package discord

import (
	"context"
	"strings"
	"time"

	"gitea.dwysokinski.me/twhelp/dcbot/internal/discord/internal/discordi18n"
	"gitea.dwysokinski.me/twhelp/dcbot/internal/domain"
	"github.com/bwmarrin/discordgo"
	"github.com/nicksnyder/go-i18n/v2/i18n"
	"go.uber.org/zap"
)

const (
	tribeTagMaxLength = 10
)

type groupCommand struct {
	localizer *discordi18n.Localizer
	logger    *zap.Logger
	groupSvc  GroupService
	choiceSvc *choiceService
}

func (c *groupCommand) name() string {
	return "group"
}

func (c *groupCommand) register(s *discordgo.Session) error {
	if err := c.create(s); err != nil {
		return err
	}

	s.AddHandler(c.handle)

	return nil
}

func (c *groupCommand) create(s *discordgo.Session) error {
	var perm int64 = discordgo.PermissionAdministrator
	dm := false

	subcommandBuilders := []func() (*discordgo.ApplicationCommandOption, error){
		c.buildSubcommandCreate,
		c.buildSubcommandList,
		c.buildSubcommandDetails,
		c.buildSubcommandTribe,
		c.buildSubcommandSet,
		c.buildSubcommandDelete,
	}
	subcommands := make([]*discordgo.ApplicationCommandOption, 0, len(subcommandBuilders))
	for _, f := range subcommandBuilders {
		cmd, err := f()
		if err != nil {
			return err
		}
		subcommands = append(subcommands, cmd)
	}

	groupCmdDescriptionDefault, groupCmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.description")
	if err != nil {
		return err
	}

	_, err = s.ApplicationCommandCreate(s.State.User.ID, "", &discordgo.ApplicationCommand{
		Name:                     c.name(),
		Description:              groupCmdDescriptionDefault,
		DescriptionLocalizations: &groupCmdDescriptionLocalizations,
		DefaultMemberPermissions: &perm,
		DMPermission:             &dm,
		Options:                  subcommands,
	})
	if err != nil {
		return err
	}

	return nil
}

func (c *groupCommand) buildSubcommandCreate() (*discordgo.ApplicationCommandOption, error) {
	options, err := c.buildSubcommandCreateOptions()
	if err != nil {
		return nil, err
	}

	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.create.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "create",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommand,
		Options:                  options,
	}, nil
}

func (c *groupCommand) buildSubcommandCreateOptions() ([]*discordgo.ApplicationCommandOption, error) {
	versionChoices, err := c.choiceSvc.versions(context.Background())
	if err != nil {
		return nil, err
	}

	languageChoices, err := c.choiceSvc.languages()
	if err != nil {
		return nil, err
	}

	optionVersionDefault, optionVersionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.create.option.version.description")
	if err != nil {
		return nil, err
	}

	optionServerDefault, optionServerLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.create.option.server.description")
	if err != nil {
		return nil, err
	}

	optionInternalsDefault, optionInternalsLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.create.option.internals.description")
	if err != nil {
		return nil, err
	}

	optionBarbariansDefault, optionBarbariansLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.create.option.barbarians.description")
	if err != nil {
		return nil, err
	}

	optionChannelGainsDefault, optionChannelGainsLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.create.option.channel-gains.description")
	if err != nil {
		return nil, err
	}

	optionLanguageDefault, optionLanguageLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.create.option.language.description")
	if err != nil {
		return nil, err
	}

	optionChannelLossesDefault, optionChannelLossesLocalizations, err := c.localizer.LocalizeDiscord(
		"cmd.group.create.option.channel-losses.description",
	)
	if err != nil {
		return nil, err
	}

