package cc.fascinated.bat.common;

import cc.fascinated.bat.model.BatGuild;
import cc.fascinated.bat.model.BatUser;
import net.dv8tion.jda.api.entities.Member;
import net.dv8tion.jda.api.entities.Role;

import java.util.Comparator;

/**
 * @author Fascinated (fascinated7)
 */
public class MemberUtils {
    /**
     * Checks if a user has permission to edit another user
     *
     * @param guild the guild to check
     * @param user  the user to check
     * @return if the user has permission to edit another user
     */
    public static boolean hasPermissionToEdit(BatGuild guild, BatUser user) {
        Member botUser = guild.getDiscordGuild().getSelfMember();
        Member member = guild.getDiscordGuild().getMemberById(user.getId());
        if (member == null) {
            return false;
        }

        return botUser.canInteract(member) && getHighestRole(botUser).getPosition() > getHighestRole(member).getPosition();
    }

    /**
     * Gets the highest role of a member
     *
     * @param member the member to get the highest role of
     * @return the highest role of the member
     */
    public static Role getHighestRole(Member member) {
        return member.getRoles().stream().max(Comparator.comparingInt(Role::getPosition)).orElse(null);
    }
}