package discord

import (
	"fmt"
	"strings"

	"git.jojodev.com/minecraft/mcm-discord/database"
	"git.jojodev.com/minecraft/mcm-discord/discord/rest"
	"github.com/Karitham/corde"
)

func (d Discord) sync(w corde.ResponseWriter, i *corde.Interaction) {
	members, err := rest.Members(i.GuildID.String(), d.token)
	if err != nil {
		w.Respond(corde.NewResp().Content("Could not sync.").Ephemeral())
		return
	}

	syncPlayer := func(pl *database.Player) (bool, error) {
		for _, member := range members {
			name := member.Nick
			if name == "" {
				name = member.User.Username
			}
			if strings.EqualFold(pl.Username, name) {
				return true, d.store.PlayerUpdateDiscordID(member.User.ID, pl.ID)
			}
		}
		return false, nil
	}

	players, err := d.store.PlayersByDiscordIsNull()
	if err != nil {
		w.Respond(corde.NewResp().Content("Could not sync.").Ephemeral())
		return
	}
	needed, err := d.store.PlayersByDiscordIsNullCount()
	if err != nil {
		w.Respond(corde.NewResp().Content("Could not sync.").Ephemeral())
		return
	}

	var synced []string
	var notSynced []string
	if needed > 0 {
		for _, player := range players {
			ok, err := syncPlayer(player)
			if err != nil {
				w.Respond(corde.NewResp().Content("Could not sync.").Ephemeral())
				return
			}
			if ok {
				synced = append(synced, player.Username)
				continue
			}
			notSynced = append(notSynced, player.Username)
		}
	}
	txt := fmt.Sprintf("Synced\n\t%s\n\nNot Synced\n\t%s", strings.Join(synced, "\n\t"), strings.Join(notSynced, "\n\t"))
	w.Respond(corde.NewResp().Attachment(strings.NewReader(txt), "sync.txt").Contentf("Successfully synced %d/%d players.", len(synced), needed))
}