<?php
/**
 * Email Handler Class for WordPress Download Manager Pro
 * Since: v4.6.0
 * Author: Shahjada
 */
namespace WPDM;

class Email {

    function __construct() {

    }

    public static function templates() {
        $admin_email = get_option( 'admin_email' );
        $sitename    = get_option( "blogname" );
        $templates   = array(
            'default' => array(
                'label' => __( "General Email Template" , "download-manager" ),
                'for' => 'varies',
                'default' => array( 'subject' => '[#subject#]',
                    'from_name' => get_option('blogname'),
                    'from_email' => $admin_email,
                    'message' => '[#message#]</b><br/><br/>Best Regards,<br/>Support Team<br/><b><a href="[#homeurl#]">[#sitename#]</a></b>'
                )
            ),
            'user-signup'          => array(
                'label'   => __( "User Signup Notification" , "download-manager" ),
                'for'     => 'customer',
                'default' => array(
                    'subject'    => sprintf( __( "Welcome to %s" , "download-manager" ), $sitename ),
                    'from_name'  => get_option( 'blogname' ),
                    'from_email' => $admin_email,
                    'message'    => '<h3>Welcome to [#sitename#]</h3>Hello [#first_name#],<br/>Thanks for registering to [#sitename#]. For the record, here is your login info again:<br/>Username: [#username#]<br/>Password: [#password#]<br/><b>Login URL: <a href="[#loginurl#]">[#loginurl#]</a></b><br/><br/>Best Regards,<br/>Support Team<br/><b><a href="[#homeurl#]">[#sitename#]</a></b>'
                )
            ),
            'password-reset'       => array(
                'label'   => __( "Password Reset Notification" , "download-manager" ),
                'for'     => 'customer',
                'default' => array(
                    'subject'    => sprintf( __( "Request to reset your %s password" , "download-manager" ), $sitename ),
                    'from_name'  => get_option( 'blogname' ),
                    'from_email' => $admin_email,
                    'message'    => 'You have requested for your password to be reset.<br/>Please confirm by clicking the button below:  <a href="[#reset_password#]">[#reset_password#]</a><br/>No action required if you did not request it.</b><br/><br/>Best Regards,<br/>Support Team<br/><b><a href="[#homeurl#]">[#sitename#]</a></b>'
                )
            ),
            'email-lock'           => array(
                'label'   => __( "Email Lock Notification" , "download-manager" ),
                'for'     => 'customer',
                'default' => array(
                    'subject'    => __( "Download [#package_name#]" , "download-manager" ),
                    'from_name'  => get_option( 'blogname' ),
                    'from_email' => $admin_email,
                    'message'    => 'Thanks for Subscribing to [#sitename#]<br/>Please click on following link to start download:<br/><b><a style="display: block;text-align: center" class="button" href="[#download_url#]">Download</a></b><br/><br/><br/>Best Regards,<br/>Support Team<br/><b>[#sitename#]</b>'
                )
            ),

        );

        $templates = apply_filters( 'wpdm_email_templates', $templates );

        return $templates;

    }

    public static function info( $id ) {
        $templates = self::templates();

        return $templates[ $id ];
    }

    public static function tags() {
        $tags = array(

            "[#support_email#]" => array( 'value' => get_option( 'admin_email' ), 'desc' => 'Support Email' ),
            "[#img_logo#]"     => array( 'value' => '', 'desc' => 'Site Logo' ),
            "[#banner#]"     => array( 'value' => '', 'desc' => 'Banner/Background Image URL' ),
            "[#homeurl#]"       => array( 'value' => home_url( '/' ), 'desc' => 'Home URL of your website' ),
            "[#sitename#]"      => array(
                'value' => get_option( 'blogname' ),
                'desc'  => 'The name/title of your website'
            ),
            "[#site_tagline#]"  => array(
                'value' => get_bloginfo( 'description' ),
                'desc'  => 'The name/title of your website'
            ),
            "[#loginurl#]"      => array( 'value' => wp_login_url(), 'desc' => 'Login page URL' ),
            "[#name#]"          => array( 'value' => '', 'desc' => 'Members First Name' ),
            "[#username#]"      => array( 'value' => '', 'desc' => 'Username' ),
            "[#password#]"      => array( 'value' => '', 'desc' => 'Members account password' ),
            "[#date#]"          => array(
                'value' => date_i18n( get_option( 'date_format' ), time() ),
                'desc'  => 'Current Date'
            ),
            "[#package_name#]"  => array( 'value' => '', 'desc' => 'Package Name' ),
            "[#author#]"        => array( 'value' => '', 'desc' => 'Package author profile' ),
            "[#package_url#]"   => array( 'value' => '', 'desc' => 'Package URL' ),
            "[#edit_url#]"      => array( 'value' => '', 'desc' => 'Package Edit URL' )
        );

        return apply_filters( "wpdm_email_template_tags", $tags );
    }

    public static function defaultTemplate( $id ) {
        $templates = self::templates();

        return $templates[ $id ]['default'];
    }

    public static function template( $id ) {
        $template = maybe_unserialize( get_option( "__wpdm_etpl_" . $id, false ) );
        //print_r($template);die();
        $default = self::defaultTemplate( $id );
        if ( ! $template ) {
            $template = $default;
        }
        $template['message'] = ! isset( $template['message'] ) || trim( strip_tags( $template['message'] ) ) == '' ? $default['message'] : $template['message'];

        return $template;
    }

    public static function prepare( $id, $params ) {
        $template = self::template( $id );

