<?php

namespace FQP\Shortcode;

use FQP;
use FQP\ShortcodeAbstract;
use FQP\DB;
use FQP\Settings;
use Exception;

class QuotePrice extends ShortcodeAbstract {
    const NATIONALITY_SWITZERLAND_VAL = 1; // з словника ma_fasoon_nationality_data

    protected $_default_action = 'step1';
    protected $_session_name = 'fqp_form_data';
    protected $_action;
    protected $_template_vars = [
        'step1' => [
            'form_id'                   => 'fasoon_form1',
            'partner_class'             => 'fasoon_form1_partners',
            'entry_type_id'             => 'entry_type',
            'backing_type_id'           => 'backing_type',
            'summary_title_class'       => 'fasoon_form1_summary_title',
            'summary_price_class'       => 'fasoon_form1_summary_price',
            'summary_partners_class'    => 'fasoon_form1_summary_partners',
            'summary_partner_tpl_class' => 'fasoon_form1_summary_partner_tpl',
            'summary_total_class'       => 'fasoon_form1_summary_total',
        ],
        'step2' => [
            'form_id'     => 'fasoon_form2',
            'phone_id'    => 'phone',
            'plugins_url' => null,
        ],
        'step3' => [
            'form_id'     => 'fasoon_form3',
            'plugins_url' => null,
        ],
        'step4' => [
            'form_id'                => 'fasoon_form4',

            'plugins_url'            => null,
            'save_action'            => 'fqp_step4_save_ajax',
            'ajax_url'               => null,

            'persons_class'          => 'indivuduals',
            'add_person_class'       => 'add_person',
            'add_company_class'      => 'add_company',
            'new_person_form_class'  => 'new_person_form',
            'new_company_form_class' => 'new_company_form',

            'load_contact_data_id'        => 'load_contact_data',
        ],
        'step5' => [
            'form_id' => 'fasoon_form5',
        ],
        'step6' => [
            'form_id' => 'fasoon_form6',
        ],
    ];

    public function __construct() {
        add_shortcode( 'fasoon_quote_price', [ $this, 'exec' ] );

        // init action
        add_filter( 'admin_post_nopriv_fqp_init', [ $this, 'exec_init' ] );
        add_filter( 'admin_post_fqp_init', [ $this, 'exec_init' ] );

        add_filter( 'admin_post_nopriv_fqp_step1_save', [ $this, 'exec_step1_save' ] );
        add_filter( 'admin_post_fqp_step1_save', [ $this, 'exec_step1_save' ] );

        add_filter( 'admin_post_nopriv_fqp_step2_save', [ $this, 'exec_step2_save' ] );
        add_filter( 'admin_post_fqp_step2_save', [ $this, 'exec_step2_save' ] );

        add_filter( 'admin_post_nopriv_fqp_step3_save', [ $this, 'exec_step3_save' ] );
        add_filter( 'admin_post_fqp_step3_save', [ $this, 'exec_step3_save' ] );

        add_filter( 'admin_post_nopriv_fqp_step4_save', [ $this, 'exec_step4_save' ] );
        add_filter( 'admin_post_fqp_step4_save', [ $this, 'exec_step4_save' ] );
        if ( wp_doing_ajax() ) {
            add_filter( "wp_ajax_nopriv_{$this->_template_vars['step4']['save_action']}", [ $this, 'exec_step4_save_ajax' ] );
            add_filter( "wp_ajax_{$this->_template_vars['step4']['save_action']}", [ $this, 'exec_step4_save_ajax' ] );
        }

        add_filter( 'admin_post_nopriv_fqp_step5_save', [ $this, 'exec_step5_save' ] );
        add_filter( 'admin_post_fqp_step5_save', [ $this, 'exec_step5_save' ] );

        add_filter( 'admin_post_nopriv_fqp_step6_save', [ $this, 'exec_step6_save' ] );
        add_filter( 'admin_post_fqp_step6_save', [ $this, 'exec_step6_save' ] );

	    add_filter( 'admin_post_nopriv_fqp_send', [ $this, 'exec_send' ] );
	    add_filter( 'admin_post_fqp_send', [ $this, 'exec_send' ] );

	    add_filter( 'admin_post_nopriv_fqp_cron_job', [ $this, 'exec_cron_job' ] );
	    add_filter( 'admin_post_fqp_cron_job', [ $this, 'exec_cron_job' ] );
    }

    protected function _get_method( $action ) {
        return 'exec_' . strtolower($action);
    }

    protected function _get_template_vars( $action ) {
        $vars = [];
        if ( array_key_exists( $action, $this->_template_vars ) ) {
            $vars = $this->_template_vars[$action];
            $vars['plugins_url'] = plugins_url( '', FQP_PLUGIN_BASE_NAME );
            $vars['currency'] = FQP\FQP::currency();
        }
        return $vars;
    }

    protected function _get_template_options() {
        $options = parent::_get_template_options();

        $options['page_url'] = self::get_page_url();
        $options['step'] = $this->_action;
        
        $options['data'] = $this->_session( $this->_action ) ?: [];

