(function() {
    'use strict';

    function addActivateButton() {
        if (document.getElementById('pbc-activate-all-btn')) return;

        const btn = document.createElement("button");
        btn.id = 'pbc-activate-all-btn';
        btn.innerHTML = 'Activate all Coupons';
        
        Object.assign(btn.style, {
            position: 'fixed',
            top: '80px',
            left: '20px',
            zIndex: '9999',
            padding: '10px 20px',
            backgroundColor: '#003EB0',
            color: 'white',
            border: 'none',
            borderRadius: '4px',
            cursor: 'pointer',
            fontWeight: 'bold',
            boxShadow: '0 2px 5px rgba(0,0,0,0.3)'
        });

        btn.addEventListener("click", async function() {
            const coupons = document.querySelectorAll('button[data-testid*="-not_activated"]');
            if (coupons.length === 0) {
                return;
            }

            btn.innerHTML = `Activating ${coupons.length} Coupons...`;
            btn.disabled = true;

            for (let i = 0; i < coupons.length; i++) {
                try {
                    coupons[i].scrollIntoView({ behavior: 'smooth', block: 'center' });
                    coupons[i].click();
                    await new Promise(r => setTimeout(r, 300));
                } catch (e) {
                    console.error("Error activating coupons:", e);
                }
            }

            btn.innerHTML = 'All activated!';
            btn.style.backgroundColor = '#28a745';
            
            setTimeout(() => {
                btn.innerHTML = 'Activate all Coupons';
                btn.style.backgroundColor = '#003EB0';
                btn.disabled = false;
            }, 3000);
        });

        document.body.appendChild(btn);
    }

    setInterval(() => {
        if (window.location.href.includes('/coupons')) {
            addActivateButton();
        }
    }, 2000);
})();