package commands

import (
	"strings"
	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
)

type HelpCommand struct{}

func (h HelpCommand) Name() string {
	return "help"
}

func (h HelpCommand) Help() string {
	return "Shows available commands."
}

func (h HelpCommand) Execute(update tgbotapi.Update, bot *tgbotapi.BotAPI) {
	var helpText strings.Builder
	for _, cmd := range All() {
		helpText.WriteString("/" + cmd.Name() + " - " + cmd.Help() + "\n")
	}
	msg := tgbotapi.NewMessage(update.Message.Chat.ID, helpText.String())
	bot.Send(msg)
}

func init() {
	Register(HelpCommand{})
}