/*
 * The MIT License
 *
 * Copyright (c) 2010, Kohsuke Kawaguchi
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.kohsuke.github;

import com.infradna.tool.bridge_method_injector.WithBridgeMethods;

import java.io.IOException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

/**
 * Represents an user of GitHub.
 *
 * @author Kohsuke Kawaguchi
 */
public class GHUser extends GHPerson {

    /**
     * Follow this user.
     */
    public void follow() throws IOException {
        new Requester(root).method("PUT").to("/user/following/" + login);
    }

    /**
     * Unfollow this user.
     */
    public void unfollow() throws IOException {
        new Requester(root).method("DELETE").to("/user/following/" + login);
    }

    /**
     * Lists the users that this user is following
     */
    @WithBridgeMethods(Set.class)
    public GHPersonSet<GHUser> getFollows() throws IOException {
        GHUser[] followers = root.retrieve().to("/users/" + login + "/following", GHUser[].class);
        return new GHPersonSet<GHUser>(Arrays.asList(wrap(followers,root)));
    }

    /**
     * Lists the users who are following this user.
     */
    @WithBridgeMethods(Set.class)
    public GHPersonSet<GHUser> getFollowers() throws IOException {
        GHUser[] followers = root.retrieve().to("/users/" + login + "/followers", GHUser[].class);
        return new GHPersonSet<GHUser>(Arrays.asList(wrap(followers,root)));
    }

    /**
     * Returns true if this user belongs to the specified organization.
     */
    public boolean isMemberOf(GHOrganization org) {
        return org.hasMember(this);
    }

    /**
     * Returns true if this user belongs to the specified organization as a public member.
     */
    public boolean isPublicMemberOf(GHOrganization org) {
        return org.hasPublicMember(this);
    }

    /*package*/ static GHUser[] wrap(GHUser[] users, GitHub root) {
        for (GHUser f : users)
            f.root = root;
        return users;
    }

    /**
     * Gets the organization that this user belongs to publicly.
     */
    @WithBridgeMethods(Set.class)
    public GHPersonSet<GHOrganization> getOrganizations() throws IOException {
        GHPersonSet<GHOrganization> orgs = new GHPersonSet<GHOrganization>();
        Set<String> names = new HashSet<String>();
        for (GHOrganization o : root.retrieve().to("/users/" + login + "/orgs", GHOrganization[].class)) {
            if (names.add(o.getLogin()))    // I've seen some duplicates in the data
                orgs.add(root.getOrganization(o.getLogin()));
        }
        return orgs;
    }

    @Override
    public String toString() {
        return "User:"+login;
    }

    @Override
    public int hashCode() {
        return login.hashCode();
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof GHUser) {
            GHUser that = (GHUser) obj;
            return this.login.equals(that.login);
        }
        return false;
    }
}