package com.juick.command;

import com.juick.User;
import com.juick.server.helpers.TagStats;
import com.juick.server.protocol.ProtocolListener;
import com.juick.service.TagService;
import lombok.Getter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.List;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

/**
 * @author ma1uta
 */
@Component
@Getter
public class ShowTags implements Command {

    private static final Pattern PATTERN = Pattern.compile("\\*", Pattern.CASE_INSENSITIVE);

    private final TagService tagService;

    @Autowired
    public ShowTags(TagService tagService) {
        this.tagService = tagService;
    }

    @Override
    public Pattern pattern() {
        return PATTERN;
    }

    @Override
    public String help() {
        return "* - Show your tags";
    }

    @Override
    public String execute(User sender, ProtocolListener protocolListener, String command) {
        List<TagStats> tags = getTagService().getUserTagStats(sender.getUid());
        return "Your tags: (tag - messages)\n" +
            tags.stream()
                .map(t -> String.format("\n*%s - %d", t.getTag().getName(), t.getUsageCount())).collect(Collectors.joining());
    }
}