<?php

class Password_Protected_Admin {

	var $settings_page_id;
	var $options_group = 'password-protected';
	var $setting_tabs = array();

	/**
	 * Constructor
	 */
	public function __construct() {
		global $wp_version;
		add_action( 'admin_init', array( $this, 'password_protected_register_setting_tabs' ) );
		add_action( 'admin_init', array( $this, 'password_protected_settings' ), 5 );
		add_action( 'admin_init', array( $this, 'add_privacy_policy' ) );
		add_action( 'admin_menu', array( $this, 'admin_menu' ) );
		add_action( 'password_protected_help_tabs', array( $this, 'help_tabs' ), 5 );
		add_action( 'admin_notices', array( $this, 'password_protected_admin_notices' ) );
		add_filter( 'plugin_row_meta', array( $this, 'plugin_row_meta' ), 10, 4 );
		add_filter( 'plugin_action_links_password-protected/password-protected.php', array( $this, 'plugin_action_links' ) );
		add_filter( 'pre_update_option_password_protected_password', array( $this, 'pre_update_option_password_protected_password' ), 10, 2 );
        add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );
        add_action( 'init', array( $this, 'init' ) );
	}

	/**
	 * Password protected setting tabs
	 * customizable using filter hook
	 */
	public function password_protected_register_setting_tabs() {
		$this->setting_tabs = array(
			'general' 	=> 'General',
			'advanced' 	=> 'Advanced',
		);

		$this->setting_tabs = apply_filters( 'password_protected_setting_tabs', $this->setting_tabs );

        $this->setting_tabs['help']   = 'Help';
        $this->setting_tabs['getpro'] = 'Get Pro';
		if( $this->password_protected_pro_is_installed_and_activated() )
			unset( $this->setting_tabs['getpro'] );
	}

	/**
     * Admin enqueue scripts.
     *
	 * @param string $hooks Page Hook.
	 */
	public function admin_enqueue_scripts( $hooks ) {
		
	    if ( 'settings_page_password-protected' === $hooks || 'toplevel_page_password-protected' === $hooks ) {
	        wp_enqueue_style( 'password-protected-page-script', PASSWORD_PROTECTED_URL . 'assets/css/admin.css', array(), '2.6.2' );
	        wp_enqueue_script( 'password-protected-admin-script', PASSWORD_PROTECTED_URL . 'assets/js/admin.js', array('jquery'), '2.6.2' );
        }
    }

    public function init() {
        if ( isset( $_GET['page'] ) && 'password-protected-get-pro' === $_GET['page'] ) {
            wp_redirect( 'https://passwordprotectedwp.com/pricing/?utm_source=Plugin&utm_medium=Submenu' );
            exit;
        }
    }

	/**
	 * Add Privacy Policy
	 */
	public function add_privacy_policy() {

		if ( ! function_exists( 'wp_add_privacy_policy_content' ) ) {
			return 1;
		}

		$content = _x( 'The Password Protected plugin stores a cookie on successful password login containing a hashed version of the entered password. It does not store any information about the user. The cookie stored is named <code>bid_n_password_protected_auth</code> where <code>n</code> is the blog ID in a multisite network', 'privacy policy content', 'password-protected' );

		wp_add_privacy_policy_content( __( 'Password Protected Plugin', 'password-protected' ), wp_kses_post( wpautop( $content, false ) ) );

	}

	/**
	 * Admin Menu
	 */
	public function admin_menu() {
	
		$capability             = apply_filters( 'password_protected_options_page_capability', 'manage_options' );
		$this->settings_page_id = add_options_page(
            __( 'Password Protected', 'password-protected' ),
            __( 'Password Protected', 'password-protected' ),
            $capability,
            'password-protected',
            array(
                $this,
                'settings_page'
		    )
        );
		add_menu_page(
			'Password Protected',
			'Password Protected',
			'manage_options',
			'password-protected',
			array( $this, 'pp_admin_menu_page_callback' ),
			'dashicons-lock',
			99
		);
		add_action( 'load-' . $this->settings_page_id, array( $this, 'add_help_tabs' ), 20 );


        if ( ! class_exists( 'Password_Protected_Pro' ) ) {
            add_submenu_page(
                'password-protected',
	            __( 'Get Pro', 'password-protected' ),
	            __( '↳ ⭐ Get Pro', 'password-protected' ),
                'manage_options',
                'password-protected-get-pro',
                array( $this, 'password_protected_get_pro_features' )
            );
        }
	}

