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package com.juick.command;

import com.juick.User;
import com.juick.server.protocol.ProtocolListener;
import lombok.Getter;
import lombok.Setter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.Set;

/**
 * @author ma1uta
 */
@Component
@Getter
public class Processor {

    private static final Logger LOGGER = LoggerFactory.getLogger(Processor.class);

    private final Set<Command> commands;
    @Setter
    private ProtocolListener protocolListener;

    @Autowired
    public Processor(Set<Command> commands) {
        this.commands = commands;
    }

    public String execute(User sender, String command) {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Execute command: {}", command);
        }
        for (Command commandItem : getCommands()) {
            if (commandItem.pattern().matcher(command).matches()) {
                if (LOGGER.isDebugEnabled()) {
                    LOGGER.debug("Found command processor: {}", commandItem.getClass().getName());
                }
                return commandItem.execute(sender, command);
            }
        }

        LOGGER.debug("Command processor not found, return help");
        return "";
    }
}