<?php
/**
 * Load All Ajax Actions
 * @package Charming Portfolio
 */
namespace CHARMING_PORTFOLIO\Inc\Classes;

if ( ! defined( 'ABSPATH' ) ) exit;

//using singleton for all of the classes so they only instantiate once
use CHARMING_PORTFOLIO\Inc\Traits\Singleton;

class Actions
{
    use Singleton;

  
    public function __construct()
    {
        $this->setup_hook();
            }
    public function setup_hook()
    {
        /**
         * save data to db as option
         */
        add_action('wp_ajax_charming_portfolio_save_data', [$this, 'save_data']);
        add_action('wp_ajax_charming_portfolio_save_data_additional', [$this, 'save_data_additional']);
        add_action("wp_ajax_charming_portfolio_add_enquiry", [$this, "add_enquiry"]);
        add_action("wp_ajax_nopriv_charming_portfolio_add_enquiry", [$this, "add_enquiry"]);

        // erase all data action
        add_action("wp_ajax_charming_portfolio_erase_data", [$this, "erase_all_data"]);
    }
    public function save_data() {
        if ( ! check_ajax_referer( 'charming_portfolio_save_data', 'nonce', false ) ) {
            wp_send_json([
                'success' => false,
                'message' => 'bot or unsafe request detected'
            ]);
        }
        $modified_data = PORTFOLIO::get_instance()->sanitize_array(wp_unslash($_POST));
        // remove action and nonce 
        unset($modified_data['action']);
        unset($modified_data['nonce']);

        // check for name is valid and it should between 2 to 20 words
        if (!preg_match("/^[a-zA-Z\s]{2,30}$/", $modified_data['name'])) {
            wp_send_json([
                'success' => false,
                'message' => 'name invalid'
            ]);
        }
        // check for designation is valid and it should be only characters and some limited special characters
        if(!preg_match("/^[a-zA-Z\s\.\,\-]{2,50}$/", $modified_data['designation'])) {
            wp_send_json([
                'success' => false,
                'message' => 'Designation is required! Please make sure you only use letters and some special characters like . , -'
            ]);
        }
        // validation for email and phone
        if (!filter_var($modified_data['email'], FILTER_VALIDATE_EMAIL)) {
            wp_send_json([
                'success' => false,
                'message' => 'mail invalid'
            ]);
        }
        // phone should be in 11 to 18 digits
        if (!preg_match("/^\+?[0-9]{11,18}$/", $modified_data['phone'])) {
            wp_send_json([
                'success' => false,
                'message' => 'phone number invalid'
            ]);
        }

        $social_links = json_decode(wp_unslash($modified_data['social_links']), true);
        $social_links = array_map(function($single_link){
            // wp_unslash and sanitize 
            $single_link['name'] = sanitize_text_field(wp_unslash($single_link['name']));
            $single_link['url'] = esc_url_raw(wp_unslash($single_link['url']));
            return $single_link;
        }, $social_links);
        $modified_data['social_links'] = $social_links;
        
        $header_links = json_decode(wp_unslash($modified_data['header_links']), true);
        $header_links = array_map(function($single_link){
            // wp_unslash and sanitize 
            $single_link['name'] = sanitize_text_field(wp_unslash($single_link['name']));
            $single_link['url'] = esc_url_raw(wp_unslash($single_link['url']));
            return $single_link;
        }, $header_links);
        $modified_data['header_links'] = $header_links;
        
        $footer_links = json_decode(wp_unslash($modified_data['footer_links']), true);
        $footer_links = array_map(function($single_link){
            // wp_unslash and sanitize 
            $single_link['name'] = sanitize_text_field(wp_unslash($single_link['name']));
            $single_link['url'] = esc_url_raw(wp_unslash($single_link['url']));
            return $single_link;
        }, $footer_links);
        $modified_data['footer_links'] = $footer_links;

