<?php
if ( ! defined( 'ABSPATH' ) ) {
	die( 'You are not allowed to call this page directly.' );
}

class FrmSettingsController {

	/**
	 * Payments sections are removed from the top level and added to a payments section.
	 *
	 * @since 6.22.1
	 *
	 * @var array
	 */
	private static $removed_payments_sections = array();

	/**
	 * @return void
	 */
	public static function menu() {
		// Make sure admins can see the menu items
		FrmAppHelper::force_capability( 'frm_change_settings' );

		add_submenu_page( 'formidable', 'Formidable | ' . __( 'Global Settings', 'formidable' ), __( 'Global Settings', 'formidable' ), 'frm_change_settings', 'formidable-settings', 'FrmSettingsController::route' );
	}

	/**
	 * Include license box template on demand.
	 *
	 * @return void
	 */
	public static function license_box() {
		if ( ! current_user_can( 'activate_plugins' ) ) {
			return;
		}
		include FrmAppHelper::plugin_path() . '/classes/views/frm-settings/license_box.php';
	}

	/**
	 * @param array  $errors
	 * @param string $message
	 *
	 * @return void
	 */
	public static function display_form( $errors = array(), $message = '' ) {
		global $frm_vars;

		$frm_settings = FrmAppHelper::get_settings();

		$uploads     = wp_upload_dir();
		$target_path = $uploads['basedir'] . '/formidable/css';

		$sections = self::get_settings_tabs();
		$current  = FrmAppHelper::simple_get( 't', 'sanitize_title', 'general_settings' );

		if ( in_array( $current, array( 'stripe_settings', 'square_settings', 'authorize_net_settings', 'paypal_settings' ), true ) ) {
			$current = 'payments_settings';
		}

		require FrmAppHelper::plugin_path() . '/classes/views/frm-settings/form.php';
	}

	/**
	 * Get sections to use for Global Settings.
	 *
	 * @return array<array>
	 */
	private static function get_settings_tabs() {
		$sections = array(
			'general'       => array(
				'class'    => self::class,
				'function' => 'general_settings',
				'name'     => __( 'General Settings', 'formidable' ),
				'icon'     => 'frm_icon_font frm_settings_icon',
			),
			'messages'      => array(
				'class'    => self::class,
				'function' => 'message_settings',
				'name'     => __( 'Message Defaults', 'formidable' ),
				'icon'     => 'frm_icon_font frm_stamp_icon',
			),
			'permissions'   => array(
				'class'    => self::class,
				'function' => 'permission_settings',
				'name'     => __( 'Permissions', 'formidable' ),
				'icon'     => 'frm_icon_font frm_lock_icon',
			),
			'payments'      => array(
				'name'     => __( 'Payments', 'formidable' ),
				'icon'     => 'frm_icon_font frm_simple_cc_icon',
				'class'    => self::class,
				'function' => 'payments_settings',
			),
			'custom_css'    => array(
				'class'    => 'FrmStylesController',
				'function' => 'custom_css',
				'name'     => __( 'Custom CSS', 'formidable' ),
				'icon'     => 'frm_icon_font frm_code_icon',
			),
			'manage_styles' => array(
				'class'    => 'FrmStylesController',
				'function' => 'manage',
				'name'     => __( 'Manage Styles', 'formidable' ),
				'icon'     => 'frm_icon_font frm_pallet_icon',
			),
			'captcha'       => array(
				'class'    => self::class,
				'function' => 'captcha_settings',
				'name'     => __( 'Captcha/Spam', 'formidable' ),
				'icon'     => 'frm_icon_font frm_shield_check_icon',
			),
			'email'         => array(
				'class'    => self::class,
				'function' => 'email_settings',
				'name'     => __( 'Email', 'formidable' ),
				'icon'     => 'frm_icon_font frm_email_icon',
			),
			'white_label'   => array(
				'name'       => __( 'White Labeling', 'formidable' ),
				'icon'       => 'frm_icon_font frm_ghost_icon',
				'html_class' => 'frm_show_upgrade_tab frm_noallow',
				'data'       => array(
					'medium'     => 'white-label',
					'upgrade'    => __( 'White labeling options', 'formidable' ),
					'screenshot' => 'white-label.png',
					'learn-more' => FrmAppHelper::get_doc_url( 'features/white-label-form-builder-wordpress', 'white-labeling-global-settings', false ),
				),
			),
			'inbox'         => array(
				'name'       => __( 'Inbox', 'formidable' ),
				'icon'       => 'frm_icon_font frm_email_icon',
				'html_class' => 'frm_show_upgrade_tab frm_noallow',
				'data'       => array(
					'medium'     => 'inbox-settings',
					'upgrade'    => __( 'Inbox settings', 'formidable' ),
					'screenshot' => 'inbox.png',
					'learn-more' => FrmAppHelper::get_doc_url( 'global-settings-overview/#kb-inbox', 'inbox-global-settings' ),
				),
			),
		);

