/*
Copyright (c) 2019-2021 Digital Energy Cloud Solutions LLC. All Rights Reserved.
Author: Sergey Shubin, <sergey.shubin@digitalenergy.online>, <svs1370@gmail.com>

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.
*/

/*
This file is part of Terraform (by Hashicorp) provider for Digital Energy Cloud Orchestration
Technology platfom.

Visit https://github.com/rudecs/terraform-provider-decort for full source code package and updates.
*/

package decort

import (
	"time"
)

//
// timeouts for API calls from CRUD functions of Terraform plugin
var Timeout30s = time.Second * 30
var Timeout60s = time.Second * 60
var Timeout180s = time.Second * 180

//
// structures related to /cloudapi/rg/list API
//
type UserAclRecord struct {
	IsExplicit bool   `json:"explicit"`
	Rights     string `json:"right"`
	Status     string `json:"status"`
	Type       string `json:"type"`
	UgroupID   string `json:"userGroupId"`
	// CanBeDeleted bool      `json:"canBeDeleted"`
}

type AccountAclRecord struct {
	IsExplicit bool   `json:"explicit"`
	Guid       string `json:"guid"`
	Rights     string `json:"right"`
	Status     string `json:"status"`
	Type       string `json:"type"`
	UgroupID   string `json:"userGroupId"`
}

type ResgroupRecord struct {
	ACLs           []UserAclRecord  `json:"ACLs"`
	Owner          AccountAclRecord `json:"accountAcl"`
	AccountID      int              `json:"accountId"`
	AccountName    string           `json:"accountName"`
	CreatedBy      string           `json:"createdBy"`
	CreatedTime    uint64           `json:"createdTime"`
	DefaultNetID   int              `json:"def_net_id"`
	DefaultNetType string           `json:"def_net_type"`
	Decsription    string           `json:"desc"`
	GridID         int              `json:"gid"`
	ID             uint             `json:"id"`
	LockStatus     string           `json:"lockStatus"`
	Name           string           `json:"name"`
	Status         string           `json:"status"`
	UpdatedBy      string           `json:"updatedBy"`
	UpdatedTime    uint64           `json:"updatedTime"`
	Vins           []int            `json:"vins"`
	Computes       []int            `json:"vms"`
}

const ResgroupListAPI = "/restmachine/cloudapi/rg/list"

type ResgroupListResp []ResgroupRecord

//
// structures related to /cloudapi/rg/create API call
//
const ResgroupCreateAPI = "/restmachine/cloudapi/rg/create"

//
// structures related to /cloudapi/rg/update API call
//
const ResgroupUpdateAPI = "/restmachine/cloudapi/rg/update"

type ResgroupUpdateParam struct {
	RgId       int    `json:"rgId"`
	Name       string `json:"name"`
	Desc       string `json:"decs"`
	Ram        int    `json:"maxMemoryCapacity"`
	Disk       int    `json:"maxVDiskCapacity"`
	Cpu        int    `json:"maxCPUCapacity"`
	NetTraffic int    `json:"maxNetworkPeerTransfer"`
	Reason     string `json:"reason"`
}

//
// structures related to /cloudapi/rg/get API call
//
type QuotaRecord struct { // this is how quota is reported by /api/.../rg/get
	Cpu        int `json:"CU_C"`      // CPU count in pcs
	Ram        int `json:"CU_M"`      // RAM volume in MB
	Disk       int `json:"CU_D"`      // Disk capacity in GB
	ExtIPs     int `json:"CU_I"`      // Ext IPs count
	ExtTraffic int `json:"CU_NP"`     // Ext network traffic
	GpuUnits   int `json:"gpu_units"` // GPU count
}

type ResourceRecord struct { // this is how actual usage is reported by /api/.../rg/get
	Cpu        int `json:"cpu"`
	Disk       int `json:"disksize"`
	ExtIPs     int `json:"extips"`
	ExtTraffic int `json:"exttraffic"`
	Gpu        int `json:"gpu"`
	Ram        int `json:"ram"`
}

type UsageRecord struct {
	Current  ResourceRecord `json:"Current"`
	Reserved ResourceRecord `json:"Reserved"`
}

const ResgroupGetAPI = "/restmachine/cloudapi/rg/get"

type ResgroupGetResp struct {
	ACLs        []UserAclRecord `json:"ACLs"`
	Usage       UsageRecord     `json:"Resources"`
	AccountID   int             `json:"accountId"`
	AccountName string          `json:"accountName"`
	GridID int                  `json:"gid"`
	CreatedBy      string      `json:"createdBy"`
	CreatedTime    uint64      `json:"createdTime"`
	DefaultNetID   int         `json:"def_net_id"`
	DefaultNetType string      `json:"def_net_type"`
	DeletedBy      string      `json:"deletedBy"`
	DeletedTime    uint64      `json:"deletedTime"`
	Desc           string      `json:"desc"`
	ID             uint        `json:"id"`
	LockStatus     string      `json:"lockStatus"`
	Name           string      `json:"name"`
	Quota          QuotaRecord `json:"resourceLimits"`
	Status         string      `json:"status"`
	UpdatedBy      string      `json:"updatedBy"`
	UpdatedTime    uint64      `json:"updatedTime"`
	Vins           []int       `json:"vins"`
	Computes       []int       `json:"vms"`

