/*
 * login_state.cpp -- login state
 *
 * Copyright (c) 2013-2017 David Demelier <markand@malikania.fr>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "color.hpp"
#include "client.hpp"
#include "login_state.hpp"
#include "theme.hpp"
#include "unicode.hpp"
#include "window.hpp"

namespace mlk {

namespace client {

login_state::login_state(client& clt)
{
    clt.window().start_edit();
}

void login_state::handle_text(const text_event& ev)
{
    if (index_ == 0)
        login_ += ev.text;
    else
        password_ += ev.text;
}

void login_state::update(client&)
{
}

void login_state::handle_key_down(const key_event& ev)
{
    switch (ev.key) {
    case key::tab:
        index_ ++;

        if (index_ == 2)
            index_ = 0;
        break;
    case key::backspace:
        if (index_ == 0)
            login_.pop_back();
        else
            password_.pop_back();
        break;
    case key::enter:
        // TODO: add lobby_state when done.
        break;
    default:
        break;
    }
}

void login_state::draw(client& clt)
{
    auto& win = clt.window();
    const auto& font = win.theme().font();

    win.set_drawing_color(mlk::client::color(0xffffffff));
    win.clear();
    win.set_drawing_color(mlk::client::color(0xff000000));
    win.draw_text("Please log in", font, {10, 10});
    win.draw_text("login: ", font, {10, 50});
    win.draw_text("password: ", font, {10, 70});

    if (!login_.empty())
        win.draw_text(unicode::to_utf8(login_), font, {70, 50});
    if (!password_.empty())
        win.draw_text(std::string(password_.length(), '*'), font, {70, 70});

    win.present();
}

} // !client

} // !mlk