        $options['all_data'] = $this->_get_all_data();

        $options['tpl_vars'] = $this->_get_template_vars( $this->_action );

        $options['form_errors'] = $this->_session( 'form_errors' );
        $this->_session( 'form_errors', null );

        return $options;
    }

    protected function _get_all_data() {
        $data = [];
        foreach ( array_keys( $this->_template_vars ) as $step ) {
            $data[$step] = $this->_session( $step ) ?: [];
        }
        return $data;
    }

    protected function _get_post_data() {
        $data = [];
        $request_method = strtolower( $_SERVER['REQUEST_METHOD'] );
        if ( 'post' == $request_method ) {
            $data = $_POST;
        } elseif ( 'get' == $request_method ) {
            $data = $_GET;
        } else {
            wp_die( 'Wrong Request Method', __METHOD__ );
        }
        $data = wp_unslash( $data );
        return $data;
    }

    public function exec() {
        $action = @$_REQUEST['action'];
        if ( $action ) {
            if ( 0 === strpos( $action, 'fqp_' ) ) {
                $this->_action = substr( $action, 4 );
            } else {
                $this->_action = null;
            }
        } else {
            $this->_action = $this->_default_action;
        }
        if ( ! $this->_action ) {
            return '';
        }

        $method = $this->_get_method( $this->_action );
        if ( ! method_exists( __CLASS__, $method ) ) {
            wp_die( __METHOD__ . ': Something went wrong!' );
        }

        if ( ! wp_doing_ajax() ) {
            wp_enqueue_style( 'fasoon-jquery-ui', plugins_url( '/css/jquery-ui.css', FQP_PLUGIN_BASE_NAME ) );
            wp_enqueue_style( 'fasoon-jquery-ui-structure', plugins_url( '/css/jquery-ui.structure.css', FQP_PLUGIN_BASE_NAME ) );
            wp_enqueue_style( 'fasoon-jquery-ui-theme', plugins_url( '/css/jquery-ui.theme.css', FQP_PLUGIN_BASE_NAME ) );
            //wp_enqueue_style( 'fasoon-jquery-ui-theme', '//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css' );
            wp_enqueue_script( 'fasoon_quote_tooltip', plugins_url( '/js/fasoon-quote-tooltip.js', FQP_PLUGIN_BASE_NAME ), [ 'jquery-ui-tooltip' ] );

            wp_enqueue_script( 'fasoon_quote_form_background', plugins_url( '/js/fasoon-quote-form-background.js', FQP_PLUGIN_BASE_NAME ), [ 'jquery' ] );

	        //wp_enqueue_script( 'fasoon_quote_form_placeholder', plugins_url( '/js/fasoon-quote-form-placeholder.js', FQP_PLUGIN_BASE_NAME ), [ 'jquery' ] );
	        //add_action( 'wp_footer', function() { echo '<div id="width-tester"></div>'; } );
        }

        return $this->{$method}();
    }

    public function exec_init() {
        $data = $this->_get_post_data();
        if ( !empty( $data ) ) {
            FQP\Form\Step1::sanitize_data( $data );
            $this->_session( 'step1', $data );
        }
        $this->_redirect_to( 'step1' );
    }

    /**
     * @param string|FQP\FormAbstract $form
     */
    protected function _set_form_entry_type( $form ) {
        $step1 = $this->_session( 'step1' );

        if ( empty( $step1 ) || empty( $step1['entry_type'] ) ) {
            $this->_redirect_to( 'step1' );
        }

        $form::set_entry_type( $step1['entry_type'] );

        if ( ! empty( $step1['backing_type'] ) ) {
            $form::set_backing_type( $step1['backing_type'] );
        }
    }

    public function exec_step1() {
        wp_enqueue_style( 'swiper', plugins_url( '/css/swiper/swiper.min.css', FQP_PLUGIN_BASE_NAME ) );
        wp_enqueue_script( 'swiper', plugins_url( '/js/swiper/swiper.min.js', FQP_PLUGIN_BASE_NAME ), [ 'jquery' ] );

        wp_enqueue_script( 'fasoon_quote_step1', plugins_url( '/js/fasoon-quote-step1.js', FQP_PLUGIN_BASE_NAME ), [ 'underscore', 'swiper' ] );

        $script_options = json_encode($this->_get_template_vars( $this->_action ));
        wp_add_inline_script( 'fasoon_quote_step1', "jQuery(document).ready(function() { new fasoon.QuotePriceStep1({$script_options}); })" );

        $this->_template = 'quote-step1.php';

        return parent::exec();
    }

    public function exec_step1_save() {
        $data = $this->_get_post_data();
        if ( true === ( $errors = FQP\Form\Step1::sanitize_data( $data ) ) ) {
            $this->_session( 'step1', $data );
            $this->_session( 'form_errors', null );
            $this->_redirect_to( 'step2' );
        } else {
            $this->_session( 'form_errors', $errors );
            $this->_redirect_to( 'step1' );
        }
    }

    public function exec_step2() {
        $this->_set_form_entry_type( 'FQP\Form\Step2' );

        wp_enqueue_style('intl-tel-input', plugins_url('/css/intlTelInput.css', FQP_PLUGIN_BASE_NAME));
        wp_enqueue_script('intl-tel-input', plugins_url('/js/intl-tel-input/intlTelInput.js', FQP_PLUGIN_BASE_NAME), ['jquery']);

        wp_enqueue_script( 'fasoon_quote_step2', plugins_url( '/js/fasoon-quote-step2.js', FQP_PLUGIN_BASE_NAME ), [ 'jquery' ] );

