package discord

import (
	"context"
	"fmt"

	"gitea.dwysokinski.me/twhelp/dcbot/internal/discord/internal/discordi18n"
	"github.com/bwmarrin/discordgo"
)

type choiceService struct {
	localizer *discordi18n.Localizer
	choiceSvc ChoiceService
}

func (s *choiceService) versions(ctx context.Context) ([]*discordgo.ApplicationCommandOptionChoice, error) {
	choices, err := s.choiceSvc.Versions(ctx)
	if err != nil {
		return nil, fmt.Errorf("ChoiceService.Versions: %w", err)
	}

	dcChoices := make([]*discordgo.ApplicationCommandOptionChoice, 0, len(choices))
	for _, v := range choices {
		dcChoices = append(dcChoices, &discordgo.ApplicationCommandOptionChoice{
			Name:  v.Name,
			Value: v.Value,
		})
	}

	return dcChoices, nil
}

func (s *choiceService) languages() ([]*discordgo.ApplicationCommandOptionChoice, error) {
	tags := s.localizer.LanguageTags()

	choices := make([]*discordgo.ApplicationCommandOptionChoice, 0, len(tags))
	for _, tag := range tags {
		lang, langLocalizations, err := s.localizer.LocalizeDiscord(buildLangMessageID(tag.String()))
		if err != nil {
			return nil, err
		}

		choices = append(choices, &discordgo.ApplicationCommandOptionChoice{
			Name:              lang,
			NameLocalizations: langLocalizations,
			Value:             tag.String(),
		})
	}

	return choices, nil
}