package svg

import (
	"bytes"
	"fmt"
	"io"
	"strings"
)

type (
	// VoidElement is like Element but for void elements
	VoidElement[T Tag, A Attribute] struct {
		Attributes []A
	}
)

func (e *VoidElement[T, A]) Attr(as ...A) *VoidElement[T, A] {
	e.Attributes = append(e.Attributes, as...)
	return e
}

func (e VoidElement[T, A]) GetMarkup() string {
	attrs := make([]string, len(e.Attributes))
	for i, a := range e.Attributes {
		attrs[i] = PrintAttribute(a)
	}

	return fmt.Sprintf(
		`<%s %s/>`,
		e.PrintTag(),
		strings.Join(attrs, " "),
	)
}

func (e VoidElement[T, A]) GetMarkupReader() io.Reader {
	return bytes.NewReader([]byte(e.GetMarkup()))
}

func (e VoidElement[T, _]) PrintTag() string {
	var t T
	return t.PrintTag()
}