/*
Plugin Name: AFP Loyalty Video Unlock
Description: Locks selected posts/videos until a visitor reaches a configurable number of site visits (counted no more than once per interval). Includes admin-page thresholds, meta-box & list-table toggle (iOS style in WP-blue), blurred thumbnails with lock icon + click popup, front-end blur/overlay, and a bottom-right visit counter.
Version: 1.0.7
Author: AdFreePorn.net
License: GPL-2.0+
*/

defined( 'ABSPATH' ) || exit;

/*────────────────────────────────────────────
  0. DEFAULT OPTIONS (on activation)
────────────────────────────────────────────*/
register_activation_hook( __FILE__, function () {

	add_option( 'afp_loyalty_required', 5 );      // visits needed
	add_option( 'afp_loyalty_interval', 43200 );  // seconds between counted visits (12 h)

} );

/*────────────────────────────────────────────
  1. HELPER FUNCTIONS
────────────────────────────────────────────*/
function afp_loyalty_required() { return max( 1, (int) get_option( 'afp_loyalty_required', 5 ) ); }
function afp_loyalty_interval()  { return max( 60, (int) get_option( 'afp_loyalty_interval', 43200 ) ); }

function afp_loyalty_get_count() {

	if ( is_user_logged_in() ) {
		return (int) get_user_meta( get_current_user_id(), 'afp_loyalty_visits', true );
	}

	return (int) ( $_COOKIE['afp_loyalty_visits'] ?? 0 );
}

function afp_loyalty_is_unlocked() { return afp_loyalty_get_count() >= afp_loyalty_required(); }

function afp_loyalty_post_locked( $post_id ) { return (bool) get_post_meta( $post_id, 'afp_loyalty_locked', true ); }

/*────────────────────────────────────────────
  2. VISIT COUNTER (front-end only)
────────────────────────────────────────────*/
add_action( 'init', function () {

	if ( is_admin() ) { return; }

	$now      = time();
	$interval = afp_loyalty_interval();

	if ( is_user_logged_in() ) {

		$uid  = get_current_user_id();
		$last = (int) get_user_meta( $uid, 'afp_loyalty_last', true );

		if ( $now - $last >= $interval ) {
			update_user_meta( $uid, 'afp_loyalty_visits', afp_loyalty_get_count() + 1 );
			update_user_meta( $uid, 'afp_loyalty_last',   $now );
		}

	} else {

		$visits = afp_loyalty_get_count();
		$last   = (int) ( $_COOKIE['afp_loyalty_last'] ?? 0 );

		if ( $now - $last >= $interval ) {

			$visits++;

			$cookie = array(
				'expires'  => $now + YEAR_IN_SECONDS * 5,
				'path'     => COOKIEPATH ?: '/',
				'domain'   => COOKIE_DOMAIN,
				'secure'   => is_ssl(),
				'httponly' => true,
				'samesite' => 'Lax',
			);

			setcookie( 'afp_loyalty_visits', $visits, $cookie );
			setcookie( 'afp_loyalty_last',   $now,    $cookie );
		}
	}

}, 1 );

/*────────────────────────────────────────────
  3. ADMIN – SETTINGS PAGE
────────────────────────────────────────────*/
add_action( 'admin_menu', function () {

	add_options_page(
		'Loyalty Unlock',
		'Loyalty Unlock',
		'manage_options',
		'afp-loyalty',
		function () {

			if ( isset( $_POST['afp_loyalty_save'] ) && check_admin_referer( 'afp_loyalty_settings' ) ) {

				update_option( 'afp_loyalty_required', max( 1, (int) $_POST['afp_loyalty_required'] ) );
				update_option( 'afp_loyalty_interval',  max( 1, (int) $_POST['afp_loyalty_interval'] ) * 3600 );

				echo '<div class="updated"><p>Settings saved.</p></div>';
			}

			$req  = afp_loyalty_required();
			$intH = afp_loyalty_interval() / 3600;

			echo '
			<div class="wrap">
				<h1>Loyalty Unlock Settings</h1>
				<form method="post">'; wp_nonce_field( 'afp_loyalty_settings' ); echo '
					<table class="form-table">
						<tr>
							<th scope="row">Visits required</th>
							<td><input name="afp_loyalty_required" type="number" min="1" value="' . esc_attr( $req ) . '"></td>
						</tr>
						<tr>
							<th scope="row">Hours between counted visits</th>
							<td><input name="afp_loyalty_interval" type="number" min="1" value="' . esc_attr( $intH ) . '"></td>
						</tr>
					</table>'; submit_button(); echo '
				</form>
			</div>';
		}
	);
} );

/*────────────────────────────────────────────
  4. META-BOX TOGGLE
────────────────────────────────────────────*/
add_action( 'add_meta_boxes', function () {

	foreach ( array( 'post', 'video' ) as $type ) {

		if ( post_type_exists( $type ) ) {

			add_meta_box(
				'afp_loyalty_box',
				'Premium Lock',
				function ( $post ) {

					wp_nonce_field( 'afp_loyalty_save', 'afp_loyalty_nonce' );