	return []*discordgo.ApplicationCommandOption{
		{
			Name:                     "version",
			Description:              optionVersionDefault,
			DescriptionLocalizations: optionVersionLocalizations,
			Type:                     discordgo.ApplicationCommandOptionString,
			Choices:                  versionChoices,
			Required:                 true,
		},
		{
			Name:                     "server",
			Description:              optionServerDefault,
			DescriptionLocalizations: optionServerLocalizations,
			Type:                     discordgo.ApplicationCommandOptionString,
			Required:                 true,
		},
		{
			Name:                     "language",
			Description:              optionLanguageDefault,
			DescriptionLocalizations: optionLanguageLocalizations,
			Type:                     discordgo.ApplicationCommandOptionString,
			Choices:                  languageChoices,
			Required:                 true,
		},
		{
			Name:                     "internals",
			Description:              optionInternalsDefault,
			DescriptionLocalizations: optionInternalsLocalizations,
			Type:                     discordgo.ApplicationCommandOptionBoolean,
			Required:                 true,
		},
		{
			Name:                     "barbarians",
			Description:              optionBarbariansDefault,
			DescriptionLocalizations: optionBarbariansLocalizations,
			Type:                     discordgo.ApplicationCommandOptionBoolean,
			Required:                 true,
		},
		{
			Name:                     "channel-gains",
			Description:              optionChannelGainsDefault,
			DescriptionLocalizations: optionChannelGainsLocalizations,
			Type:                     discordgo.ApplicationCommandOptionChannel,
			ChannelTypes: []discordgo.ChannelType{
				discordgo.ChannelTypeGuildText,
			},
			Required: false,
		},
		{
			Name:                     "channel-losses",
			Description:              optionChannelLossesDefault,
			DescriptionLocalizations: optionChannelLossesLocalizations,
			Type:                     discordgo.ApplicationCommandOptionChannel,
			ChannelTypes: []discordgo.ChannelType{
				discordgo.ChannelTypeGuildText,
			},
			Required: false,
		},
	}, nil
}

func (c *groupCommand) buildSubcommandList() (*discordgo.ApplicationCommandOption, error) {
	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.list.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "list",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommand,
	}, nil
}

func (c *groupCommand) buildSubcommandDetails() (*discordgo.ApplicationCommandOption, error) {
	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.details.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "details",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommand,
		Options: []*discordgo.ApplicationCommandOption{
			{
				Name:        "group",
				Description: "Group ID",
				Type:        discordgo.ApplicationCommandOptionString,
				Required:    true,
			},
		},
	}, nil
}

func (c *groupCommand) buildSubcommandTribe() (*discordgo.ApplicationCommandOption, error) {
	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.tribe.description")
	if err != nil {
		return nil, err
	}

	subcommandAdd, err := c.buildSubcommandMonitorAdd()
	if err != nil {
		return nil, err
	}

	subcommandRemove, err := c.buildSubcommandMonitorRemove()
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "tribe",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommandGroup,
		Options: []*discordgo.ApplicationCommandOption{
			subcommandAdd,
			subcommandRemove,
		},
	}, nil
}

func (c *groupCommand) buildSubcommandMonitorAdd() (*discordgo.ApplicationCommandOption, error) {
	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.tribe.add.description")
	if err != nil {
		return nil, err
	}

	optionGroupDefault, optionGroupLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.tribe.add.option.group.description")
	if err != nil {
		return nil, err
	}

	optionTagDefault, optionTagLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.tribe.add.option.tag.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "add",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommand,
		Options: []*discordgo.ApplicationCommandOption{
			{
				Name:                     "group",
				Description:              optionGroupDefault,
				DescriptionLocalizations: optionGroupLocalizations,
				Type:                     discordgo.ApplicationCommandOptionString,
				Required:                 true,
			},
			{
				Name:                     "tag",
				Description:              optionTagDefault,
				DescriptionLocalizations: optionTagLocalizations,
				Type:                     discordgo.ApplicationCommandOptionString,
				Required:                 true,
				MaxLength:                tribeTagMaxLength,
			},
		},
	}, nil
}

func (c *groupCommand) buildSubcommandMonitorRemove() (*discordgo.ApplicationCommandOption, error) {
	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.tribe.remove.description")
	if err != nil {
		return nil, err
	}

	optionGroupDefault, optionGroupLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.tribe.remove.option.group.description")
	if err != nil {
		return nil, err
	}

	optionTagDefault, optionTagLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.tribe.remove.option.tag.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "remove",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommand,
		Options: []*discordgo.ApplicationCommandOption{
			{
				Name:                     "group",
				Description:              optionGroupDefault,
				DescriptionLocalizations: optionGroupLocalizations,
				Type:                     discordgo.ApplicationCommandOptionString,
				Required:                 true,
			},
			{
				Name:                     "tag",
				Description:              optionTagDefault,
				DescriptionLocalizations: optionTagLocalizations,
				Type:                     discordgo.ApplicationCommandOptionString,
				Required:                 true,
				MaxLength:                tribeTagMaxLength,
			},
		},
	}, nil
}

func (c *groupCommand) buildSubcommandSet() (*discordgo.ApplicationCommandOption, error) {
	subcommandBuilders := []func() (*discordgo.ApplicationCommandOption, error){
		c.buildSubcommandSetLanguage,
		c.buildSubcommandSetChannelGains,
		c.buildSubcommandSetChannelLosses,
		c.buildSubcommandSetInternals,
		c.buildSubcommandSetBarbarians,
	}
	subcommands := make([]*discordgo.ApplicationCommandOption, 0, len(subcommandBuilders))
	for _, f := range subcommandBuilders {
		cmd, err := f()
		if err != nil {
			return nil, err
		}
		subcommands = append(subcommands, cmd)
	}

