<?php
namespace BitCode\BitForm\Core\Util;

/**
 * Helps to relpicate form information for form duplication or export
 *
 */
final class FormDuplicateHelper
{
    /**
     * Create replica
     *
     * @param Array          $data      Data to replicate
     * @param Integer        $oldFormId Id of the form which will be replicated
     * @param Integer|String $newFormId Id of the new form
     *
     * @return $formData Replicated data
     */
    public static function createReplica($data, $oldFormId, $newFormId)
    {
        $new_lay_fields = static::genarateNewLayoutNField($data['form_content']['layout'], $data['form_content']['fields'], $oldFormId, $newFormId);
        $formName = $data['form_name'];
        $formData = (object)[];
        $formData->form_id = $newFormId;
        $formData->fields = (object) $new_lay_fields['fields'];
        $formData->layout = $new_lay_fields['layout'];
        $formData->form_name = $formName;

        if (isset($data['formSettings'])) {
            $formSettings = (array) (!is_string($data['formSettings']) ? $data['formSettings'] : json_decode($data['formSettings']));

            if (isset($formSettings['confirmation'])) {
                $confirmation = !is_string($formSettings['confirmation']) ? json_encode($formSettings['confirmation']) : $formSettings['confirmation'];
                $formSettings['confirmation'] = json_decode(\preg_replace('/(\${bf?)(\d+)([- \d]+\})/', '${1}'.$newFormId.'$3', $confirmation));
            }

            if (isset($formSettings['integrations'])) {
                $integrations = !is_string($formSettings['integrations']) ? json_encode($formSettings['integrations']) : $formSettings['integrations'];
                $integrations = \preg_replace('/(\${bf?)(\d+)([- \d]+\})/', '${1}'.$newFormId.'$3', $integrations);
                $formSettings['integrations'] = json_decode(\preg_replace('/(\"formField\"\s*\:\s*\"bf?)(\d+)([- \d]+)/', '${1}'.$newFormId.'$3', $integrations));
            }

            if (isset($formSettings['mailTem'])) {
                $mailTem = !is_string($formSettings['mailTem']) ? json_encode($formSettings['mailTem']) : $formSettings['mailTem'];
                $formSettings['mailTem'] = json_decode(\preg_replace('/(\${bf?)(\d+)([- \d]+\})/', '${1}'.$newFormId.'$3', $mailTem));
                $formData->formSettings = (object)$formSettings;
            }
        }

        if (isset($data['workFlows'])) {
            $workFlows = !is_string($data['workFlows']) ? \json_encode($data['workFlows']) : $data['workFlows'];
            $workFlows = \preg_replace('/(\${bf?)(\d+)([- \d]+\})/', '${1}'.$newFormId.'$3', $workFlows);
            $workFlows = json_decode(\preg_replace('/(\"bf?)(\d+)([- \d]+\")/', '${1}'.$newFormId.'$3', $workFlows));
            $formData->workFlows = $workFlows;
        }

        if (isset($data['reports'])) {
            $reports = !is_string($data['reports']) ? \json_encode($data['reports']) : $data['reports'];
            $reports = json_decode(\preg_replace("/(\"bf?)(\d+)([- \d]+\")/", '${1}'.$newFormId.'$3', $reports));
            $formData->reports = $reports;
        }

        if (isset($data['additional'])) {
            $formData->additional = $data['additional'];
        }

        return $formData;
    }

    public static function genarateNewLayoutNField($layout, $fields, $oldId, $newId)
    {
        $newField = (object) [];
        foreach ((array)$layout->lg as $ind => $itm) {
            $fld_tmp = $fields->{$layout->lg[$ind]->i};
            $layout->lg[$ind]->i = str_replace("bf$oldId-", "bf$newId-", $layout->lg[$ind]->i);
            $layout->md[$ind]->i = str_replace("bf$oldId-", "bf$newId-", $layout->md[$ind]->i);
            $layout->sm[$ind]->i = str_replace("bf$oldId-", "bf$newId-", $layout->sm[$ind]->i);
            $newField->{$layout->lg[$ind]->i} = json_decode(str_replace("bf$oldId-", "bf$newId-", wp_json_encode($fld_tmp)));
        }
        return ['layout' => $layout, 'fields' => $newField];
    }

    public static function calcRowHeight($formStyle, $formID)
    {
        $rowHeight = 0;
        preg_match('/fld-lbl-'.$formID.'\s*{[\w\-\(\)\!\;\,\s\:\.\#]*font-size\s*:\s*(\d+)[px|em|rem|!important]*;/', $formStyle, $fontSize);
        if ($fontSize) {
            $lineHeight = 1;
            preg_match('/fld-lbl-'.$formID.'\s*{[\w\-\(\)\!\;\,\s\:\#]*line-height\s*:\s*([.\d]+)[!important]*;/', $formStyle, $lineHeightMatched);
            if ($lineHeightMatched) {
                $lineHeight = $lineHeightMatched[1];
            }
            $rowHeight = $fontSize[1] * $lineHeight;
        }

        preg_match('/fld-wrp-'.$formID.'\s*{[\w\-\(\)\!\;\,\s\:\#]*padding\s*:\s*([\d\spx|em|rem|]+)[!important]*;/', $formStyle, $padding);
        if ($padding) {
            $rowHeight = $rowHeight + static::cssPropSumByAxis(explode(" ", preg_replace('/px|em|rem|!important/', "", $padding[1])), 'Y');
        }

        preg_match('/input.fld-'. $formID .'\s*,\s*textarea.fld-'. $formID .'\s*{[\w\-\(\)\!\;\,\s\:\#]*margin\s*:\s*([\d\spx|em|rem|]+)[!important]*;/', $formStyle, $margin);
        if ($margin) {
            $rowHeight = $rowHeight + static::cssPropSumByAxis(explode(" ", preg_replace('/px|em|rem|!important/', "", $margin[1])), 'Y');
        }
        preg_match('/input.fld-'. $formID .'\s*,\s*textarea.fld-'. $formID .'\s*{[\w\-\(\)\!\;\,\s\:\#]*[^line\-height]height\s*:\s*([\d\s]+)[px|em|rem|!important]*;/', $formStyle, $height);
        if ($height) {
            $rowHeight = $rowHeight + $height[1];
        } else {
            $rowHeight = $rowHeight + 40;
        }

        return $rowHeight / 2;
    }

    public static function cssPropSumByAxis($value, $axis)
    {
        if (count($value) === 1) {
            $value = array_fill(0, 4, $value[0]);
        }

        if (count($value) === 2) {
            $value[] = $value[0];
            $value[] = $value[1];
        }

        if (count($value) === 3) {
            $value[] = $value[1];
        }
        if ($axis === 'X') {
            return intval($value[1]) + intval($value[3]);
        } else {
            return intval($value[0]) + intval($value[2]);
        }
    }
}