package configkit_test

import (
	"encoding/json"
	"fmt"
	"reflect"
	"testing"

	configkit "gitea.maximumdirect.net/eric/ConfigKit/internal/facade"
)

var (
	_ error          = (*configkit.LoadError)(nil)
	_ fmt.Formatter  = configkit.Secret{}
	_ fmt.Stringer   = configkit.Path{}
	_ json.Marshaler = configkit.Secret{}
)

func TestFacadeValuesRemainRootOwned(t *testing.T) {
	t.Parallel()
	const packagePath = "gitea.maximumdirect.net/eric/ConfigKit/internal/facade"
	for _, candidate := range []reflect.Type{
		reflect.TypeFor[configkit.Path](), reflect.TypeFor[configkit.Source](),
		reflect.TypeFor[configkit.Secret](), reflect.TypeFor[configkit.Diagnostic](),
		reflect.TypeFor[configkit.LoadError](),
	} {
		if candidate.PkgPath() != packagePath {
			t.Fatalf("type %s belongs to %q", candidate, candidate.PkgPath())
		}
	}
	secret := configkit.SecretEnv("SAFE_NAME")
	formatted := fmt.Sprintf("%#v", secret)
	encoded, err := json.Marshal(secret)
	if formatted == "" || err != nil || string(encoded) != `"SAFE_NAME"` {
		t.Fatalf("secret rendering = %q, %s, %v", formatted, encoded, err)
	}
	if got := configkit.Keys("a/b~").Index(0).String(); got != "/a~1b~0/0" {
		t.Fatalf("path = %q", got)
	}
	if got := (&configkit.LoadError{}).Error(); got != "configkit: configuration load failed" {
		t.Fatalf("zero LoadError = %q", got)
	}
}