/*
 * Copyright (c) 2011, 2012 Roberto Tyley
 *
 * This file is part of 'Agit' - an Android Git client.
 *
 * Agit is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Agit 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/ .
 */

package com.madgag.agit.git.model;

import static android.text.Html.fromHtml;
import android.content.Intent;

import com.madgag.agit.GitIntentBuilder;

import java.util.Collection;
import java.util.List;

import org.eclipse.jgit.lib.Repository;

public abstract class RepoDomainType<E> {

    protected final Repository repository;

    public RepoDomainType(Repository repository) {
        this.repository = repository;
    }

    public abstract String name();

    public abstract List<E> getAll();

    public abstract CharSequence conciseSummaryTitle();

    abstract CharSequence conciseSummary(E e);

    public abstract CharSequence shortDescriptionOf(E e);


    public CharSequence summarise(Collection<E> list) {
        if (list.isEmpty()) {
            return fromHtml("<i>« none »</i>");
        }
        StringBuilder sb = new StringBuilder();
        for (E e : list) {
            if (sb.length() > 0) {
                sb.append(conciseSeparator());
            }
            sb.append(conciseSummary(e));
        }
        return sb.toString();
    }

    abstract String conciseSeparator();

    public CharSequence summariseAll() {
        return summarise(getAll());
    }

    public Intent listIntent() {
        return action(name() + ".LIST").toIntent();
    }


    public Intent viewIntentFor(E e) {
        return action(name() + ".VIEW").add(name(), idFor(e)).toIntent();
    }

    public abstract String idFor(E e);

    private GitIntentBuilder action(String action) {
        return new GitIntentBuilder(action).repository(repository);
    }

}