        $script_options = json_encode($this->_get_template_vars( $this->_action ));
        wp_add_inline_script( 'fasoon_quote_step2', "jQuery(document).ready(function() { new fasoon.QuotePriceStep2({$script_options}); })" );

        $this->_template = 'quote-step2.php';

        return parent::exec();
    }

    public function exec_step2_save() {
        $this->_set_form_entry_type( 'FQP\Form\Step2' );
        $data = $this->_get_post_data();
        $this->_session( 'step2', $data );
        if ( true === ( $errors = FQP\Form\Step2::sanitize_data( $data ) ) ) {
            $this->_session( 'form_errors', null );
            if ( FQP\FQP::is_short_forms() ) {
                $this->_redirect_to( 'send' );
            } else {
                $this->_redirect_to( 'step3' );
            }
            
        } else {
            $this->_session( 'form_errors', $errors );
            $this->_redirect_to( 'step2' );
        }
    }

    public function exec_step3() {
        $this->_set_form_entry_type( 'FQP\Form\Step3' );

        wp_enqueue_script( 'fasoon_quote_step3', plugins_url( '/js/fasoon-quote-step3.js', FQP_PLUGIN_BASE_NAME ), [ 'jquery' ] );
        $script_options = json_encode($this->_get_template_vars( $this->_action ));
        wp_add_inline_script( 'fasoon_quote_step3', "jQuery(document).ready(function() { new fasoon.QuotePriceStep3({$script_options}); })" );

        $this->_template = 'quote-step3.php';

        return parent::exec();
    }

    public function exec_step3_save() {
        $this->_set_form_entry_type( 'FQP\Form\Step3' );
        $data = $this->_get_post_data();
        $this->_session( 'step3', $data );
        if ( true === ( $errors = FQP\Form\Step3::sanitize_data( $data ) ) ) {
            $this->_session( 'form_errors', null );
            $this->_redirect_to( 'step4' );
        } else {
            $this->_session( 'form_errors', $errors );
            $this->_redirect_to( 'step3' );
        }
    }

    public function exec_step4() {
        $this->_set_form_entry_type( 'FQP\Form\Step4' );

        wp_enqueue_script( 
            'fasoon_quote_step4', 
            plugins_url( '/js/fasoon-quote-step4.js', FQP_PLUGIN_BASE_NAME ), 
            [ 'jquery', 'jquery-serialize-object' ] 
        );

        if ( 'de' ==  FQP\FQP::get_curr_lang() ) {
            wp_enqueue_script( 
                'fasoon_quote_datepicker_de', 
                plugins_url( '/js/jquery-ui/datepicker-de.js', FQP_PLUGIN_BASE_NAME ), 
                [ 'jquery-ui-datepicker' ] 
            );
        }
        wp_enqueue_script( 
            'fasoon_quote_datepicker', 
            plugins_url( '/js/fasoon-quote-datepicker.js', FQP_PLUGIN_BASE_NAME ), 
            [ 'jquery-ui-datepicker' ] 
        );

        $script_options = $this->_get_template_vars( $this->_action );
        $script_options['ajax_url'] = self::get_form_ajax_action();
        $script_options['persons_data'] = $this->_session( 'step4' );
        
        $contact_data = (array) $this->_session( 'step2' );
        $fields = array_keys( FQP\Form\Step4::get_fields( 'person' ) );
        foreach ( array_keys( $contact_data ) as $key ) {
            if ( ! in_array( $key, $fields ) ) {
                unset( $contact_data[$key] );
            }
        }
        $script_options['contact_data'] = $contact_data;
        $script_options['contact_data_confirmation'] = fqp__( 'Do you really wont override entered data?' );
        
        $script_options = json_encode( $script_options );
        wp_add_inline_script( 
            'fasoon_quote_step4', 
            "jQuery(document).ready(function() { new fasoon.QuotePriceStep4({$script_options}); })" 
        );

        $this->_template = 'quote-step4.php';

        return parent::exec();
    }

    public function exec_step4_save() {
        $this->_set_form_entry_type( 'FQP\Form\Step4' );
        $data = $this->_session( 'step4' );
        $data = array_filter($data);

        if ( empty( $data )  ) {
        	/*$data = [
        		'_completed' => true, // треба для того щоб визначити чи юзер вже пройшов цей крок
	        ];
	        $this->_session( 'step4', $data );
	        $this->_redirect_to( 'step5' );*/

            $this->_session( 'form_errors', [ fqp__( 'Please add at least one person' ) ] );
            $this->_redirect_to( 'step4' );
        } else {
            $this->_session( 'form_errors', null );
            $this->_redirect_to( 'step5' );
        }
    }

    public function exec_step4_save_ajax() {

        $this->_set_form_entry_type( 'FQP\Form\Step4' );

