<?php
/**
 * client Ninja (https://clientninja.com).
 *
 * @link https://github.com/clientninja/clientninja source repository
 *
 * @copyright Copyright (c) 2021. client Ninja LLC (https://clientninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Import\Transformers\Freshbooks;

use App\Import\ImportException;
use App\Import\Transformers\BaseTransformer;
use App\Models\Invoice;
use App\Utils\Number;

/**
 * Class InvoiceTransformer.
 */
class InvoiceTransformer extends BaseTransformer {
	/**
	 * @param $line_items_data
	 *
	 * @return bool|array
	 */
	public function transform( $line_items_data ) {
		$invoice_data = reset( $line_items_data );

		if ( $this->hasInvoice( $invoice_data['Invoice #'] ) ) {
			throw new ImportException( 'Invoice number already exists' );
		}

		$invoiceStatusMap = [
			'sent'  => Invoice::STATUS_SENT,
			'draft' => Invoice::STATUS_DRAFT,
		];

		$transformed = [
			'company_id'  => $this->maps['company']->id,
			'client_id'   => $this->getClient( $this->getString( $invoice_data, 'Client Name' ), null ),
			'number'      => $this->getString( $invoice_data, 'Invoice #' ),
			'date'        => isset( $invoice_data['Date Issued'] ) ? date( 'Y-m-d', strtotime( $invoice_data['Date Issued'] ) ) : null,
			'currency_id' => $this->getCurrencyByCode( $invoice_data, 'Currency' ),
			'amount'      => 0,
			'status_id'   => $invoiceStatusMap[ $status =
					strtolower( $this->getString( $invoice_data, 'Invoice Status' ) ) ] ?? Invoice::STATUS_SENT,
			'viewed'      => $status === 'viewed',
		];

		$line_items = [];
		foreach ( $line_items_data as $record ) {
			$line_items[]          = [
				'product_key'        => $this->getString( $record, 'Item Name' ),
				'notes'              => $this->getString( $record, 'Item Description' ),
				'cost'               => $this->getFloat( $record, 'Rate' ),
				'quantity'           => $this->getFloat( $record, 'Quantity' ),
				'discount'           => $this->getFloat( $record, 'Discount Percentage' ),
				'is_amount_discount' => false,
				'tax_name1'          => $this->getString( $record, 'Tax 1 Type' ),
				'tax_rate1'          => $this->getFloat( $record, 'Tax 1 Amount' ),
				'tax_name2'          => $this->getString( $record, 'Tax 2 Type' ),
				'tax_rate2'          => $this->getFloat( $record, 'Tax 2 Amount' ),
			];
			$transformed['amount'] += $this->getFloat( $record, 'Line Total' );
		}
		$transformed['line_items'] = $line_items;

		if ( ! empty( $invoice_data['Date Paid'] ) ) {
			$transformed['payments'] = [[
				'date'   => date( 'Y-m-d', strtotime( $invoice_data['Date Paid'] ) ),
				'amount' => $transformed['amount'],
			]];
		}

		return $transformed;
	}

	/** @return float  */
	public function getFloat($data, $field)
	{
        return Number::parseFloat($data[$field]);
	}
	
}