//========= begin buttons.js
    
//========= Добавляем стили для кнопок=========//
const styleCommon = `
    position:fixed;
    width:30px; //настройки тени?
    height:30px; //настройки тени?
    background:rgba(0,0,0,0.2);
    color:white;
    text-align:center;
    line-height:40px;
    border-radius:20px;
    font-size:35px; //размер кнопки
    z-index:99999;
    transition: all 0.3s ease;
    user-select: none;
    touch-action: none;
`;

const styleMainBtn = styleCommon + 'left:10px;bottom:10px;cursor:move;';


//========= Добавляем стиль для визуального эффекта нажатия=========//
const style = document.createElement('style');
style.textContent = `
    #main-btn.clicked {
        box-shadow: 0 0 10px 3px rgba(255,255,255,0.7);
        transform: scale(0.90);
    }
`;
document.head.appendChild(style);

//========= Создание кнопок =========//
const mainBtn = document.createElement('div');
mainBtn.setAttribute('id', 'main-btn');
mainBtn.setAttribute('style', styleMainBtn);
mainBtn.textContent = '🔎';
document.body.appendChild(mainBtn);

//========= Хранилище позиции =========//
const loadPosition = () => {
    const pos = localStorage.getItem('floatingBtnPos');
    if (pos) {
        const { x, y } = JSON.parse(pos);
        mainBtn.style.left = x + 'px';
        mainBtn.style.top = y + 'px';
        mainBtn.style.bottom = 'auto';
    }
};

const savePosition = (x, y) => {
    localStorage.setItem('floatingBtnPos', JSON.stringify({ x, y }));
};

loadPosition();

//========= Перетаскивание =========//
let offsetX = 0, offsetY = 0, dragging = false, moved = false;

const startDrag = (clientX, clientY) => {
    dragging = true;
    moved = false;
    const rect = mainBtn.getBoundingClientRect();
    offsetX = clientX - rect.left;
    offsetY = clientY - rect.top;
    mainBtn.style.cursor = 'grabbing';
};

const doDrag = (clientX, clientY) => {
    if (!dragging) return;
    moved = true;
    const x = clientX - offsetX;
    const y = clientY - offsetY;

    const bounded = applyBounds(x, y);
    mainBtn.style.left = bounded.x + 'px';
    mainBtn.style.top = bounded.y + 'px';
};

const endDrag = () => {
    if (!dragging) return;
    dragging = false;
    mainBtn.style.cursor = 'move';
    const rect = mainBtn.getBoundingClientRect();
    savePosition(rect.left, rect.top);
};

const applyBounds = (x, y) => {
    const maxX = window.innerWidth - 40;
    const maxY = window.innerHeight - 40;
    return {
        x: Math.max(0, Math.min(x, maxX)),
        y: Math.max(0, Math.min(y, maxY))
    };
};

//========= События =========//
mainBtn.addEventListener('mousedown', e => startDrag(e.clientX, e.clientY));
document.addEventListener('mousemove', e => doDrag(e.clientX, e.clientY));
document.addEventListener('mouseup', () => endDrag());

//mainBtn.addEventListener('touchstart', e => startDrag(e.touches[0].clientX, e.touches[0].clientY), { passive: false });
// document.addEventListener('touchmove', e => { e.preventDefault(); doDrag(e.touches[0].clientX, e.touches[0].clientY); }, { passive: false });
// document.addEventListener('touchend', () => endDrag());
let isDragging = false;
let startX, startY;

mainBtn.addEventListener('touchstart', (e) => {
    isDragging = true;
    startX = e.touches[0].clientX - mainBtn.offsetLeft;
    startY = e.touches[0].clientY - mainBtn.offsetTop;
}, { passive: true }); // <<< ключевой момент
document.addEventListener('touchmove', (e) => {
if (!isDragging) return;

const x = e.touches[0].clientX - startX;
const y = e.touches[0].clientY - startY;

mainBtn.style.left = `${x}px`;
mainBtn.style.top = `${y}px`;

e.preventDefault(); // <<< только если действительно двигаем
}, { passive: false });

document.addEventListener('touchend', () => {
isDragging = false;
});

mainBtn.addEventListener('click', () => {
    if (moved) {
        moved = false;
        return; // Не запускаем поиск если перетаскивали
    }

    // Визуальный эффект нажатия
    mainBtn.classList.add('clicked');
    setTimeout(() => mainBtn.classList.remove('clicked'), 150);

    // Твой код запуска поиска:
    window.doSearchFromGoogleSpreadsheets();
    
});
//========= end buttons.js