<?php

namespace TierPricingTable\Admin\Export;

use  TierPricingTable\PriceManager ;
use  WC_Product ;
/**
 * Class WooCommerce Export
 */
class Woocommerce
{
    /**
     * Export constructor.
     */
    public function __construct()
    {
        add_filter(
            'woocommerce_product_export_column_names',
            [ $this, 'addExportColumn' ],
            1,
            10
        );
        add_filter(
            'woocommerce_product_export_product_default_columns',
            [ $this, 'addExportColumn' ],
            1,
            10
        );
        add_filter(
            'woocommerce_product_export_product_column_tiered_price_fixed',
            [ $this, 'addExportFixedData' ],
            10,
            2
        );
        add_filter(
            'woocommerce_product_export_product_column_tiered_price_percentage',
            [ $this, 'addExportPercentageData' ],
            10,
            2
        );
    }
    
    /**
     * Register the 'Fixed tier price' column in the exporter.
     *
     * @param array $columns
     *
     * @return array $options
     */
    public function addExportColumn( $columns )
    {
        $columns['tiered_price_fixed'] = __( 'Fixed Tiered Prices', 'tier-pricing-table' );
        return $columns;
    }
    
    /**
     * Provide the data to be exported for one item in the column.
     *
     * @param WC_Product $product
     * @param string $type
     *
     * @return mixed $value
     */
    public function addExportData( $product, $type = 'fixed' )
    {
        
        if ( $type == 'percentage' ) {
            $tiered_pricing = PriceManager::getPercentagePriceRules( $product->get_id() );
        } else {
            $tiered_pricing = PriceManager::getFixedPriceRules( $product->get_id() );
        }
        
        $str = '';
        foreach ( $tiered_pricing as $quantity => $price ) {
            $str .= $quantity . ":" . $price . ",";
        }
        return ( mb_strlen( $str ) > 0 ? trim( $str, ',' ) : null );
    }
    
    /**
     * Export fixed pricing rules
     *
     * @param mixed $value
     * @param WC_product $product
     *
     * @return mixed
     */
    public function addExportFixedData( $value, $product )
    {
        return $this->addExportData( $product, 'fixed' );
    }
    
    /**
     * Export percentage pricing rules
     *
     * @param mixed $value
     * @param WC_product $product
     *
     * @return mixed
     */
    public function addExportPercentageData( $value, $product )
    {
        return $this->addExportData( $product, 'percentage' );
    }

}