package resolution

import (
	"fmt"
	"strings"

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

// HeldTemplateProblem is why a manifest cannot be held by the mesh because it still names a template, or "": the
// manifest the mesh holds carries every file's text, which a build reads back from its templates archive. One
// naming a template was resolved by a builder that does not read templates, and would compose files with no text.
func HeldTemplateProblem(m mcat.Manifest) string {
	var named []string
	for _, r := range m.Resources {
		if t, has := r[mcat.TemplateField]; has {
			named = append(named, fmt.Sprintf("%v (%v)", r["id"], t))
		}
	}
	for _, it := range m.Items {
		if it.Template != "" {
			named = append(named, fmt.Sprintf("its item of %s (%s)", it.Collection, it.Template))
		}
	}
	if len(named) == 0 {
		return ""
	}
	return fmt.Sprintf("%s still names the template(s) of %s: the manifest the mesh holds carries each file's "+
		"text, read back from the build's templates archive — this one was resolved by a builder that does not "+
		"read templates, or not built at all (novox/hq ADR 0349 §2)", m.Module, strings.Join(named, ", "))
}