        if (isset($modified_data['short_description']) && strlen($modified_data['short_description']) > 200) {
            wp_send_json([
                'success' => false,
                'message' => 'Short description is too long! It should be less than 200 words'
            ]);
        }
        if (isset($modified_data['description']) && strlen($modified_data['description']) > 800) {
            wp_send_json([
                'success' => false,
                'message' => 'Description is too long! It should be less than 800 words'
            ]);
        }
        // validate both image
        if (isset($modified_data['image']) && !filter_var($modified_data['image'], FILTER_VALIDATE_URL)) {
            wp_send_json([
                'success' => false,
                'message' => 'Invalid Image URL!'
            ]);
        }
        if (isset($modified_data['image_2']) && !filter_var($modified_data['image_2'], FILTER_VALIDATE_URL)) {
            wp_send_json([
                'success' => false,
                'message' => 'Invalid Secondary Image URL!'
            ]);
        }
        if (isset($modified_data['address']) && strlen($modified_data['address']) > 100) {
            wp_send_json([
                'success' => false,
                'message' => 'Address is too long! It should be less than 100 words'
            ]);
        }

        update_option('CHARMING_PORTFOLIO_v2', $modified_data);
        wp_send_json([
            'success' => true,
            'message' => 'Data saved successfully',
        ]);
    }
    public function save_data_additional() {
            if(! check_ajax_referer('charming_portfolio_save_data', 'nonce', false )) {
                wp_send_json([
                    'success' => false,
                    'message' => 'Bot Detected! Please try again later.',
                ]);
            }
            unset($_POST['action']);
            unset($_POST['nonce']);

            $modified_data = PORTFOLIO::get_instance()->sanitize_array(wp_unslash($_POST));
            $skills = $modified_data['skills'] ?? "[]";
            $skills = json_decode(($skills), true);
            $projects = $modified_data['works'] ?? "[]";
            $projects = json_decode($projects, true);
            $experiences = $modified_data['experiences'] ?? "[]";
            $experiences = json_decode($experiences, true);



            $skills = array_map(function($skill){
                // sanitize skill name
                $skill['name'] = sanitize_text_field(wp_unslash($skill['name']));
                return $skill;
            }, $skills);

            $experiences = array_map(function($experience){
                // sanitize brand logo
                $experience['logo'] = sanitize_text_field(wp_unslash($experience['logo']));
                // sanitize institution name
                $experience['institution'] = sanitize_text_field(wp_unslash($experience['institution']));
                // sanitize post title
                $experience['post-title'] = sanitize_text_field(wp_unslash($experience['post_title']));
                unset($experience['post_title']);
                // sanitize responsibility
                $experience['responsibility'] = sanitize_textarea_field(wp_unslash($experience['responsibility']));
                $still_working = boolval($experience['working']) ?? false;
                // validate start date
                if (isset($experience['start_date']) && !preg_match("/[0-9]{4}-[0-9]{2}-[0-9]{2}/", $experience['start_date'])) {
                    wp_send_json([
                        'success' => false,
                        'message' => 'Invalid Start Date!'
                    ]);
                }
                if(!$still_working) {
                    // validate end date
                    if (isset($experience['end_date']) && !preg_match("/[0-9]{4}-[0-9]{2}-[0-9]{2}/", $experience['end_date'])) {
                        wp_send_json([
                            'success' => false,
                            'message' => 'Invalid End Date!'
                        ]);
                    }
                }
                return $experience;
            }, $experiences);

            $projects = array_map(function($project){
                $project['thumbnail'] = sanitize_text_field(wp_unslash($project['image_url']));
                // sanitize project title
                $project['title'] = sanitize_text_field(wp_unslash($project['title']));
                // sanitize project description
                $project['description'] = sanitize_textarea_field(wp_unslash($project['description']));
                // sanitize project tags
                $project['tags'] = sanitize_text_field(wp_unslash($project['tags']));
                $project['link'] = esc_url_raw(wp_unslash($project['link']));
                return $project;
            }, $projects);
            
            $modified_data['skills'] = $skills;
            $modified_data['works'] = $projects;
            $modified_data['experiences'] = $experiences;
            
            update_option('CHARMING_PORTFOLIO_additional_v2', $modified_data);
            wp_send_json([
                'success' => true,
                'message' => 'Skills data saved successfully',
            ]);