        $data = $this->_get_post_data();
        $result = [];

        if ( ! wp_verify_nonce( $data['_wpnonce'], "{$this->_template_vars['step4']['save_action']}_{$data['person_type']}" ) ) {
            $result['is_success'] = false;
            $result['wrong_nonce'] = true;
            die( json_encode( $result ) );
        }

        $sub_action = @$data['sub_action'] ?: 'save';

        switch ( $sub_action ) {
            case 'save':
                $result = $this->_step4_save_person( $data );
                break;
            case 'delete':
                $result = $this->_step4_delete_person( $data );
                break;
            default:
                $result['is_success'] = false;
                $result['error'] = 'Unknown subaction!';
        }

        $this->_display_json( $result );
    }

    protected function _clear_person_data( &$data ) {
        unset(
            $data['_wpnonce'],
            $data['_wp_http_referer'],
            $data['id'],
            $data['action'],
            $data['sub_action']
        );
    }

    protected function _step4_save_person( $data ) {
        if ( true !== ( $errors = FQP\Form\Step4::sanitize_data( $data ) ) ) {
            $result['is_success'] = false;
            array_walk( $errors, function ( &$val ) {
                $val = fqp_esc_html__( $val );
            } );
            $result['error'] = implode( '<br>', $errors );
            return $result;
        }

        $session_data = $this->_session( 'step4' );
        $type_data = ( ! empty( $session_data[$data['person_type']] ) ) ? $session_data[$data['person_type']] : [];
        $id = @$data['id'];
        $this->_clear_person_data( $data );
        if ($id) {
            if ( array_key_exists( $id, $type_data ) ) {
                $type_data[$id] = $data;
            }
        } else {
            $id = md5( json_encode( $data ) . microtime( true ) );
            $type_data[$id] = $data;
        }
        $session_data[$data['person_type']] = $type_data;
        $this->_session( 'step4', $session_data );

        $entry_type = $this->_session( 'step1' )['entry_type'];

        $result['is_success'] = true;
        $result['persons_html'] = static::step4_render_list( $session_data, $entry_type );
        $result['persons_data'] = $session_data;

        return $result;
    }

    protected function _step4_delete_person( $data ) {
        $id = $data['id'];
        $type = $data['person_type'];

        $session_data = $this->_session( 'step4' );
        $type_data = ( ! empty( $session_data[$type] ) ) ? $session_data[$type] : [];

        $this->_clear_person_data( $data );

        if ( ! empty( $type_data[$id] ) && $type_data[$id] == $data ) {
            unset( $type_data[$id] );
        }

        $session_data[$type] = $type_data;
        $this->_session( 'step4', $session_data );

        $entry_type = $this->_session( 'step1' )['entry_type'];

        $result['is_success'] = true;
        $result['persons_html'] = static::step4_render_list( $session_data, $entry_type );
        $result['persons_data'] = $session_data;

        return $result;
    }

    public static function step4_render_list( $data, $entry_type ) {
        if ( empty( $data ) || ! $entry_type ) {
            return '';
        }
        FQP\Form\Step4::filter_data( $data );
        ob_start();
        include FQP_PLUGIN_DIR_PATH . 'templates/quote-step4-persons-list.php';
        $output = ob_get_contents();
        ob_end_clean();

        return $output;
    }

    public function exec_step5() {
        $this->_set_form_entry_type( 'FQP\Form\Step5' );

        if ( ! in_array( FQP\Form\Step5::get_entry_type(), [ FQP\FQP::ENTRY_TYPE_AG, FQP\FQP::ENTRY_TYPE_LTD, FQP\FQP::ENTRY_TYPE_COLLECTIVE_COMPANY ] ) ) {
            $this->_redirect_to( 'step6' );
        }

        wp_enqueue_script( 'auto_numeric', plugins_url( '/js/autoNumeric/autoNumeric-min.js', FQP_PLUGIN_BASE_NAME ), [ 'jquery' ] );
        wp_enqueue_script( 'fasoon_quote_step5', plugins_url( '/js/fasoon-quote-step5.js', FQP_PLUGIN_BASE_NAME ), [ 'jquery' ] );

        $script_options = $this->_get_template_vars( $this->_action );
        $script_options['shares_number_id'] = FQP\Form\Step5::get_html_id( '_shares_number' );
        $script_options['equity_capital_id'] = FQP\Form\Step5::get_html_id( 'equity_capital' );
        $script_options['share_price_id'] = FQP\Form\Step5::get_html_id( 'share_price' );
        if ( FQP\FQP::ENTRY_TYPE_LTD == FQP\Form\Step5::get_entry_type() ) {
	        $script_options['share_text'] = [
		        'singular' => fqp__( 'EN Stammanteile' ),
		        'plural'   => fqp__( 'EN Stammanteile' ),
	        ];
        } else {
	        $script_options['share_text'] = [
		        'singular' => fqp__( 'EN Aktie' ),
		        'plural'   => fqp__( 'EN Aktien' ),
	        ];
        }
        $script_options = json_encode( $script_options );
        wp_add_inline_script( 'fasoon_quote_step5', "jQuery(document).ready(function() { new fasoon.QuotePriceStep5({$script_options}); })" );

