---
// With an id → a noUiSlider div + init script; without an id → a native <input type=range>.
import CaptureScript from '../components/CaptureScript.astro';
interface Props {
	min?: number;
	max?: number;
	/** single handle, or an array for a multi-handle slider */
	value?: number | number[];
	id?: string;
	connect?: boolean;
	class?: string;
}

const { min = 0, max = 100, value = 50, id, connect = false, class: className } = Astro.props;
const step = 10;

const numericValues = Array.isArray(value) ? value : [value];
const size = numericValues.length;
const startValue = size > 1 ? numericValues : numericValues[0];

// Connect array: alternate false/true for mid segments, then true, false.
let connectValue;
if (size > 1 || connect) {
	const parts: boolean[] = [];
	for (let i = 2; i <= size; i++) parts.push((i - 2) % 2 !== 0);
	connectValue = [...parts, true, false];
}

const rangeId = `range-${id}`;
---

{
	id ? (
		<div class:list={['form-range mb-2', className]} id={rangeId} />
	) : (
		<input type="range" class:list={['form-range mb-2', className]} value={Array.isArray(value) ? value[0] : value} min={min} max={max} step={step} />
	)
}
{
	id && (
		<CaptureScript>
			<!-- BEGIN RANGE -->
			<script is:inline define:vars={{ rangeId, startValue, connectValue, step, min, max }}>
				function initRange() {
					window.noUiSlider &&
						noUiSlider.create(document.getElementById(rangeId), {
							start: startValue,
							...(connectValue ? { connect: connectValue } : {}),
							step,
							range: { min, max },
						});
				}

				document.readyState !== 'loading' ? initRange() : document.addEventListener('DOMContentLoaded', initRange, { once: true });
			</script>
			<!-- END RANGE -->
		</CaptureScript>
	)
}