<?php
/**
 * Grilc Tours functions and definitions
 */

// Registracija potrebnih WordPress funkcionalnosti
function grilctours_setup() {
    // Add default posts and comments RSS feed links to head.
    add_theme_support('automatic-feed-links');

    // Let WordPress manage the document title.
    add_theme_support('title-tag');

    // Enable support for Post Thumbnails on posts and pages.
    add_theme_support('post-thumbnails');

    // Add support for custom logo
    add_theme_support('custom-logo');

    // Registriraj navigacijske menije
    register_nav_menus(array(
        'primary' => esc_html__('Primary Menu', 'grilctours'),
        'footer' => esc_html__('Footer Menu', 'grilctours'),
    ));
}
add_action('after_setup_theme', 'grilctours_setup');

// Registracija stilov in skript
function grilctours_scripts() {
    // Glavni CSS
    wp_enqueue_style('grilctours-style', get_stylesheet_uri());
    
    // Google Fonts
    wp_enqueue_style('google-fonts', 'https://fonts.googleapis.com/css2?family=Inter+Tight:wght@500&display=swap');
    
    // Font Awesome
    wp_enqueue_style('font-awesome', 'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css');
    
    wp_enqueue_script('grilctours-script', get_template_directory_uri() . '/js/script.js', array(), '1.0.0', true);
}
add_action('wp_enqueue_scripts', 'grilctours_scripts');

// Dodaj podporo za media uploader v admin
function grilctours_admin_scripts($hook) {
    global $post_type;
    
    // Naloži skripte samo na edit in add new straneh za individual_tour
    if (($hook == 'post.php' || $hook == 'post-new.php') && $post_type == 'individual_tour') {
        wp_enqueue_media();
        wp_enqueue_script('grilctours-admin-script', get_template_directory_uri() . '/admin-scripts.js', array('jquery'), '1.0.0', true);
    }
}
add_action('admin_enqueue_scripts', 'grilctours_admin_scripts');

// Registracija Custom Post Type za Experience Journey
function register_experience_journey_post_type() {
    $labels = array(
        'name' => 'Experience Journeys',
        'singular_name' => 'Experience Journey',
        'menu_name' => 'Experience Journeys',
        'add_new' => 'Add New Journey',
        'add_new_item' => 'Add New Journey',
        'edit_item' => 'Edit Journey',
        'new_item' => 'New Journey',
        'view_item' => 'View Journey',
        'search_items' => 'Search Journeys',
        'not_found' => 'No journeys found',
        'not_found_in_trash' => 'No journeys found in Trash'
    );

    $args = array(
        'labels' => $labels,
        'public' => true,
        'has_archive' => true,
        'menu_icon' => 'dashicons-palmtree',
        'supports' => array('title', 'editor', 'thumbnail', 'excerpt'),
        'rewrite' => array('slug' => 'journeys'),
        'show_in_rest' => true,
        'menu_position' => 5
    );

    register_post_type('experience_journey', $args);
}
add_action('init', 'register_experience_journey_post_type');

// Registracija Custom Post Type za Individual Tour
function register_individual_tour_post_type() {
    $labels = array(
        'name' => 'Individual Tours',
        'singular_name' => 'Individual Tour',
        'menu_name' => 'Individual Tours',
        'add_new' => 'Add New Tour',
        'add_new_item' => 'Add New Tour',
        'edit_item' => 'Edit Tour',
        'new_item' => 'New Tour',
        'view_item' => 'View Tour',
        'search_items' => 'Search Tours',
        'not_found' => 'No tours found',
        'not_found_in_trash' => 'No tours found in Trash'
    );

    $args = array(
        'labels' => $labels,
        'public' => true,
        'has_archive' => true,
        'menu_icon' => 'dashicons-location',
        'supports' => array('title', 'editor', 'thumbnail', 'excerpt'),
        'rewrite' => array('slug' => 'tours'),
        'show_in_rest' => true,
        'menu_position' => 6
    );

    register_post_type('individual_tour', $args);
}
add_action('init', 'register_individual_tour_post_type');

// Vključi datoteko za meta polja tur
require_once get_template_directory() . '/tour-meta-fields.php';

// Registracija meta boxov za Experience Journey
function register_experience_journey_meta_boxes() {
    add_meta_box(
        'experience_journey_details',
        'Journey Details',
        'render_experience_journey_meta_box',
        'experience_journey',
        'normal',
        'high'
    );
}
add_action('add_meta_boxes', 'register_experience_journey_meta_boxes');

// Render meta box za Experience Journey
function render_experience_journey_meta_box($post) {
    $target_audience = get_post_meta($post->ID, '_target_audience', true);
    
    wp_nonce_field('experience_journey_nonce', 'experience_journey_nonce');
    ?>
    <div class="journey-meta-box">
        <p>
            <label for="target_audience"><strong>Target Audience</strong></label>
            <textarea id="target_audience" name="target_audience" class="widefat" rows="5"><?php echo esc_textarea($target_audience); ?></textarea>
            <span class="description">Describe who this journey is designed for.</span>
        </p>
    </div>
    <?php
}

