package nodes

import (
	"time"
)

// Node is the central entity of Verstak — a tree item that can be
// a case, folder, note, document, etc.
type Node struct {
	ID         string     `json:"id"`
	ParentID   *string    `json:"parent_id,omitempty"`
	Type       string     `json:"type"`
	Title      string     `json:"title"`
	Slug       string     `json:"slug"`
	Path       *string    `json:"path,omitempty"`
	Section    string     `json:"section,omitempty"`
	SortOrder  int        `json:"sort_order"`
	CreatedAt  time.Time  `json:"created_at"`
	UpdatedAt  time.Time  `json:"updated_at"`
	DeletedAt  *time.Time `json:"deleted_at,omitempty"`
	Revision   int        `json:"revision"`
	DeviceID   *string    `json:"device_id,omitempty"`
}

// IsDeleted reports whether the node has been soft-deleted.
func (n *Node) IsDeleted() bool {
	return n.DeletedAt != nil
}

// IsRoot reports whether the node has no parent.
func (n *Node) IsRoot() bool {
	return n.ParentID == nil
}

// Meta is a generic key-value attached to a node.
type Meta struct {
	Key   string `json:"key"`
	Value string `json:"value"`
}

// NodeWithMeta bundles a node and its metadata entries.
type NodeWithMeta struct {
	Node  Node   `json:"node"`
	Meta  []Meta `json:"meta"`
}