	Ignored map[string]interface{} `json:"-"`
}

//
// structures related to /cloudapi/rg/delete API
//
const ResgroupDeleteAPI = "/restmachine/cloudapi/rg/delete"

//
// structures related to /cloudapi/rg/listComputes API
//
type ComputeBriefRecord struct { // this is a brief compute specifiaction as returned by API rg/listComputes
	// we do not even include here all fields as returned by this API, but only the most important that
	// are really necessary to identify and distinguish computes
	AccountID   int    `json:"accountId"`
	AccountName string `json:"accountName"`
	Name        string `json:"name"`
	ID          uint   `json:"id"`
	RgID        int    `json:"rgId"`
	RgName      string `json:"rgName"`
	Status      string `json:"status"`
	TechStatus  string `json:"techStatus"`
}

const RgListComputesAPI = "/restmachine/cloudapi/rg/listComputes"

type RgListComputesResp []ComputeBriefRecord

//
// structures related to /cloudapi/kvmXXX/create APIs
//
const KvmX86CreateAPI = "/restmachine/cloudapi/kvmx86/create"
const KvmPPCCreateAPI = "/restmachine/cloudapi/kvmppc/create"

type KvmVmCreateParam struct { // this is unified structure for both x86 and PPC based KVM VMs creation
	RgID        uint   `json:"rgId"`
	Name        string `json:"name"`
	Cpu         int    `json:"cpu"`
	Ram         int    `json:"ram"`
	ImageID     int    `json:"imageId"`
	BootDisk    int    `json:"bootDisk"`
	NetType     string `json:"netType"`
	NetId       int    `json:"netId"`
	IPAddr      string `json:"ipAddr"`
	UserData    string `json:"userdata"`
	Desc        string `json:"desc"`
	Start       bool   `json:"start"`
}

// structures related to cloudapi/compute/delete API
const ComputeDeleteAPI = "/restmachine/cloudapi/compute/delete"

//
// structures related to /cloudapi/compute/list API
//

type InterfaceQosRecord struct {
	ERate   int    `json:"eRate"`
	Guid    string `json:"guid"`
	InBurst int    `json:"inBurst"`
	InRate  int    `json:"inRate"`
}

type InterfaceRecord struct {
	ConnID    int                `json:"connId"`   // This is VLAN ID or VxLAN ID, depending on ConnType
	ConnType  string             `json:"connType"` // Either "VLAN" or "VXLAN" tag
	DefaultGW string             `json:"defGw"`
	Guid      string             `json:"guid"`
	IPAddress string             `json:"ipAddress"` // without trailing network mask, i.e. "192.168.1.3"
	MAC       string             `json:"mac"`
	Name      string             `json:"name"`
	NetID     int                `json:"netId"` // This is either ExtNet ID or ViNS ID, depending on NetType
	NetMask   int                `json:"netMask"`
	NetType   string             `json:"netType"` // Either "EXTNET" or "VINS" tag
	PciSlot   int                `json:"pciSlot"`
	Target    string             `json:"target"`
	Type      string             `json:"type"`
	VNFs      []int              `json:"vnfs"`
	QOS       InterfaceQosRecord `json:"qos"`
}

type SnapSetRecord struct {
	Disks     []int  `json:"disks"`
	Guid      string `json:"guid"`
	Label     string `json:"label"`
	TimeStamp uint64 `json:"timestamp"`
}