	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "set",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommandGroup,
		Options:                  subcommands,
	}, nil
}

func (c *groupCommand) buildSubcommandSetLanguage() (*discordgo.ApplicationCommandOption, error) {
	languageChoices, err := c.choiceSvc.languages()
	if err != nil {
		return nil, err
	}

	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.language.description")
	if err != nil {
		return nil, err
	}

	optionGroupDefault, optionGroupLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.language.option.group.description")
	if err != nil {
		return nil, err
	}

	optionLanguageDefault, optionLanguageLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.language.option.language.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "language",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommand,
		Options: []*discordgo.ApplicationCommandOption{
			{
				Name:                     "group",
				Description:              optionGroupDefault,
				DescriptionLocalizations: optionGroupLocalizations,
				Type:                     discordgo.ApplicationCommandOptionString,
				Required:                 true,
			},
			{
				Name:                     "language",
				Description:              optionLanguageDefault,
				DescriptionLocalizations: optionLanguageLocalizations,
				Type:                     discordgo.ApplicationCommandOptionString,
				Choices:                  languageChoices,
				Required:                 true,
			},
		},
	}, nil
}

func (c *groupCommand) buildSubcommandSetChannelGains() (*discordgo.ApplicationCommandOption, error) {
	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.channel-gains.description")
	if err != nil {
		return nil, err
	}

	optionGroupDefault, optionGroupLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.channel-gains.option.group.description")
	if err != nil {
		return nil, err
	}

	optionChannelDefault, optionChannelLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.channel-gains.option.channel.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "channel-gains",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommand,
		Options: []*discordgo.ApplicationCommandOption{
			{
				Name:                     "group",
				Description:              optionGroupDefault,
				DescriptionLocalizations: optionGroupLocalizations,
				Type:                     discordgo.ApplicationCommandOptionString,
				Required:                 true,
			},
			{
				Name:                     "channel",
				Description:              optionChannelDefault,
				DescriptionLocalizations: optionChannelLocalizations,
				Type:                     discordgo.ApplicationCommandOptionChannel,
				ChannelTypes: []discordgo.ChannelType{
					discordgo.ChannelTypeGuildText,
				},
			},
		},
	}, nil
}

func (c *groupCommand) buildSubcommandSetChannelLosses() (*discordgo.ApplicationCommandOption, error) {
	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.channel-losses.description")
	if err != nil {
		return nil, err
	}

	optionGroupDefault, optionGroupLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.channel-losses.option.group.description")
	if err != nil {
		return nil, err
	}

	optionChannelDefault, optionChannelLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.channel-losses.option.channel.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "channel-losses",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommand,
		Options: []*discordgo.ApplicationCommandOption{
			{
				Name:                     "group",
				Description:              optionGroupDefault,
				DescriptionLocalizations: optionGroupLocalizations,
				Type:                     discordgo.ApplicationCommandOptionString,
				Required:                 true,
			},
			{
				Name:                     "channel",
				Description:              optionChannelDefault,
				DescriptionLocalizations: optionChannelLocalizations,
				Type:                     discordgo.ApplicationCommandOptionChannel,
				ChannelTypes: []discordgo.ChannelType{
					discordgo.ChannelTypeGuildText,
				},
			},
		},
	}, nil
}

func (c *groupCommand) buildSubcommandSetInternals() (*discordgo.ApplicationCommandOption, error) {
	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.internals.description")
	if err != nil {
		return nil, err
	}

	optionGroupDefault, optionGroupLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.internals.option.group.description")
	if err != nil {
		return nil, err
	}

