package sh.okx.rankup.commands;

import lombok.RequiredArgsConstructor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import sh.okx.rankup.Rankup;
import sh.okx.rankup.messages.Message;
import sh.okx.rankup.ranks.Rank;
import sh.okx.rankup.ranks.Rankups;

@RequiredArgsConstructor
public class RanksCommand implements CommandExecutor {
  private final Rankup plugin;

  @Override
  public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
    Rankups rankups = plugin.getRankups();
    Rank playerRank = null;
    if (sender instanceof Player) {
      playerRank = rankups.getByPlayer((Player) sender);
    }

    plugin.sendHeaderFooter(sender, playerRank, Message.RANKS_HEADER);

    Message message = playerRank == null ? Message.RANKS_INCOMPLETE : Message.RANKS_COMPLETE;
    Rank rank = rankups.getFirst();
    do {
      Rank next = rankups.next(rank);
      if (rank.equals(playerRank)) {
        plugin.sendMessage(sender, Message.RANKS_CURRENT, rank, next);
        message = Message.RANKS_INCOMPLETE;
      } else {
        // helpful message to say there is a null rankup
        if (next == null) {
          plugin.getMessage(Message.INVALID_RANKUP).failIfEmpty().send(sender);
          plugin.getLogger().severe("Rankup from " + rank.getName() + " to " + rank.getNext() +
              " is defined but " + rank.getNext() + " does not exist.");
          return true;
        }

        plugin.sendMessage(sender, message, rank, next);
      }
      rank = next;
    } while (!rank.isLast());

    plugin.sendHeaderFooter(sender, playerRank, Message.RANKS_FOOTER);
    return true;
  }
}