					$checked = afp_loyalty_post_locked( $post->ID ) ? 'checked' : '';

					echo '
					<label class="afp-switch">
						<input type="checkbox" name="afp_loyalty_locked" value="1" ' . $checked . '>
						<span class="afp-slider"></span>
						<span style="margin-left:8px;font-weight:600;">Require ' . afp_loyalty_required() . ' visits</span>
					</label>';
				},
				$type,
				'side',
				'high'
			);
		}
	}
} );

add_action( 'save_post', function ( $post_id ) {

	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { return; }
	if ( ! isset( $_POST['afp_loyalty_nonce'] ) || ! wp_verify_nonce( $_POST['afp_loyalty_nonce'], 'afp_loyalty_save' ) ) { return; }

	if ( isset( $_POST['afp_loyalty_locked'] ) ) {
		update_post_meta( $post_id, 'afp_loyalty_locked', 1 );
	} else {
		delete_post_meta( $post_id, 'afp_loyalty_locked' );
	}

} );

/*────────────────────────────────────────────
  5. LIST-TABLE COLUMN + AJAX TOGGLE
────────────────────────────────────────────*/
add_filter( 'manage_posts_columns',      function ( $c ) { $c['afp_lock'] = 'Lock'; return $c; }, 99 );
add_filter( 'manage_edit-post_columns',  function ( $c ) { $c['afp_lock'] = 'Lock'; return $c; }, 99 );
add_filter( 'manage_edit-video_columns', function ( $c ) { $c['afp_lock'] = 'Lock'; return $c; }, 99 );

add_action( 'manage_posts_custom_column', function ( $col, $id ) {

	if ( $col !== 'afp_lock' ) { return; }

	$checked = afp_loyalty_post_locked( $id ) ? 'checked' : '';

	echo '
	<label class="afp-switch" style="margin:0;">
		<input type="checkbox" class="afp-lock-toggle" data-post="' . $id . '" ' . $checked . '>
		<span class="afp-slider"></span>
	</label>';

}, 10, 2 );

add_action( 'manage_post_custom_column',  'afp_loyalty_render_fallback', 10, 2 );
add_action( 'manage_video_custom_column', 'afp_loyalty_render_fallback', 10, 2 );

function afp_loyalty_render_fallback( $col, $id ) {

	if ( $col !== 'afp_lock' ) { return; }

	$checked = afp_loyalty_post_locked( $id ) ? 'checked' : '';

	echo '
	<label class="afp-switch" style="margin:0;">
		<input type="checkbox" class="afp-lock-toggle" data-post="' . $id . '" ' . $checked . '>
		<span class="afp-slider"></span>
	</label>';
}

/* AJAX */
add_action( 'wp_ajax_afp_loyalty_toggle', function () {

	if ( ! current_user_can( 'edit_posts' ) ) { wp_send_json_error(); }
	check_ajax_referer( 'afp_loyalty_nonce', 'nonce', false );

	$id   = (int) ( $_POST['post'] ?? 0 );
	$lock = (int) ( $_POST['lock'] ?? 0 );

	if ( ! $id ) { wp_send_json_error(); }

	$lock ? update_post_meta( $id, 'afp_loyalty_locked', 1 ) : delete_post_meta( $id, 'afp_loyalty_locked' );

	wp_send_json_success();
} );

/*────────────────────────────────────────────
  6. THUMBNAIL OVERLAY (blur + icon)
────────────────────────────────────────────*/
add_filter( 'post_thumbnail_html', function ( $html, $id ) {

	if ( ! afp_loyalty_post_locked( $id ) || afp_loyalty_is_unlocked() ) { return $html; }

	$r = afp_loyalty_required() - afp_loyalty_get_count();

	return '
	<span class="afp-thumb-wrap" data-afp-rem="' . $r . '">
		' . $html . '
		<span class="afp-thumb-lock"></span>
	</span>';
}, 10, 2 );

/*────────────────────────────────────────────
  7. CONTENT OVERLAY
────────────────────────────────────────────*/
add_filter( 'the_content', function ( $html ) {

	if ( ! is_singular() ) { return $html; }

	global $post;

	if ( ! afp_loyalty_post_locked( $post->ID ) || afp_loyalty_is_unlocked() ) { return $html; }

	$r = afp_loyalty_required() - afp_loyalty_get_count();

	return '
	<div class="afp-locked">
		<div class="afp-locked-msg">Visit ' . $r . ' more time' . ( $r === 1 ? '' : 's' ) . ' to unlock this video.</div>
		<div class="afp-locked-blur">' . $html . '</div>
	</div>';
}, 8 );

