package approve_former

import "strings"

type And struct {
	childNodes []Noder
}

func NewAnd(childNodes ...Noder) *And {
	return &And{
		childNodes: childNodes,
	}
}

func (and *And) GetDepends() string {
	var depends string
	for _, childNode := range and.childNodes {
		if depends == "" {
			depends = childNode.GetDepends()
		} else {
			depends = depends + " && " + childNode.GetDepends()
		}
	}

	return depends
}

func (and *And) GetWhen() string {
	var when string
	for _, childNode := range and.childNodes {
		if when == "" {
			when = "(" + childNode.GetWhen() + ")"
		} else {
			when = when + " && " + "(" + childNode.GetWhen() + ")"
		}
	}

	return when
}

func (and *And) AddNodes(childNodes ...Noder) *And {
	if childNodes == nil || len(childNodes) == 0 {
		and.childNodes = append(and.childNodes, childNodes...)
	}

	return and
}

func (and *And) Render(upperNode Noder) (string, error) {
	var content string

	for _, childNode := range and.childNodes {
		childNodeContent, err := childNode.Render(upperNode)
		if err != nil {
			return "", err
		}

		content = content + childNodeContent + "\n"
	}

	content = strings.TrimSuffix(content, "\n")

	return content, nil
}