package main

import (
	"vultras.su/core/tg"
)

const (
	PanelPath tg.Path = "panel"
)

var PanelWidget = tg.RenderFunc(func(c tg.Context) tg.UI {
	var (
		n = 0
		ln = 4
		panel *tg.PanelCompo
	)

	panel = tg.Messagef(
		"Some panel",
	).Panel(c, tg.RowserFunc(func(c tg.Context) []tg.ButtonRow {
		btns := []tg.ButtonRow{
			tg.ButtonRow{tg.Buttonf("Page %d", n)},
		}
		for i := 0; i < ln; i++ {
			num := 1 + n*ln + i
			btns = append(btns, tg.ButtonRow{
				tg.Buttonf("%d", num).Rand().WithAction(tg.Func(func(c tg.Context) {
					_, err := c.Sendf("%d", num*num)
					if err != nil {
					}
				})),
				tg.Buttonf("%d", num*num),
			})
		}
		btns = append(btns, tg.ButtonRow{
			tg.Buttonf("Prev").WithAction(tg.Func(func(c tg.Context) {
				n--
				panel.Update(c)
			})),
			tg.Buttonf("Next").WithAction(tg.Func(func(c tg.Context) {
				n++
				panel.Update(c)
			})),
		})

		return btns
	}))

	return tg.UI{
		panel,
		tg.Messagef("").Reply(
			BackKeyboard.Reply(),
		),
	}
})