package git

import (
	"os"
	"path"
	"path/filepath"

	"coopcloud.tech/abra/pkg/log"
)

func FindDir(dir string) string {
	dir, err := filepath.Abs(dir)
	if err != nil {
		return ""
	}

	realPath, err := filepath.EvalSymlinks(dir)
	if err != nil {
		log.Warn("unable to find git repo: broken symlink: %s", dir)
		return ""
	}

	dir = realPath

	if dir == os.ExpandEnv("$HOME/.abra") || dir == os.ExpandEnv("$ABRA_DIR") || dir == "/" {
		return ""
	}

	p := path.Join(dir, ".git")
	if _, err := os.Stat(p); err == nil {
		return path.Dir(p)
	}

	return FindDir(filepath.Dir(dir))
}