	/**
	 * Settings Page
	 */
	public function settings_page() {
		?>

		<div class="wrap">
			<div id="icon-options-general" class="icon32"><br /></div>
			<h2><?php _e( 'Password Protected Settings', 'password-protected' ) ?></h2>
			<form method="post" action="options.php">
				<?php
				settings_fields( 'password-protected' );
				do_settings_sections( 'password-protected' );
				?>
				<p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="<?php _e( 'Save Changes' ) ?>"></p>
			</form>
            <?php do_settings_sections( 'password-protected-login-designer' ); ?>

			<div id="help-notice">
				<?php do_settings_sections( 'password-protected-compat' ); ?>
            </div>
		</div>

		<?php
	}

	/** @since 2.6
	 * Admin Menu Settings Page
	 */
	public function pp_admin_menu_page_callback() {
		$tab = ( isset( $_GET['tab'] ) AND sanitize_text_field( $_GET['page'] ) == 'password-protected' ) ? sanitize_text_field( $_GET['tab'] ) : 'general';
		?>
		<div class="wrap">
			<div class="wrap-row">
				<div class="wrap-col-70">
                    <h2 class="nav-tab-wrapper">
						<?php foreach( $this->setting_tabs as $index => $setting_tab ) : ?>
                            <a href="?page=password-protected&tab=<?php echo $index; ?>" class="nav-tab <?php echo esc_attr( $index ); ?> <?php echo ( $tab == $index ) ? 'nav-tab-active' : '' ?> ">
								<?php echo sprintf(__('%s', 'password-protected'), $setting_tab); ?>
                            </a>
						<?php endforeach; ?>
                    </h2>
					<?php
						settings_fields( 'password-protected' );
						?>
						<?php settings_errors(); ?>
						<?php $this->password_protected_render_tab_content( $tab ); ?>
				</div>
				<div id="pp-sidebar" class="wrap-col-25">
					<?php
                    $_tab = '';
                    if ( isset( $_GET['tab'] ) ) {
                        $_tab = sanitize_text_field( wp_unslash( $_GET['tab'] ) );
                    }
                    if ( 'getpro' !== $_tab ) :
						do_settings_sections( 'password-protected-try-pro' );
						do_settings_sections( 'password-protected-login-designer' );
						do_action('password_protected_sidebar');
                    endif;
					?>
				</div>
			</div>
		</div>
		<?php
	}

	/**
	 * password protected render settings page in menu
	 */
	public function password_protected_render_tab_content( $tab ) {
		switch( $tab ) {
			case 'general':
				do_settings_sections( 'password-protected-help' );
				echo '<form method="post" action="options.php">';
				settings_fields( 'password-protected' );
				do_settings_sections( 'password-protected' );
				submit_button();
				echo '</form>';
			break;

			case 'advanced':
				echo '<form method="post" action="options.php">';
				settings_fields( 'password-protected-advanced' );
				do_action( 'password_protected_advanced_tab_content' );
				do_settings_fields( 'password-protected&tab=advanced', 'password-protected-advanced' );
				do_settings_sections( 'password-protected-advanced-tab' );
				Password_Protected_reCAPTCHA::recpatcha_screen();

                do_action( 'password_protected_after_google_recaptcha' );

                submit_button();
				echo '</form>';
			break;

			case 'help':
				?>
					<div id="help-notice">
						<?php do_settings_sections( 'password-protected-compat' ); ?>
					</div>
				<?php
			break;

			case 'getpro':
				$this->password_protected_get_pro_features();
			break;

			case $tab;
				do_action( 'password_protected_tab_'.$tab.'_content' );
			break;

			default:
				echo "Something went wrong! Please contact support.";
			break;
		}
	}

	/**
	 * Add Help Tabs
	 */
	public function add_help_tabs() {

		global $wp_version;

		if ( version_compare( $wp_version, '3.3', '<' ) ) {
			return 1;
		}

		do_action( 'password_protected_help_tabs', get_current_screen() );

	}

	/**
	 * Help Tabs
	 *
	 * @param  object  $current_screen  Screen object.
	 */
	public function help_tabs( $current_screen ) {

		$current_screen->add_help_tab( array(
			'id'      => 'PASSWORD_PROTECTED_SETTINGS',
			'title'   => __( 'Password Protected', 'password-protected' ),
			'content' => __( '<p><strong>Password Protected Status</strong><br />Turn on/off password protection.</p>', 'password-protected' )
				. __( '<p><strong>Protected Permissions</strong><br />Allow access for logged in users and administrators without needing to enter a password. You will need to enable this option if you want administrators to be able to preview the site in the Theme Customizer. Also allow RSS Feeds to be accessed when the site is password protected.</p>', 'password-protected' )
				. __( '<p><strong>Password Fields</strong><br />To set a new password, enter it into both fields. You cannot set an `empty` password. To disable password protection uncheck the Enabled checkbox.</p>', 'password-protected' )
		) );

