package main

import (
	"os"
	"path/filepath"
	"testing"
)

func manifest(t *testing.T, root, module, claims string) {
	t.Helper()
	dir := filepath.Join(root, "modules", module)
	if err := os.MkdirAll(dir, 0o755); err != nil {
		t.Fatal(err)
	}
	body := `{"module":"` + module + `","claims":[` + claims + `]}`
	if err := os.WriteFile(filepath.Join(dir, "module.json"), []byte(body), 0o644); err != nil {
		t.Fatal(err)
	}
}

func TestAnotherModuleClaimingMailStoreIsRefused(t *testing.T) {
	root := t.TempDir()
	manifest(t, root, "mesh-mail", `{"name":"mail-store","scope":"mesh"}`)
	manifest(t, root, "betterbird", `{"name":"mail-store","scope":"mesh"}`)
	manifest(t, root, "dunst", `{"name":"node-notifier","scope":"node"}`)
	found, err := Check(root)
	if err != nil {
		t.Fatal(err)
	}
	if len(found) != 1 || found[0].Module != "betterbird" {
		t.Fatalf("refused %+v", found)
	}
}

func TestTheCatalogueHasNone(t *testing.T) {
	found, err := Check("../..")
	if err != nil {
		t.Fatal(err)
	}
	if len(found) != 0 {
		t.Fatalf("%+v", found)
	}
}