	optionInternalsDefault, optionInternalsLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.internals.option.internals.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "internals",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommand,
		Options: []*discordgo.ApplicationCommandOption{
			{
				Name:                     "group",
				Description:              optionGroupDefault,
				DescriptionLocalizations: optionGroupLocalizations,
				Type:                     discordgo.ApplicationCommandOptionString,
				Required:                 true,
			},
			{
				Name:                     "internals",
				Description:              optionInternalsDefault,
				DescriptionLocalizations: optionInternalsLocalizations,
				Type:                     discordgo.ApplicationCommandOptionBoolean,
				Required:                 true,
			},
		},
	}, nil
}

func (c *groupCommand) buildSubcommandSetBarbarians() (*discordgo.ApplicationCommandOption, error) {
	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.barbarians.description")
	if err != nil {
		return nil, err
	}

	optionGroupDefault, optionGroupLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.barbarians.option.group.description")
	if err != nil {
		return nil, err
	}

	optionBarbariansDefault, optionBarbariansLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.set.barbarians.option.barbarians.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "barbarians",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommand,
		Options: []*discordgo.ApplicationCommandOption{
			{
				Name:                     "group",
				Description:              optionGroupDefault,
				DescriptionLocalizations: optionGroupLocalizations,
				Type:                     discordgo.ApplicationCommandOptionString,
				Required:                 true,
			},
			{
				Name:                     "barbarians",
				Description:              optionBarbariansDefault,
				DescriptionLocalizations: optionBarbariansLocalizations,
				Type:                     discordgo.ApplicationCommandOptionBoolean,
				Required:                 true,
			},
		},
	}, nil
}

func (c *groupCommand) buildSubcommandDelete() (*discordgo.ApplicationCommandOption, error) {
	cmdDescriptionDefault, cmdDescriptionLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.delete.description")
	if err != nil {
		return nil, err
	}

	optionGroupDefault, optionGroupLocalizations, err := c.localizer.LocalizeDiscord("cmd.group.delete.option.group.description")
	if err != nil {
		return nil, err
	}

	return &discordgo.ApplicationCommandOption{
		Name:                     "delete",
		Description:              cmdDescriptionDefault,
		DescriptionLocalizations: cmdDescriptionLocalizations,
		Type:                     discordgo.ApplicationCommandOptionSubCommand,
		Options: []*discordgo.ApplicationCommandOption{
			{
				Name:                     "group",
				Description:              optionGroupDefault,
				DescriptionLocalizations: optionGroupLocalizations,
				Type:                     discordgo.ApplicationCommandOptionString,
				Required:                 true,
			},
		},
	}, nil
}

func (c *groupCommand) handle(s *discordgo.Session, i *discordgo.InteractionCreate) {
	if i.Type != discordgo.InteractionApplicationCommand {
		return
	}

	cmdData := i.ApplicationCommandData()

	if cmdData.Name != c.name() {
		return
	}

	ctx := context.Background()

	name := cmdData.Options[0].Name
	switch name {
	case "create":
		c.handleCreate(ctx, s, i)
	case "list":
		c.handleList(ctx, s, i)
	case "details":
		c.handleDetails(ctx, s, i)
	case "set":
		c.handleSet(ctx, s, i)
	case "tribe":
		c.handleTribe(ctx, s, i)
	case "delete":
		c.handleDelete(ctx, s, i)
	default:
		c.logger.Error("unknown subcommand", zap.String("command", "group"), zap.String("subcommand", name))
	}
}

func (c *groupCommand) handleCreate(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	locale := string(i.Locale)

	params, err := c.optionsToCreateGroupParams(s, i.GuildID, i.ApplicationCommandData().Options[0].Options)
	if err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	group, err := c.groupSvc.Create(ctx, params)
	if err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	successMessageID := "cmd.group.create.success"
	successMsg, err := c.localizer.Localize(locale, &i18n.LocalizeConfig{
		MessageID: successMessageID,
		TemplateData: map[string]any{
			"GroupID": group.ID,
		},
	})
	if err != nil {
		c.logger.Error("no message with the specified id", zap.String("id", successMessageID), zap.Error(err))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Content: successMsg,
		},
	})
}

func (c *groupCommand) optionsToCreateGroupParams(
	s *discordgo.Session,
	guildID string,
	options []*discordgo.ApplicationCommandInteractionDataOption,
) (domain.CreateGroupParams, error) {
	version := ""
	server := ""
	channelGains := ""
	channelLosses := ""
	internals := false
	barbarians := false
	languageTag := ""

