<?php

if (!defined('_PS_VERSION_')) {
    exit;
}

use PrestaShop\PrestaShop\Core\Payment\PaymentOption;

class B2BPayments extends PaymentModule implements PrestaShop\PrestaShop\Core\Module\WidgetInterface
{


    public $b2b_postpaid_group_id;
    public $b2b_prepaid_group_id;

    public $b2b_postpaid_payment_name;
    public $b2b_prepaid_payment_name;

    public function __construct()
    {
        $this->name = 'b2bpayments';
        $this->tab = 'payments_gateways';
        $this->version = '1.0.0';
        $this->author = 'panariga';
        $this->need_instance = 0;
        $this->bootstrap = true;

        parent::__construct();
        $this->bootstrap = true;
        $this->displayName = $this->trans('B2B Payments', [], 'Modules.B2bpayments.Admin');
        $this->description = $this->trans('Provides B2B payment options based on customer group.', [], 'Modules.B2bpayments.Admin');

        $this->confirmUninstall = $this->trans('Are you sure you want to uninstall?', [], 'Modules.B2bpayments.Admin');

        $this->b2b_prepaid_payment_name = $this->trans('B2B Prepaid Payment', [], 'Modules.B2bpayments.PaymentMethodName');
        $this->b2b_postpaid_payment_name = $this->trans('B2B Postpaid Payment', [], 'Modules.B2bpayments.PaymentMethodName');

        if (!Configuration::get('B2BPAYMENTS_POSTPAID_GROUP') || !Configuration::get('B2BPAYMENTS_PREPAID_GROUP')) {
            $this->warning = $this->trans('Please configure the B2B Postpaid and Prepaid customer groups.', [], 'Modules.B2bpayments.Admin');
        }
    }

    public function install()
    {
        if (
            !parent::install() ||
            !$this->registerHook('paymentOptions')
            //     ||     !$this->registerHook('displayCustomerAccount') 
            //  ||  !$this->registerHook('displayBeforeShoppingCartBlock') 
            ||   !$this->registerHook('DisplayOrderConfirmation')
        ) {
            return false;
        }

        return true;
    }

    public function uninstall()
    {
        if (
            !Configuration::deleteByName('B2BPAYMENTS_POSTPAID_GROUP') ||
            !Configuration::deleteByName('B2BPAYMENTS_PREPAID_GROUP') ||
            !parent::uninstall()
        ) {
            return false;
        }

        return true;
    }

    /**
     * Load the configuration form
     */
    public function getContent()
    {
        /**
         * If values have been submitted in the form, process.
         */
        if (((bool)Tools::isSubmit('submitB2BPaymentsModule')) == true) {
            $this->postProcess();
        }


        return  $this->renderForm();
    }

    /**
     * Create the form that will be displayed in the configuration of your module.
     */
    protected function renderForm()
    {
        $helper = new HelperForm();

        $helper->show_toolbar = false;
        $helper->table = $this->table;
        $helper->module = $this;
        $helper->default_form_language = $this->context->language->id;
        $helper->allow_employee_form_lang = Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG', 0);

        $helper->identifier = $this->identifier;
        $helper->submit_action = 'submitB2BPaymentsModule';
        $helper->currentIndex = $this->context->link->getAdminLink('AdminModules', false)
            . '&configure=' . $this->name . '&module_name=' . $this->name;
        $helper->token = Tools::getAdminTokenLite('AdminModules');

        $helper->tpl_vars = array(
            'fields_value' => $this->getConfigFormValues(), /* Add values for your inputs */
            'languages' => $this->context->controller->getLanguages(),
            'id_language' => $this->context->language->id,
        );

        return $helper->generateForm(array($this->getConfigForm()));
    }

    /**
     * Create the structure of the form.
     */
    protected function getConfigForm()
    {
        $groups = Group::getGroups($this->context->language->id);
        $groupOptions = array();
        foreach ($groups as $group) {
            $groupOptions[] = array(
                'id_option' => $group['id_group'],
                'name' => $group['name']
            );
        }

