package commands

import (
	"fmt"
	"git.dragon-labs.de/alphyron/group_helper/cli"
	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api"
	"strings"
)

type helpCommand struct {
	commandManager *cli.CommandManager
}

func NewHelpCommand(commandManager *cli.CommandManager) cli.Command {
	return &helpCommand{commandManager: commandManager}
}

func (h helpCommand) GetUsage() string {
	return "/help"
}

func (h helpCommand) GetCommand() string {
	return "/help"
}

func (h helpCommand) GetDescription() string {
	return "Information about all commands"
}

func (h helpCommand) ExecuteCommand(bot *tgbotapi.BotAPI, update *tgbotapi.Update) (bool, error) {
	var builder strings.Builder

	builder.WriteString("All supported Commands:\n")
	for _, cmd := range h.commandManager.Commands {
		builder.WriteString(fmt.Sprintf("%s - %s\n", cmd.GetUsage(), cmd.GetDescription()))
	}

	msg := tgbotapi.NewMessage(update.Message.Chat.ID, builder.String())
	msg.ParseMode = "Markdown"

	_, err := bot.Send(msg)

	if err != nil {
		return false, err
	}
	return true, nil
}

func (h helpCommand) AllowChatType(chat *tgbotapi.Chat) bool {
	return true
}

func (h helpCommand) AllowMember(member *tgbotapi.ChatMember) bool {
	return true
}

func (h helpCommand) AllowEveryMember() bool {
	return true
}