package resolution

import (
	mcat "git.novox.be/novox/mesh-sdk/go/catalogue"
)

// DataItems is every data item the resolution's modules declare, placed on its node with the rendering given: the text
// the node-backup holder is handed, read. A module left out of the node's declaration keeps its items, as its data is
// still on the node (ADR 0262); an item that cannot be placed is said in unplaced and left out.
func DataItems(r mcat.Resolution, with mcat.Rendering) (items map[string][]mcat.PlacedDataItem, unplaced []string, err error) {
	left := LeftOut(r, with.Settings, with.Adopted)
	for module, why := range with.NotPlaced {
		if _, already := left[module]; !already {
			left[module] = why
		}
	}
	modules := make([]mcat.Manifest, 0, len(r.Modules))
	for _, m := range r.Modules {
		if _, isLeft := left[m.Module]; isLeft {
			m = backupView(m)
		}
		modules = append(modules, m)
	}
	text, unplaced, err := seatContributions(modules, mcat.Manifest{}, mcat.BackupSeat+":"+mcat.BackupKindData, with,
		machineFacts(r, with.Names, with.MeshRange), r.Capabilities)
	if err != nil {
		return nil, unplaced, err
	}
	items, err = mcat.ParseDataItems(text)
	return items, unplaced, err
}