		if ( apply_filters( 'frm_include_addon_page', false ) ) {
			// If no addons need a license, skip this page
			$show_licenses    = false;
			$installed_addons = apply_filters( 'frm_installed_addons', array() );

			foreach ( $installed_addons as $installed_addon ) {
				if ( ! $installed_addon->is_parent_licence && $installed_addon->plugin_name != 'Formidable Pro' && $installed_addon->needs_license ) {
					$show_licenses = true;
					break;
				}
			}

			if ( $show_licenses ) {
				$sections['licenses'] = array(
					'class'    => 'FrmAddonsController',
					'function' => 'license_settings',
					'name'     => __( 'Plugin Licenses', 'formidable' ),
					'icon'     => 'frmfont frm_key_icon',
					'ajax'     => true,
				);
			}
		}//end if

		/**
		 * @param array<array> $sections
		 */
		$sections = apply_filters( 'frm_add_settings_section', $sections );
		self::remove_payments_sections( $sections );

		$sections['misc'] = array(
			'name'     => __( 'Miscellaneous', 'formidable' ),
			'icon'     => 'frm_icon_font frm_shuffle_icon',
			'class'    => self::class,
			'function' => 'misc_settings',
		);

		foreach ( $sections as $key => $section ) {
			$original = $section;
			$defaults = array(
				'html_class' => '',
				'name'       => ucfirst( $key ),
				'icon'       => 'frm_icon_font frm_settings_icon',
				'anchor'     => $key . '_settings',
				'data'       => array(),
			);

			$section = array_merge( $defaults, $section );

			if ( isset( $section['ajax'] ) && ! isset( $section['data']['frmajax'] ) ) {
				$section['data']['frmajax'] = $section['ajax'];
			}

			// For reverse compatibility.
			if ( ! isset( $section['function'] ) && ( ! is_array( $original ) || ! isset( $original['name'] ) ) ) {
				$section['function'] = $original;
			}

			$sections[ $key ] = $section;
		}//end foreach

		return $sections;
	}

	/**
	 * Remove the payments sections (PayPal, Square, Stripe, Authorize.Net)
	 * and show them all on the payments section in separate tabs.
	 *
	 * @since 6.22.1
	 *
	 * @param array $sections
	 *
	 * @return void
	 */
	private static function remove_payments_sections( &$sections ) {
		$payment_section_keys = array( 'paypal', 'square', 'stripe', 'authorize_net' );

		foreach ( $sections as $key => $section ) {
			if ( in_array( $key, $payment_section_keys, true ) ) {
				self::$removed_payments_sections[ $key ] = $section;
				unset( $sections[ $key ] );
			}
		}

		uksort( self::$removed_payments_sections, array( self::class, 'payment_sections_sort_callback' ) );
	}

	/**
	 * Sort the payments sections (PayPal, Square, Stripe, Authorize.Net)
	 *
	 * @since 6.22.1
	 *
	 * @param string $a
	 * @param string $b
	 *
	 * @return int
	 */
	private static function payment_sections_sort_callback( $a, $b ) {
		$order      = array( 'stripe', 'square', 'paypal', 'authorize_net' );
		$first_key  = array_search( $a, $order );
		$second_key = array_search( $b, $order );

		if ( false === $first_key || false === $second_key ) {
			return 0;
		}
		return $first_key - $second_key;
	}

	public static function load_settings_tab() {
		FrmAppHelper::permission_check( 'frm_change_settings' );
		check_ajax_referer( 'frm_ajax', 'nonce' );

