<?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\PaymentDrivers\Stripe;

use App\Exceptions\StripeConnectFailure;
use App\Factory\ClientContactFactory;
use App\Factory\ClientFactory;
use App\Factory\ClientGatewayTokenFactory;
use App\Models\Client;
use App\Models\ClientGatewayToken;
use App\Models\Country;
use App\Models\Currency;
use App\Models\GatewayType;
use App\PaymentDrivers\StripePaymentDriver;
use App\PaymentDrivers\Stripe\UpdatePaymentMethods;
use App\Utils\Ninja;
use App\Utils\Traits\GeneratesCounter;
use App\Utils\Traits\MakesHash;
use Stripe\Customer;
use Stripe\PaymentMethod;

class ImportCustomers
{
    use MakesHash;
    use GeneratesCounter;

    /** @var StripePaymentDriver */
    public $stripe;

    public $update_payment_methods;

    public function __construct(StripePaymentDriver $stripe)
    {
        $this->stripe = $stripe;

    }

    public function run()
    {

        $this->stripe->init();

        $this->update_payment_methods = new UpdatePaymentMethods($this->stripe);

        if(Ninja::isHosted() && strlen($this->stripe->company_gateway->getConfigField('account_id')) < 1)
            throw new StripeConnectFailure('Stripe Connect has not been configured');

        $starting_after = null;

        do {
        
            $customers = Customer::all(['limit' => 100, 'starting_after' => $starting_after], $this->stripe->stripe_connect_auth);

            foreach($customers as $customer)
            {
                $this->addCustomer($customer);
            }   

            $starting_after = end($customers->data)['id'];

        } while($customers->has_more);
    }

    private function addCustomer(Customer $customer)
    {

    $account = $this->stripe->company_gateway->company->account;
        
    if(!$account->isPaidHostedClient() && Client::where('company_id', $this->stripe->company_gateway->company_id)->count() > config('ninja.quotas.free.clients'))
        return;

        // nlog("search Stripe for {$customer->id}");

        $existing_customer_token = $this->stripe
                                  ->company_gateway
                                  ->client_gateway_tokens()
                                  ->where('gateway_customer_reference', $customer->id)
                                  ->first();

        if($existing_customer_token){
            nlog("Skipping - Customer exists: {$customer->email} just updating payment methods");
            $this->update_payment_methods->updateMethods($customer, $existing_customer_token->client);
        }

        if($customer->email && $this->stripe->company_gateway->company->client_contacts()->where('email', $customer->email)->exists()){
            nlog("Customer exists: {$customer->email} just updating payment methods");

            $this->stripe->company_gateway->company->client_contacts()->where('email', $customer->email)->each(function ($contact) use ($customer){

                $this->update_payment_methods->updateMethods($customer, $contact->client);
                
            });
            
            return;
        }

        // nlog("inserting a customer");
        //nlog($customer);
        
        $client = ClientFactory::create($this->stripe->company_gateway->company_id, $this->stripe->company_gateway->user_id);

        if($customer->address)
        {
            $client->address1 = $customer->address->line1 ? $customer->address->line1 : '';
            $client->address2 = $customer->address->line2 ? $customer->address->line2 : '';
            $client->city = $customer->address->city ? $customer->address->city : '';
            $client->state = $customer->address->state ? $customer->address->state : '';
            $client->phone =  $customer->address->phone ? $customer->phone : '';

            if($customer->address->country){

                $country = Country::where('iso_3166_2', $customer->address->country)->first();

                if($country)
                    $client->country_id = $country->id;

            }
        }

        if($customer->currency) {

            $currency = Currency::where('code', $customer->currency)->first();

            if($currency){

                $settings = $client->settings;
                $settings->currency_id = (string)$currency->id;
                $client->settings = $settings;

            }

        }

        $client->name = $customer->name ? $customer->name : $customer->email;

        if (!isset($client->number) || empty($client->number)) {
            $client->number = $this->getNextClientNumber($client);
        }
        
        $client->save();

        $contact = ClientContactFactory::create($client->company_id, $client->user_id);
        $contact->client_id = $client->id;
        $contact->first_name = $client->name ?: '';
        $contact->phone = $client->phone ?: '';
        $contact->email = $customer->email ?: '';
        $contact->save();            

        $this->update_payment_methods->updateMethods($customer, $client);
    }

    public function importCustomer($customer_id)
    {

        $this->stripe->init();

        $this->update_payment_methods = new UpdatePaymentMethods($this->stripe);

        if(strlen($this->stripe->company_gateway->getConfigField('account_id')) < 1)
                throw new StripeConnectFailure('Stripe Connect has not been configured');

        $customer = Customer::retrieve($customer_id, $this->stripe->stripe_connect_auth);

        if(!$customer)
            return;

        foreach($this->stripe->company_gateway->company->clients as $client)
        {
            if($client->present()->email() == $customer->email) {

                $this->update_payment_methods->updateMethods($customer, $client);
    
            }
        }

    }

    public function match()
    {
        $this->stripe->init();

        $this->update_payment_methods = new UpdatePaymentMethods($this->stripe);

        if(strlen($this->stripe->company_gateway->getConfigField('account_id')) < 1)
                throw new StripeConnectFailure('Stripe Connect has not been configured');

        foreach($this->stripe->company_gateway->company->clients as $client)
        {

            $searchResults = \Stripe\Customer::all([
                        "email" => $client->present()->email(),
                        "limit" => 2,
                        "starting_after" => null
            ],$this->stripe->stripe_connect_auth);

            // nlog(count($searchResults));
          
            if(count($searchResults) == 1)
            {

            $cgt = ClientGatewayToken::where('gateway_customer_reference', $searchResults->data[0]->id)->where('company_id', $this->stripe->company_gateway->company->id)->exists();

                if(!$cgt)
                {
                    nlog("customer ".$searchResults->data[0]->id. " does not exist.");

                    $this->update_payment_methods->updateMethods($searchResults->data[0], $client);

                }
            }
          
        }

    }
}