        $this->_template = 'quote-step5.php';

        return parent::exec();
    }

    public function exec_step5_save() {
        $this->_set_form_entry_type( 'FQP\Form\Step5' );
        $data = $this->_get_post_data();
        $this->_session( 'step5', $data );
        $persons = $this->_session( 'step4' );
        if ( true === ( $errors = FQP\Form\Step5::sanitize_data( $data, $persons ) ) ) {
            $this->_session( 'step5', $data );
            $this->_session( 'form_errors', null );
            $this->_redirect_to( 'step6' );
        } else {
            $this->_session( 'form_errors', $errors );
            $this->_redirect_to( 'step5' );
        }
    }

    public function exec_step6() {
        $this->_set_form_entry_type( 'FQP\Form\Step2' );
        $this->_set_form_entry_type( 'FQP\Form\Step3' );
        $this->_set_form_entry_type( 'FQP\Form\Step4' );
        $this->_set_form_entry_type( 'FQP\Form\Step5' );
        $this->_set_form_entry_type( 'FQP\Form\Step6' );

        /*wp_enqueue_script( 'fasoon_quote_step6', plugins_url( '/js/fasoon-quote-step6.js', FQP_PLUGIN_BASE_NAME ), [ 'jquery' ] );

        $script_options = $this->_get_template_vars( $this->_action );
        $script_options = json_encode( $script_options );
        wp_add_inline_script( 'fasoon_quote_step6', "jQuery(document).ready(function() { new fasoon.QuotePriceStep6({$script_options}); })" );*/

        $this->_template = 'quote-step6.php';

        return parent::exec();
    }

    public function exec_step6_save() {
        $this->_set_form_entry_type( 'FQP\Form\Step6' );
        $data = $this->_get_post_data();
        $this->_session( 'step6', $data );
        if ( true === ( $errors = FQP\Form\Step6::sanitize_data( $data ) ) ) {
            $this->_session( 'step6', $data );
            $this->_session( 'form_errors', null );
            $this->_redirect_to( self::get_form_action() . '&action=fqp_send' );
        } else {
            $this->_session( 'form_errors', $errors );
            $this->_redirect_to( 'step6' );
        }
    }

	public function exec_send() {
        $this->_set_form_entry_type( 'FQP\Form\Step2' );
        if ( FQP\FQP::is_short_forms() ) {
            $this->_set_form_entry_type( 'FQP\Form\Step3' );
            $this->_set_form_entry_type( 'FQP\Form\Step4' );
            $this->_set_form_entry_type( 'FQP\Form\Step5' );
            $this->_set_form_entry_type( 'FQP\Form\Step6' );
        }

        // validate & collect data
        $all_data = [];
        if ( FQP\FQP::is_short_forms() ) {
            $steps = [ 'step1', 'step2' ];
        } else {
            $steps = array_keys( $this->_template_vars );
        }

        foreach ( $steps as $step ) {
            $data = (array) $this->_session( $step );
            /** @var FQP\FormAbstract $class */
            $class = 'FQP\\Form\\' . ucfirst( $step );

            if ( 'step4' == $step ) {
            	unset( $data['_completed'] );
                foreach ( $data as $persons ) {
                    foreach ( $persons as $person ) {
                        /** @var FQP\Form\Step4 $class */
                        if ( true !== ( $errors = $class::sanitize_data( $person ) ) ) {
                            $this->_session( 'form_errors', $errors );
                            $this->_redirect_to( $step );
                        }
                    }
                }
                $class::filter_data( $data );
            } elseif ( 'step5' == $step ) {
                /** @var FQP\Form\Step5 $class */
                if ( true !== ( $errors = $class::sanitize_data( $data, $all_data['step4'] ) ) ) {
                    $this->_session( 'form_errors', $errors );
                    $this->_redirect_to( $step );
                }
                $class::filter_data( $data, $all_data['step4'] );
            } else {
                if ( true !== ( $errors = $class::sanitize_data( $data ) ) ) {
                    $this->_session( 'form_errors', $errors );
                    $this->_redirect_to( $step );
                }
                $class::filter_data( $data );
            }

            $all_data[$step] = $data;
        } // validate & collect data - end

        if ( ! ( $submission_ID = $this->_save_submission( $all_data ) ) ) {
            $errors = [ 'Can\'t save quote submission' ];
            $this->_session( 'form_errors', $errors );
            $this->_redirect_to( 'step1' );
        }

        $submission = DB::get_submission( $submission_ID );

        if ( ! $this->_send_notifications( $submission ) ) {
            $errors = [ 'Can\'t send admin notification' ];
            $this->_session( 'form_errors', $errors );
            $this->_redirect_to( 'step1' );
        }

        if ( FQP\FQP::is_zoho_export() ) {
            $this->zoho_export( $submission );
        }

