<?php
if ( ! defined( 'ABSPATH' ) ) exit;

class SEATT_Admin {

	public function __construct() {
		add_action( 'admin_enqueue_scripts', array( $this, 'menu_icon_css' ) );
		add_action( 'admin_menu', array( $this, 'register_menu' ) );
		add_action( 'admin_menu', array( $this, 'register_addons_menu' ), 90 );
		add_action( 'admin_enqueue_scripts', array( $this, 'addons_assets' ) );
		// admin_menu runs before WordPress refuses unknown pages, admin_init does not.
		add_action( 'admin_menu', array( $this, 'redirect_old_pages' ), 1 );
		// The top-level item only forwards to the Events list: do it before any output.
		add_action( 'load-toplevel_page_seatt-main', array( $this, 'render_events_redirect' ) );
	}

	/** Old bookmarks (admin.php?page=esm-settings …) open the renamed screens (page=seatt-…). */
	public function redirect_old_pages() {
		$page = isset( $_GET['page'] ) ? sanitize_key( wp_unslash( $_GET['page'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- read-only redirect
		if ( 0 !== strpos( $page, 'esm-' ) || ! current_user_can( 'edit_posts' ) ) {
			return;
		}
		$url = add_query_arg( 'page', 'seatt-' . substr( $page, 4 ) );
		wp_safe_redirect( $url );
		exit;
	}

	public function register_menu() {
		add_menu_page(
			__( 'SeatHive', 'seathive' ),
			__( 'SeatHive', 'seathive' ),
			'seatt_access', // just "can see this menu at all" — each submenu still narrows further on its own
			'seatt-main',
			array( $this, 'render_events_redirect' ),
			// 'none': the logo is drawn by CSS (see menu_icon_css()) so it
			// has the right colour from the very first paint.
			'none',
			26
		);
	}

	/**
	 * SeatWP menu icon, painted with CSS on every admin screen.
	 *
	 * A data-URI SVG icon is drawn black first and only recoloured by
	 * WordPress's JavaScript after the page has loaded — so on every
	 * navigation the logo flashed black before turning white/grey. As a
	 * CSS mask filled with currentColor it takes the menu's own colour
	 * (normal, hover, current, any admin colour scheme) immediately.
	 */
	public function menu_icon_css() {
		$uri = 'data:image/svg+xml;base64,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';
		wp_add_inline_style( 'admin-menu', '#adminmenu #toplevel_page_seatt-main div.wp-menu-image::before{content:"";display:inline-block;width:20px;height:20px;padding:0;margin-top:7px;background-color:currentColor;'
			. '-webkit-mask:url("' . $uri . '") center/20px 20px no-repeat;mask:url("' . $uri . '") center/20px 20px no-repeat;}'
			. '#adminmenu #toplevel_page_seatt-main div.wp-menu-image{background-image:none !important;}'
			. '#adminmenu #toplevel_page_seatt-main a[href="admin.php?page=seatt-addons"]{color:#6fd3ea;}' );
	}

	public function render_events_redirect() {
		wp_safe_redirect( admin_url( 'edit.php?post_type=seatt_event' ) );
		exit;
	}

	/* ------------------------------------------------------------------
	 * Add-ons dashboard
	 * ---------------------------------------------------------------- */

	public function register_addons_menu() {
		add_submenu_page(
			'seatt-main',
			__( 'SeatHive Add-ons', 'seathive' ),
			__( 'Add-ons', 'seathive' ),
			'manage_options',
			'seatt-addons',
			array( $this, 'render_addons_page' )
		);
	}

	public function addons_assets() {
		$page   = isset( $_GET['page'] ) ? sanitize_key( wp_unslash( $_GET['page'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- which screen is open
		$screen = function_exists( 'get_current_screen' ) ? get_current_screen() : null;
		if ( 0 === strpos( $page, 'seatt-' ) || ( $screen && 'seatt_event' === $screen->post_type ) ) {
			wp_enqueue_style( 'seatt-admin-screens', SEATT_PLUGIN_URL . 'admin/css/admin-screens.css', array(), seatt_asset_ver( 'admin/css/admin-screens.css' ) );
			wp_enqueue_script( 'seatt-ui', SEATT_PLUGIN_URL . 'assets/js/seatt-ui.js', array(), seatt_asset_ver( 'assets/js/seatt-ui.js' ), true );
		}
		if ( 'seatt-addons' !== $page ) {
			return;
		}
		wp_enqueue_style( 'seatt-addons', SEATT_PLUGIN_URL . 'admin/css/addons.css', array(), seatt_asset_ver( 'admin/css/addons.css' ) );
	}

