package approve_former

import (
	"bytes"
	"github.com/pkg/errors"
	"text/template"
)

type Noder interface {
	// GetWhen 用来指定执行哪个步骤的条件
	GetWhen() string
	// Render 用来整体渲染步骤
	Render(upperNode Noder) (string, error)
}

func render(name string, templateStr string, templateParams map[string]any) (string, error) {
	tpl := template.New(name)
	tpl.Delims("[[", "]]")

	tpl, err := tpl.Parse(templateStr)
	if err != nil {
		return "", errors.New(err.Error())
	}

	buffer := &bytes.Buffer{}
	err = tpl.Execute(buffer, templateParams)
	if err != nil {
		return "", errors.New(err.Error())
	}

	return buffer.String(), nil
}