        $this->_clear_session();

        $url = Settings::get_thanks_url();
        if ( ! $url ) {
        	$url = get_site_url();
        }
        $this->_redirect_to( $url );
    }

    protected function _redirect_to( $step ) {
    	if ( false !== strpos( $step, 'http' ) ) {
    		$url = $step;
	    } else {
		    $url = self::get_page_url() . '?action=fqp_' . rawurlencode( $step );
	    }
        if ( headers_sent() ) {
            echo '<script>document.location.href="' . fqp_esc_attr__( $url ) . '"</script>';
        } else {
            wp_redirect( $url );
        }
        exit;
    }

    protected function _session() {
        $args = func_get_args();
        switch ( count( $args )) {
            case 1:
                return @$_SESSION[$this->_session_name][$args[0]];
                break;
            case 2:
                $_SESSION[$this->_session_name][$args[0]] = $args[1];
                return true;
                break;
        }
        wp_die('Function params is wrong.', __METHOD__);
        return false;
    }

    protected function _clear_session() {
        $_SESSION[$this->_session_name] = [];
    }

    protected function _save_submission( array $data ) {
        /** @var \wpdb $wpdb */
        global $wpdb;

        $entry_types = DB::get_entry_types();
        $backing_types = DB::get_backing_types();
        $prices = get_option( Settings::OPTION_PRICES );

        $partners = [];
        if ( ! empty( $data['step1']['partners'] ) && is_array( $data['step1']['partners'] ) ) {
            $partners_list = DB::get_partners( true );
            foreach ( $partners_list as $partner ) {
                if ( in_array( $partner['ID'], $data['step1']['partners'] ) ) {
                    $partners[] = [
                        'submission_ID' => null,
                        'partner_ID'    => $partner['ID'],
                        'title'         => $partner['post_title'],
                        'discount'      => 0,
                    ];
                }
            }
        }

        $_data = $data['step1'] + $data['step2'];
        unset( $_data['partners'] );
        
        if ( ! empty( $data['step3'] ) ) {
            $_data += $data['step3'];
        }

        $_data['entry_type_ID'] = $_data['entry_type'];
        $_data['entry_type'] = $entry_types[$_data['entry_type_ID']]['title'];
        $_data['backing_type_ID'] = $_data['backing_type'] ?: null;
        if (null !== $_data['backing_type_ID']) {
            $_data['backing_type'] = $backing_types[$_data['backing_type_ID']]['title'];
            $_data['price'] = $prices['price'][$_data['entry_type_ID']][$_data['backing_type_ID']];
        } else {
            $_data['price'] = $prices['price'][$_data['entry_type_ID']];
        }
        if ( ! empty( $data['step5'] ) ) {
            $_data += $data['step5'];
            unset( $_data['person_shares'] );
        }
        if ( ! empty( $data['step6'] ) ) {
            $_data += $data['step6'];
        }

        $_data['email_subscription'] = ( 'y' == @$_data['email_subscription'] ) ? 'y' : 'n';
        $_data['agree'] = ( 'y' == @$_data['agree'] ) ? 'y' : 'n';

        $this->clear_empty( $_data );

        $result = $wpdb->insert( DB::get_table_name( 'submission' ), $_data );
        if ( ! $result ) {
            return $result;
        }
        $submission_ID = $wpdb->insert_id;

        if ( $partners ) {
            $partner_discount = $prices['per_partner_discount'];
            $total = $price = $_data['price'];
            foreach ( $partners as $partner ) {
                $discount = bcdiv( bcmul( $price, $partner_discount ), 100, 2 );
                if ( 1 == bccomp( $discount, $total, 2 ) ) {
                    $discount = $total;
                }
                $total = bcsub( $total, $discount, 2 );
                if ( -1 == bccomp( $total, '0', 2 ) ) {
                    $total = '0';
                }

                $partner['submission_ID'] = $submission_ID;
                $partner['discount'] = $discount;
                $this->clear_empty( $partner );
                $wpdb->insert( DB::get_table_name( 'submission_partner' ), $partner );
            }
        }

        if ( ! empty( $data['step4'] ) ) {
            $dictionary = [
                'nationality'             => $company_country = DB::get_nationality(),
                'vr_function_in_company'  => DB::get_vr_function_in_company(),
                'function_in_company'     => DB::get_function_in_company(),
                'signature_authorization' => DB::get_signature_authorization(),
            ];
            foreach ( $data['step4'] as $type => $persons ) {
                foreach ( $persons as $person_id => $person ) {
                    $person['submission_ID'] = $submission_ID;
                    $person['type'] = $type;
                    $person['birth_date'] = $this->prepere_date($person['birth_date']);

                    if ( ! empty( $data['step5']['person_shares'] ) ) {
                        $person['shares_number'] = @$data['step5']['person_shares'][$person_id];
                    }

                    $dict_fields = [ 'nationality', 'vr_function_in_company', 'function_in_company', 'signature_authorization', 'company_country' ];
                    foreach ( $dict_fields as $field ) {
                        if ( array_key_exists( $field, $person ) ) {
                            $person["{$field}_ID"] = $person[$field];
                            $person[$field] = fqp_array_get(@$dictionary[$field], @$person["{$field}_ID"], '');
                        }
                    }

