/*
 * 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.juick.www.api;

import com.juick.model.Message;
import com.juick.model.User;

import java.util.Collections;
import java.util.List;

import javax.annotation.Nonnull;

public class SystemActivity {
    private SystemActivity(ActivityType type) {
        this.type = type;
    }
    public static SystemActivity like(User from, Message message, List<User> subscribers) {
        var like = new SystemActivity(ActivityType.like);
        like.setFrom(from);
        like.setMessage(message);
        like.setTo(subscribers);
        return like;
    }

    public static SystemActivity message(User from, Message message, List<User> subscribers) {
        var msg = new SystemActivity(ActivityType.message);
        msg.setFrom(from);
        msg.setMessage(message);
        msg.setTo(subscribers);
        return msg;
    }

    @Nonnull
    public static SystemActivity read(User from, Message message) {
        var read = new SystemActivity(ActivityType.message);
        read.setFrom(from);
        read.setTo(Collections.emptyList());
        var msg = new Message();
        msg.setMid(message.getMid());
        msg.setUser(from);
        msg.setService(true);
        msg.setUnread(false);
        read.setMessage(msg);
        return read;
    }

    public static SystemActivity follow(User from, List<User> to) {
        var follow = new SystemActivity(ActivityType.follow);
        follow.setFrom(from);
        follow.setTo(to);
        return follow;
    }

    public enum ActivityType {
        message,
        like,
        follow
    }

    private ActivityType type;
    private User from;
    private List<User> to;
    private Message message;

    public ActivityType getType() {
        return type;
    }

    public User getFrom() {
        return from;
    }

    public void setFrom(User from) {
        this.from = from;
    }

    public List<User> getTo() {
        return to;
    }

    public void setTo(List<User> to) {
        this.to = to;
    }

    public Message getMessage() {
        return message;
    }

    public void setMessage(Message message) {
        this.message = message;
    }
}