<?php
/**
 * WPQuotePro Acceptance Shortcode
 *
 * Displays quotation acceptance form via [wpquotepro_acceptance] shortcode
 *
 * Usage:
 * [wpquotepro_acceptance]
 *
 * Query params (from email link):
 * ?quotation_id=UUID&token=JWT_TOKEN
 */

if (!defined('ABSPATH')) {
    exit;
}

class WPQUOTEPRO_Acceptance_Shortcode {

    public static function init() {
        add_shortcode('wpquotepro_acceptance', [__CLASS__, 'render_form']);
    }

    /**
     * Render the acceptance form
     */
    public static function render_form() {
        $quotation_id = isset($_GET['quotation_id']) ? sanitize_text_field(wp_unslash($_GET['quotation_id'])) : '';
        $token = isset($_GET['token']) ? sanitize_text_field(wp_unslash($_GET['token'])) : '';

        // Enqueue styles and scripts
        wp_enqueue_style('wpquotepro-acceptance', plugins_url('../admin/css/acceptance-form.css', __FILE__), [], WPQUOTEPRO_VERSION);
        wp_enqueue_script('wpquotepro-acceptance', plugins_url('../admin/js/acceptance-form.js', __FILE__), ['jquery'], WPQUOTEPRO_VERSION, true);

        // Get backend URL - check constant first, then option
        $backend_url = 'https://app.wpquotepro.nl'; // default
        if (defined('WPQUOTEPRO_BACKEND_URL')) {
            $backend_url = WPQUOTEPRO_BACKEND_URL;
        } else {
            $option_url = get_option('wpquotepro_backend_base_url', '');
            if (!empty($option_url)) {
                $backend_url = $option_url;
            }
        }
        $backend_url = apply_filters('wpquotepro_backend_url', $backend_url);
        $backend_url = rtrim($backend_url, '/');

        wp_localize_script('wpquotepro-acceptance', 'wpquotepro_acceptance', [
            'quotation_id' => $quotation_id,
            'token' => $token,
            'backend_url' => $backend_url,
            'nonce' => wp_create_nonce('wpquotepro_acceptance_nonce'),
            // Taal van de pagina (die van de site) voor datums en bedragen; de
            // valuta komt per offerte van de backend (Engeland, fase 1).
            'locale' => str_replace('_', '-', get_locale()),
            'i18n' => [
                'missing_params' => __('No quote details received. Please check the link in your email.', 'gresquote'),
                'load_failed' => __('Could not load the quote.', 'gresquote'),
                'token_invalid' => __('This link has expired or is not valid.', 'gresquote'),
                'not_found' => __('Quote not found.', 'gresquote'),
                'no_connection' => __('Cannot reach the website. Please check your internet connection.', 'gresquote'),
                'no_lines' => __('No lines on this quote.', 'gresquote'),
                'subtotal_excl' => __('Subtotal excl. VAT', 'gresquote'),
                'discount' => __('Discount', 'gresquote'),
                'surcharge' => __('Surcharge', 'gresquote'),
                'vat' => __('VAT', 'gresquote'),
                'total_incl' => __('Total incl. VAT', 'gresquote'),
                'subtotal_us' => __('Subtotal', 'gresquote'),
                'sales_tax' => __('Sales tax', 'gresquote'),
                'total_us' => __('Total', 'gresquote'),
                'quantity' => __('Quantity', 'gresquote'),
                'price' => __('Price', 'gresquote'),
                'amount' => __('Amount', 'gresquote'),
                'decline_failed' => __('Declining did not work.', 'gresquote'),
                'decline_failed_details' => __('Please try again later, or reply to the email with the quote.', 'gresquote'),
                'link_expired' => __('This link is no longer valid.', 'gresquote'),
                'link_expired_details' => __('Please use the link in the most recent email.', 'gresquote'),
                'accept_failed' => __('Acceptance failed.', 'gresquote'),
                'bad_request' => __('Invalid request.', 'gresquote'),
                'bad_request_details' => __('Please make sure you use the correct link from the email.', 'gresquote'),
                'request_new' => __('Please request a new quote.', 'gresquote'),
                'already_accepted' => __('This quote has already been accepted.', 'gresquote'),
                'already_accepted_details' => __('You do not need to do anything else.', 'gresquote'),
                'too_many' => __('Too many requests. Please wait a moment.', 'gresquote'),
            ],
        ]);

        ob_start();
        ?>
        <div id="wpquotepro-acceptance-container" class="wpquotepro-acceptance">
            <div class="wpquotepro-acceptance-inner">