	}

	/**
	 * Settings API
	 */
	public function password_protected_settings() {
		// general tab
		add_settings_section(
			'password_protected',
			'',
			array( $this, 'password_protected_settings_section' ),
			$this->options_group
		);

		add_settings_field(
			'password_protected_status',
			__( 'Password Protected Status', 'password-protected' ),
			array( $this, 'password_protected_status_field' ),
			$this->options_group,
			'password_protected'
		);

		add_settings_field(
			'password_protected_permissions',
			__( 'Protected Permissions', 'password-protected' ),
			array( $this, 'password_protected_permissions_field' ),
			$this->options_group,
			'password_protected'
		);

		add_settings_field(
			'password_protected_password',
			__( 'New Password', 'password-protected' ),
			array( $this, 'password_protected_password_field' ),
			$this->options_group,
			'password_protected'
		);

		add_settings_field(
			'password_protected_allowed_ip_addresses',
			__( 'Allow IP Addresses', 'password-protected' ),
			array( $this, 'password_protected_allowed_ip_addresses_field' ),
			$this->options_group,
			'password_protected'
		);

		add_settings_field(
			'password_protected_remember_me',
			__( 'Allow Remember me', 'password-protected' ),
			array( $this, 'password_protected_remember_me_field' ),
			$this->options_group,
			'password_protected'
		);

		add_settings_field(
			'password_protected_remember_me_lifetime',
			__( 'Remember for this many days', 'password-protected' ),
			array( $this, 'password_protected_remember_me_lifetime_field' ),
			$this->options_group,
			'password_protected'
		);

		// password protected advanced tab
		add_settings_section(
            'password-protected-advanced-tab',
            'Password Protected Page description',
            array( $this, 'password_protected_page_description' ),
            'password-protected&tab=advanced'
        );
		
		add_settings_field(
			'text-above-password',
			__( 'Text Above Password Field', 'password-protected' ),
			array( $this, 'password_protected_text_above_password' ),
			'password-protected&tab=advanced',
			'password-protected-advanced-tab'
		);
		
		add_settings_field(
			'text-below-password',
			__( 'Text Below Password Field ', 'password-protected' ),
			array( $this, 'password_protected_text_below_password' ),
			'password-protected&tab=advanced',
			'password-protected-advanced-tab'
		);

		add_settings_field(
            'password-protected-use-transient',
            __( 'Use Transients', 'password-protected' ),
            array( $this, 'password_protected_use_transient' ),
			'password-protected&tab=advanced',
			'password-protected-advanced-tab',
            array(
                'label_for' => 'password-protected-use-transient',
            )
        );

		// password protected help tab
		add_settings_section(
            'password-protected-help',
            '',
            array( $this, 'password_protected_help_tab' ),
            'password-protected-help'
        );


		// sidebar login designer compatibity
		if( !$this->login_designer_is_installed_and_activated() ) {
			add_settings_section(
				'password-protected-login-designer',
				'',
				array( $this, 'login_designer_message' ),
				'password-protected-login-designer'
			);
		}
		
		if( !$this->password_protected_pro_is_installed_and_activated() ) {
			add_settings_section(
				'password-protected-try-pro',
				'',
				array( $this, 'password_protected_try_pro' ),
				'password-protected-try-pro'
			);
		}

		// registering settings
		register_setting( $this->options_group, 'password_protected_status', 'intval' );
		register_setting( $this->options_group, 'password_protected_feeds', 'intval' );
		register_setting( $this->options_group, 'password_protected_rest', 'intval' );
		register_setting( $this->options_group, 'password_protected_administrators', 'intval' );
		register_setting( $this->options_group, 'password_protected_users', 'intval' );
		register_setting( $this->options_group, 'password_protected_password', array( $this, 'sanitize_password_protected_password' ) );
		register_setting( $this->options_group, 'password_protected_allowed_ip_addresses', array( $this, 'sanitize_ip_addresses' ) );
		register_setting( $this->options_group, 'password_protected_remember_me', 'boolval' );
		register_setting( $this->options_group, 'password_protected_remember_me_lifetime', 'intval' );
        register_setting( $this->options_group . '-advanced', 'password_protected_use_transient' );
		register_setting( $this->options_group.'-advanced', 'password_protected_text_above_password', array( 'type' => 'string' ) );
		register_setting( $this->options_group.'-advanced', 'password_protected_text_below_password', array( 'type' => 'string' ) );

