package ui

import (
	"gioui.org/layout"
	"gioui.org/unit"
	"gioui.org/widget"
	"gioui.org/widget/material"

	"git.wxccs.org/iceking2nd/winauth-go/internal/authenticator"
	"git.wxccs.org/iceking2nd/winauth-go/internal/i18n"
	"git.wxccs.org/iceking2nd/winauth-go/internal/win32"
)

// bnetInfoDialog shows the Battle.Net serial number and restore code.
// The restore code can be copied to the clipboard.
type bnetInfoDialog struct {
	serial      string
	restoreCode string
	copyBtn     widget.Clickable
	closeBtn    widget.Clickable
	copied      bool
}

func newBnetInfoDialog(bn *authenticator.BattleNetAuthenticator) *bnetInfoDialog {
	return &bnetInfoDialog{
		serial:      bn.Serial,
		restoreCode: bn.RestoreCode(),
	}
}

func (d *bnetInfoDialog) Layout(
	gtx layout.Context, th *material.Theme,
	onClose func(),
) layout.Dimensions {
	if d.closeBtn.Clicked(gtx) {
		onClose()
		return layout.Dimensions{Size: gtx.Constraints.Max}
	}
	if d.copyBtn.Clicked(gtx) {
		if err := win32.SetClipboardText(d.restoreCode); err == nil {
			d.copied = true
		}
	}

	body := func(gtx layout.Context) layout.Dimensions {
		return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
			layout.Rigid(material.Body2(th, i18n.T("bnet_info_intro")).Layout),
			layout.Rigid(layout.Spacer{Height: unit.Dp(12)}.Layout),
			layout.Rigid(func(gtx layout.Context) layout.Dimensions {
				return layout.Flex{Axis: layout.Horizontal}.Layout(gtx,
					layout.Rigid(material.Body2(th, i18n.T("label_serial")+": ").Layout),
					layout.Rigid(material.Body1(th, d.serial).Layout),
				)
			}),
			layout.Rigid(layout.Spacer{Height: unit.Dp(8)}.Layout),
			layout.Rigid(func(gtx layout.Context) layout.Dimensions {
				return layout.Flex{Axis: layout.Horizontal}.Layout(gtx,
					layout.Rigid(material.Body2(th, i18n.T("label_restore_code")+": ").Layout),
					layout.Rigid(material.Body1(th, d.restoreCode).Layout),
				)
			}),
			layout.Rigid(layout.Spacer{Height: unit.Dp(8)}.Layout),
			layout.Rigid(func(gtx layout.Context) layout.Dimensions {
				copyLabel := i18n.T("btn_copy")
				if d.copied {
					copyLabel = i18n.T("msg_copied")
				}
				return material.Button(th, &d.copyBtn, copyLabel).Layout(gtx)
			}),
			layout.Rigid(layout.Spacer{Height: unit.Dp(4)}.Layout),
			layout.Rigid(material.Caption(th, i18n.T("hint_bnet_restore_code_secret")).Layout),
		)
	}

	return modalCardCancel(gtx, th, i18n.T("dialog_bnet_info_title"),
		i18n.T("btn_close"), &d.closeBtn, body)
}