<?php

namespace Modules\Subscription\Services;

use Carbon\Carbon;
use Cache;

class PaypalPaymentService
{
    protected $apiBaseUrl;
    protected $accessToken;

    public function __construct()
    {   
        $this->apiBaseUrl = 'https://api-m.paypal.com'; // live
        //$this->apiBaseUrl = 'https://api-m.sandbox.paypal.com'; // sandbox
    }

    private function makeAccessToken() {

        $credential = getPaymentInfoViaSellerId(1, 3);

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->apiBaseUrl.'/v1/oauth2/token');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, "grant_type=client_credentials");
        curl_setopt($ch, CURLOPT_USERPWD, $credential->perameter_2 . ':' . $credential->perameter_3);

        $headers = array();
        $headers[] = 'Content-Type: application/x-www-form-urlencoded';
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $result = curl_exec($ch);
        curl_close($ch);

        $result = json_decode($result);
        if (!empty($result->access_token)) {
            $this->accessToken = $result->access_token;
            return true;
        }

        return false;
    }


    public function createSubscription($post_data)
    {   
        if(!$this->makeAccessToken()){
            return false;
        }

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->apiBaseUrl.'/v1/billing/subscriptions');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

        $headers = array();
        $headers[] = 'Content-Type: application/json';
        $headers[] = 'Authorization: Bearer '.$this->accessToken;
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $result = json_decode(curl_exec($ch));
        if (curl_errno($ch)) {
            $response->msg = curl_error($ch);
            curl_close($ch);
            return $response;
        }
        curl_close($ch);

        return $result;
    }

    public function updateSubscription($subscription_id, $trial_days)
    {   
        if(!$this->makeAccessToken()){
            return false;
        }

       
        $post_data = json_encode([
            [
                'op' => 'replace',
                'path' => '/start_time',
                'value' => Carbon::now()->addDays($trial_days)->toDateTimeString()
            ]
        ]);

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->apiBaseUrl.'/v1/billing/subscriptions/'.$subscription_id);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PATCH');
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

        $headers = array();
        $headers[] = 'Content-Type: application/json';
        $headers[] = 'Authorization: Bearer '.$this->accessToken;
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $result = json_decode(curl_exec($ch));
        if (curl_errno($ch)) {
            $response->msg = curl_error($ch);
            curl_close($ch);
            return $response;
        }
        curl_close($ch);

        return $result;
    }

    public function showSubscription($subscription_id)
    {   
        if(!$this->makeAccessToken()){
            return false;
        }

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->apiBaseUrl.'/v1/billing/subscriptions/'.$subscription_id);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

        $headers = array();
        $headers[] = 'Content-Type: application/json';
        $headers[] = 'Authorization: Bearer '.$this->accessToken;
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $result = json_decode(curl_exec($ch));
        if (curl_errno($ch)) {
            $response->msg = curl_error($ch);
            curl_close($ch);
            return $response;
        }
        curl_close($ch);

        return $result;
    }

    public function activateSubscription($subscription_id)
    {   
        if(!$this->makeAccessToken()){
            return false;
        }

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->apiBaseUrl.'/v1/billing/subscriptions/'.$subscription_id.'/activate');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(['reason' => 'Approve Subscription']));

        $headers = array();
        $headers[] = 'Content-Type: application/json';
        $headers[] = 'Authorization: Bearer '.$this->accessToken;
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $result = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        if ((int) $httpCode === 204) {
            return true;
        }
        return json_decode($result);
    }

    public function cancelSubscription($subscription_id)
    {   
        if(!$this->makeAccessToken()){
            return false;
        }

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->apiBaseUrl.'/v1/billing/subscriptions/'.$subscription_id.'/cancel');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(['reason' => 'Upgrade or Downgrade Subscription']));

        $headers = array();
        $headers[] = 'Content-Type: application/json';
        $headers[] = 'Authorization: Bearer '.$this->accessToken;
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $result = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        if ((int) $httpCode === 204) {
            return true;
        }
        return false;
    }

    public function showPayment($payment_id)
    {   
        if(!$this->makeAccessToken()){
            return false;
        }

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->apiBaseUrl.'/v2/payments/captures/'.$payment_id);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

        $headers = array();
        $headers[] = 'Content-Type: application/json';
        $headers[] = 'Authorization: Bearer '.$this->accessToken;
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $result = json_decode(curl_exec($ch));
        if (curl_errno($ch)) {
            $response->msg = curl_error($ch);
            curl_close($ch);
            return $response;
        }
        curl_close($ch);

        return $result;
    }

    public function createProduct($title,$type)
    {   
        if(!$this->makeAccessToken()){
            return false;
        }

        $post_data = json_encode([
            'name' => $title,
            'type' => $type
        ]);

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->apiBaseUrl.'/v1/catalogs/products');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

        $headers = array();
        $headers[] = 'Content-Type: application/json';
        $headers[] = 'Authorization: Bearer '.$this->accessToken;
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $result = json_decode(curl_exec($ch));
        if (curl_errno($ch)) {
            $response->msg = curl_error($ch);
            curl_close($ch);
            return $response;
        }
        curl_close($ch);

        return $result;
    }

    public function createProductPrice($product, $data)
    {   
        if(!$this->makeAccessToken()){
            return false;
        }

