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

/**
 * Admin class — registers menu, enqueues assets, renders dashboard.
 */
class APD_Admin {

	public function __construct() {
		add_action( 'admin_menu', array( $this, 'register_menu' ) );
		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_assets' ) );
	}

	/**
	 * Register top-level admin menu.
	 */
	public function register_menu() {
		add_menu_page(
			__( 'Deposit Settings', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
			__( 'Deposits', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
			'manage_woocommerce',
			'apd-deposits',
			array( $this, 'render_dashboard' ),
			'dashicons-money-alt',
			56
		);
	}

	/**
	 * Enqueue admin assets.
	 */
	public function enqueue_assets( $hook ) {
		// Dashboard page
		if ( 'toplevel_page_apd-deposits' === $hook ) {
			wp_enqueue_style(
				'apd-admin',
				APD_PLUGIN_URL . 'admin/css/apd-admin.css',
				array(),
				APD_VERSION
			);
			wp_enqueue_script(
				'apd-admin',
				APD_PLUGIN_URL . 'admin/js/apd-admin.js',
				array( 'jquery', 'wp-util', 'wp-i18n' ),
				APD_VERSION,
				true
			);
			$this->localize_admin_script( 'apd-admin' );
			wp_add_inline_style( 'apd-admin', $this->get_notice_visibility_css() );
		}

		// Product edit page
		$screen = get_current_screen();
		if ( $screen && $screen->id === 'product' ) {
			wp_enqueue_style( 'apd-admin-product', APD_PLUGIN_URL . 'admin/css/apd-admin.css', array(), APD_VERSION );
			wp_enqueue_script( 'apd-admin-product', APD_PLUGIN_URL . 'admin/js/apd-admin.js', array( 'jquery', 'wp-i18n' ), APD_VERSION, true );
			$this->localize_admin_script( 'apd-admin-product' );
		}

		// Order edit page, where the Deposit Payment Record metabox lives. Without this the
		// Record Payment button has no handler and no nonce, so it silently does nothing.
		if ( $screen && in_array( $screen->id, $this->get_order_screen_ids(), true ) ) {
			wp_enqueue_style( 'apd-admin-order', APD_PLUGIN_URL . 'admin/css/apd-admin.css', array(), APD_VERSION );
			// Versioned by file time too: the order controls change within a release, and a
			// cached copy under the same ?ver= would leave their buttons without a handler.
			$script_version = APD_VERSION . '.' . (int) filemtime( APD_PLUGIN_DIR . 'admin/js/apd-admin.js' );
			wp_enqueue_script( 'apd-admin-order', APD_PLUGIN_URL . 'admin/js/apd-admin.js', array( 'jquery', 'wp-i18n' ), $script_version, true );
			$this->localize_admin_script( 'apd-admin-order' );
		}
	}

	/**
	 * Screen ids the order edit page can appear under.
	 *
	 * HPOS moves orders to their own admin page, so the screen id differs per store, and a
	 * store can switch between the two. Both are listed rather than resolved, so the assets
	 * follow the metabox wherever WooCommerce puts it.
	 *
	 * @return string[]
	 */
	private function get_order_screen_ids() {
		$ids = array( 'shop_order' );

		if ( function_exists( 'wc_get_page_screen_id' ) ) {
			$ids[] = wc_get_page_screen_id( 'shop-order' );
		}

		return array_filter( array_unique( $ids ) );
	}

	/**
	 * Attach the shared data object and the JS translations to an admin script handle.
	 *
	 * Both admin handles load the same apd-admin.js, so both need `apd_admin` and both
	 * need their own wp_set_script_translations() call — script translations are keyed
	 * by handle, not by file.
	 *
	 * @param string $handle Registered script handle.
	 */
	private function localize_admin_script( $handle ) {
		wp_localize_script(
			$handle,
			'apd_admin',
			array(
				'ajax_url' => admin_url( 'admin-ajax.php' ),
				'nonce'    => wp_create_nonce( 'apd_admin_nonce' ),
				'strings'  => array(
					'saving'  => __( 'Saving...', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
					'saved'   => __( 'Settings saved successfully!', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
					'error'   => __( 'Error saving settings. Please try again.', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
					'confirm' => __( 'Are you sure?', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				),
			)
		);

		wp_set_script_translations(
			$handle,
			'advanced-partial-payment-or-deposit-for-woocommerce',
			APD_PLUGIN_DIR . 'languages'
		);
	}