	}

	/**
	 * Login Designer Message
	 */
	public function login_designer_message(){
		$image = plugin_dir_url( __DIR__ ) . "assets/images/login-designer-demo.gif";
		echo '<div id="pp-sidebar-box">
				<h3>
					🎨' . esc_attr__( 'Now you can customize your Password Protected screen with the', 'password-protected' ) . ' <a href="'. admin_url( '/plugin-install.php?s=login%2520designer&tab=search&type=term' ) .'">Login Designer plugin</a>🌈
				</h3>
					<img draggable="false" role="img" class="image" src=" ' . esc_attr($image) . ' ">
					<h3><a href="'. admin_url( '/plugin-install.php?s=login%2520designer&tab=search&type=term' ) .'" class="pp-try button-primary">' . esc_attr__( '👉 Try it now! It\'s Free.', 'password-protected' ) . '</a></h3>
				
			</div>';
	}

	/**
	 * Sanitize Password Field Input
	 *
	 * @param   string  $val  Password.
	 * @return  string        Sanitized password.
	 */
	public function sanitize_password_protected_password( $val ) {
		
		$old_val = get_option( 'password_protected_password' );

		if ( is_array( $val ) ) {
			if ( empty( $val['new'] ) ) {
				return $old_val;
			} elseif ( empty( $val['confirm'] ) ) {
				add_settings_error( 'password_protected_password', 'password_protected_password', __( 'New password not saved. When setting a new password please enter it in both fields.', 'password-protected' ) );
				return $old_val;
			} elseif ( $val['new'] != $val['confirm'] ) {
				add_settings_error( 'password_protected_password', 'password_protected_password', __( 'New password not saved. Password fields did not match.', 'password-protected' ) );
				return $old_val;
			} elseif ( $val['new'] == $val['confirm'] ) {
				add_settings_error( 'password_protected_password', 'password_protected_password', __( 'New password saved.', 'password-protected' ), 'updated' );
				return $val['new'];
			}
			return get_option( 'password_protected_password' );
		}
		
		
		return $val;

	}

	/**
	 * Sanitize IP Addresses
	 *
	 * @param   string  $val  IP addresses.
	 * @return  string        Sanitized IP addresses.
	 */
	public function sanitize_ip_addresses( $val ) {

		$ip_addresses = explode( "\n", $val );
		$ip_addresses = array_map( 'sanitize_text_field', $ip_addresses );
		$ip_addresses = array_map( 'trim', $ip_addresses );
		$ip_addresses = array_map( array( $this, 'validate_ip_address' ), $ip_addresses );
		$ip_addresses = array_filter( $ip_addresses );

		$val = implode( "\n", $ip_addresses );

		return $val;

	}

	/**
	 * Validate IP Address
	 *
	 * @param   string  $ip_address  IP Address.
	 * @return  string               Validated IP Address.
	 */
	private function validate_ip_address( $ip_address ) {

		return filter_var( $ip_address, FILTER_VALIDATE_IP );

	}

	/**
	 * Password Protected Section
	 */
	public function password_protected_settings_section() {

		return 1;

	}

	/**
	 * Password Protection Status Field
	 */
	public function password_protected_status_field() {

		echo '<label><input name="password_protected_status" id="password_protected_status" type="checkbox" value="1" ' . checked( 1, get_option( 'password_protected_status' ), false ) . ' /> ' . __( 'Enabled', 'password-protected' ) . '</label>';

	}

	/**
	 * Password Protection Permissions Field
	 */
	public function password_protected_permissions_field() {

		echo '<p><label><input name="password_protected_administrators" id="password_protected_administrators" type="checkbox" value="1" ' . checked( 1, get_option( 'password_protected_administrators' ), false ) . ' /> ' . __( 'Allow Administrators', 'password-protected' ) . '</label></p>';
		echo '<p><label><input name="password_protected_users" id="password_protected_users" type="checkbox" value="1" ' . checked( 1, get_option( 'password_protected_users' ), false ) . ' /> ' . __( 'Allow Logged In Users', 'password-protected' ) . '</label></p>';
		echo '<p><label><input name="password_protected_feeds" id="password_protected_feeds" type="checkbox" value="1" ' . checked( 1, get_option( 'password_protected_feeds' ), false ) . ' /> ' . __( 'Allow RSS Feeds', 'password-protected' ) . '</label></p>';
		echo '<p><label><input name="password_protected_rest" id="password_protected_rest" type="checkbox" value="1" ' . checked( 1, get_option( 'password_protected_rest' ), false ) . ' /> ' . __( 'Allow REST API Access', 'password-protected' ) . '</label></p>';

