package commands

import (
	"context"
	"net/http"

	"gitea.konchin.com/go2025/backend/bot"
	"gitea.konchin.com/go2025/backend/handlers/auth"
	"gitea.konchin.com/go2025/backend/tracing"
	"github.com/bwmarrin/discordgo"
	"go.uber.org/zap"
)

type WebCommand struct {
	bot *bot.Bot
}

func NewWebCommand(bot *bot.Bot) bot.Command {
	return &WebCommand{bot: bot}
}

func (self *WebCommand) ApplicationCommand() *discordgo.ApplicationCommand {
	return &discordgo.ApplicationCommand{
		Name:        "web",
		Description: "Get a login link to the web interface",
	}
}

func (self *WebCommand) Handler() bot.CommandHandler {
	return func(s *discordgo.Session, i *discordgo.InteractionCreate) {
		var userID string
		if i.Member != nil {
			userID = i.Member.User.ID
		} else if i.User != nil {
			userID = i.User.ID
		}

		// Call backend API
		var res auth.PostGenLoginUrlOutput
		resp, err := self.bot.Client.R().
			SetBody(auth.PostGenLoginUrlInput{UserId: userID}).
			SetResult(&res).
			Post("/bot/auth/gen-login-url")
		if err != nil || resp.StatusCode() != http.StatusOK {
			tracing.Logger.Ctx(context.Background()).
				Error("failed to generate login url",
					zap.Error(err))
			s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
				Type: discordgo.InteractionResponseChannelMessageWithSource,
				Data: &discordgo.InteractionResponseData{
					Content: "❌ Failed to generate login URL",
					Flags:   discordgo.MessageFlagsEphemeral,
				},
			})
			return
		}

		content := "🔗 **Click here to access the web page:**\n"+    
			res.LoginUrl + "\n\n"
		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
			Type: discordgo.InteractionResponseChannelMessageWithSource,
			Data: &discordgo.InteractionResponseData{
				Content: content,
				Flags:   discordgo.MessageFlagsEphemeral,
			},
		})
	}
}