        $custom_intervals = [
            'Months' => 'Month',
            'Years' => 'Year'
        ];

        $post_data = json_encode([
            'product_id' => $product->paypal_product_id,
            'name' => $product->title.' - '.$data['custom_interval'].' '.$data['custom_interval_type']. ( $data['payment'] == 'monthly' ? ' ($'.number_format($data['price'] / $data['custom_interval'],2).' per month)' : '($'.number_format($data['price'],2).')'),
            'status' => 'ACTIVE',
            'billing_cycles' => [
                [   
                    'frequency' => [
                        'interval_unit' => $data['payment'] == 'monthly' ? 'MONTH' : 'YEAR',
                        'interval_count' => 1
                    ],
                    'tenure_type' => 'REGULAR',
                    'sequence' => 1,
                    'total_cycles' => ($data['payment'] == 'upfront' ? 0 : $data['custom_interval']),
                    'pricing_scheme' => [
                        'fixed_price' => [
                            'currency_code' => getCurrencyCode(),
                            'value' => $data['payment'] == 'monthly' ?  number_format($data['price'] / $data['custom_interval'], 2, '.', '') :  number_format($data['price'], 2, '.', '')
                        ]
                    ],
                ]
            ],
            'payment_preferences' => [
                'setup_fee_failure_action' => 'CONTINUE'
            ]
        ]);

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->apiBaseUrl.'/v1/billing/plans');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

        $headers = array();
        $headers[] = 'Content-Type: application/json';
        $headers[] = 'Authorization: Bearer '.$this->accessToken;
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $result = json_decode(curl_exec($ch));
        if (curl_errno($ch)) {
            $response->msg = curl_error($ch);
            curl_close($ch);
            return $response;
        }
        curl_close($ch);

        return $result;
    }

    public function createProductPriceWithDiscount($planPrice, $duration, $discounted_price_monthly, $discounted_price_all, $payment_details)
    {   
        if(!$this->makeAccessToken()){
            return false;
        }

        $custom_intervals = [
            'Months' => 'Month',
            'Years' => 'Year'
        ];

        $post_data = [
            'product_id' => $planPrice->plan->paypal_product_id,
            'name' => $payment_details,
            'status' => 'ACTIVE',
            'payment_preferences' => [
                'setup_fee_failure_action' => 'CONTINUE'
            ]
        ];

        if($duration == 'Once' && $planPrice->payment == 'monthly'){

            $post_data['billing_cycles'] = [
                [   
                    'frequency' => [
                        'interval_unit' => $custom_intervals[$planPrice->custom_interval_type],
                        'interval_count' => ($planPrice->payment != 'upfront' ? 1 : $planPrice->custom_interval)
                    ],
                    'tenure_type' => 'TRIAL',
                    'sequence' => 1,
                    'total_cycles' => 1,
                    'pricing_scheme' => [
                        'fixed_price' => [
                            'currency_code' => getCurrencyCode(),
                            'value' => (float)($planPrice->payment == 'monthly' ? $discounted_price_monthly : $discounted_price_all)
                        ]
                    ],
                ],
                [   
                    'frequency' => [
                        'interval_unit' => $custom_intervals[$planPrice->custom_interval_type],
                        'interval_count' => ($planPrice->payment != 'upfront' ? 1 : $planPrice->custom_interval)
                    ],
                    'tenure_type' => 'REGULAR',
                    'sequence' => 2,
                    'total_cycles' => ($planPrice->custom_interval - 1),
                    'pricing_scheme' => [
                        'fixed_price' => [
                            'currency_code' => getCurrencyCode(),
                            'value' => (float)($planPrice->price / $planPrice->custom_interval)
                        ]
                    ],
                ]
            ];

        } else {

            $post_data['billing_cycles'] = [
                [   
                    'frequency' => [
                        'interval_unit' => $custom_intervals[$planPrice->custom_interval_type],
                        'interval_count' => ($planPrice->payment != 'upfront' ? 1 : $planPrice->custom_interval)
                    ],
                    'tenure_type' => 'REGULAR',
                    'sequence' => 1,
                    'total_cycles' => ($planPrice->payment == 'upfront' ? 1 : $planPrice->custom_interval),
                    'pricing_scheme' => [
                        'fixed_price' => [
                            'currency_code' => getCurrencyCode(),
                            'value' => ($planPrice->payment == 'monthly' ? $discounted_price_monthly : $discounted_price_all)
                        ]
                    ],
                ]
            
            ];
        }

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->apiBaseUrl.'/v1/billing/plans');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($post_data,true));

        $headers = array();
        $headers[] = 'Content-Type: application/json';
        $headers[] = 'Authorization: Bearer '.$this->accessToken;
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $result = json_decode(curl_exec($ch));
        if (curl_errno($ch)) {
            $response->msg = curl_error($ch);
            curl_close($ch);
            return $response;
        }
        curl_close($ch);

        return $result;
    }

    public function updateProductPrice($price,$data)
    {
        //lets archive first the price then create new one
        //$this->archivePrice($price->stripe_price_id);
        return $this->createProductPrice($price->plan,$data);  
    }

    
}