	}

	/**
	 * Password Field
	 */
	public function password_protected_password_field() {

		echo '<input type="password" name="password_protected_password[new]" id="password_protected_password_new" size="16" value="" autocomplete="off"> <p><span class="description">' . __( 'If you would like to change the password, type a new one. Otherwise, leave this blank.', 'password-protected' ) . '</span></p><br>
			<input type="password" name="password_protected_password[confirm]" id="password_protected_password_confirm" size="16" value="" autocomplete="off"> <p><span class="description">' . __( 'Type your new password again.', 'password-protected' ) . '</span></p>';

	}

	/**
	 * Allowed IP Addresses Field
	 */
	public function password_protected_allowed_ip_addresses_field() {
		echo '<textarea name="password_protected_allowed_ip_addresses" id="password_protected_allowed_ip_addresses" rows="3" />' . esc_html( get_option( 'password_protected_allowed_ip_addresses' ) ) . '</textarea>';

		echo '<p class="description">' . esc_html__( 'Enter one IP address per line.', 'password-protected' );
		if ( isset( $_SERVER['REMOTE_ADDR'] ) ) {
			echo ' ' . esc_html( sprintf( __( 'Your IP address is %s.', 'password-protected' ), $_SERVER['REMOTE_ADDR'] ) );
		}
		echo '</p>';

	}

	/**
	 * Remember Me Field
	 */
	public function password_protected_remember_me_field() {

		echo '<label><input name="password_protected_remember_me" id="password_protected_remember_me" type="checkbox" value="1" ' . checked( 1, get_option( 'password_protected_remember_me' ), false ) . ' /></label>';

	}

	/**
	 * Remember Me lifetime field
	 */
	public function password_protected_remember_me_lifetime_field() {

		echo '<label><input name="password_protected_remember_me_lifetime" id="password_protected_remember_me_lifetime" min="1" type="number" value="' . get_option( 'password_protected_remember_me_lifetime', 14 ) . '" /></label>';

	}

	/**
	 * Password Protected Page description 
	 */
	public function password_protected_page_description() {
		return 1;
	}

	/**
	 * Password Protected text above passsword
	 */
	public function password_protected_text_above_password() {
		echo '<label><textarea id="password_protected_text_above_password" name="password_protected_text_above_password" rows="4" cols="50" class="regular-text">' . esc_attr( get_option('password_protected_text_above_password') ) . '</textarea></label>';
	}

	/**
	 * Password Protected below above passsword
	 */
	public function password_protected_text_below_password() {
		echo '<label><textarea id="password_protected_text_below_password" name="password_protected_text_below_password" rows="4" cols="50" class="regular-text">' . esc_attr( get_option('password_protected_text_below_password') ) . '</textarea></label>';
	}

    public function password_protected_use_transient() {
        $use_transient = get_option( 'password_protected_use_transient', false );
        $checked       = empty( $use_transient ) ? '' : 'checked="checked"';
        echo '<lable for="password-protected-use-transient"><input ' . esc_attr( $checked ) . ' type="checkbox" name="password_protected_use_transient" value="1" id="password-protected-use-transient" /> ' . esc_attr__( 'This option will save your passwords in transients for your IP instead of cookies. Only use it if you face any cache-related issues on your site.', 'password-protected' ) . '</lable>';
    }

	/**
	 * Help Tab text field
	 */
	public function password_protected_help_tab() {
		echo '<p>' . __( 'Password protect your web site. Users will be asked to enter a password to view the site.', 'password-protected' ) . '<br />
			' . __( 'For more information about Password Protected settings, view the "Help" tab at the top of this page.', 'password-protected' ) . '</p>';
	}