		$section  = FrmAppHelper::get_post_param( 'tab', '', 'sanitize_text_field' );
		$sections = self::get_settings_tabs();

		if ( ! isset( $sections[ $section ] ) ) {
			wp_die();
		}

		$section = $sections[ $section ];

		if ( isset( $section['class'] ) ) {
			call_user_func( array( $section['class'], $section['function'] ) );
		} else {
			call_user_func( ( $section['function'] ?? $section ) );
		}
		wp_die();
	}

	/**
	 * Render the general global settings section.
	 *
	 * @since 4.0
	 *
	 * @return void
	 */
	public static function general_settings() {
		$frm_settings = FrmAppHelper::get_settings();
		$uploads      = wp_upload_dir();
		$target_path  = $uploads['basedir'] . '/formidable/css';

		include FrmAppHelper::plugin_path() . '/classes/views/frm-settings/general.php';
	}

	/**
	 * Render the global currency selector if Pro is up to date.
	 *
	 * @param FrmSettings $frm_settings
	 * @param string      $more_html
	 *
	 * @return void
	 */
	public static function maybe_render_currency_selector( $frm_settings, $more_html ) {
		if ( is_callable( 'FrmProSettingsController::add_currency_settings' ) ) {
			FrmProSettingsController::add_currency_settings();
			return;
		}

		$currencies = FrmCurrencyHelper::get_currencies();
		include FrmAppHelper::plugin_path() . '/classes/views/frm-settings/_currency.php';
	}

	/**
	 * @since 4.0
	 *
	 * @return void
	 */
	public static function message_settings() {
		$frm_settings = FrmAppHelper::get_settings();

		include FrmAppHelper::plugin_path() . '/classes/views/frm-settings/messages.php';
	}

	/**
	 * @since 4.0
	 *
	 * @return void
	 */
	public static function captcha_settings() {
		$frm_settings = FrmAppHelper::get_settings();
		$captcha_lang = FrmAppHelper::locales( 'captcha' );

		include FrmAppHelper::plugin_path() . '/classes/views/frm-settings/captcha/captcha.php';
	}

	/**
	 * Shows email settings.
	 *
	 * @since 6.25
	 *
	 * @return void
	 */
	public static function email_settings() {
		$frm_settings = FrmAppHelper::get_settings();

		include FrmAppHelper::plugin_path() . '/classes/views/frm-settings/email/email-styles.php';
	}

	/**
	 * @since 4.0
	 *
	 * @return void
	 */
	public static function permission_settings() {
		$frm_settings = FrmAppHelper::get_settings();
		$frm_roles    = FrmAppHelper::frm_capabilities();

		include FrmAppHelper::plugin_path() . '/classes/views/frm-settings/permissions.php';
	}

	/**
	 * @return void
	 */
	public static function payments_settings() {
		$payment_sections = self::$removed_payments_sections;

		$tab = FrmAppHelper::simple_get( 't', 'sanitize_title', 'general_settings' );

		if ( $tab && in_array( $tab, array( 'stripe_settings', 'square_settings', 'authorize_net_settings', 'paypal_settings' ), true ) ) {
			$tab = str_replace( '_settings', '', $tab );
		} else {
			$tab = 'stripe';
		}

		include FrmAppHelper::plugin_path() . '/classes/views/frm-settings/payments.php';
	}

	/**
	 * @since 4.0
	 *
	 * @return void
	 */
	public static function misc_settings() {
		$frm_settings = FrmAppHelper::get_settings();

		include FrmAppHelper::plugin_path() . '/classes/views/frm-settings/misc.php';
	}

	/**
	 * Save form data submitted from the Global settings page.
	 *
	 * @param bool|string $stop_load
	 *
	 * @return void
	 */
	public static function process_form( $stop_load = false ) {
		global $frm_vars;

		$frm_settings = FrmAppHelper::get_settings();
		$process_form = FrmAppHelper::get_post_param( 'process_form', '', 'sanitize_text_field' );

		if ( ! wp_verify_nonce( $process_form, 'process_form_nonce' ) ) {
			$error_args = array(
				'title'       => __( 'Verification failed', 'formidable' ),
				'body'        => $frm_settings->admin_permission,
				'cancel_text' => __( 'Cancel', 'formidable' ),
			);
			FrmAppController::show_error_modal( $error_args );
			return;
		}

