package inventory

import "context"

// RecordRefused keeps that the mesh refused to register a build's outcome, and why (novox/hq issue 1708): the build
// record says the builder's words, which worked, and the look that settles a plan from the records reads this to fail
// it instead. The first refusal of an id stands.
func (i *Inventory) RecordRefused(ctx context.Context, id, module, why string) error {
	_, err := i.store.Pool().Exec(ctx,
		`insert into build_refused (id, module, why) values ($1, $2, $3) on conflict (id) do nothing`, id, module, why)
	return err
}

// RefusedOf is why each of these builds' registration was refused, by id; a build not refused is absent.
func (i *Inventory) RefusedOf(ctx context.Context, ids []string) (map[string]string, error) {
	out := map[string]string{}
	if len(ids) == 0 {
		return out, nil
	}
	rows, err := i.store.Pool().Query(ctx, `select id, why from build_refused where id = any($1)`, ids)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	for rows.Next() {
		var id, why string
		if err := rows.Scan(&id, &why); err != nil {
			return nil, err
		}
		out[id] = why
	}
	return out, rows.Err()
}