                    $this->clear_empty( $person );
                    $wpdb->insert( DB::get_table_name( 'submission_person' ), $person );
                }
            }
        }
        
        return $submission_ID;
    }

    protected function _send_notifications ( $submission ) {
        if ( empty( $submission ) ) {
            return false;
        }

        $options = get_option( Settings::OPTION_EMAILS );

        $emails = $options['emails'];
        $subject = $options['subject'];

        $partners = $submission['partners'];
        if ( $partners ) {
            $submission['partners'] = '';
            foreach ( $partners as $partner ) {
                $title = fqp_esc_html__( $partner['title'] );
                $discount = fqp_esc_html__( '-' . fqp_money_currency( $partner['discount'] ) );
                $submission['partners'] .= "{$title} ({$discount}), ";
            }
            $submission['partners'] = trim( $submission['partners'], ', ' );
        } else {
            $submission['partners'] = '-';
        }

        $submission['email_subscription'] = ( 'y' == $submission['email_subscription'] ) ? 'Yes' : 'No';
        $submission['terms_and_conditions_agree'] = ( 'y' == $submission['agree'] ) ? 'Yes' : 'No';

        $body = nl2br( $options['body'] );
        foreach ( $submission as $key => $val) {
        	if ( is_scalar( $val ) ) {
		        $val = esc_html( $val );
		        $body = str_replace( "{{$key}}", $val, $body );
	        }
        }

        add_filter( 'wp_mail_content_type', function () { return 'text/html'; } );
        return wp_mail( $emails, $subject, $body );
    }

    protected function _display_json( $data ) {
        die( json_encode( $data ) );
    }

    protected function prepere_date( $date ) {
        /* dd.mm.yyyy */
        $date = explode( '.', $date );
        return sprintf( "%04d-%02d-%02d", $date[2], $date[1], $date[0] );
    }

    protected function clear_empty( array &$data ) {
        foreach ( $data as  $key => $val ) {
            if ( null === $val || '' === $val ) {
                unset( $data[$key] );
            }
        }
    }

    public function exec_cron_job() {
    	die( '' );
    	$data = FQP\DB::get_submission( 246 );
		static::zoho_export( $data );
    }

    protected function zoho_log( $message, $is_error = false ) {
	    $file = WP_CONTENT_DIR . '/zoho.log';
	    $fh = fopen( $file, 'a' );
	    if ( $fh ) {
	    	if ( ! is_array( $message ) ) {
	    		$message = [ $message ];
		    }
		    foreach ( $message as $string ) {
			    if ( $string === PHP_EOL ) {
				    $string = '--------------------------------------------------------------------------------'
				            . PHP_EOL
				            . PHP_EOL;
			    } else {
				    $string = date('Y:m:d H:i:s - ') . ( ( $is_error ) ? 'ERROR - ' : '') . $string . PHP_EOL;
			    }
			    fwrite( $fh, $string );
		    }
	    }
	    fclose( $fh );
    }

    protected function zoho_export( $data ) {
    	if ( ! $data ) {
    		static::zoho_log( [ 'Data is empty!', PHP_EOL ], true );
    		return;
	    }

	    global $wpdb;

	    static::zoho_log( "Export Submission ID {$data['ID']}" );

    	try {

    		// перевіряємо чи є екаунт
    		$criteria = [ 'criteria' => "(Account Name:{$data['company_name']})" ];
		    $account = FQP\ZOHO::request( FQP\ZOHO::MODULE_ACCOUNTS, FQP\ZOHO::METHOD_SEARCH_RECORDS, $criteria );
		    if ( false !== ( $error = FQP\ZOHO::get_error_message( $account ) ) ) {
			    static::zoho_log( [ $error, PHP_EOL ], true );
			    return;
		    }
		    $account_id = null;
		    if ( ! empty( $account['response']['result']['Accounts']['row'] ) ) {
			    if ( array_key_exists( 'FL', $account['response']['result']['Accounts']['row'] ) ) {
				    if ( $account['response']['result']['Accounts']['row']['FL']['Account Name'] == $data['company_name'] ) {
					    $account_id = $account['response']['result']['Accounts']['row']['FL']['ACCOUNTID'];
				    }
			    } else {
				    foreach ( $account['response']['result']['Accounts']['row'] as $row ) {
					    if ( $row['FL']['Account Name'] == $data['company_name'] ) {
						    $account_id = $row['FL']['ACCOUNTID'];
						    break;
					    }
				    }
			    }
		    }