	/**
	 * Hide unrelated admin notices on the Deposits dashboard only.
	 *
	 * Global WordPress/plugin notices remain visible everywhere else in wp-admin.
	 *
	 * @return string
	 */
	private function get_notice_visibility_css() {
		return '
body.toplevel_page_apd-deposits #wpbody-content > .notice:not(.apd-admin-notice):not(.apd-keep-admin-notice),
body.toplevel_page_apd-deposits #wpbody-content > .update-nag:not(.apd-admin-notice):not(.apd-keep-admin-notice),
body.toplevel_page_apd-deposits #wpbody-content > .updated:not(.apd-admin-notice):not(.apd-keep-admin-notice),
body.toplevel_page_apd-deposits #wpbody-content > .error:not(.apd-admin-notice):not(.apd-keep-admin-notice),
body.toplevel_page_apd-deposits #wpbody-content > .is-dismissible:not(.apd-admin-notice):not(.apd-keep-admin-notice) {
    display: none !important;
}

body.toplevel_page_apd-deposits .apd-dashboard {
    margin-top: 18px;
}
';
	}

	/**
	 * Render the dashboard.
	 */
	public function render_dashboard() {
		include APD_PLUGIN_DIR . 'admin/views/dashboard.php';
	}

	/**
	 * Get dashboard tabs (free + pro placeholders).
	 */
	public static function get_tabs() {
		$tabs = array(
			'general'    => array(
				'label' => __( 'General', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-admin-settings',
				'pro'   => false,
			),
			'labels'     => array(
				'label' => __( 'Labels', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-tag',
				'pro'   => false,
			),
			'products'   => array(
				'label' => __( 'Products', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-products',
				'pro'   => false,
			),
			'categories' => array(
				'label' => __( 'Categories', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-category',
				'pro'   => false,
			),
			'emails'     => array(
				'label' => __( 'Emails', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-email-alt',
				'pro'   => false,
			),
		);

		// Pro tabs (shown as locked if pro not active)
		$pro_tabs = array(
			'checkout-mode'     => array(
				'label' => __( 'Checkout Mode', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-cart',
				'pro'   => true,
			),
			'allocation'        => array(
				'label' => __( 'Allocation', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-chart-pie',
				'pro'   => true,
			),
			'auto-charge'       => array(
				'label' => __( 'Auto Charge', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-update',
				'pro'   => true,
			),
			'partial-payments'  => array(
				'label' => __( 'Flexible Payments', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-money-alt',
				'pro'   => true,
			),
			'payment-plans'     => array(
				'label' => __( 'Payment Plans', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-calendar-alt',
				'pro'   => true,
			),
			'min-max'           => array(
				'label' => __( 'Min / Max', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-arrow-up-alt',
				'pro'   => true,
			),
			'gateway-rules'     => array(
				'label' => __( 'Gateway Rules', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-shield',
				'pro'   => true,
			),
			'reminders'         => array(
				'label' => __( 'Reminders', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-bell',
				'pro'   => true,
			),
			'reports'           => array(
				'label' => __( 'Reports', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-chart-bar',
				'pro'   => true,
			),
			'conditional-rules' => array(
				'label' => __( 'Conditional Rules', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-randomize',
				'pro'   => true,
			),
			'license'           => array(
				'label' => __( 'License', 'advanced-partial-payment-or-deposit-for-woocommerce' ),
				'icon'  => 'dashicons-admin-network',
				'pro'   => true,
			),
		);

		$tabs = array_merge( $tabs, $pro_tabs );

		return apply_filters( 'apd_admin_tabs', $tabs );
	}
}