package graph

import (
	"maps"
	"slices"

	"git.novox.be/novox/mesh-delivery/contracts/go/seats/meshcatalog"
)

// NodeOf is the node of the module graph a catalog graph entry carries, as the indexer took it in (design 47, *Two
// graphs*): the catalog half's holder reads its graph back from its newest trunk revision, and every part that reads the
// catalog half reads the module graph from its entries, never from the holder's state.
func NodeOf(e meshcatalog.CatalogEntry) Node {
	n := Node{V: Version, FP: e.Fp, None: e.None, Repository: e.Repository, Path: e.Path, Bases: e.Bases,
		Provides: e.Provides, Requires: e.Requires, Awaits: e.Awaits, Invokes: e.Invokes, Serves: e.Serves, LeftOut: e.LeftOut}
	if len(e.Packages) > 0 {
		n.Packages = slices.Sorted(maps.Keys(e.Packages))
	}
	for language, t := range e.Toolchains {
		if n.Toolchains == nil {
			n.Toolchains = map[string]Toolchain{}
		}
		n.Toolchains[language] = Toolchain{Module: t.Module, Version: t.Version, Recipe: t.Recipe}
	}
	return n
}