	/** Purchase plans offered on seatwp.com (keys = ?checkout= values). */
	public static function seatmap_plans() {
		return array(
			'trial' => array(
				'name'  => __( 'Free trial', 'seathive' ),
				'price' => '$0',
				'per'   => __( '7 days', 'seathive' ),
				'note'  => __( 'One trial per account. No payment needed.', 'seathive' ),
				'cta'   => __( 'Start free trial', 'seathive' ),
			),
			'3m'       => array(
				'name'  => __( '3 Months', 'seathive' ),
				'price' => '$39',
				'per'   => __( '90 days · 1 website', 'seathive' ),
				'note'  => __( 'Great for a single event or season.', 'seathive' ),
				'cta'   => __( 'Buy 3 months', 'seathive' ),
			),
			'1y'       => array(
				'name'  => __( '1 Year', 'seathive' ),
				'price' => '$79',
				'per'   => __( '365 days · 1 website', 'seathive' ),
				'note'  => __( 'Only $6.58 per month — save 49%.', 'seathive' ),
				'cta'   => __( 'Buy 1 year', 'seathive' ),
				'hot'   => __( 'Best value', 'seathive' ),
			),
			'agency'   => array(
				'name'  => __( 'Agency', 'seathive' ),
				'price' => '$149',
				'per'   => __( '365 days · 5 websites', 'seathive' ),
				'note'  => __( 'For agencies and organisers with several sites.', 'seathive' ),
				'cta'   => __( 'Buy Agency', 'seathive' ),
			),
			'lifetime' => array(
				'name'  => __( 'Lifetime', 'seathive' ),
				'price' => '$249',
				'per'   => __( 'one-time · 1 website', 'seathive' ),
				'note'  => __( 'Pay once. Limited to the first 100 buyers.', 'seathive' ),
				'cta'   => __( 'Buy Lifetime', 'seathive' ),
				'hot'   => __( 'Limited', 'seathive' ),
			),
		);
	}

	/** Small inline seat-map illustration used as the add-on's artwork. */
	public static function seatmap_art() {
		$o = '<svg class="esm-ao-art" viewBox="0 0 240 150" role="img" aria-label="' . esc_attr__( 'Seat map', 'seathive' ) . '">';
		$o .= '<rect x="0" y="0" width="240" height="150" rx="14" fill="#eef8fb"/>';
		$o .= '<rect x="70" y="12" width="100" height="16" rx="4" fill="#0991b4"/><text x="120" y="23.5" font-size="9" font-weight="700" fill="#fff" text-anchor="middle" font-family="Arial,sans-serif">STAGE</text>';
		$rows = array( array( 9, '#e05252' ), array( 11, '#e05252' ), array( 13, '#0991b4' ), array( 13, '#0991b4' ), array( 15, '#0991b4' ), array( 15, '#7fc7da' ) );
		$y    = 46;
		foreach ( $rows as $i => $r ) {
			$n  = $r[0];
			$gap = 13;
			$x0 = 120 - ( $n - 1 ) * $gap / 2;
			for ( $s = 0; $s < $n; $s++ ) {
				$c = ( 2 === $i && 5 === $s ) || ( 3 === $i && in_array( $s, array( 6, 7 ), true ) ) ? '#e6c34a' : $r[1];
				if ( ( 4 === $i && $s < 3 ) || ( 1 === $i && 9 === $s ) ) {
					$c = '#cfd6da';
				}
				$o .= '<rect x="' . ( $x0 + $s * $gap - 4.5 ) . '" y="' . ( $y - 4.5 ) . '" width="9" height="9" rx="2.5" fill="' . $c . '"/>';
			}
			$y += 16;
		}
		$o .= '</svg>';
		return $o;
	}

	public function render_addons_page() {
		if ( ! current_user_can( 'manage_options' ) ) {
			return;
		}
		/**
		 * The Seating Map add-on reports its own state here when it is
		 * installed: array( 'installed' => true, 'active' => bool,
		 * 'label' => string, 'manage_url' => string ).
		 */
		$state     = (array) apply_filters( 'seatt_addon_seatmap_status', array() );
		$installed = ! empty( $state['installed'] );
		$active    = $installed && ! empty( $state['active'] );
		$account   = 'https://seatwp.com/account/';
		$logo      = SEATT_PLUGIN_URL . 'assets/seatwp-icon.svg';
		?>
		<div class="wrap esm-ao">
			<h1 class="esm-ao-title"><img src="<?php echo esc_url( $logo ); ?>" alt="" width="30" height="30" /> <?php esc_html_e( 'SeatHive Add-ons', 'seathive' ); ?></h1>
			<p class="esm-ao-lead"><?php esc_html_e( 'SeatHive is free: ticket types, checkout, QR e-tickets, PDF tickets and check-in all work without a license. Add-ons add extra features when you need them.', 'seathive' ); ?></p>

