<?php

namespace Jio\WidgetSystem;

defined('ABSPATH') || exit;

/** Registers the isolated widget bundle and optional interaction libraries. */
final class AssetManager {
	private const STYLE_HANDLE = 'jio-widget-system';
	private const SCRIPT_HANDLE = 'jio-widgets';

	private static bool $registered = false;
	private static bool $configured = false;

	/** Enqueue before wp_head whenever at least one new widget is assigned. */
	public static function enqueue_active(): void {
		foreach (WidgetRegistry::all() as $definition) {
			if (is_active_widget(false, false, $definition->id_base(), true)) {
				self::enqueue_for($definition);
			}
		}
	}

	public static function enqueue_for(WidgetDefinition $definition): void {
		self::register();
		if ($definition->slug() === 'post_pay') {
			wp_enqueue_style('jio-pay-box');
		}
		foreach ($definition->assets() as $asset) {
			self::enqueue_optional($asset);
		}
		wp_enqueue_style(self::STYLE_HANDLE);
		wp_enqueue_script(self::SCRIPT_HANDLE);
		if (!self::$configured) {
			$config = [
				'restUrl' => esc_url_raw(rest_url('jio/v1/widgets/')),
				'i18n' => [
					'loading' => __('正在加载…', 'jio'),
					'error' => __('加载失败，请重试。', 'jio'),
					'retry' => __('重试', 'jio'),
				],
			];
			wp_add_inline_script(self::SCRIPT_HANDLE, 'window.jioWidgets=' . wp_json_encode($config) . ';', 'before');
			self::$configured = true;
		}
	}

	private static function register(): void {
		if (self::$registered) {
			return;
		}
		$root = get_template_directory();
		$uri = get_template_directory_uri();
		$css = $root . '/assets/widgets/frontend.css';
		$pay_css = $root . '/assets/css/frontend/pay-box.css';
		$js = $root . '/assets/widgets/frontend.js';
		wp_register_style(self::STYLE_HANDLE, $uri . '/assets/widgets/frontend.css', ['jio-public'], is_file($css) ? (string) filemtime($css) : null);
		wp_register_style('jio-pay-box', $uri . '/assets/css/frontend/pay-box.css', ['jio-public'], is_file($pay_css) ? (string) filemtime($pay_css) : null);
		$yiyan_js = $root . '/assets/js/yiyan.js';
		wp_register_script('jio-yiyan', $uri . '/assets/js/yiyan.js', ['loader_js'], is_file($yiyan_js) ? (string) filemtime($yiyan_js) : null, true);
		wp_register_script(self::SCRIPT_HANDLE, $uri . '/assets/widgets/frontend.js', ['loader_js'], is_file($js) ? (string) filemtime($js) : null, true);
		$third_party = $uri . '/assets/widgets/third-party/';
		wp_register_script('jio-widget-hls', $third_party . 'hls.min.js', [], 'reference-pinned', true);
		wp_register_script('jio-widget-flv', $third_party . 'flv.min.js', [], 'reference-pinned', true);
		wp_register_script('jio-widget-dash', $third_party . 'dash.all.min.js', [], 'reference-pinned', true);
		wp_register_script('jio-widget-dplayer', $third_party . 'DPlayer.min.js', ['jio-widget-hls', 'jio-widget-flv', 'jio-widget-dash'], 'reference-pinned', true);
		wp_register_script('jio-widget-tilt', $third_party . 'vanilla-tilt.min.js', [], 'reference-pinned', true);
		self::$registered = true;
	}

	private static function enqueue_optional(string $asset): void {
		if ($asset === 'swiper') {
			// legacy main.js owns the single Swiper runtime and discovers .new-swiper.
		} elseif ($asset === 'dplayer') {
			wp_enqueue_script('jio-widget-dplayer');
		} elseif (in_array($asset, ['hls', 'flv', 'dash'], true)) {
			wp_enqueue_script('jio-widget-' . $asset);
		} elseif ($asset === 'tilt') {
			wp_enqueue_script('jio-widget-tilt');
		} elseif ($asset === 'yiyan') {
			wp_enqueue_script('jio-yiyan');
		}
	}
}