	for _, opt := range options {
		switch opt.Name {
		case "version":
			version = opt.StringValue()
		case "server":
			server = opt.StringValue()
		case "language":
			languageTag = opt.StringValue()
		case "channel-gains":
			channelGains = opt.ChannelValue(s).ID
		case "channel-losses":
			channelLosses = opt.ChannelValue(s).ID
		case "internals":
			internals = opt.BoolValue()
		case "barbarians":
			barbarians = opt.BoolValue()
		}
	}

	return domain.NewCreateGroupParams(
		guildID,
		version,
		server,
		languageTag,
		channelGains,
		channelLosses,
		barbarians,
		internals,
	)
}

func (c *groupCommand) handleList(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	locale := string(i.Locale)

	groups, err := c.groupSvc.ListServer(ctx, i.GuildID)
	if err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	fieldValueMessageID := "cmd.group.list.embed.field.value"
	fields := make([]*discordgo.MessageEmbedField, 0, len(groups))
	for _, g := range groups {
		channelGains := "-"
		if g.ChannelGains != "" {
			channelGains = buildChannelMention(g.ChannelGains)
		}

		channelLosses := "-"
		if g.ChannelLosses != "" {
			channelLosses = buildChannelMention(g.ChannelLosses)
		}

		langMessageID := buildLangMessageID(g.LanguageTag)
		lang, localizeErr := c.localizer.Localize(locale, &i18n.LocalizeConfig{
			MessageID: langMessageID,
		})
		if localizeErr != nil {
			c.logger.Error("no message with the specified id", zap.String("id", langMessageID), zap.Error(localizeErr))
			_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
				Type: discordgo.InteractionResponseChannelMessageWithSource,
				Data: &discordgo.InteractionResponseData{
					Content: c.localizer.LocalizeError(locale, localizeErr),
				},
			})
			return
		}

		fieldValue, localizeErr := c.localizer.Localize(locale, &i18n.LocalizeConfig{
			MessageID: fieldValueMessageID,
			TemplateData: map[string]any{
				"ServerKey":     g.ServerKey,
				"ChannelGains":  channelGains,
				"ChannelLosses": channelLosses,
				"Internals":     boolToEmoji(g.Internals),
				"Barbarians":    boolToEmoji(g.Barbarians),
				"NumTribes":     len(g.Monitors),
				"Language":      lang,
			},
		})
		if localizeErr != nil {
			c.logger.Error("no message with the specified id", zap.String("id", fieldValueMessageID), zap.Error(localizeErr))
			_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
				Type: discordgo.InteractionResponseChannelMessageWithSource,
				Data: &discordgo.InteractionResponseData{
					Content: c.localizer.LocalizeError(locale, localizeErr),
				},
			})
			return
		}

		fields = append(fields, &discordgo.MessageEmbedField{
			Name:   g.ID,
			Value:  fieldValue,
			Inline: false,
		})
	}

	titleMessageID := "cmd.group.list.embed.title"
	title, err := c.localizer.Localize(locale, &i18n.LocalizeConfig{MessageID: titleMessageID})
	if err != nil {
		c.logger.Error("no message with the specified id", zap.String("id", titleMessageID), zap.Error(err))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Embeds: []*discordgo.MessageEmbed{
				{
					Type:      discordgo.EmbedTypeRich,
					Title:     title,
					Fields:    fields,
					Color:     colorGrey,
					Timestamp: formatTimestamp(time.Now()),
				},
			},
		},
	})
}

func (c *groupCommand) handleDetails(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	locale := string(i.Locale)

	g, err := c.groupSvc.GetWithTribes(ctx, i.ApplicationCommandData().Options[0].Options[0].StringValue(), i.GuildID)
	if err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	var builderTribes strings.Builder
	for i, m := range g.Monitors {
		if i > 0 {
			builderTribes.WriteString(" ")
		}
		builderTribes.WriteString(buildLink(m.Tribe.Tag, m.Tribe.ProfileURL))
	}
	if builderTribes.Len() == 0 {
		builderTribes.WriteString("-")
	}

	channelGains := "-"
	if g.ChannelGains != "" {
		channelGains = buildChannelMention(g.ChannelGains)
	}
	channelLosses := "-"
	if g.ChannelLosses != "" {
		channelLosses = buildChannelMention(g.ChannelLosses)
	}

