<?php

namespace UkrSolution\WpLabelsPrinting4\LabelDataMakers;

use Com\Tecnick\Barcode\Exception;
use UkrSolution\WpLabelsPrinting4\Exceptions\LabelGenerationError;

class General extends Base
{
    protected function getFileOptions($itemData)
    {
        return array(
            'quantity' => 1,
            'replacements' => $this->getTemplateReplacements($itemData, $this->templateShortcodesArgs),
        );
    }

    protected function getCodeField($post)
    {
        if ($this->activeTemplate->code_match) {
            return $this->getCodeValue($post, $this->activeTemplate->single_product_code);
        } else {
            return isset($this->data['lineBarcode']) ? $this->getField($post, $this->data['lineBarcode']) : '';
        }
    }

    protected function getCodeValue($post, $template)
    {
        $this->extractTemplateShortcodes($template, $this->barcodeTemplateShortcodesArgs);
        $shortCodesReplacements = $this->getTemplateReplacements($post, $this->barcodeTemplateShortcodesArgs);

        $html = $template;
        foreach ($shortCodesReplacements as $shortCode => $replacement) {
            $html = str_replace($shortCode, $replacement, $html);
        }

        return $html;
    }

    protected function getField($post, &$field)
    {
        $this->registerShortcodeClass($field['type']);
        $value = '';
        $field['profile'] = $this->profile;
        $value = apply_filters('uslp_get_shortcode_value_hook', $value, $field['type'], $post, $field);
        $fieldName = apply_filters('uslp_generator_get_shortcode_name_hook', $value, $field['type'], $post, $field);

        $value = $this->prepareFieldValue($fieldName, $value, $field);

        return (string) $value;
    }

    public function getTemplateReplacements($post, $shortcodesArgs)
    {
        $replacements = new \ArrayObject();

        foreach ($shortcodesArgs as $shortCode => $args) {
            try {
                $replacements[$shortCode] = $this->getShortcodeFieldValue($post, $args);
            } catch (LabelGenerationError $e) {
                $replacements[$shortCode] = '';
                $replacements['barcode_error_message'] = $e->getMessage();
            }
        }

        return $replacements;
    }

    protected function getShortcodeFieldValue($post, $args)
    {
        $result = '';
        $args['value'] = isset($args['value']) ? $args['value'] : '';

        $argsValues = 'static' !== $args['type'] ? explode('|', $args['value']) : array($args['value']);

        foreach ($argsValues as $argsValue) {
            if (0 === strpos($argsValue, 'parent.')) {
                $post = !empty($post->post_parent) ? get_post($post->post_parent) : $post;
                $argsValue = str_replace('parent.', '', $argsValue);
            }

            $field = array('type' => $args['type'], 'value' => $argsValue, 'args' => $args);

            switch ($args['type']) {
                default:
                    $text = $this->getField($post, $field);
                    break;
            }

            $text = $this->round($text, $field);

            if (!empty($text)) {
                $texts[] = $text;
                $result = implode(' ', $texts);

                if (!empty($args['before'])) {
                    $result = $args['before'] . $result;
                }

                if (!empty($args['after'])) {
                    $result = $result . $args['after'];
                }

                break;
            }
        }

        $result = $this->convertValueToBarcodeImageUrlIfNeed($field, $result);

        return $result;
    }

    public function prepareFieldValue($fieldName, $value, $field)
    {
        if (!empty($field['args']['barcode-image-url']) || !empty($field['args']['barcode-image'])) {
            return $value;
        }

        if (empty($field['args']['isMatching'])) {
            return $value;
        }


        if ($this->profile->displayFieldName) {
            $value = '<span class="field_value">'.$value.'</span>';

            if (!empty($fieldName) && !empty($value)) {
                $value = '<span class="field_name">' . $fieldName . ': </span>' . $value;
            }
        }

        return $value;
    }

    public function round($value, &$field)
    {
        if (
            is_plugin_active('woocommerce/woocommerce.php')
            && false !== strpos($value, wc_get_price_decimal_separator())
        ) {
            $tmpValue = str_replace(wc_get_price_decimal_separator(), '.', $value);
        } else {
            $tmpValue = $value;
        }

        if (isset($field['args']['round-number']) && 'true' === $field['args']['round-number'] && is_numeric($tmpValue)) {
            unset($field['args']['round-number']);
            $result = round((float)$tmpValue);
        } else {
            $result = $value;
        }

        return $result;
    }
}