window.onProfNext = {
    preventDefault: function (event) {
        if (event) {
            event.preventDefault();
            event.stopPropagation();
        }
    },
    startResize: function (event, bookingId, onResizeCallback) {
        event.preventDefault();
        const element = event.target.closest('.booking-item');
        if (!element) return;

        let startY = event.clientY;
        let startHeight = parseInt(element.style.height) || 50; // Default 50px (1 hour)
        const minHeight = 25; // Minimum 0.5 hours
        const maxHeight = 400; // Maximum 8 hours

        function onMouseMove(e) {
            const deltaY = e.clientY - startY;
            let newHeight = Math.max(minHeight, Math.min(maxHeight, startHeight + deltaY));
            newHeight = Math.round(newHeight / 25) * 25; // Round to nearest 0.5 hours
            element.style.height = `${newHeight}px`;

            const hours = newHeight / 50; // 50px = 1 hour
            window.onProfNext.currentHours = hours;
        }

        function onMouseUp() {
            document.removeEventListener('mousemove', onMouseMove);
            document.removeEventListener('mouseup', onMouseUp);
            DotNet.invokeMethodAsync('OnProfNext.Client', 'UpdateBookingHours', bookingId, window.onProfNext.currentHours);
        }

        document.addEventListener('mousemove', onMouseMove);
        document.addEventListener('mouseup', onMouseUp);
    }
};