	langMessageID := buildLangMessageID(g.LanguageTag)
	lang, localizeErr := c.localizer.Localize(locale, &i18n.LocalizeConfig{
		MessageID: langMessageID,
	})
	if localizeErr != nil {
		c.logger.Error("no message with the specified id", zap.String("id", langMessageID), zap.Error(localizeErr))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, localizeErr),
			},
		})
		return
	}

	descriptionMessageID := "cmd.group.details.embed.description"
	description, err := c.localizer.Localize(locale, &i18n.LocalizeConfig{
		MessageID: descriptionMessageID,
		TemplateData: map[string]any{
			"ServerKey":     g.ServerKey,
			"ChannelGains":  channelGains,
			"ChannelLosses": channelLosses,
			"Internals":     boolToEmoji(g.Internals),
			"Barbarians":    boolToEmoji(g.Barbarians),
			"Tribes":        builderTribes.String(),
			"Language":      lang,
		},
	})
	if err != nil {
		c.logger.Error("no message with the specified id", zap.String("id", descriptionMessageID), zap.Error(err))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}
	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Embeds: []*discordgo.MessageEmbed{
				{
					Type:        discordgo.EmbedTypeRich,
					Title:       g.ID,
					Description: description,
					Color:       colorGrey,
					Timestamp:   formatTimestamp(time.Now()),
				},
			},
		},
	})
}

func (c *groupCommand) handleSet(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	name := i.ApplicationCommandData().Options[0].Options[0].Name
	switch name {
	case "language":
		c.handleSetLanguage(ctx, s, i)
	case "channel-gains":
		c.handleSetChannelGains(ctx, s, i)
	case "channel-losses":
		c.handleSetChannelLosses(ctx, s, i)
	case "internals":
		c.handleSetInternals(ctx, s, i)
	case "barbarians":
		c.handleSetBarbarians(ctx, s, i)
	default:
		c.logger.Error("unknown subcommand", zap.String("command", "group set"), zap.String("subcommand", name))
	}
}

func (c *groupCommand) handleSetLanguage(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	locale := string(i.Locale)

	group := ""
	languageTag := ""
	for _, opt := range i.ApplicationCommandData().Options[0].Options[0].Options {
		if opt == nil {
			continue
		}
		switch opt.Name {
		case "group":
			group = opt.StringValue()
		case "language":
			languageTag = opt.StringValue()
		}
	}

	_, err := c.groupSvc.SetLanguageTag(ctx, group, i.GuildID, languageTag)
	if err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	successMessageID := "cmd.group.set.language.success"
	successMsg, err := c.localizer.Localize(locale, &i18n.LocalizeConfig{MessageID: successMessageID})
	if err != nil {
		c.logger.Error("no message with the specified id", zap.String("id", successMessageID), zap.Error(err))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Content: successMsg,
		},
	})
}

func (c *groupCommand) handleSetChannelGains(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	locale := string(i.Locale)

	group := ""
	channel := ""
	for _, opt := range i.ApplicationCommandData().Options[0].Options[0].Options {
		if opt == nil {
			continue
		}
		switch opt.Name {
		case "group":
			group = opt.StringValue()
		case "channel":
			channel = opt.ChannelValue(s).ID
		}
	}

	_, err := c.groupSvc.SetChannelGains(ctx, group, i.GuildID, channel)
	if err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	successMessageID := "cmd.group.set.channel-gains.success"
	successMsg, err := c.localizer.Localize(locale, &i18n.LocalizeConfig{MessageID: successMessageID})
	if err != nil {
		c.logger.Error("no message with the specified id", zap.String("id", successMessageID), zap.Error(err))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Content: successMsg,
		},
	})
}

func (c *groupCommand) handleSetChannelLosses(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	locale := string(i.Locale)

	group := ""
	channel := ""
	for _, opt := range i.ApplicationCommandData().Options[0].Options[0].Options {
		if opt == nil {
			continue
		}
		switch opt.Name {
		case "group":
			group = opt.StringValue()
		case "channel":
			channel = opt.ChannelValue(s).ID
		}
	}

	_, err := c.groupSvc.SetChannelLosses(ctx, group, i.GuildID, channel)
	if err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	successMessageID := "cmd.group.set.channel-losses.success"
	successMsg, err := c.localizer.Localize(locale, &i18n.LocalizeConfig{MessageID: successMessageID})
	if err != nil {
		c.logger.Error("no message with the specified id", zap.String("id", successMessageID), zap.Error(err))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Content: successMsg,
		},
	})
}

func (c *groupCommand) handleSetInternals(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	locale := string(i.Locale)

	group := ""
	internals := false
	for _, opt := range i.ApplicationCommandData().Options[0].Options[0].Options {
		if opt == nil {
			continue
		}
		switch opt.Name {
		case "group":
			group = opt.StringValue()
		case "internals":
			internals = opt.BoolValue()
		}
	}

