package architecture

import (
	"go/parser"
	"go/token"
	"io/fs"
	"path/filepath"
	"strconv"
	"strings"
	"testing"
)

func TestGenericRuntimeDoesNotInstallConcreteContracts(t *testing.T) {
	for _, dir := range []string{"../app/runtime", "../app/http"} {
		err := filepath.WalkDir(dir, func(path string, entry fs.DirEntry, err error) error {
			if err != nil {
				return err
			}
			if entry.IsDir() || !strings.HasSuffix(path, ".go") || strings.HasSuffix(path, "_test.go") {
				return nil
			}
			file, err := parser.ParseFile(token.NewFileSet(), path, nil, parser.ImportsOnly)
			if err != nil {
				return err
			}
			for _, im := range file.Imports {
				name, err := strconv.Unquote(im.Path.Value)
				if err != nil {
					return err
				}
				if strings.Contains(name, "/http/v") || strings.Contains(name, "/app/api/v") || strings.HasSuffix(name, "/app/profile") {
					t.Errorf("generic runtime imports a concrete API contract: %s in %s", name, path)
				}
			}
			return nil
		})
		if err != nil {
			t.Fatal(err)
		}
	}
}