/* buy.js — page-local checkout helper.
 *
 * Mirrors `script.js` `buyNow()` — the main page's checkout path.
 * If that changes, change this too.
 *
 * Loaded by pages that do not load `script.js` (e.g. the bootcamp page).
 * Binds `.btn-buy` elements: <a class="btn-buy" data-id="12">…</a>.
 */
(function () {
    'use strict';

    /* ---- UTM tracking helpers (verbatim from script.js) ---- */
    function getCookie(name) {
        var match = document.cookie.match(new RegExp('(^| )' + name + '=([^;]+)'));
        return match ? decodeURIComponent(match[2]) : null;
    }

    function getStoredUTM() {
        var utm = {};
        var keys = ['source', 'medium', 'campaign'];
        for (var i = 0; i < keys.length; i++) {
            var val = getCookie('utm_' + keys[i]);
            if (val) utm[keys[i]] = val;
        }
        return utm;
    }

    function appendToForm(form) {
        var stored = getStoredUTM();
        var keys = ['source', 'medium', 'campaign'];
        for (var i = 0; i < keys.length; i++) {
            if (stored[keys[i]]) {
                var input = document.createElement('input');
                input.type = 'hidden';
                input.name = 'utm_' + keys[i];
                input.value = stored[keys[i]];
                form.appendChild(input);
            }
        }
    }

    /* ---- Buy Now — POST basket via form, opens checkout in new tab ---- */
    window.buyNow = function (productId) {
        var form = document.createElement('form');
        form.method = 'POST';
        form.action = 'https://20.odoo4projects.com/shop/post_basket';
        form.target = '_blank';
        form.style.display = 'none';

        var basket = document.createElement('input');
        basket.type = 'hidden';
        basket.name = 'basket';
        basket.value = JSON.stringify([{ product_id: productId, qty: 1 }]);
        form.appendChild(basket);

        var clear = document.createElement('input');
        clear.type = 'hidden';
        clear.name = 'clear';
        clear.value = '1';
        form.appendChild(clear);

        appendToForm(form);

        document.body.appendChild(form);
        form.submit();
        document.body.removeChild(form);
    };

    /* ---- Bind .btn-buy (delegated: same contract as script.js) ---- */
    document.addEventListener('click', function (e) {
        var btn = e.target.closest ? e.target.closest('.btn-buy') : null;
        if (!btn) return;
        var id = btn.getAttribute('data-id');
        if (id) {
            e.preventDefault();
            window.buyNow(parseInt(id, 10));
        }
    });
})();