                <!-- Afwijzen: reden vragen, maar niet eisen -->
                <div id="state-rejecting" class="wpquotepro-state" style="display: none;">
                    <div class="wpquotepro-card">
                        <h2><?php esc_html_e('Decline quote', 'gresquote'); ?></h2>
                        <p><?php esc_html_e('Too bad. Would you briefly tell us why? It helps us do better next time, but you do not have to.', 'gresquote'); ?></p>
                        <textarea id="reject-reason" rows="4" class="wpquotepro-textarea"
                            placeholder="<?php esc_attr_e('For example: too expensive, or we chose another company', 'gresquote'); ?>"></textarea>
                        <div class="wpquotepro-actions">
                            <button type="button" id="btn-reject-back" class="wpquotepro-btn wpquotepro-btn-secondary">
                                <?php esc_html_e('Back', 'gresquote'); ?>
                            </button>
                            <button type="button" id="btn-reject-confirm" class="wpquotepro-btn wpquotepro-btn-reject">
                                <?php esc_html_e('Decline quote', 'gresquote'); ?>
                            </button>
                        </div>
                    </div>
                </div>

                <!-- Afgewezen -->
                <div id="state-rejected" class="wpquotepro-state" style="display: none;">
                    <div class="wpquotepro-card">
                        <h2><?php esc_html_e('Thank you for letting us know', 'gresquote'); ?></h2>
                        <p><?php esc_html_e('We have noted that you are not accepting this quote. You will not receive any more reminders about it.', 'gresquote'); ?></p>
                        <p><?php esc_html_e('If you change your mind, feel free to get in touch and we will make you a new one.', 'gresquote'); ?></p>
                    </div>
                </div>

                <!-- Loading State -->
                <div id="state-loading" class="wpquotepro-state" style="display: block;">
                    <div class="wpquotepro-spinner"></div>
                    <p><?php esc_html_e('Loading quote...', 'gresquote'); ?></p>
                </div>

                <!-- Confirmation State -->
                <div id="state-confirmation" class="wpquotepro-state" style="display: none;">
                    <div class="wpquotepro-header">
                        <h1><?php esc_html_e('Accept this quote?', 'gresquote'); ?></h1>
                        <p><?php esc_html_e('Are you sure you want to accept this quote?', 'gresquote'); ?></p>
                    </div>

                    <!-- De offerte zoals hij in de PDF staat. Wie hier ja tegen
                         zegt, hoort te kunnen zien waar hij ja tegen zegt —
                         zonder eerst een bestand te downloaden. -->
                    <div class="wpquotepro-card wpquotepro-quote">
                        <div class="wpquotepro-quote-head">
                            <div class="wpquotepro-quote-brand">
                                <img id="quote-logo" class="wpquotepro-quote-logo" src="" alt="" style="display: none;" />
                                <p id="quote-company" class="wpquotepro-quote-company">—</p>
                            </div>
                            <div class="wpquotepro-quote-meta">
                                <p class="wpquotepro-label"><?php esc_html_e('Quote', 'gresquote'); ?></p>
                                <p id="quotation-number" class="wpquotepro-quote-number">—</p>
                                <p id="quote-dates" class="wpquotepro-quote-dates">—</p>
                            </div>
                        </div>

                        <div class="wpquotepro-quote-for">
                            <p class="wpquotepro-label"><?php esc_html_e('For', 'gresquote'); ?></p>
                            <p id="customer-name" class="wpquotepro-value-bold">—</p>
                            <p id="customer-details" class="wpquotepro-quote-dates">—</p>
                        </div>

                        <table class="wpquotepro-quote-table">
                            <thead>
                                <tr>
                                    <th><?php esc_html_e('Description', 'gresquote'); ?></th>
                                    <th class="wpquotepro-num"><?php esc_html_e('Quantity', 'gresquote'); ?></th>
                                    <th class="wpquotepro-num"><?php esc_html_e('Price', 'gresquote'); ?></th>
                                    <th class="wpquotepro-num"><?php esc_html_e('Amount', 'gresquote'); ?></th>
                                </tr>
                            </thead>
                            <tbody id="quote-lines"></tbody>
                        </table>

                        <table class="wpquotepro-quote-totals" id="quote-totals"></table>

                        <p class="wpquotepro-quote-valid">
                            <?php esc_html_e('Valid until', 'gresquote'); ?>
                            <strong id="valid-until">—</strong>
                        </p>

                        <p class="wpquotepro-quote-pdf">
                            <a id="quote-pdf-link" href="#" target="_blank" rel="noopener" style="display: none;">
                                <?php esc_html_e('Download this quote as a PDF', 'gresquote'); ?>
                            </a>
                        </p>