        return array(
            'form' => array(
                'legend' => array(
                    'title' => $this->trans('Settings', [], 'Modules.B2bpayments.Admin'),
                    'icon' => 'icon-cogs',
                ),
                'input' => array(
                    array(
                        'type' => 'select',
                        'label' => $this->trans('B2B Postpaid Customer Group', [], 'Modules.B2bpayments.Admin'),
                        'name' => 'B2BPAYMENTS_POSTPAID_GROUP',
                        'options' => array(
                            'query' => $groupOptions,
                            'id' => 'id_option',
                            'name' => 'name'
                        ),
                        'desc' => $this->trans('Select the customer group to be treated as B2B Postpaid.', [], 'Modules.B2bpayments.Admin'),
                    ),
                    array(
                        'type' => 'select',
                        'label' => $this->trans('B2B Prepaid Customer Group', [], 'Modules.B2bpayments.Admin'),
                        'name' => 'B2BPAYMENTS_PREPAID_GROUP',
                        'options' => array(
                            'query' => $groupOptions,
                            'id' => 'id_option',
                            'name' => 'name'
                        ),
                        'desc' => $this->trans('Select the customer group to be treated as B2B Prepaid.', [], 'Modules.B2bpayments.Admin'),
                    ),
                ),
                'submit' => array(
                    'title' => $this->trans('Save', [], 'Modules.B2bpayments.Admin'),
                ),
            ),
        );
    }

    /**
     * Set values for the inputs.
     */
    protected function getConfigFormValues()
    {
        return array(
            'B2BPAYMENTS_POSTPAID_GROUP' => Configuration::get('B2BPAYMENTS_POSTPAID_GROUP', null),
            'B2BPAYMENTS_PREPAID_GROUP' => Configuration::get('B2BPAYMENTS_PREPAID_GROUP', null),
        );
    }

    /**
     * Save form data.
     */
    protected function postProcess()
    {
        $form_values = $this->getConfigFormValues();

        foreach (array_keys($form_values) as $key) {
            Configuration::updateValue($key, Tools::getValue($key));
        }

        $this->b2b_postpaid_group_id = Configuration::get('B2BPAYMENTS_POSTPAID_GROUP');
        $this->b2b_prepaid_group_id = Configuration::get('B2BPAYMENTS_PREPAID_GROUP');
    }


    /**
     * Hook to display payment options
     */
    public function hookPaymentOptions($params)
    {
        if (!$this->active) {
            return;
        }

        if (empty($params['cart']) || !$params['cart']->id_customer) {
            return [];
        }
        $customer = $this->context->customer;

        $payment_options = array();

        $postpaid_group_id = (int)Configuration::get('B2BPAYMENTS_POSTPAID_GROUP');
        $prepaid_group_id = (int)Configuration::get('B2BPAYMENTS_PREPAID_GROUP');

        if ($customer->isLogged() && ($this->isCustomerInGroup((int)$customer->id, $postpaid_group_id)) && $this->isDefaultCustomerGroup((int)$customer->id, $postpaid_group_id)) {
            $postpaidOption = new PaymentOption();
            $postpaidOption->setCallToActionText($this->b2b_postpaid_payment_name);
            $postpaidOption->setAction($this->context->link->getModuleLink($this->name, 'validation', array(), true));
            $postpaidOption->setAdditionalInformation($this->fetch('module:b2bpayments/views/templates/hook/postpaidAdditionalInformation.tpl'));
            $payment_options[] = $postpaidOption;
        }

        if ($customer->isLogged() && ($this->isCustomerInGroup((int)$customer->id, $prepaid_group_id)) && $this->isDefaultCustomerGroup((int)$customer->id, $prepaid_group_id)) {
            $prepaidOption = new PaymentOption();
            $prepaidOption->setCallToActionText($this->b2b_prepaid_payment_name);
            $prepaidOption->setAction($this->context->link->getModuleLink($this->name, 'validation', array(), true));
            $prepaidOption->setAdditionalInformation($this->fetch('module:b2bpayments/views/templates/hook/prepaidAdditionalInformation.tpl'));
            $payment_options[] = $prepaidOption;
        }
        return $payment_options;
    }


    /**
     * Check if a customer is in a specific group.
     */
    public function isCustomerInGroup($customer_id, $group_id)
    {
        $groups = Customer::getGroupsStatic($customer_id);
        return in_array($group_id, $groups);
    }