	/**
	 * Try pro sideabr 
	 */
	public function password_protected_try_pro() {
        $image_url = PASSWORD_PROTECTED_URL . 'assets/images/';
        echo '<div class="sidebar-widget">
        <div class="banner-header">
            <h2>Looking For More Options?</h2>
        </div>
        <div class="banner-body">
            <div class="password-protected-feature">
                <img src="' . $image_url . 'ppp-ads-04.png" alt="">
                <div>
                    <a target="_blank" href="' . $this->utm_links_generator( 'post-and-page-protection', 'plugin', 'sidebar' ) . '">Protect Individual Post And Page</a>
                </div>
            </div>
            <div class="password-protected-feature">
                <img src="' . $image_url . 'ppp-ads-05.png" alt="">
                <div>
                    <a target="_blank" href="' . $this->utm_links_generator( 'password-protect-individual-posts/how-to-secure-a-category-or-taxonomy', 'plugin', 'sidebar' ) . '">Protect Specific Categories / Taxonomies</a>
                </div>
            </div>
            <div class="password-protected-feature">
                <img src="' . $image_url . 'ppp-ads-06.png" alt="">
                <div>
                    <a target="_blank" href="' . $this->utm_links_generator( 'pro/exclude-pages-posts-and-post-types', 'plugin', 'sidebar' ) . '">Exclude Specific Pages, Posts And Post Type</a>
                </div>
            </div>
            <div class="password-protected-feature">
                <img src="' . $image_url . 'ppp-ads-07.png" alt="">
                <div>
                    <a target="_blank" href="' . $this->utm_links_generator( 'pro/password-activity-logs', 'plugin', 'sidebar' ) . '">Display Activity Log For Each Password Attempt</a>
                </div>
            </div>
            <div class="password-protected-feature">
                <img src="' . $image_url . 'ppp-ads-08.png" alt="" style="top: 5px">
                <div>
                    <a target="_blank" href="' . $this->utm_links_generator( 'pro/manage-multiple-websites', 'plugin', 'sidebar' ) . '">
                        <div>
                            Multiple Password Management<br>
                            (Activate, Deactivate and Delete Passwords)
                        </div>
                    </a>
                </div>
            </div>
            <div class="password-protected-feature">
                <img src="' . $image_url . 'ppp-ads-09.png" alt="">
                <div>
                    <a target="_blank" href="' . $this->utm_links_generator( 'post-and-page-protection/how-to-secure-all-posts-and-pages', 'plugin', 'sidebar' ) . '">Protect Specific Post Types</a>
                </div>
            </div>
            <!-- <div class="password-protected-feature">
                <img src="' . $image_url . 'ppp-ads-10.png" alt="">
                <div>
                    <a target="_blank" href="' . $this->utm_links_generator( 'pro/exclude-pages-posts-and-post-types', 'plugin', 'sidebar' ) . '">Exclude Specific Pages And Posts</a>
                </div>
            </div> -->
            <div class="password-protected-feature">
                <img src="' . $image_url . 'ppp-ads-11.png" alt="">
                <div>
                    <a target="_blank" href="' . $this->utm_links_generator( 'pro/limit-password-attempts-and-lockdown-time', 'plugin', 'sidebar' ) . '">Limit Password Attempts For A Certain Interval</a>
                </div>
            </div>
            <div class="password-protected-feature">
                <img src="' . $image_url . 'ppp-ads-12.png" alt="">
                <div>
                    <a target="_blank" href="' . $this->utm_links_generator( 'pro/manage-multiple-websites', 'plugin', 'sidebar' ) . '">Set A Password Expiration Date And Usage Limit</a>
                </div>
            </div>
            <div class="password-protected-feature">
                <img src="' . $image_url . 'ppp-ads-13.png" alt="" style="top: 5px;">
                <div>
                    <a target="_blank" href="' . $this->utm_links_generator( 'pro/bypass-password-protection-for-specific-urls', 'plugin', 'sidebar' ) . '">
                        <div>
                            Get A Bypass URL To Access Your<br> WordPress
                            Site Without A Password
                        </div>
                    </a>
                </div>
            </div>
        </div>
        <div class="banner-footer">
            <a href="https://passwordprotectedwp.com/pricing?utm_source=plugin&utm_medium=sidebar" class="banner-button">👉🏻 Get Password Protected Pro</a>
        </div>
    </div>';
	}
	/**
	 * Pre-update 'password_protected_password' Option
	 *
	 * Before the password is saved, MD5 it!
	 * Doing it in this way allows developers to intercept with an earlier filter if they
	 * need to do something with the plaintext password.
	 *
	 * @param   string  $newvalue  New Value.
	 * @param   string  $oldvalue  Old Value.
	 * @return  string             Filtered new value.
	 */
	public function pre_update_option_password_protected_password( $newvalue, $oldvalue ) {

		global $Password_Protected;

		if ( $newvalue != $oldvalue ) {
			$newvalue = $Password_Protected->encrypt_password( $newvalue );
		}

		return $newvalue;

	}

	/**
	 * Plugin Row Meta
	 *
	 * Adds GitHub and translate links below the plugin description on the plugins page.
	 *
	 * @param   array   $plugin_meta  Plugin meta display array.
	 * @param   string  $plugin_file  Plugin reference.
	 * @param   array   $plugin_data  Plugin data.
	 * @param   string  $status       Plugin status.
	 * @return  array                 Plugin meta array.
	 */
	public function plugin_row_meta( $plugin_meta, $plugin_file, $plugin_data, $status ) {

		if ( 'password-protected/password-protected.php' == $plugin_file ) {
			$plugin_meta[] = sprintf( '<a href="%s">%s</a>', __( 'http://github.com/benhuson/password-protected', 'password-protected' ), __( 'GitHub', 'password-protected' ) );
			$plugin_meta[] = sprintf( '<a href="%s">%s</a>', __( 'https://translate.wordpress.org/projects/wp-plugins/password-protected', 'password-protected' ), __( 'Translate', 'password-protected' ) );
		}

		return $plugin_meta;