        }
    public function add_enquiry() {
        if ( ! check_ajax_referer( 'charming_portfolio_enquiry', 'nonce', false ) ) {
            wp_send_json([
                'success' => false,
                'message' => 'Bot Detected! Please try again by refreshing the page.'
            ]);
        }
        $data = PORTFOLIO::get_instance()->sanitize_array(wp_unslash($_POST));
        $name = $data['name'] ?? '';
        $email = $data['email'] ?? '';
        $message = $data['message'] ?? '';
        
        if (empty($name) || !preg_match("/^[a-zA-Z\s]{2,30}$/", $name)) {
            wp_send_json([
                'success' => false,
                'message' => 'Name is not valid. Please make sure to use only letters and keep the name between 2 - 30 characters'
            ]);
        }
        if (empty($email) || !filter_var($email, FILTER_VALIDATE_EMAIL)) {
            wp_send_json([
                'success' => false,
                'message' => 'You mail is invalid. Please check your mail if its correct and try again.'
            ]);
        }
        if(empty($message) || strlen($message) > 500) {
            wp_send_json([
                'success' => false,
                'message' => 'Message is required and should be less than 500 characters'
            ]);
        }
//        $add_enquiry_post
        $post_data = [
            'post_title'    => wp_trim_words( $name, 5, '...' ),
            'post_content'  => $message,
            'post_status'   => 'private',
            'post_type'     => 'charming_portfolio_e',
            'meta_input'    => [
                'enquiry_email' => $email,
            ]
        ];
        $post_id = wp_insert_post($post_data);

        /**
         * send user email if contact mailing enabled
         */
        $portfolio_settings = get_option("CHARMING_PORTFOLIO_v2");
	    $contact_mailing_enabled = array_key_exists("enabled_contact_mailing", $portfolio_settings) ? $portfolio_settings["enabled_contact_mailing"] : false;

        if($contact_mailing_enabled) {

            $portfolio_owner_email = array_key_exists("email", $portfolio_settings) ? $portfolio_settings["email"] : false;
            // message containing all data of the enquiry
            $message = "Name: " . $name . "\n";
            $message .= "Email: " . $email . "\n";
            $message .= "Message: " . $data['message'] . "\n";
            $subject = "New Enquiry from " . ($portfolio_settings['name'] ?? 'Your Portfolio');
            $headers = ['Content-Type: text/plain; charset=UTF-8'];
            if($portfolio_owner_email) {
                try {
                    wp_mail($portfolio_owner_email, $subject, $message, $headers);
                }catch(Exception $e) {
                    //error_log("Error sending enquiry email from charming portfolio plugin: " . $e->getMessage());
                }
            }
        }


        if(!is_wp_error($post_id)) {
            wp_send_json([
                'success' => true,
            ]);
        }else{
            wp_send_json([
                'success' => false,
                'message' => "An internal server error occurred. Please try again later."
            ]);
        }

        wp_die();
    }

    /**
     * Erase all portfolio data
     */
    public function erase_all_data() {
        if ( ! check_ajax_referer( 'charming_portfolio_erase_data', 'nonce', false ) ) {
            wp_send_json([
                'success' => false,
                'message' => 'Bot Detected! Please try again later.'
            ]);
        }
        
        // delete portfolio options
        delete_option('CHARMING_PORTFOLIO_v2');
        delete_option('CHARMING_PORTFOLIO_additional_v2');
        delete_option('CHARMING_PORTFOLIO_data');
        delete_option('CHARMING_PORTFOLIO_additional_data');

        // delete all enquiries
        $enquiries = get_posts([
            'post_type' => 'charming_portfolio_e',
            'numberposts' => -1,
            'post_status' => 'any',
        ]);
        foreach($enquiries as $enquiry) {
            wp_delete_post($enquiry->ID, true);
        }

        wp_send_json([
            'success' => true,
            'message' => 'All portfolio data erased successfully.'
        ]);
    }
}
