package resolution

import (
	"encoding/json"
	"os"
	"path/filepath"
	"testing"

	mcat "git.novox.be/novox/mesh-sdk/go/catalogue"
	"github.com/novox/mesh-host/internal/beside"
)

// theCatalogue is every manifest of the catalogue internal/beside finds, parsed the way registration
// parses one.
func theCatalogue(t *testing.T) []mcat.Manifest {
	t.Helper()
	root := beside.Catalogue(t)
	entries, err := os.ReadDir(root)
	if err != nil {
		t.Fatal(err)
	}
	var out []mcat.Manifest
	for _, e := range entries {
		if !e.IsDir() {
			continue
		}
		raw, err := os.ReadFile(filepath.Join(root, e.Name(), "module.json"))
		if err != nil {
			continue
		}
		var m mcat.Manifest
		if err := json.Unmarshal(raw, &m); err != nil {
			t.Fatalf("%s: %v", e.Name(), err)
		}
		out = append(out, m)
	}
	if len(out) == 0 {
		t.Fatalf("no manifests under %s, so this proved nothing", root)
	}
	return out
}