package models

/// TODO 将分散在各处的公共结构体定义集中到这里来

type RedundancyData interface{}
type RedundancyDataConst interface {
	RepRedundancyData | ECRedundancyData | RedundancyData
}
type RepRedundancyData struct {
	FileHash string `json:"fileHash"`
}

func NewRedundancyRepData(fileHash string) RepRedundancyData {
	return RepRedundancyData{
		FileHash: fileHash,
	}
}

type ECRedundancyData struct {
	Ec     EC                `json:"ec"`
	Blocks []ObjectBlockData `json:"blocks"`
}

func NewRedundancyEcData(ec EC, blocks []ObjectBlockData) ECRedundancyData {
	return ECRedundancyData{
		Ec:     ec,
		Blocks: blocks,
	}
}

type EC struct {
	ID   int    `json:"id"`
	Name string `json:"name"`
	EcK  int    `json:"ecK"`
	EcN  int    `json:"ecN"`
}

type ObjectBlockData struct {
	Index    int     `json:"index"`
	FileHash string  `json:"fileHash"`
	NodeIDs  []int64 `json:"nodeIDs"`
}

func NewObjectBlockData(index int, fileHash string, nodeIDs []int64) ObjectBlockData {
	return ObjectBlockData{
		Index:    index,
		FileHash: fileHash,
		NodeIDs:  nodeIDs,
	}
}

func NewEc(id int, name string, ecK int, ecN int) EC {
	return EC{
		ID:   id,
		Name: name,
		EcK:  ecK,
		EcN:  ecN,
	}
}

type ObjectRepData struct {
	ObjectID int64   `json:"objectID"`
	FileHash string  `json:"fileHash"`
	NodeIDs  []int64 `json:"nodeIDs"`
}

func NewObjectRepData(objectID int64, fileHash string, nodeIDs []int64) ObjectRepData {
	return ObjectRepData{
		ObjectID: objectID,
		FileHash: fileHash,
		NodeIDs:  nodeIDs,
	}
}

type ObjectECData struct {
	Blocks []ObjectBlockData `json:"blocks"`
}

func NewObjectECData(blocks []ObjectBlockData) ObjectECData {
	return ObjectECData{
		Blocks: blocks,
	}
}

type LocalMachineInfo struct {
	NodeID     *int64 `json:"nodeID"`
	ExternalIP string `json:"externalIP"`
	LocalIP    string `json:"localIP"`
}