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

namespace App\Import\Providers;

use App\Factory\ClientFactory;
use App\Factory\ExpenseFactory;
use App\Factory\InvoiceFactory;
use App\Factory\PaymentFactory;
use App\Factory\ProductFactory;
use App\Factory\VendorFactory;
use App\Http\Requests\Client\StoreClientRequest;
use App\Http\Requests\Expense\StoreExpenseRequest;
use App\Http\Requests\Invoice\StoreInvoiceRequest;
use App\Http\Requests\Payment\StorePaymentRequest;
use App\Http\Requests\Product\StoreProductRequest;
use App\Http\Requests\Vendor\StoreVendorRequest;
use App\Import\ImportException;
use App\Import\Providers\BaseImport;
use App\Import\Providers\ImportInterface;
use App\Import\Transformer\Csv\ClientTransformer;
use App\Import\Transformer\Csv\ExpenseTransformer;
use App\Import\Transformer\Csv\InvoiceTransformer;
use App\Import\Transformer\Csv\PaymentTransformer;
use App\Import\Transformer\Csv\ProductTransformer;
use App\Import\Transformer\Csv\VendorTransformer;
use App\Repositories\ClientRepository;
use App\Repositories\ExpenseRepository;
use App\Repositories\InvoiceRepository;
use App\Repositories\PaymentRepository;
use App\Repositories\ProductRepository;
use App\Repositories\VendorRepository;
use Illuminate\Support\Facades\Validator;
use Symfony\Component\HttpFoundation\ParameterBag;

class Csv extends BaseImport implements ImportInterface
{
    public array $entity_count = [];

    public function import(string $entity)
    {
        if (
            in_array($entity, [
                'client',
                'product',
                'invoice',
                'payment',
                'vendor',
                'expense',
            ])
        ) {
            $this->{$entity}();
        }

        //collate any errors

        $this->finalizeImport();
    }

    public function client()
    {
        $entity_type = 'client';

        $data = $this->getCsvData($entity_type);

        $data = $this->preTransform($data, $entity_type);

        if (empty($data)) {
            $this->entity_count['clients'] = 0;
            return;
        }

        $this->request_name = StoreClientRequest::class;
        $this->repository_name = ClientRepository::class;
        $this->factory_name = ClientFactory::class;

        $this->repository = app()->make($this->repository_name);
        $this->repository->import_mode = true;

        $this->transformer = new ClientTransformer($this->company);

        $client_count = $this->ingest($data, $entity_type);

        $this->entity_count['clients'] = $client_count;
    }

    public function product()
    {
        $entity_type = 'product';

        $data = $this->getCsvData($entity_type);

        $data = $this->preTransform($data, $entity_type);

        if (empty($data)) {
            $this->entity_count['products'] = 0;
            return;
        }

        $this->request_name = StoreProductRequest::class;
        $this->repository_name = ProductRepository::class;
        $this->factory_name = ProductFactory::class;

        $this->repository = app()->make($this->repository_name);
        $this->repository->import_mode = true;

        $this->transformer = new ProductTransformer($this->company);

        $product_count = $this->ingest($data, $entity_type);

        $this->entity_count['products'] = $product_count;
    }

    public function invoice()
    {
        $entity_type = 'invoice';

        $data = $this->getCsvData($entity_type);

        $data = $this->preTransform($data, $entity_type);

        if (empty($data)) {
            $this->entity_count['invoices'] = 0;
            return;
        }

        $this->request_name = StoreInvoiceRequest::class;
        $this->repository_name = InvoiceRepository::class;
        $this->factory_name = InvoiceFactory::class;

        $this->repository = app()->make($this->repository_name);
        $this->repository->import_mode = true;

        $this->transformer = new InvoiceTransformer($this->company);

        $invoice_count = $this->ingestInvoices($data, 'invoice.number');

        $this->entity_count['invoices'] = $invoice_count;
    }

    public function payment()
    {
        $entity_type = 'payment';

        $data = $this->getCsvData($entity_type);

        $data = $this->preTransform($data, $entity_type);

        if (empty($data)) {
            $this->entity_count['payments'] = 0;
            return;
        }

        $this->request_name = StorePaymentRequest::class;
        $this->repository_name = PaymentRepository::class;
        $this->factory_name = PaymentFactory::class;

        $this->repository = app()->make($this->repository_name);
        $this->repository->import_mode = true;

        $this->transformer = new PaymentTransformer($this->company);

        $payment_count = $this->ingest($data, $entity_type);

        $this->entity_count['payments'] = $payment_count;
    }

    public function vendor()
    {
        $entity_type = 'vendor';

        $data = $this->getCsvData($entity_type);

        $data = $this->preTransform($data, $entity_type);

        if (empty($data)) {
            $this->entity_count['vendors'] = 0;
            return;
        }

        $this->request_name = StoreVendorRequest::class;
        $this->repository_name = VendorRepository::class;
        $this->factory_name = VendorFactory::class;

        $this->repository = app()->make($this->repository_name);
        $this->repository->import_mode = true;

        $this->transformer = new VendorTransformer($this->company);

        $vendor_count = $this->ingest($data, $entity_type);

        $this->entity_count['vendors'] = $vendor_count;
    }

    public function expense()
    {
        $entity_type = 'expense';

        $data = $this->getCsvData($entity_type);

        $data = $this->preTransform($data, $entity_type);

        if (empty($data)) {
            $this->entity_count['expenses'] = 0;
            return;
        }

        $this->request_name = StoreExpenseRequest::class;
        $this->repository_name = ExpenseRepository::class;
        $this->factory_name = ExpenseFactory::class;

        $this->repository = app()->make($this->repository_name);
        $this->repository->import_mode = true;

        $this->transformer = new ExpenseTransformer($this->company);

        $expense_count = $this->ingest($data, $entity_type);

        $this->entity_count['expenses'] = $expense_count;        
    }

    public function quote()
    {

    }

    public function task()
    {
        
    }

    public function preTransform(array $data, $entity_type)
    {
        if (empty($this->column_map[$entity_type])) {
            return false;
        }

        if ($this->skip_header) {
            array_shift($data);
        }

        //sort the array by key
        $keys = $this->column_map[$entity_type];
        ksort($keys);

        $data = array_map(function ($row) use ($keys) {
            return array_combine($keys, array_intersect_key($row, $keys));
        }, $data);

        return $data;
    }

    public function transform(array $data)
    {
    }
}