package timefmt

import (
	"strings"
	"time"
)

type TimeFormatter struct {
	Parser    *FormatParser
	Printer   *TimePrinter
	Multiline bool
}

func (this *TimeFormatter) Format(t time.Time) string {
	fs := this.Printer.PrintTime(t)
	if this.Multiline {
		return fs
	} else {
		fs = strings.Replace(fs, "\r", "", -1)
		fs = strings.Replace(fs, "\n", "", -1)
		return fs
	}
}

func (this *TimeFormatter) ForceTimezone(tz *time.Location) {
	this.Printer.UseTimezone(tz)
}

func (this *TimeFormatter) ForceLocalTimezone() {
	this.Printer.UseLocalTimezone()
}

func (this *TimeFormatter) ForceUTC() {
	this.Printer.UseUTC()
}

func (this *TimeFormatter) ParseFormat(fmtstr string) {
	this.Parser.ParseFormatString(&FormatPrinterParsingAbstract{
		isEx: false,
		tp:   this.Printer,
		tpe:  nil,
	}, fmtstr)
}

func NewDefaultTimeFormatter(fmtstr string, multiline bool) *TimeFormatter {
	tf := &TimeFormatter{
		Printer:   NewTimePrinter(),
		Multiline: multiline,
		Parser:    NewFormatParser(false),
	}
	tf.ParseFormat(fmtstr)
	return tf
}

func NewTimeFormatter(printer *TimePrinter, parser *FormatParser, multiline bool) *TimeFormatter {
	tf := &TimeFormatter{
		Printer:   printer,
		Multiline: multiline,
		Parser:    parser,
	}
	return tf
}