinRamSizeMb(),
		Name:       image.GetName(),
		Properties: map[string]string{
			"os_full_name":    image.GetFullOsName(),
			"os_type":         string(image.GetOsType()),
			"os_distribution": image.GetOsDist(),
			"os_version":      image.GetOsVersion(),
			"os_arch":         image.GetOsArch(),
			"os_language":     image.GetOsLang(),
			"uefi_support":    fmt.Sprintf("%v", uefiSupport),
		},
		Protected: true,
		SizeBytes: image.GetSizeByte(),
		Status:    image.GetImageStatus(),
		SubImages: image.GetSubImages(),
	}
}

type SImageCreateOption struct {
	ImageId        string
	ExternalId     string
	ImageName      string
	Description    string
	MinDiskMb      int
	MinRamMb       int
	Checksum       string
	OsType         string
	OsArch         string
	OsDistribution string
	OsVersion      string
	OsFullVersion  string

	GetReader func(imageId, format string) (io.Reader, int64, error)

	// 镜像临时存储位置
	TmpPath string
}

type SImageExportOptions struct {
	BucketName string
}

type SImageExportInfo struct {
	DownloadUrl    string
	Name           string
	CompressFormat string
}