/*────────────────────────────────────────────
  8. STYLES + SCRIPTS
────────────────────────────────────────────*/
add_action( 'admin_enqueue_scripts', function ( $hook ) {

	if ( ! in_array( $hook, array( 'edit.php', 'post.php', 'post-new.php' ), true ) ) { return; }

	wp_enqueue_style( 'dashicons' );

	wp_add_inline_style( 'wp-admin', '
		.afp-switch{position:relative;display:inline-block;width:46px;height:24px;vertical-align:middle;cursor:pointer}
		.afp-switch input{opacity:0;width:0;height:0}
		.afp-slider{position:absolute;top:0;left:0;right:0;bottom:0;background:#ccc;border-radius:34px;transition:.4s}
		.afp-slider:before{content:"";position:absolute;height:18px;width:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.4s}
		.afp-switch input:checked + .afp-slider{background:#2271b1}
		.afp-switch input:checked + .afp-slider:before{transform:translateX(22px)}
		.afp-switch input:focus + .afp-slider{box-shadow:0 0 1px #2271b1}
	' );

	wp_add_inline_script( 'jquery-core', '
		jQuery(function($){
			const n="' . wp_create_nonce( 'afp_loyalty_nonce' ) . '";
			$(document).on("change",".afp-lock-toggle",function(){
				$.post(ajaxurl,{action:"afp_loyalty_toggle",nonce:n,post:$(this).data("post"),lock:this.checked?1:0});
			});
		});
	' );
} );

add_action( 'wp_enqueue_scripts', function () {

	wp_enqueue_style( 'dashicons' );

	/* ─── NEW LOOK ───────────────────────── */
	$css = '
		/* common wrapper (IMG thumbs) */
		.afp-thumb-wrap{position:relative;display:inline-block;overflow:hidden}
		.afp-thumb-wrap img{display:block;width:100%;height:auto;transform:scale(1.05);filter:blur(8px)}
		.afp-thumb-lock{position:absolute;inset:0;background:rgba(0,0,0,.35);pointer-events:none}
		.afp-thumb-lock:before{content:"\f160";font-family:"Dashicons";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:64px;line-height:1;color:#fff}

		/* background-image thumbs (WP-Script & co) */
		a.thumb.afp-locked-thumb{position:relative;display:block;overflow:hidden}
		a.thumb.afp-locked-thumb:before{
			content:"";position:absolute;inset:0;transform:scale(1.05);
			filter:blur(8px);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
		}
		a.thumb.afp-locked-thumb:after{
			content:"\f160";font-family:"Dashicons";position:absolute;top:50%;left:50%;
			transform:translate(-50%,-50%);font-size:64px;line-height:1;color:#fff
		}

		/* single-post lock overlay */
		.afp-locked{position:relative}
		.afp-locked-msg{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.85);color:#fff;font-size:20px;text-align:center;padding:20px;z-index:10}
		.afp-locked-blur{filter:blur(8px);pointer-events:none}

		/* visit counter bubble */
		#afp-loyalty-popup{position:fixed;bottom:20px;right:20px;z-index:9999;background:#222;color:#fff;padding:10px 14px;border-radius:6px;font-size:14px;line-height:1.3;box-shadow:0 2px 6px rgba(0,0,0,.4)}
	';

	wp_add_inline_style( 'wp-block-library', $css );

	/* list of locked posts visible on the current query */
	$locked = array();
	if ( ! afp_loyalty_is_unlocked() && isset( $GLOBALS['wp_query']->posts ) ) {
		foreach ( $GLOBALS['wp_query']->posts as $p ) {
			if ( afp_loyalty_post_locked( $p->ID ) ) { $locked[] = $p->ID; }
		}
	}

	wp_add_inline_script( 'wp-hooks', '
		const afpLockedPosts=' . json_encode( $locked ) . ';
		const afpVisits=' . afp_loyalty_get_count() . ';
		const afpReq=' . afp_loyalty_required() . ';
		document.addEventListener("DOMContentLoaded",function(){
			document.querySelectorAll("a.thumb[data-post-id]").forEach(function(el){
				const id=parseInt(el.dataset.postId||0);
				if(afpLockedPosts.includes(id)){
					el.classList.add("afp-locked-thumb");
					el.dataset.afpRem=afpReq-afpVisits;
				}
			});
		});
		document.addEventListener("click",function(e){
			const w=e.target.closest(".afp-thumb-wrap, a.thumb.afp-locked-thumb");
			if(!w){return;}
			e.preventDefault();
			const r=w.dataset.afpRem||0;
			alert("Locked. Visit "+r+" more time"+(r==1?"":"s")+" to unlock!");
		});
	' );
} );

/*────────────────────────────────────────────
  9. VISIT COUNTER POPUP
────────────────────────────────────────────*/
add_action( 'wp_footer', function () {

	echo '
	<div id="afp-loyalty-popup">
		Visits: ' . afp_loyalty_get_count() . ' / ' . afp_loyalty_required() . '
	</div>';
} );