//
//  Lol Engine
//
//  Copyright © 2010—2015 Benjamin Litzelmann
//            © 2017—2018 Sam Hocevar <sam@hocevar.net>
//
//  Lol Engine is free software. It comes without any warranty, to
//  the extent permitted by applicable law. You can redistribute it
//  and/or modify it under the terms of the Do What the Fuck You Want
//  to Public License, Version 2, as published by the WTFPL Task Force.
//  See http://www.wtfpl.net/ for more details.
//

#include <lol/engine-internal.h>

#include <string>

#include "input/input_internal.h"

namespace lol
{

array<InputDevice*> InputDevice::devices;
int InputDevice::joystick_count = 0;
bool InputDevice::m_capturemouse;

array<std::string> InputDevice::GetAvailableDevices()
{
    array<std::string> result;
    for (auto const &device : devices)
        result.push(device->m_name);
    return result;
}

std::string InputDevice::GetText()
{
    std::string ret = m_text;
    m_text = "";
    return ret;
}

bool InputDevice::IsTextInputActive()
{
    return m_input_active;
}

void InputDevice::SetTextInputActive(bool status)
{
    m_input_active = status;
}

void InputDeviceInternal::AddKey(int index, const char* name)
{
    if (index == -1)
        index = m_keynames.count();

    while (index >= m_keynames.count())
    {
        m_keynames.push(name);
        m_keys.push(false);
    }

    m_keynames.last() = name;
}

void InputDeviceInternal::AddAxis(int index, const char* name, float sensitivity)
{
    if (index == -1)
        index = m_axisnames.count();

    while (index >= m_axisnames.count())
    {
        m_axisnames.push(name);
        m_axis.push(0.0f, 1.0f);
    }

    m_axisnames.last() = name;
    m_axis.last().m1 = 0.0f;
    m_axis.last().m2 = sensitivity;
}

void InputDeviceInternal::AddCursor(int index, const char* name)
{
    if (index == -1)
        index = m_cursornames.count();

    while (index >= m_cursornames.count())
    {
        m_cursornames.push(name);
        m_cursors.push(vec2::zero, ivec2::zero);
    }

    m_cursornames.last() = name;
}

InputDeviceInternal* InputDeviceInternal::CreateStandardKeyboard()
{
    InputDeviceInternal* keyboard = new InputDeviceInternal(g_name_keyboard.c_str());

    /* Register all scancodes known to SDL (from the USB standard) */
#   define _SC(id, str, name) keyboard->AddKey(id, #name);
#   include "input/keys.h"

    return keyboard;
}

InputDeviceInternal* InputDeviceInternal::CreateStandardMouse()
{
    InputDeviceInternal* mouse = new InputDeviceInternal(g_name_mouse.c_str());
    mouse->AddKey(g_name_mouse_key_left.c_str());
    mouse->AddKey(g_name_mouse_key_middle.c_str());
    mouse->AddKey(g_name_mouse_key_right.c_str());
    //Added to manage if mouse is in the screen or not.
    mouse->AddKey(g_name_mouse_key_in_screen.c_str());

    mouse->AddAxis(g_name_mouse_axis_x.c_str());
    mouse->AddAxis(g_name_mouse_axis_y.c_str());
    mouse->AddAxis(g_name_mouse_axis_xpixel.c_str());
    mouse->AddAxis(g_name_mouse_axis_ypixel.c_str());
    mouse->AddAxis(g_name_mouse_axis_scroll.c_str(), .0000001f);

    mouse->AddCursor(g_name_mouse_cursor.c_str());

    // TODO: extended button, and wheel (as axis or as buttons? or both?)
    return mouse;
}

} /* namespace lol */