package hooks

import (
	"embed"
	"fmt"
	"io/fs"
	"os"
	"path/filepath"
)








//go:embed template
var templateFS embed.FS



func TemplateDir(root string) string {
	return filepath.Join(root, "template")
}





func EnsureTemplate(root string) (string, error) {
	dst := TemplateDir(root)
	if err := os.MkdirAll(dst, 0o755); err != nil {
		return "", fmt.Errorf("hooks: mkdir template: %w", err)
	}
	err := fs.WalkDir(templateFS, "template", func(p string, d fs.DirEntry, err error) error {
		if err != nil {
			return err
		}
		if d.IsDir() {
			return os.MkdirAll(filepath.Join(root, p), 0o755)
		}
		data, err := templateFS.ReadFile(p)
		if err != nil {
			return fmt.Errorf("hooks: read embedded %s: %w", p, err)
		}
		out := filepath.Join(root, p)
		if err := os.WriteFile(out, data, 0o644); err != nil {
			return fmt.Errorf("hooks: write %s: %w", p, err)
		}

		if filepath.Dir(p) == "template/hooks" {
			if err := os.Chmod(out, 0o755); err != nil {
				return fmt.Errorf("hooks: chmod %s: %w", p, err)
			}
		}
		return nil
	})
	if err != nil {
		return "", err
	}
	return dst, nil
}