type ComputeRecord struct {
	AccountID      int               `json:"accountId"`
	AccountName    string            `json:"accountName"`
	ACLs           []UserAclRecord   `json:"acl"`
	Arch           string            `json:"arch"`
	BootDiskSize   int               `json:"bootdiskSize"`
	CloneReference int               `json:"cloneReference"`
	Clones         []int             `json:"clones"`
	Cpus           int               `json:"cpus"`
	CreatedBy      string            `json:"createdBy"`
	CreatedTime    uint64            `json:"createdTime"`
	DeletedBy      string            `json:"deletedBy"`
	DeletedTime    uint64            `json:"deletedTime"`
	Desc           string            `json:"desc"`
	Disks          []int             `json:"disks"`
	GridID         int               `json:"gid"`
	ID             uint              `json:"id"`
	ImageID        int               `json:"imageId"`
	Interfaces     []InterfaceRecord `json:"interfaces`
	LockStatus     string            `json:"lockStatus"`
	ManagerID      int               `json:"managerId"`
	Name           string            `json:"name"`
	Ram            int               `json:"ram"`
	RgID           int               `json:"rgId"`
	RgName         string            `json:"rgName"`
	SnapSets       []SnapSetRecord   `json:"snapSets"`
	Status         string            `json:"status"`
	Tags           []string          `json:"tags"`
	TechStatus     string            `json:"techStatus"`
	TotalDiskSize  int               `json:"totalDiskSize"`
	UpdatedBy      string            `json:"updatedBy"`
	UpdateTime     uint64            `json:"updateTime"`
	UserManaged    bool              `json:"userManaged"`
	Vgpus          []int             `json:"vgpus"`
	VinsConnected  int               `json:"vinsConnected"`
	VirtualImageID int               `json:"virtualImageId"`
}

const ComputeListAPI = "/restmachine/cloudapi/compute/list"

type ComputeListResp []ComputeRecord

//
// structures related to /cloudapi/compute/get
//
type SnapshotRecord struct {
	Guid        string `json:"guid"`
	Label       string `json:"label"`
	SnapSetGuid string `json:"snapSetGuid"`
	SnapSetTime uint64 `json:"snapSetTime"`
	TimeStamp   uint64 `json:"timestamp"`
}

type DiskRecord struct {
	// ACLs `json:"ACL"` - it is a dictionary, special parsing required
	// was - Acl map[string]string  `json:"acl"`
	AccountID       int    `json:"accountId"`
	AccountName     string `json:"accountName"` // NOTE: absent from compute/get output
	BootPartition   int    `json:"bootPartition"`
	CreatedTime     uint64 `json:"creationTime"`
	DeletedTime     uint64 `json:"deletionTime"`
	Desc            string `json:"descr"`
	DestructionTime uint64 `json:"destructionTime"`
	DiskPath        string `json:"diskPath"`
	GridID          int    `json:"gid"`
	ID              uint   `json:"id"`
	ImageID         int    `json:"imageId"`
	Images          []int  `json:"images"`
	// IOTune 'json:"iotune" - it is a dictionary
	Name string `json:"name"`
	// Order                   `json:"order"`
	ParentId int `json:"parentId"`
	PciSlot  int `json:"pciSlot"`
	// ResID string           `json:"resId"`
	// ResName string         `json:"resName"`
	// Params string          `json:"params"`
	Pool      string `json:"pool"`
	PurgeTime uint64 `json:"purgeTime"`
	// Role string            `json:"role"`
	SepType    string           `json:"sepType"`
	SepID      int              `json:"sepid"`
	SizeMax    int              `json:"sizeMax"`
	SizeUsed   int              `json:"sizeUsed"` // sum over all snapshots of this disk to report total consumed space
	Snapshots  []SnapshotRecord `json:"snapshots"`
	Status     string           `json:"status"`
	TechStatus string           `json:"techStatus"`
	Type       string           `json:"type"`
	ComputeID  int              `json:"vmid"`
}

type OsUserRecord struct {
	Guid     string `json:"guid"`
	Login    string `json:"login"`
	Password string `json:"password"`
	PubKey   string `json:"pubkey"`
}

const ComputeGetAPI = "/restmachine/cloudapi/compute/get"

type ComputeGetResp struct {
	// ACLs `json:"ACL"` - it is a dictionary, special parsing required
	AccountID          int               `json:"accountId"`
	AccountName        string            `json:"accountName"`
	Arch               string            `json:"arch"`
	BootDiskSize       int               `json:"bootdiskSize"`
	CloneReference     int               `json:"cloneReference"`
	Clones             []int             `json:"clones"`
	Cpu                int               `json:"cpus"`
	Desc               string            `json:"desc"`
	Disks              []DiskRecord      `json:"disks"`
	GridID             int               `json:"gid"`
	ID                 uint              `json:"id"`
	ImageID            int               `json:"imageId"`
	ImageName          string            `json:"imageName"`
	Interfaces         []InterfaceRecord `json:"interfaces`
	LockStatus         string            `json:"lockStatus"`
	ManagerID          int               `json:"managerId"`
	ManagerType        string            `json:"manageType"`
	Name               string            `json:"name"`
	NatableVinsID      int               `json:"natableVinsId"`
	NatableVinsIP      string            `json:"natableVinsIp"`
	NatableVinsName    string            `json:"natableVinsName"`
	NatableVinsNet     string            `json:"natableVinsNetwork"`
	NatableVinsNetName string            `json:"natableVinsNetworkName"`
	OsUsers            []OsUserRecord    `json:"osUsers"`
	Ram                int               `json:"ram"`
	RgID               int               `json:"rgId"`
	RgName             string            `json:"rgName"`
	SnapSets           []SnapSetRecord   `json:"snapSets"`
	Status             string            `json:"status"`
	Tags               []string          `json:"tags"`
	TechStatus         string            `json:"techStatus"`
	TotalDiskSize      int               `json:"totalDiskSize"`
	UpdatedBy          string            `json:"updatedBy"`
	UpdateTime         uint64            `json:"updateTime"`
	UserManaged        bool              `json:"userManaged"`
	Vgpus              []int             `json:"vgpus"`
	VinsConnected      int               `json:"vinsConnected"`
	VirtualImageID     int               `json:"virtualImageId"`
}