		    // якщо не знайшли екаунт, то треба створити його
		    if ( null === $account_id ) {
			    $account = FQP\ZOHO::request( FQP\ZOHO::MODULE_ACCOUNTS, FQP\ZOHO::METHOD_INSERT_RECORDS, $data );
			    if ( false !== ( $error = FQP\ZOHO::get_error_message( $account ) ) ) {
				    static::zoho_log( [ $error, PHP_EOL ], true );
				    return;
			    }
			    $account_id = @$account['response']['result']['recorddetail']['FL']['Id'];
			    if ( ! $account_id ) {
				    static::zoho_log( [ 'Can\'t Find Zoho Account ID: ' . print_r( $account, true ), PHP_EOL ], true );
				    return;
			    } else {
				    static::zoho_log( "Created Zoho Account ID: {$account_id}" );
			    }
		    } else {
			    static::zoho_log( "Use Zoho Account ID: {$account_id}" );
		    }
		    $wpdb->update(
			    DB::get_table_name('submission'),
			    [ 'zoho_account_id' => $account_id ],
			    [ 'ID' => $data['ID']]
		    );

		    // вибираємо екаунт по ID
		    $criteria = [ 'id' => $account_id ];
		    $account = FQP\ZOHO::request( FQP\ZOHO::MODULE_ACCOUNTS, FQP\ZOHO::METHOD_GET_RECORD_BY_ID, $criteria );
		    if ( false !== ( $error = FQP\ZOHO::get_error_message( $account ) ) ) {
			    static::zoho_log( [ $error, PHP_EOL ], true );
			    return;
		    }
		    $account_name = @$account['response']['result']['Accounts']['row']['FL']['Account Name'];
		    if ( ! $account_name ) {
			    static::zoho_log( [ 'Can\'t Find Zoho Account Name: ' . print_r( $account, true ), PHP_EOL ], true );
			    return;
		    }
		    $data['company_name'] = $account_name;

		    // перевіряємо чи є контакт
		    $criteria = [ 'criteria' => "(Email:{$data['email']})" ];
		    $contact = FQP\ZOHO::request( FQP\ZOHO::MODULE_CONTACTS, FQP\ZOHO::METHOD_SEARCH_RECORDS, $criteria );
		    if ( false !== ( $error = FQP\ZOHO::get_error_message( $contact ) ) ) {
			    static::zoho_log( [ $error, PHP_EOL ], true );
			    return;
		    }
		    $contact_id = null;
		    if ( ! empty( $contact['response']['result']['Contacts']['row'] ) ) {
			    if ( array_key_exists( 'FL', $contact['response']['result']['Contacts']['row'] ) ) {
				    if ( $contact['response']['result']['Contacts']['row']['FL']['Last Name'] == $data['last_name'] ) {
					    $contact_id = $contact['response']['result']['Contacts']['row']['FL']['CONTACTID'];
				    }
			    } else {
				    foreach ( $contact['response']['result']['Contacts']['row'] as $row ) {
					    if ( $row['FL']['Last Name'] == $data['last_name'] ) {
						    $contact_id = $row['FL']['CONTACTID'];
						    break;
					    }
				    }
			    }
		    }
		    // якщо не знайшли контакт, то треба створити його
		    if ( null === $contact_id ) {
			    $contact = FQP\ZOHO::request( FQP\ZOHO::MODULE_CONTACTS, FQP\ZOHO::METHOD_INSERT_RECORDS, $data );
			    if ( false !== ( $error = FQP\ZOHO::get_error_message( $contact ) ) ) {
				    static::zoho_log( [ $error, PHP_EOL ], true );
				    return;
			    }
			    $contact_id = @$contact['response']['result']['recorddetail']['FL']['Id'];
			    if ( ! $contact_id ) {
				    static::zoho_log( [ 'Can\'t Find Zoho Contact ID: ' . print_r( $contact, true ), PHP_EOL ], true );
				    return;
			    } else {
				    static::zoho_log( "Created Zoho Contact ID: {$contact_id}" );
			    }
		    } else {
			    static::zoho_log( "Use Zoho Contact ID: {$contact_id}" );
		    }
		    $wpdb->update(
			    DB::get_table_name('submission'),
			    [ 'zoho_contact_id' => $contact_id ],
			    [ 'ID' => $data['ID']]
		    );


		    $data['zoho_account_id'] = $account_id;
		    $data['zoho_contact_id'] = $contact_id;
		    $deal = FQP\ZOHO::request( FQP\ZOHO::MODULE_DEALS, FQP\ZOHO::METHOD_INSERT_RECORDS, $data );
		    if ( false !== ( $error = FQP\ZOHO::get_error_message( $deal ) ) ) {
			    static::zoho_log( [ $error, PHP_EOL ], true );
			    return;
		    }
		    $deal_id = $deal['response']['result']['recorddetail']['FL']['Id'];
		    if ( ! $deal_id ) {
			    static::zoho_log( [ 'Can\'t Find Zoho Deal ID: ' . print_r( $deal, true ), PHP_EOL ], true );
			    return;
		    } else {
			    static::zoho_log( "Created Zoho Deal ID: {$deal_id}" );

			    $wpdb->update(
				    DB::get_table_name('submission'),
				    [ 'zoho_deal_id' => $deal_id ],
				    [ 'ID' => $data['ID']]
			    );
		    }

		    static::zoho_log( PHP_EOL );

		} catch (Exception $e) {
			static::zoho_log( [ $e->getMessage(), PHP_EOL ], true );
		}
    }

}