                        <div class="wpquotepro-info-box">
                            <p>💡 <?php esc_html_e('By accepting this quote you agree to the quote and its terms. We will then contact you to arrange the next steps.', 'gresquote'); ?></p>
                        </div>
                    </div>

                    <div class="wpquotepro-actions">
                        <button type="button" id="btn-reject" class="wpquotepro-btn wpquotepro-btn-reject">
                            <?php esc_html_e('Decline', 'gresquote'); ?>
                        </button>
                        <button type="button" id="btn-cancel" class="wpquotepro-btn wpquotepro-btn-secondary">
                            <?php esc_html_e('Cancel', 'gresquote'); ?>
                        </button>
                        <button type="button" id="btn-accept" class="wpquotepro-btn wpquotepro-btn-primary">
                            <?php esc_html_e('✓ Yes, accept', 'gresquote'); ?>
                        </button>
                    </div>
                </div>

                <!-- Submitting State -->
                <div id="state-submitting" class="wpquotepro-state" style="display: none;">
                    <div class="wpquotepro-spinner"></div>
                    <p><?php esc_html_e('Processing your acceptance...', 'gresquote'); ?></p>
                </div>

                <!-- Success State -->
                <div id="state-success" class="wpquotepro-state" style="display: none;">
                    <div class="wpquotepro-success-icon">✓</div>

                    <div class="wpquotepro-header">
                        <h1><?php esc_html_e('✓ Quote accepted!', 'gresquote'); ?></h1>
                        <p><?php esc_html_e('Thank you for accepting our quote.', 'gresquote'); ?></p>
                    </div>

                    <div class="wpquotepro-card">
                        <h2><?php esc_html_e('Next step', 'gresquote'); ?></h2>
                        <p><?php esc_html_e('We will contact you to discuss the details and schedule an appointment.', 'gresquote'); ?></p>

                        <div class="wpquotepro-steps">
                            <div class="wpquotepro-step">
                                <div class="wpquotepro-step-number">1</div>
                                <div>
                                    <p class="wpquotepro-step-title"><?php esc_html_e('Confirmation received', 'gresquote'); ?></p>
                                    <p class="wpquotepro-step-desc"><?php esc_html_e('You will receive an email confirming your acceptance.', 'gresquote'); ?></p>
                                </div>
                            </div>
                            <div class="wpquotepro-step">
                                <div class="wpquotepro-step-number">2</div>
                                <div>
                                    <p class="wpquotepro-step-title"><?php esc_html_e('We will be in touch', 'gresquote'); ?></p>
                                    <p class="wpquotepro-step-desc"><?php esc_html_e('You will hear from our team about the next steps soon.', 'gresquote'); ?></p>
                                </div>
                            </div>
                            <div class="wpquotepro-step">
                                <div class="wpquotepro-step-number">3</div>
                                <div>
                                    <p class="wpquotepro-step-title"><?php esc_html_e('Project start', 'gresquote'); ?></p>
                                    <p class="wpquotepro-step-desc"><?php esc_html_e('We schedule the project and get started.', 'gresquote'); ?></p>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div class="wpquotepro-actions">
                        <button type="button" id="btn-close-success" class="wpquotepro-btn wpquotepro-btn-secondary">
                            <?php esc_html_e('Close', 'gresquote'); ?>
                        </button>
                    </div>
                </div>

                <!-- Error State -->
                <div id="state-error" class="wpquotepro-state" style="display: none;">
                    <div class="wpquotepro-error-icon">❌</div>

                    <div class="wpquotepro-header">
                        <h1><?php esc_html_e('Acceptance not possible', 'gresquote'); ?></h1>
                        <p id="error-message">—</p>
                    </div>

                    <div id="error-details" class="wpquotepro-card" style="display: none;">
                        <p id="error-details-text">—</p>
                    </div>

                    <div class="wpquotepro-actions">
                        <button type="button" id="btn-close-error" class="wpquotepro-btn wpquotepro-btn-secondary">
                            <?php esc_html_e('Close', 'gresquote'); ?>
                        </button>
                    </div>
                </div>

            </div>
        </div>
        <?php

        return ob_get_clean();
    }
}

// Hook initialization
add_action('init', ['WPQUOTEPRO_Acceptance_Shortcode', 'init']);

// Vangnet: activation-hook maakt de acceptatiepagina normaal al aan, maar die
// vuurt niet opnieuw na een plugin-update zonder reactivatie. Zelfde aanmaak
// als WPQUOTEPRO_Activation::create_acceptance_page() (TP-29: was hier een
// losstaande tweede kopie van diezelfde logica).
add_action('wp_loaded', ['WPQUOTEPRO_Activation', 'create_acceptance_page']);