//
// structures related to /restmachine/cloudapi/images/list API
//
type ImageRecord struct {
	AccountID   uint   `json:"accountId"`
	Arch        string `json:"architecture`
	BootType    string `json:"bootType"`
	IsBootable  bool   `json:"bootable"`
	IsCdrom     bool   `json:"cdrom"`
	Desc        string `json:"description"`
	IsHotResize bool   `json:"hotResize"`
	ID          uint   `json:"id"`
	Name        string `json:"name"`
	Pool        string `json:"pool"`
	SepID       int    `json:"sepid"`
	Size        int    `json:"size"`
	Status      string `json:"status"`
	Type        string `json:"type"`
	Username    string `json:"username"`
	IsVirtual   bool   `json:"virtual"`
}

const ImagesListAPI = "/restmachine/cloudapi/images/list"

type ImagesListResp []ImageRecord

//
// structures related to /cloudapi/extnet/list API
//
type ExtNetRecord struct {
	Name   string `json:"name"`
	ID     uint   `json:"id"`
	IPCIDR string `json:"ipcidr"`
}

const ExtNetListAPI = "/restmachine/cloudapi/extnet/list"

type ExtNetListResp []ExtNetRecord

//
// structures related to /cloudapi/accounts/list API
//
type AccountRecord struct {
	// ACLs        []UserAclRecord `json:"acl"`
	// CreatedTime uint64          `json:"creationTime"`
	// DeletedTime uint64          `json:"deletionTime"`
	ID     int    `json:"id"`
	Name   string `json:"name"`
	Status string `json:"status"`
	// UpdatedTime uint64          `json:"updateTime"`
}

const AccountsGetAPI = "/restmachine/cloudapi/accounts/get" // returns AccountRecord superset

const AccountsListAPI = "/restmachine/cloudapi/accounts/list" // returns list of abdridged info about accounts
type AccountsListResp []AccountRecord

//
// structures related to /cloudapi/portforwarding/list API
//
type PfwRecord struct {
	ID              int    `json:"id"`
	LocalIP         string `json:"localIp`
	LocalPort       int    `json:"localPort"`
	Protocol        string `json:"protocol"`
	PublicPortEnd   int    `json:"publicPortEnd"`
	PublicPortStart int    `json:"publicPortStart"`
	ComputeID       int    `json:"vmId"`
}

const ComputePfwListAPI = "/restmachine/cloudapi/compute/pfwList"

type ComputePfwListResp []PfwRecord

const ComputePfwAddAPI = "/restmachine/cloudapi/compute/pfwAdd"

const ComputePfwDelAPI = "/restmachine/cloudapi/compute/pfwDel"

//
// structures related to /cloudapi/compute/net Attach/Detach API
//
const ComputeNetAttachAPI = "/restmachine/cloudapi/compute/netAttach"

const ComputeNetDetachAPI = "/restmachine/cloudapi/compute/netDetach"

//
// structures related to /cloudapi/compute/disk Attach/Detach API
//
const ComputeDiskAttachAPI = "/restmachine/cloudapi/compute/diskAttach"

const ComputeDiskDetachAPI = "/restmachine/cloudapi/compute/diskDetach"

//
// structures related to /cloudapi/disks/create
//
type DiskCreateParam struct {
	AccountID   int    `json:"accountId`
	GridID      int    `json:"gid"`
	Name        string `json:"string"`
	Description string `json:"description"`
	Size        int    `json:"size"`
	Type        string `json:"type"`
	SepID       int    `json:"sep_id"`
	Pool        string `json:"pool"`
}

const DiskCreateAPI = "/restmachine/cloudapi/disks/create"

//
// structures related to /cloudapi/disks/get
//
const DisksCreateAPI = "/restmachine/cloudapi/disks/create"

const DisksGetAPI = "/restmachine/cloudapi/disks/get" // Returns single DiskRecord on success

const DisksListAPI = "/restmachine/cloudapi/disks/list" // Returns list of DiskRecord on success
type DisksListResp []DiskRecord

//
// Auxiliary structures
//
type SshKeyConfig struct {
	User      string
	SshKey    string
	UserShell string
}