        $params   = apply_filters( "wpdm_email_params_" . $id, $params );
        $template = apply_filters( "wpdm_email_template_" . $id, $template );

        $__wpdm_email_setting = maybe_unserialize( get_option( '__wpdm_email_setting', array() ) );
        $params                 = $params + $__wpdm_email_setting;
        $logo = esc_url($params['logo']);
        $banner = esc_url($params['banner']);
        $params['img_logo']     = isset( $params['logo'] ) && $params['logo'] != '' ? "<img style='max-width: 70%' src='{$logo}' alt='".esc_attr(get_option('blogname'))."' />" : "";
        $params['banner']       = isset( $params['banner'] ) && $params['banner'] != '' ? esc_url($params['banner']) : "";
        $params['banner_img']   = isset( $params['banner'] ) && $params['banner'] != '' ? "<img style='max-width: 100%;' src='{$banner}' alt='Banner Image' />" : "";
        $template_file          = get_option( "__wpdm_email_template", "default.html" );
        if ( isset( $params['template_file'] ) && file_exists( WPDM_BASE_DIR . 'email-templates/' . $params['template_file'] ) ) {
            $template_file = $params['template_file'];
        }
        $emltpl = wpdm_tpl_path( sanitize_file_name($template_file), WPDM_BASE_DIR . 'email-templates/' );
        $emltpl = realpath($emltpl);

        if(!$emltpl)
            $emltpl = wpdm_tpl_path( "default.html", WPDM_BASE_DIR . 'email-templates/' );

        $template_data = file_get_contents( $emltpl );

        $template['message'] = str_replace( "[#message#]", stripslashes( wpautop( $template['message'] ) ), $template_data );
        $tags                = self::tags();
        $new_pasrams         = array();
        foreach ( $params as $key => $val ) {
            $new_pasrams["[#{$key}#]"] = stripslashes($val);
        }
        $params = $new_pasrams;
        foreach ( $tags as $key => $info ) {
            if ( ! isset( $params[$key] )) {
                $params[$key] = $info['value'];
            }
        }

        $template['subject'] = str_replace( array_keys( $params ), array_values( $params ), $template['subject'] );
        $template['message'] = str_replace( array_keys( $params ), array_values( $params ), $template['message'] );

        return $template;
    }

    public static function send( $id, $params ) {
        $email       = self::info( $id );
        $template    = self::prepare( $id, $params );
        $headers[]     = "From: " . $template['from_name'] . " <" . $template['from_email'] . ">";
        $headers[]     = "Content-type: text/html";
        $to          = $email['for'] !== 'admin' && !isset($params['to_seller']) ? $params['to_email'] : $template['to_email'];
        $headers     = apply_filters( "wpdm_email_headers_" . str_replace("-", "_", $id), $headers );
        if(isset($params['cc'])){
            $headers[] = "CC: {$params['cc']}";
            unset($params['cc']);
        }
        if(isset($params['bcc'])){
            $headers[] = "Bcc: {$params['bcc']}";
            unset($params['bcc']);
        }
        $attachments = apply_filters( "wpdm_email_attachments_" . str_replace("-", "_", $id), array(), $params );
        return wp_mail( $to, $template['subject'], $template['message'], $headers, $attachments );
    }


    public function preview() {
        global $current_user;
        if ( ! isset( $_REQUEST['action'] ) || $_REQUEST['action'] != 'email_template_preview' ) {
            return;
        }
        if ( ! current_user_can( WPDM_MENU_ACCESS_CAP ) ) {
            die( 'Error' );
        }
        $id     = $_REQUEST['id'];
        $email  = self::info( $id );
        $params = array(
            "name"         => $current_user->display_name,
            "username"     => $current_user->user_login,
            "password"     => "**************",
            "package_name" => __( "Sample Package Name" , "download-manager" ),
            "author"       => $current_user->display_name,
            "package_url"  => "#",
            "edit_url"     => "#"
        );

        if ( isset( $_REQUEST['etmpl'] ) ) {
            $params['template_file'] = wpdm_query_var('etmpl');
        }
        $template = self::prepare( $id, $params );
        echo $template['message'];
        die();

    }

    static public function fetch($template, $message) {
        global $current_user;
        if ( ! current_user_can( WPDM_MENU_ACCESS_CAP ) ) {
            die( 'Error' );
        }


        $params['message'] = $message;
        $params['template_file'] = $template;

        $template = self::prepare( 'default', $params );
        return $template['message'];
    }


}