package session

import "time"

const (
	DataPlaneCandidateDirectWorkerWSS = "direct_worker_wss"
	DataPlaneCandidateBackendGateway  = "backend_gateway"

	DataPlaneChannelControl      = "control"
	DataPlaneChannelInput        = "input"
	DataPlaneChannelRender       = "render"
	DataPlaneChannelClipboard    = "clipboard"
	DataPlaneChannelFileUpload   = "file_upload"
	DataPlaneChannelFileDownload = "file_download"
	DataPlaneChannelTelemetry    = "telemetry"
)

type DataPlaneOffer struct {
	Preferred  string               `json:"preferred"`
	Token      string               `json:"token"`
	ExpiresAt  time.Time            `json:"expires_at"`
	Candidates []DataPlaneCandidate `json:"candidates"`
}

type DataPlaneCandidate struct {
	Type      string         `json:"type"`
	URL       string         `json:"url"`
	WorkerID  string         `json:"worker_id,omitempty"`
	NodeID    string         `json:"node_id,omitempty"`
	ClusterID string         `json:"cluster_id,omitempty"`
	Priority  int            `json:"priority,omitempty"`
	Metadata  map[string]any `json:"metadata,omitempty"`
}