package gilo

import (
	"fmt"
	"strings"
)

// ----------------------------------------------------------------------------
// !Output Buffer
// ----------------------------------------------------------------------------

type Buffer struct {
	buf *strings.Builder
}

func NewBuffer() *Buffer {
	var buf strings.Builder

	b := new(Buffer)
	b.buf = &buf

	return b
}

func (b *Buffer) AppendRune(r rune) int {
	size, _ := b.buf.WriteRune(r)

	return size
}

func (b *Buffer) Append(s string) int {
	size, _ := b.buf.WriteString(s)

	return size
}

func (b *Buffer) AppendLn(s string) int {
	str := fmt.Sprintf("%s\r\n", s)
	size, _ := b.buf.WriteString(str)

	return size
}

func (b *Buffer) ToString() string {
	return b.buf.String()
}

func (b *Buffer) Truncate(length int) string {
	current := b.buf.String()
	truncated := Truncate(current, length)

	b.buf.Reset()
	b.Append(truncated)

	return truncated
}

func (b *Buffer) Len() int {
	return b.buf.Len()
}