	}

	/**
	 * Plugin Action Links
	 *
	 * Adds settings link on the plugins page.
	 *
	 * @param   array  $actions  Plugin action links array.
	 * @return  array            Plugin action links array.
	 */
	public function plugin_action_links( $actions ) {

		$actions[] = sprintf( '<a href="%s">%s</a>', admin_url( 'admin.php?page=password-protected' ), __( 'Settings', 'password-protected' ) );
		return $actions;

	}

	/**
	 * Password Admin Notice
	 * Warns the user if they have enabled password protection but not entered a password
	 */
	public function password_protected_admin_notices() {
		global $Password_Protected;

		// Check Support
		$screens = $this->plugin_screen_ids( array( 'dashboard', 'plugins' ) );
		if ( $this->is_current_screen( $screens ) ) {
			$supported = $Password_Protected->is_plugin_supported();
			
			if ( is_wp_error( $supported ) ) {
				echo $this->admin_error_display( $supported->get_error_message( $supported->get_error_code() ) );
			}
		}

		// Settings
		if ( $this->is_current_screen( $this->plugin_screen_ids() ) ) {
			$status = get_option( 'password_protected_status' );
			$pwd = get_option( 'password_protected_password' );
			
			if ( (bool) $status && empty( $pwd ) ) {
				$error_message = __( 'You have enabled password protection but not yet set a password. Please set one below.', 'password-protected' );
				$error = apply_filters( 'password_protected_password_status_activation', $error_message );
				if( !empty( $error ) ) {
					echo $this->admin_error_display( $error );
				}
			}

			if ( current_user_can( 'manage_options' ) && ( (bool) get_option( 'password_protected_administrators' ) || (bool) get_option( 'password_protected_users' ) ) ) {
				if ( (bool) get_option( 'password_protected_administrators' ) && (bool) get_option( 'password_protected_users' ) ) {
					echo $this->admin_error_display( __( 'You have enabled password protection and allowed administrators and logged in users - other users will still need to enter a password to view the site.', 'password-protected' ) );
				} elseif ( (bool) get_option( 'password_protected_administrators' ) ) {
					echo $this->admin_error_display( __( 'You have enabled password protection and allowed administrators - other users will still need to enter a password to view the site.', 'password-protected' ) );
				} elseif ( (bool) get_option( 'password_protected_users' ) ) {
					echo $this->admin_error_display( __( 'You have enabled password protection and allowed logged in users - other users will still need to enter a password to view the site.', 'password-protected' ) );
				}
			}

		}

	}

	/**
	 * Admin Error Display
	 *
	 * Returns a string wrapped in HTML to display an admin error.
	 *
	 * @param   string  $string  Error string.
	 * @return  string           HTML error.
	 */
	private function admin_error_display( $string ) {

		return '<div class="error"><p>' .  $string . '</p></div>';

	}

	/**
	 * Is Current Screen
	 *
	 * Checks wether the admin is displaying a specific screen.
	 *
	 * @param   string|array  $screen_id  Admin screen ID(s).
	 * @return  boolean
	 */
	public function is_current_screen( $screen_id ) {

		if ( function_exists( 'get_current_screen' ) ) {
			$current_screen = get_current_screen();
			if ( ! is_array( $screen_id ) ) {
				$screen_id = array( $screen_id );
			}
			if ( in_array( $current_screen->id, $screen_id ) ) {
				return true;
			}
		}

		return false;

	}

	/**
	 * Plugin Screen IDs
	 *
	 * @param   string|array  $screen_id  Additional screen IDs to add to the returned array.
	 * @return  array                     Screen IDs.
	 */
	public function plugin_screen_ids( $screen_id = '' ) {

		$screen_ids = array( 'options-' . $this->options_group, 'settings_page_' . $this->options_group );
		array_push( $screen_ids, 'toplevel_page_'.$this->options_group );
		if ( ! empty( $screen_id ) ) {
			if ( is_array( $screen_id ) ) {
				$screen_ids = array_merge( $screen_ids, $screen_id );
			} else {
				$screen_ids[] = $screen_id;
			}
		}
		// toplevel_page_password-protected
		return $screen_ids;

	}

	/**
	 * @return  bool
	 * true if login designer is installed and activated otherwise false
	 */
	public function login_designer_is_installed_and_activated(): bool {
		return class_exists( 'Login_Designer' );
	}
	
