package main

import (
	"bytes"
	"context"
	"fmt"
	"strconv"

	"git.xeserv.us/xena/vyvanse/internal/dao"
	"github.com/bwmarrin/discordgo"
	"github.com/olekukonko/tablewriter"
	opentracing "github.com/opentracing/opentracing-go"
)

func top10(us *dao.Users) func(context.Context, *discordgo.Session, *discordgo.Message, []string) error {
	return func(ctx context.Context, s *discordgo.Session, m *discordgo.Message, parv []string) error {
		sp, ctx := opentracing.StartSpanFromContext(ctx, "top10")
		defer sp.Finish()

		users, err := us.Top10(ctx)
		if err != nil {
			return err
		}

		buf := &bytes.Buffer{}

		table := tablewriter.NewWriter(buf)
		table.SetHeader([]string{"Rank", "Nick", "Score"})

		for i, u := range users {
			apd := []string{}
			apd = append(apd, strconv.Itoa(i+1))

			ch, err := s.Channel(m.ChannelID)
			if err != nil {
				return err
			}

			mem, err := s.GuildMember(ch.GuildID, u.DiscordID)
			if err != nil {
				return err
			}

			apd = append(apd, mem.Nick, strconv.Itoa(u.Score))

			table.Append(apd)
		}

		table.Render()

		txt := fmt.Sprintf("```\n%s\n```", buf)
		_, err = s.ChannelMessageSend(m.ChannelID, txt)
		if err != nil {
			return err
		}

		return nil
	}
}