<?php

if (!defined('ABSPATH')) {
	exit; // Exit if accessed directly.
}

/**
 * Main AR Model Viewer Class
 *
 * The main class that initiates and runs the plugin.
 *
 * @since 1.0.0
 */
final class AR_Model_Viewer_Admin
{

	/**
	 * Constructor
	 *
	 * @since 1.0.0
	 *
	 * @access public
	 */
	public function __construct()
	{

		$this->init();
	}

	/**
	 * Initialize the plugin
	 *
	 * Load the plugin only after Elementor (and other plugins) are loaded.
	 * Load the files required to run the plugin.
	 *
	 * Fired by `plugins_loaded` action hook.
	 *
	 * @since 1.0.0
	 *
	 * @access public
	 */
	public function init()
	{

		add_action('add_meta_boxes', [$this, 'add_custom_meta_box']);
		add_action('save_post', [$this, 'ar_model_viewer_meta_box_save']);
		add_action('woocommerce_save_product_variation', [$this, 'save_variant_field_to_variation'], 10, 2);

		add_action('admin_enqueue_scripts', [$this, 'enqueue_scripts']);
		add_action('woocommerce_product_after_variable_attributes', [$this, 'add_variant_field_to_variation'], 10, 3);
	}


	public function enqueue_scripts()
	{
		wp_register_script('ar-model-viewer', plugins_url('../js/ar-model-viewer-admin.js', __FILE__),  array('jquery'), WP_DEBUG ? time() : AR_Model_Viewer::VERSION);
		wp_enqueue_script('ar-model-viewer');


		AR_Model_Viewer::instance()->renderer->localize(['modelId' => 'ar-model-viewer-admin-preview']);
		wp_enqueue_style('ar-model-viewer-admin', plugins_url('../css/ar-model-viewer-admin.css', __FILE__), [], WP_DEBUG ? time() : AR_Model_Viewer::VERSION);
	}


	function add_custom_meta_box()
	{
		$screens = ['product'];
		foreach ($screens as $screen) {
			add_meta_box(
				'ar_model_viewer_box_id',                 // Unique ID
				'AR Model Configurator',      // Box title
				[$this, 'ar_model_viewer_content'],  // Content callback, must be of type callable
				$screen,                            // Post type
				"advanced",
				"low"
			);
		}
	}

	function ar_model_viewer_meta_box_save($post_id)
	{
		// Bail if we're doing an auto save
		if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) return;

		// if our nonce isn't there, or we can't verify it, bail
		if (!isset($_POST['meta_box_nonce']) || !wp_verify_nonce($_POST['meta_box_nonce'], 'ar_model_viewer_file_meta_box_nonce')) return;

		// if our current user can't edit this post, bail
		// RETURNS False for some reason
		// if (!current_user_can('edit_post')) return;

		$this->is_allowed_to_add($post_id);
		AR_Model_Viewer::instance()->renderer->save_post_settings($post_id);
	}

	function is_allowed_to_add($post_id)
	{

		if (!isset($_POST['ar_model_viewer_file'])) {
			return true;
		}
		if (AR_Model_Viewer_Settings_Page::PLUGIN_PLAN == 'premium') {
			return true;
		}
		if (empty($_POST['ar_model_viewer_file'])) {
			$post_ids = AR_Model_Viewer_Settings_Page::get3DProducts();
			// Check if the element exists in the array
			if (($key = array_search($post_id, $post_ids)) !== false) {
				// Remove the element from the array
				unset($post_ids[$key]);
				$this->update_products($post_ids);
			}
		} else {
			$post_ids = AR_Model_Viewer_Settings_Page::get3DProducts();
			$total_product = sizeof($post_ids);
			if (in_array($post_id, $post_ids) === false) {
				$total_product += 1;
			}
			$max = 10;
			// allow only 10 products
			if ($total_product > $max) {
				$message = 'You have reached the maximum number of 3D model uploads (' . $max . '). Please upgrade to upload more models. <a href="https://bitbute.tech" target="_blank">Upgrade</a>';
				wp_die($message);
			} else {
				if (!in_array($post_id, $post_ids)) {
					$post_ids[]  = $post_id;
					$this->update_products($post_ids);
				}
			}
		}
	}


	public function get_uploaded_count()
	{
		return sizeof(AR_Model_Viewer_Settings_Page::get3DProducts());
	}

	public function update_products($post_ids)
	{
		update_option('ar_model_viewer_upload_products', array_unique($post_ids));
	}


	public function ar_model_viewer_content($post)
	{

		wp_nonce_field('ar_model_viewer_file_meta_box_nonce', 'meta_box_nonce');

		echo '<div id="ar-model-viewer-admin-preview-box">';
		echo '<h4>Preview</h4>';
		$render = AR_Model_Viewer::instance()->renderer->set_from_product($post->ID);
		if (empty($render->get_attribute('poster'))) {
			$render->set_attributes(['poster' => wc_placeholder_img_src('')]);
		}
		$render->set_attributes(['id' => 'ar-model-viewer-admin-preview']);
		echo $render->render_ar();
		echo '</div>';

		echo '<div id="ar-model-viewer-post-metabox">';
		echo "</div>";
	}

	function add_variant_field_to_variation($loop, $variation_data, $variation)
	{

		$renderer = AR_Model_Viewer::instance()->renderer;
		if (!$renderer->isPremiumPlan) {
			return;
		}
		$current_settings = $renderer->get_post_settings(wp_get_post_parent_id($variation->ID));

		$variants = isset($current_settings['ar_variants']) ? $current_settings['ar_variants'] : [];
		if (!is_array($variants)) {
			$variant_options = [];
		} else {
			$variant_options = [];
			$variant_options = ['' => 'None'];
			foreach ($variants as $key => $variant) {
				$variant_options[$key] = $variant['name'];
			}
		}

		$wc_variants = $current_settings['wc_variants'];
		if (!empty($wc_variants)) {
			$current_value = $wc_variants[$variation->ID];
		} else {
			$current_value = '';
		}
		woocommerce_wp_select(
			array(
				'id' => '_ar_variant_id[' . $loop . ']',
				'label' => __('AR Variant', 'woocommerce'),
				'options' => $variant_options,
				'description' => __('Choose the AR Variant to display with this variation', 'woocommerce'),
				'value' => $current_value
			)
		);
	}

	// Save the new field value when a variation is saved
	function save_variant_field_to_variation($variation_id, $i)
	{
		AR_Model_Viewer::instance()->renderer->save_variation_settings($variation_id, $i);
	}
}