	/**
	 * @return  bool
	 * true if password protected pro is installed and activated otherwise false
	 */
	public function password_protected_pro_is_installed_and_activated(): bool {
		return class_exists( 'Password_Protected_Pro' );
	}

	/**
	 * @return  void
	 * Display Pro Features
	 */
	public function password_protected_get_pro_features() {
        $image_url = PASSWORD_PROTECTED_URL . 'assets/images/';
		echo '<div class="banner">
        <div class="banner-header">
            <h1>Looking For More Options?</h1>
        </div>
        <div class="banner-body">
            <div class="banner-col-2">
                <div class="password-protected-feature">
                    <img src="' . $image_url . 'ppp-ads-04.png" alt="">
                    <div>
                        <a target="_blank" href="' . $this->utm_links_generator( 'post-and-page-protection' ) . '">Protect Individual Post And Page</a>
                    </div>
                </div>
                <div class="password-protected-feature">
                    <img src="' . $image_url . 'ppp-ads-05.png" alt="">
                    <div>
                        <a target="_blank" href="' . $this->utm_links_generator( 'password-protect-individual-posts/how-to-secure-a-category-or-taxonomy' ) . '">Protect Specific Categories / Taxonomies</a>
                    </div>
                </div>
                <div class="password-protected-feature">
                    <img src="' . $image_url . 'ppp-ads-06.png" alt="">
                    <div>
                        <a target="_blank" href="' . $this->utm_links_generator( 'pro/exclude-pages-posts-and-post-types' ) . '">Exclude Specific Post Type</a>
                    </div>
                </div>
                <div class="password-protected-feature">
                    <img src="' . $image_url . 'ppp-ads-07.png" alt="">
                    <div>
                        <a target="_blank" href="' . $this->utm_links_generator( 'pro/password-activity-logs' ) . '">Display Activity Log For Each Password Attempt</a>
                    </div>
                </div>
                <div class="password-protected-feature">
                    <img src="' . $image_url . 'ppp-ads-08.png" alt="" style="top: 3px">
                    <div>
                        <a target="_blank" href="' . $this->utm_links_generator( 'pro/manage-multiple-websites' ) . '">
                            <div>
                                Multiple Password Management<br>
                                (Activate, Deactivate and Delete Passwords)
                            </div>
                        </a>
                    </div>
                </div>
            </div>
            <div class="banner-col-2">
                <div class="password-protected-feature">
                    <img src="' . $image_url . 'ppp-ads-09.png" alt="">
                    <div>
                        <a target="_blank" href="' . $this->utm_links_generator( 'post-and-page-protection/how-to-secure-all-posts-and-pages' ) . '">Protect Specific Post Types</a>
                    </div>
                </div>
                <div class="password-protected-feature">
                    <img src="' . $image_url . 'ppp-ads-10.png" alt="">
                    <div>
                        <a target="_blank" href="' . $this->utm_links_generator( 'pro/exclude-pages-posts-and-post-types' ) . '">Exclude Specific Pages And Posts</a>
                    </div>
                </div>
                <div class="password-protected-feature">
                    <img src="' . $image_url . 'ppp-ads-11.png" alt="">
                    <div>
                        <a target="_blank" href="' . $this->utm_links_generator( 'pro/limit-password-attempts-and-lockdown-time' ) . '">Limit Password Attempts For A Certain Interval</a>
                    </div>
                </div>
                <div class="password-protected-feature">
                    <img src="' . $image_url . 'ppp-ads-12.png" alt="">
                    <div>
                        <a target="_blank" href="' . $this->utm_links_generator( 'pro/manage-multiple-websites' ) . '">Set A Password Expiration Date And Usage Limit</a>
                    </div>
                </div>
                <div class="password-protected-feature">
                    <img src="' . $image_url . 'ppp-ads-13.png" alt="" style="top:3px;">
                    <div>
                        <a target="_blank" href="' . $this->utm_links_generator( 'pro/bypass-password-protection-for-specific-urls' ) . '">
                            <div>
                                Get A Bypass URL To Access Your WordPress<br>
                                Site Without A Password
                            </div>
                        </a>
                    </div>
                </div>
            </div>
            <div class="clearfix"></div>
        </div>
        <div class="banner-footer">
            <a href="https://passwordprotectedwp.com/pricing?utm_source=plugin&utm_medium=protab" class="banner-button">👉🏻 Get Password Protected Pro</a>
        </div>
    </div>';
	}

    private function utm_links_generator( $page, $source = 'plugin', $utm_medium = 'protab' ) {
        $url  = 'https://passwordprotectedwp.com/documentation/';
        $url .= $page;

        return add_query_arg(
            array(
                'utm_source' => $source,
                'utm_medium' => $utm_medium
            ),
            $url
        );
    }

}