    /**
     * Check if customer default group is the specified group
     */

    public function isDefaultCustomerGroup($customer_id, $group_id)
    {
        $customer = new Customer($customer_id);
        return (int)$customer->id_default_group === (int)$group_id;
    }


    /**
     * Function used to toggle the customer group
     */
    public function toggleCustomerGroup($customer_id)
    {
        $postpaid_group_id = (int)Configuration::get('B2BPAYMENTS_POSTPAID_GROUP');
        $prepaid_group_id = (int)Configuration::get('B2BPAYMENTS_PREPAID_GROUP');

        $customer = new Customer($customer_id);

        // Check if customer is in both groups
        if (!$this->isCustomerInGroup($customer_id, $postpaid_group_id) || !$this->isCustomerInGroup($customer_id, $prepaid_group_id)) {
            return false; // Or throw an exception, depending on your needs.
        }

        //Check customer default group
        if ($this->isDefaultCustomerGroup($customer_id, $postpaid_group_id)) {
            $customer->id_default_group = $prepaid_group_id;
        } else {
            $customer->id_default_group = $postpaid_group_id;
        }
        return $customer->update();
    }

    /**
     *  Widget methods
     */
    public function renderWidget($hookName, array $configuration)
    {
        $this->smarty->assign($this->getWidgetVariables($hookName, $configuration));
        if ($hookName == 'breadcrumb') {
            return $this->fetch('module:' . $this->name . '/views/templates/hook/breadcrumb.tpl');
        }
        return $this->fetch('module:' . $this->name . '/views/templates/hook/b2b_switch.tpl');
    }

    public function getWidgetVariables($hookName, array $configuration)
    {
        $customer = $this->context->customer;

        $postpaid_group_id = (int)Configuration::get('B2BPAYMENTS_POSTPAID_GROUP');
        $prepaid_group_id = (int)Configuration::get('B2BPAYMENTS_PREPAID_GROUP');

        if ($customer->isLogged() && $this->isCustomerInGroup($customer->id, $postpaid_group_id) && $this->isCustomerInGroup($customer->id, $prepaid_group_id)) {
            return array(
                'show_switch' => true,
                'postpaid_group_id' => $postpaid_group_id,
                'prepaid_group_id' => $prepaid_group_id,
                'current_group_is_postpaid' => $this->isDefaultCustomerGroup($customer->id, $postpaid_group_id),
                'switch_url' => $this->context->link->getModuleLink($this->name, 'switch', array(), true)
            );
        }

        return array(
            'show_switch' => false,
        );
    }

    public function hookDisplayBeforeShoppingCartBlock($params)
    {
        return $this->renderWidget('displayBeforeShoppingCartBlock', $params);
    }

    public function hookDisplayCustomerAccount($params)
    {
        return $this->renderWidget('displayCustomerAccount', $params);
    }

    public function hookDisplayProductPriceBlock($params)
    {
        if ($params['type'] == 'after_price') {
            if (isset($params['smarty'])) {
                $this->smarty = $params['smarty'];
            }
            return $this->renderWidget('displayProductPriceBlock', $params);
        }
    }
    public function isUsingNewTranslationSystem()
    {
        return true;
    }

    /**
     * @param array{cookie: Cookie, cart: Cart, altern: int, order: Order, objOrder: Order} $params
     *
     * @return string
     */
    public function hookDisplayOrderConfirmation(array $params)
    {
        /** @var Order $order */
        $order = (isset($params['objOrder'])) ? $params['objOrder'] : $params['order'];

        if (!Validate::isLoadedObject($order) || $order->module !== $this->name) {
            return '';
        }
        $messages = [
            $this->b2b_postpaid_payment_name => $this->trans('B2B Postpaid Payment Order Confirmation Page Message', [], 'Modules.B2bpayments.OrderConfirmationPage'),
            $this->b2b_prepaid_payment_name => $this->trans('B2B Prepaid Payment Order Confirmation Page Message', [], 'Modules.B2bpayments.OrderConfirmationPage')
        ];
        $b2b_order_confirmation_message = $messages[$order->payment] ?? false;
        $this->context->smarty->assign([
            'b2b_order_confirmation_message' => $b2b_order_confirmation_message,

        ]);

        return $this->fetch('module:b2bpayments/views/templates/hook/displayOrderConfirmation.tpl');
    }
}