			<section class="esm-ao-card">
				<div class="esm-ao-hero">
					<div class="esm-ao-media">
						<?php echo wp_kses( self::seatmap_art(), seatt_svg_allowed() ); ?>
						<span class="esm-ao-badge"><img src="<?php echo esc_url( $logo ); ?>" alt="" width="18" height="18" /> SeatWP</span>
					</div>
					<div class="esm-ao-info">
						<div class="esm-ao-kicker"><?php esc_html_e( 'Add-on', 'seathive' ); ?>
							<?php if ( $active ) : ?>
								<span class="esm-ao-pill is-on"><?php esc_html_e( 'Active', 'seathive' ); ?></span>
							<?php elseif ( $installed ) : ?>
								<span class="esm-ao-pill is-warn"><?php esc_html_e( 'Installed — license needed', 'seathive' ); ?></span>
							<?php endif; ?>
						</div>
						<h2><?php esc_html_e( 'Seating Map', 'seathive' ); ?></h2>
						<p><?php esc_html_e( 'Let buyers pick their own seats on an interactive map of your venue — on phone, tablet and desktop.', 'seathive' ); ?></p>
						<ul class="esm-ao-feats">
							<li><?php esc_html_e( 'Drag-and-drop Chart Builder: rows, tables, sections, standing zones, stage and icons', 'seathive' ); ?></li>
							<li><?php esc_html_e( 'Seat categories with their own prices and colours (VIP, Regular…)', 'seathive' ); ?></li>
							<li><?php esc_html_e( 'Ready-made layouts plus the online premium template library', 'seathive' ); ?></li>
							<li><?php esc_html_e( 'Live seat holds, so two buyers never get the same seat', 'seathive' ); ?></li>
							<li><?php esc_html_e( 'Seat number printed on every QR e-ticket and shown at check-in', 'seathive' ); ?></li>
						</ul>
						<?php if ( $installed && ! empty( $state['manage_url'] ) ) : ?>
							<p class="esm-ao-state"><?php echo esc_html( (string) ( $state['label'] ?? '' ) ); ?>
								<a class="button <?php echo $active ? '' : 'button-primary'; ?>" href="<?php echo esc_url( $state['manage_url'] ); ?>"><?php echo $active ? esc_html__( 'Manage license', 'seathive' ) : esc_html__( 'Enter license key', 'seathive' ); ?></a>
								<?php if ( $active ) : ?><a class="button button-primary" href="<?php echo esc_url( admin_url( 'admin.php?page=seatt-builder' ) ); ?>"><?php esc_html_e( 'Open Chart Builder', 'seathive' ); ?></a><?php endif; ?>
							</p>
						<?php endif; ?>
					</div>
				</div>

				<?php if ( ! $active ) : ?>
				<h3 class="esm-ao-h3"><?php esc_html_e( 'Choose a plan on seatwp.com', 'seathive' ); ?></h3>
				<div class="esm-ao-plans">
					<?php foreach ( self::seatmap_plans() as $key => $p ) : ?>
						<a class="esm-ao-plan<?php echo empty( $p['hot'] ) ? '' : ' is-hot'; ?>" href="<?php echo esc_url( add_query_arg( 'checkout', $key, $account ) ); ?>" target="_blank" rel="noopener">
							<?php if ( ! empty( $p['hot'] ) ) : ?><span class="esm-ao-hot"><?php echo esc_html( $p['hot'] ); ?></span><?php endif; ?>
							<span class="esm-ao-pname"><?php echo esc_html( $p['name'] ); ?></span>
							<span class="esm-ao-price"><?php echo esc_html( $p['price'] ); ?> <small><?php echo esc_html( $p['per'] ); ?></small></span>
							<span class="esm-ao-pnote"><?php echo esc_html( $p['note'] ); ?></span>
							<span class="esm-ao-cta"><?php echo esc_html( $p['cta'] ); ?> &rarr;</span>
						</a>
					<?php endforeach; ?>
				</div>

				<ol class="esm-ao-steps">
					<li><b>1</b><span><strong><?php esc_html_e( 'Create your SeatWP account', 'seathive' ); ?></strong><?php esc_html_e( 'Sign up on seatwp.com with email or Google and pick a plan.', 'seathive' ); ?></span></li>
					<li><b>2</b><span><strong><?php esc_html_e( 'Download the add-on', 'seathive' ); ?></strong><?php esc_html_e( 'Your account shows the license key and the "SeatWP Seating Map" plugin zip.', 'seathive' ); ?></span></li>
					<li><b>3</b><span><strong><?php esc_html_e( 'Install and activate', 'seathive' ); ?></strong><?php esc_html_e( 'Plugins → Add New → Upload, then paste your license key. The Chart Builder appears in this menu.', 'seathive' ); ?></span></li>
				</ol>
				<p class="esm-ao-foot">
					<a class="button button-primary button-hero" href="<?php echo esc_url( $account ); ?>" target="_blank" rel="noopener"><?php esc_html_e( 'Open my SeatWP account', 'seathive' ); ?></a>
					<span><?php esc_html_e( 'Prices in USD. Paid securely with PayPal. Your tickets keep selling even if a plan ends — only the Chart Builder is hidden until you renew.', 'seathive' ); ?></span>
				</p>
				<?php endif; ?>
			</section>
		</div>
		<?php
	}
}