<?php
/**
 * client Ninja (https://clientninja.com).
 *
 * @link https://github.com/clientninja/clientninja source repository
 *
 * @copyright Copyright (c) 2022. client Ninja LLC (https://clientninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Import\Transformers\Csv;

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

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

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

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

        $transformed = [
            'company_id'        => $this->maps['company']->id,
            'number'            => $this->getString($invoice_data, 'invoice.number'),
            'user_id'           => $this->getString($invoice_data, 'invoice.user_id'),
            'amount'            => $amount = $this->getFloat($invoice_data, 'invoice.amount'),
            'balance'           => isset($invoice_data['invoice.balance']) ? $this->getFloat($invoice_data, 'invoice.balance') : $amount,
            'client_id'         => $this->getClient($this->getString($invoice_data, 'client.name'), $this->getString($invoice_data, 'client.email')),
            'discount'          => $this->getFloat($invoice_data, 'invoice.discount'),
            'po_number'         => $this->getString($invoice_data, 'invoice.po_number'),
            'date'              => isset($invoice_data['invoice.date']) ? date('Y-m-d', strtotime($invoice_data['invoice.date'])) : now()->format('Y-m-d'),
            'due_date'          => isset($invoice_data['invoice.due_date']) ? date('Y-m-d', strtotime($invoice_data['invoice.due_date'])) : null,
            'terms'             => $this->getString($invoice_data, 'invoice.terms'),
            'public_notes'      => $this->getString($invoice_data, 'invoice.public_notes'),
            // 'is_sent'           => $this->getString( $invoice_data, 'invoice.is_sent' ),
            'private_notes'     => $this->getString($invoice_data, 'invoice.private_notes'),
            'tax_name1'         => $this->getString($invoice_data, 'invoice.tax_name1'),
            'tax_rate1'         => $this->getFloat($invoice_data, 'invoice.tax_rate1'),
            'tax_name2'         => $this->getString($invoice_data, 'invoice.tax_name2'),
            'tax_rate2'         => $this->getFloat($invoice_data, 'invoice.tax_rate2'),
            'tax_name3'         => $this->getString($invoice_data, 'invoice.tax_name3'),
            'tax_rate3'         => $this->getFloat($invoice_data, 'invoice.tax_rate3'),
            'custom_value1'     => $this->getString($invoice_data, 'invoice.custom_value1'),
            'custom_value2'     => $this->getString($invoice_data, 'invoice.custom_value2'),
            'custom_value3'     => $this->getString($invoice_data, 'invoice.custom_value3'),
            'custom_value4'     => $this->getString($invoice_data, 'invoice.custom_value4'),
            'footer'            => $this->getString($invoice_data, 'invoice.footer'),
            'partial'           => $this->getFloat($invoice_data, 'invoice.partial'),
            'partial_due_date'  => $this->getString($invoice_data, 'invoice.partial_due_date'),
            'custom_surcharge1' => $this->getString($invoice_data, 'invoice.custom_surcharge1'),
            'custom_surcharge2' => $this->getString($invoice_data, 'invoice.custom_surcharge2'),
            'custom_surcharge3' => $this->getString($invoice_data, 'invoice.custom_surcharge3'),
            'custom_surcharge4' => $this->getString($invoice_data, 'invoice.custom_surcharge4'),
            'exchange_rate'     => $this->getString($invoice_data, 'invoice.exchange_rate'),
            'status_id'         => $invoiceStatusMap[$status =
                    strtolower($this->getString($invoice_data, 'invoice.status'))] ??
                Invoice::STATUS_SENT,
            // 'viewed'            => $status === 'viewed',
            'archived'          => $status === 'archived',
        ];

        if (isset($invoice_data['payment.amount'])) {
            $transformed['payments'] = [
                [
                    'date'                  => isset($invoice_data['payment.date']) ? date('Y-m-d', strtotime($invoice_data['payment.date'])) : date('y-m-d'),
                    'transaction_reference' => $this->getString($invoice_data, 'payment.transaction_reference'),
                    'amount'                => $this->getFloat($invoice_data, 'payment.amount'),
                ],
            ];
        } elseif ($status === 'paid') {
            $transformed['payments'] = [
                [
                    'date'                  => isset($invoice_data['payment.date']) ? date('Y-m-d', strtotime($invoice_data['payment.date'])) : date('y-m-d'),
                    'transaction_reference' => $this->getString($invoice_data, 'payment.transaction_reference'),
                    'amount'                => $this->getFloat($invoice_data, 'invoice.amount'),
                ],
            ];
        } elseif (isset($transformed['amount']) && isset($transformed['balance']) && ($transformed['amount'] != $transformed['balance'])) {
            $transformed['payments'] = [
                [
                    'date'                  => isset($invoice_data['payment.date']) ? date('Y-m-d', strtotime($invoice_data['payment.date'])) : date('y-m-d'),
                    'transaction_reference' => $this->getString($invoice_data, 'payment.transaction_reference'),
                    'amount'                => $transformed['amount'] - $transformed['balance'],
                ],
            ];
        }

        $line_items = [];
        foreach ($line_items_data as $record) {
            $line_items[] = [
                'quantity'           => $this->getFloat($record, 'item.quantity'),
                'cost'               => $this->getFloat($record, 'item.cost'),
                'product_key'        => $this->getString($record, 'item.product_key'),
                'notes'              => $this->getString($record, 'item.notes'),
                'discount'           => $this->getFloat($record, 'item.discount'),
                'is_amount_discount' => filter_var($this->getString($record, 'item.is_amount_discount'), FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE),
                'tax_name1'          => $this->getString($record, 'item.tax_name1'),
                'tax_rate1'          => $this->getFloat($record, 'item.tax_rate1'),
                'tax_name2'          => $this->getString($record, 'item.tax_name2'),
                'tax_rate2'          => $this->getFloat($record, 'item.tax_rate2'),
                'tax_name3'          => $this->getString($record, 'item.tax_name3'),
                'tax_rate3'          => $this->getFloat($record, 'item.tax_rate3'),
                'custom_value1'      => $this->getString($record, 'item.custom_value1'),
                'custom_value2'      => $this->getString($record, 'item.custom_value2'),
                'custom_value3'      => $this->getString($record, 'item.custom_value3'),
                'custom_value4'      => $this->getString($record, 'item.custom_value4'),
                'type_id'            => $this->getInvoiceTypeId($record, 'item.type_id'),
            ];
        }
        $transformed['line_items'] = $line_items;

        return $transformed;
    }
}