	_, err := c.groupSvc.SetInternals(ctx, group, i.GuildID, internals)
	if err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	successMessageID := "cmd.group.set.internals.success"
	successMsg, err := c.localizer.Localize(locale, &i18n.LocalizeConfig{MessageID: successMessageID})
	if err != nil {
		c.logger.Error("no message with the specified id", zap.String("id", successMessageID), zap.Error(err))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Content: successMsg,
		},
	})
}

func (c *groupCommand) handleSetBarbarians(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	locale := string(i.Locale)

	group := ""
	barbarians := false
	for _, opt := range i.ApplicationCommandData().Options[0].Options[0].Options {
		if opt == nil {
			continue
		}
		switch opt.Name {
		case "group":
			group = opt.StringValue()
		case "barbarians":
			barbarians = opt.BoolValue()
		}
	}

	_, err := c.groupSvc.SetBarbarians(ctx, group, i.GuildID, barbarians)
	if err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	successMessageID := "cmd.group.set.barbarians.success"
	successMsg, err := c.localizer.Localize(locale, &i18n.LocalizeConfig{MessageID: successMessageID})
	if err != nil {
		c.logger.Error("no message with the specified id", zap.String("id", successMessageID), zap.Error(err))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Content: successMsg,
		},
	})
}

func (c *groupCommand) handleTribe(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	name := i.ApplicationCommandData().Options[0].Options[0].Name
	switch name {
	case "add":
		c.handleTribeAdd(ctx, s, i)
	case "remove":
		c.handleTribeRemove(ctx, s, i)
	default:
		c.logger.Error("unknown subcommand", zap.String("command", "group tribe"), zap.String("subcommand", name))
	}
}

func (c *groupCommand) handleTribeAdd(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	locale := string(i.Locale)

	group := ""
	tag := ""
	for _, opt := range i.ApplicationCommandData().Options[0].Options[0].Options {
		if opt == nil {
			continue
		}
		switch opt.Name {
		case "group":
			group = opt.StringValue()
		case "tag":
			tag = opt.StringValue()
		}
	}

	_, err := c.groupSvc.AddTribe(ctx, group, i.GuildID, tag)
	if err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	successMessageID := "cmd.group.tribe.add.success"
	successMsg, err := c.localizer.Localize(locale, &i18n.LocalizeConfig{MessageID: successMessageID})
	if err != nil {
		c.logger.Error("no message with the specified id", zap.String("id", successMessageID), zap.Error(err))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Content: successMsg,
		},
	})
}

func (c *groupCommand) handleTribeRemove(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	locale := string(i.Locale)

	group := ""
	tag := ""
	for _, opt := range i.ApplicationCommandData().Options[0].Options[0].Options {
		if opt == nil {
			continue
		}
		switch opt.Name {
		case "group":
			group = opt.StringValue()
		case "tag":
			tag = opt.StringValue()
		}
	}

	_, err := c.groupSvc.RemoveTribe(ctx, group, i.GuildID, tag)
	if err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	successMessageID := "cmd.group.tribe.remove.success"
	successMsg, err := c.localizer.Localize(locale, &i18n.LocalizeConfig{MessageID: successMessageID})
	if err != nil {
		c.logger.Error("no message with the specified id", zap.String("id", successMessageID), zap.Error(err))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Content: successMsg,
		},
	})
}

func (c *groupCommand) handleDelete(ctx context.Context, s *discordgo.Session, i *discordgo.InteractionCreate) {
	locale := string(i.Locale)

	group := i.ApplicationCommandData().Options[0].Options[0].StringValue()
	if err := c.groupSvc.Delete(ctx, group, i.GuildID); err != nil {
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	successMessageID := "cmd.group.delete.success"
	successMsg, err := c.localizer.Localize(locale, &i18n.LocalizeConfig{MessageID: successMessageID})
	if err != nil {
		c.logger.Error("no message with the specified id", zap.String("id", successMessageID), zap.Error(err))
		_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: c.localizer.LocalizeError(locale, err),
			},
		})
		return
	}

	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Content: successMsg,
		},
	})
}