		$errors  = array();
		$message = '';

		if ( empty( $frm_vars['settings_routed'] ) ) {
			$errors = $frm_settings->validate( $_POST, array() );

			$frm_settings->update( wp_unslash( $_POST ) );

			if ( ! $errors ) {
				$frm_settings->store();
				$message = __( 'Settings Saved', 'formidable' );
			}
		} else {
			$message = __( 'Settings Saved', 'formidable' );
		}

		if ( $stop_load === 'stop_load' ) {
			$frm_vars['settings_routed'] = true;
			return;
		}

		self::display_form( $errors, $message );
	}

	/**
	 * Include the Update button on the global settings page.
	 *
	 * @since 4.0.02
	 *
	 * @return void
	 */
	public static function save_button() {
		echo '<input class="button-primary frm-button-primary" type="submit"
			value="' . esc_attr__( 'Update', 'formidable' ) . '"/>';
	}

	/**
	 * @param bool|string $stop_load
	 *
	 * @return void
	 */
	public static function route( $stop_load = false ) {
		$action = isset( $_REQUEST['frm_action'] ) ? 'frm_action' : 'action';
		$action = FrmAppHelper::get_param( $action, '', 'get', 'sanitize_title' );
		FrmAppHelper::include_svg();

		if ( $action === 'process-form' ) {
			self::process_form( $stop_load );
		} elseif ( $stop_load != 'stop_load' ) {
			self::display_form();
		}
	}

	/**
	 * Add CTA to the bottom on the plugin settings pages.
	 *
	 * @since 3.04.02
	 *
	 * @return void
	 */
	public static function settings_cta() {
		if ( get_option( 'frm_lite_settings_upgrade', false ) ) {
			return;
		}

		include FrmAppHelper::plugin_path() . '/classes/views/frm-settings/settings_cta.php';
	}

	/**
	 * Dismiss upgrade notice at the bottom on the plugin settings pages.
	 *
	 * @since 3.04.02
	 */
	public static function settings_cta_dismiss() {
		check_ajax_referer( 'frm_ajax', 'nonce' );
		FrmAppHelper::permission_check( 'frm_change_settings' );

		update_option( 'frm_lite_settings_upgrade', time(), 'no' );

		wp_send_json_success();
	}

	/**
	 * Autocomplete page admin ajax endpoint
	 *
	 * @since 4.03.06
	 */
	public static function page_search() {
		FrmAppHelper::permission_check( 'frm_edit_forms' );
		check_ajax_referer( 'frm_ajax', 'nonce' );

		global $wpdb;

		$term      = FrmAppHelper::get_param( 'term', '', 'get', 'sanitize_text_field' );
		$post_type = FrmAppHelper::get_param( 'post_type', 'page', 'get', 'sanitize_text_field' );

		$where = array(
			'post_status'     => 'publish',
			'post_type'       => $post_type,
			'post_title LIKE' => $term,
		);

		$atts = array(
			'limit'    => 25,
			'order_by' => 'post_title',
		);

		$pages = FrmDb::get_results( $wpdb->posts, $where, 'ID, post_title', $atts );

		$results = array();

		foreach ( $pages as $page ) {
			$results[] = array(
				'value' => $page->ID,
				'label' => $page->post_title,
			);
		}

		wp_send_json( $results );
	}

	/**
	 * Shows a fake color picker.
	 *
	 * @since 6.25
	 *
	 * @param string $color Color value.
	 *
	 * @return void
	 */
	public static function fake_color_picker( $color ) {
		?>
		<div class="wp-picker-container">
			<button type="button" class="button wp-color-result" aria-expanded="false" aria-disabled="true" tabindex="-1" style="background-color:<?php echo esc_attr( $color ); ?>;">
				<span class="wp-color-result-text" style="color:#a7aaad;"><?php esc_html_e( 'Select Color', 'formidable' ); ?></span>
			</button>
		</div>
		<?php
	}
}
