/*
Copyright © 2025 ESO Maintainer Team

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

	https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package generator

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

// FindRootDir finds the root directory of the external-secrets repository.
func FindRootDir(startDir string) string {
	dir := startDir
	for {
		// Check if go.mod exists and contains external-secrets
		goModPath := filepath.Join(dir, "go.mod")
		if data, err := os.ReadFile(filepath.Clean(goModPath)); err == nil {
			if strings.Contains(string(data), "module github.com/external-secrets/external-secrets") {
				return dir
			}
		}

		parent := filepath.Dir(dir)
		if parent == dir {
			break
		}
		dir = parent
	}
	return ""
}