<?php
// no direct access
defined('ABSPATH') or die();

if(!class_exists('LSD_Menus_IX')):

/**
 * Listdom Import / Export Menu Class.
 *
 * @class LSD_Menus_IX
 * @version	1.0.0
 */
class LSD_Menus_IX extends LSD_Menus
{
    /**
	 * Constructor method
	 */
	public function __construct()
    {
        parent::__construct();

        // Initialize the menu
        $this->init();
	}
    
    public function init()
    {
        // Export
        add_action('init', array($this, 'export'), 100);

        // Import
        add_action('wp_ajax_lsd_ix_listdom_upload', array($this, 'upload'));
        add_action('wp_ajax_lsd_ix_listdom_import', array($this, 'import'));

        // General Import
        add_action('lsd_import', array(new LSD_IX(), 'import'));
    }
    
    public function output()
    {
        // Get the current tab
        $this->tab = isset($_GET['tab']) ? sanitize_text_field($_GET['tab']) : 'json';
        
        // Generate output
        $this->include_html_file('menus/ix/tpl.php');
    }

    public function export()
    {
        $export = isset($_GET['lsd-export']) ? sanitize_text_field(strtolower($_GET['lsd-export'])) : null;

        // It's not an export request
        if(!trim($export)) return false;

        $wpnonce = isset($_GET['_wpnonce']) ? sanitize_text_field($_GET['_wpnonce']) : null;

        // Check if nonce is not set
        if(!trim($wpnonce)) return false;

        // Verify that the nonce is valid.
        if(!wp_verify_nonce($wpnonce, 'lsd_ix_form')) return false;

        // Export Library
        $ix = new LSD_IX_Listdom();

        switch($export)
        {
            case 'json':

                $ix->json();
                break;

            default:

                do_action('lsd_ix_export_request');
                break;
        }

        // End the Execution
        exit;
    }

    public function upload()
    {
        $wpnonce = isset($_POST['_wpnonce']) ? sanitize_text_field($_POST['_wpnonce']) : null;

        // Check if nonce is not set
        if(!trim($wpnonce)) $this->response(array('success' => 0, 'message' => esc_html__('Security nonce missed!', 'listdom'), 'code' => 'NONCE_MISSING'));

        // Verify that the nonce is valid.
        if(!wp_verify_nonce($wpnonce, 'lsd_ix_listdom_upload')) $this->response(array('success' => 0, 'message' => esc_html__('Security nonce is invalid!', 'listdom'), 'code' => 'NONCE_IS_INVALID'));

        $uploaded_file = isset($_FILES['file']) ? $_FILES['file'] : null;

        // No file
        if(!$uploaded_file) $this->response(array('success' => 0, 'message' => esc_html__('Please upload a file first!', 'listdom'), 'code' => 'NO_FILE'));

        $ex = explode('.', sanitize_file_name($uploaded_file['name']));
        $extension = end($ex);

        // Invalid Extension
        if(!in_array($extension, array('json'))) $this->response(array('success' => 0, 'message' => esc_html__('Invalid file extension! Only JSON files are allowed.', 'listdom'), 'code' => 'INVALID_EXTENSION'));

        // Upload File
        $file = time().'.'.$extension;
        $destination = $this->get_upload_path(). $file;

        $data = [];
        if(move_uploaded_file($uploaded_file['tmp_name'], $destination))
        {
            $success = 1;
            $message = esc_html__('The file is uploaded! You can import the file now.', 'listdom');

            $data = array('file' => $file);
        }
        else
        {
            $success = 0;
            $message = esc_html__('An error occurred during uploading the file!', 'listdom');
        }

        $this->response(array('success'=>$success, 'message'=>$message, 'data'=>$data));
    }

    public function import()
    {
        $wpnonce = isset($_POST['_wpnonce']) ? sanitize_text_field($_POST['_wpnonce']) : null;

        // Check if nonce is not set
        if(!trim($wpnonce)) $this->response(array('success' => 0, 'code' => 'NONCE_MISSING'));

        // Verify that the nonce is valid.
        if(!wp_verify_nonce($wpnonce, 'lsd_ix_listdom_import')) $this->response(array('success' => 0, 'code' => 'NONCE_IS_INVALID'));

        // Get Parameters
        $ix = isset($_POST['ix']) ? $_POST['ix'] : [];

        // Sanitization
        array_walk_recursive($ix, 'sanitize_text_field');

        // File
        $file = isset($ix['file']) ? $ix['file'] : null;

        // No File
        if(trim($file) == '') $this->response(array('success' => 0, 'code' => 'FILE_MISSED'));

        // Full File Path
        $path = $this->get_upload_path().$file;

        // File Not Found
        if(!LSD_File::exists($path)) $this->response(array('success' => 0, 'code' => 'FILE_NOT_FOUND'));

        // Import
        do_action('lsd_import', $path);

        // Delete the File
        LSD_File::delete($path);

        // Print the response
        $this->response(array('success'=>1, 'message' => esc_html__('Listings imported successfully!', 'listdom')));
    }
}

endif;