/*
 * Copyright (C) 2008-2020, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.mitchellbosecke.pebble.extension.filters;

import com.juick.model.Message;
import com.juick.util.MessageUtils;
import io.pebbletemplates.pebble.extension.Filter;
import io.pebbletemplates.pebble.extension.escaper.SafeString;
import io.pebbletemplates.pebble.template.EvaluationContext;
import io.pebbletemplates.pebble.template.PebbleTemplate;
import org.apache.commons.lang3.StringUtils;

import java.util.List;
import java.util.Map;

/**
 * Created by vitalyster on 04.05.2017.
 */
public class FormatMessageFilter implements Filter {
    @Override
    public Object apply(Object input, Map<String, Object> args, PebbleTemplate self, EvaluationContext context, int lineNumber) {
        if (input instanceof Message) {
            Message msg = (Message) input;
            if (msg.isHtml()) {
                return new SafeString(msg.getText());
            }
            boolean isCode = msg.getTags().stream().anyMatch(t -> t.getName().equals("code"));
            String formattedMessage = isCode ? MessageUtils.formatMessageCode(StringUtils.defaultString(msg.getText()))
                    : MessageUtils.formatMessage(StringUtils.defaultString(msg.getText()));
            if (MessageUtils.isPM(msg)) {
                return new SafeString(formattedMessage);
            } else {
                String toUserString = msg.getTo().getUid() == 0 ? String.format("<span class=\"h-card\"><a class=\"mention u-url\" href=\"%s\" data-user-uri=\"1\">@%s</a></span>",
                        msg.getTo().getUri().toASCIIString(), msg.getTo().getName()) : String.format("<span class=\"h-card\"><a class=\"u-url\" href=\"https://juick.com/%s/\">@%s</a></span>", msg.getTo().getName(), msg.getTo().getName());
                String formatString = MessageUtils.replyStartsWithQuote(msg) ? "%s,\n%s" : "%s, %s";
                String msgTxt = msg.getRid() > 0 ? String.format(formatString, toUserString, formattedMessage)
                        : formattedMessage;
                return new SafeString(msgTxt);
            }
        }
        throw new IllegalArgumentException("invalid input");
    }

    @Override
    public List<String> getArgumentNames() {
        return null;
    }
}