#include "keyhandler.h"
#include <iostream>
#include <unistd.h>

KeyHandler::~KeyHandler()
{
}

void KeyHandler::Key(SpecialKey key, KeyModifiers mods)
{
    WaitUntilNotPaused();

    if (mods & KM_META_MASK) {
        std::cout << "Meta+";
    }
    if (mods & KM_CTRL_MASK) {
        std::cout << "Ctrl+";
    }
    if (mods & KM_ALT_MASK) {
        std::cout << "Alt+";
    }
    if (mods & KM_SHIFT_MASK) {
        std::cout << "Shift+";
    }

    switch (key) {
        case SpecialKey::NONE:
            break;
        case SpecialKey::UP:
            std::cout << "↑";
            break;
        case SpecialKey::DOWN:
            std::cout << "↓";
            break;
        case SpecialKey::LEFT:
            std::cout << "←";
            break;
        case SpecialKey::RIGHT:
            std::cout << "→";
            break;
        case SpecialKey::HOME:
            std::cout << "⇤";
            break;
        case SpecialKey::END:
            std::cout << "⇥";
            break;
        case SpecialKey::RETURN:
            std::cout << "↲\n";
            break;
        case SpecialKey::ESCAPE:
            std::cout << "ESC\n";
            break;
    }
}

void KeyHandler::Key(char key, KeyModifiers mods)
{
    WaitUntilNotPaused();

    if (mods & KM_META_MASK) {
        std::cout << "Meta+";
    }
    if (mods & KM_CTRL_MASK) {
        std::cout << "Ctrl+";
    }
    if (mods & KM_ALT_MASK) {
        std::cout << "Alt+";
    }
    if (mods & KM_SHIFT_MASK) {
        std::cout << "Shift+";
    }
    std::cout << key;
}

void KeyHandler::TogglePaused()
{
    m_paused = !m_paused;
    std::cout << (m_paused ? "Paused\n" : "Resumed\n");
}

void KeyHandler::WaitUntilNotPaused()
{
    while (m_paused) {
        usleep(100000);
    }
}