// Shrani meta podatke za Experience Journey
function save_experience_journey_meta($post_id) {
    if (!isset($_POST['experience_journey_nonce']) || !wp_verify_nonce($_POST['experience_journey_nonce'], 'experience_journey_nonce')) {
        return;
    }
    
    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
        return;
    }
    
    if (!current_user_can('edit_post', $post_id)) {
        return;
    }
    
    if (isset($_POST['target_audience'])) {
        update_post_meta($post_id, '_target_audience', sanitize_textarea_field($_POST['target_audience']));
    }
}
add_action('save_post_experience_journey', 'save_experience_journey_meta');

// Registracija meta boxov za Individual Tour
function register_individual_tour_meta_boxes() {
    add_meta_box(
        'individual_tour_details',
        'Tour Details',
        'render_individual_tour_meta_box',
        'individual_tour',
        'normal',
        'high'
    );

    add_meta_box(
        'individual_tour_journey',
        'Experience Journey',
        'render_individual_tour_journey_meta_box',
        'individual_tour',
        'side',
        'default'
    );
}
add_action('add_meta_boxes', 'register_individual_tour_meta_boxes');

// Render meta box za Individual Tour
function render_individual_tour_meta_box($post) {
    $price = get_post_meta($post->ID, '_price', true);
    $duration = get_post_meta($post->ID, '_duration', true);
    $distance = get_post_meta($post->ID, '_distance', true);
    $fitness_level = get_post_meta($post->ID, '_fitness_level', true);
    $hero_image = get_post_meta($post->ID, '_hero_image', true);
    $highlights = get_post_meta($post->ID, '_highlights', true) ?: array('');
    $inclusions = get_post_meta($post->ID, '_inclusions', true) ?: array('');
    $optional_extras = get_post_meta($post->ID, '_optional_extras', true) ?: array('');
    $itinerary = get_post_meta($post->ID, '_itinerary', true) ?: array(array('title' => '', 'description' => '', 'image' => ''));
    
    wp_nonce_field('individual_tour_nonce', 'individual_tour_nonce');
    ?>
    <div class="tour-meta-box">
        <p>
            <label for="price"><strong>Price (€)</strong></label>
            <input type="number" id="price" name="price" value="<?php echo esc_attr($price); ?>" class="widefat" min="0" step="0.01">
        </p>
        <p>
            <label for="duration"><strong>Duration</strong></label>
            <input type="text" id="duration" name="duration" value="<?php echo esc_attr($duration); ?>" class="widefat" placeholder="e.g., 7 days / 6 nights">
        </p>
        <p>
            <label for="distance"><strong>Distance</strong></label>
            <input type="text" id="distance" name="distance" value="<?php echo esc_attr($distance); ?>" class="widefat" placeholder="e.g., 60 - 100 km/day">
        </p>
        <p>
            <label for="fitness_level"><strong>Fitness Level</strong></label>
            <select id="fitness_level" name="fitness_level" class="widefat">
                <option value="">Select fitness level</option>
                <option value="Beginner" <?php selected($fitness_level, 'Beginner'); ?>>Beginner</option>
                <option value="Intermediate" <?php selected($fitness_level, 'Intermediate'); ?>>Intermediate</option>
                <option value="Advanced" <?php selected($fitness_level, 'Advanced'); ?>>Advanced</option>
                <option value="Expert" <?php selected($fitness_level, 'Expert'); ?>>Expert</option>
            </select>
        </p>
        
        <div class="hero-image-field">
            <h4>Hero Image</h4>
            <p>This image will be displayed at the top of the tour page. If not set, the featured image will be used.</p>
            <div class="image-preview-wrapper">
                <?php if (!empty($hero_image)) : ?>
                    <img src="<?php echo esc_url($hero_image); ?>" alt="Hero Image" class="image-preview" style="max-width: 300px; height: auto;">
                <?php endif; ?>
            </div>
            <input type="text" name="hero_image" id="hero_image" value="<?php echo esc_attr($hero_image); ?>" class="widefat">
            <button type="button" class="button hero-image-upload">Upload/Select Image</button>
            <button type="button" class="button hero-image-remove" <?php echo empty($hero_image) ? 'style="display:none;"' : ''; ?>>Remove Image</button>
        </div>

        <div class="repeatable-fields">
            <h4>Highlights</h4>
            <div id="highlights-container">
                <?php foreach ($highlights as $highlight) : ?>
                <div class="repeatable-field">
                    <input type="text" name="highlights[]" value="<?php echo esc_attr($highlight); ?>" class="widefat">
                    <button type="button" class="remove-field">Remove</button>
                </div>
                <?php endforeach; ?>
            </div>
            <button type="button" class="add-field" data-container="highlights-container">Add Highlight</button>
        </div>

        <div class="repeatable-fields">
            <h4>Inclusions</h4>
            <div id="inclusions-container">
                <?php foreach ($inclusions as $inclusion) : ?>
                <div class="repeatable-field">
                    <input type="text" name="inclusions[]" value="<?php echo esc_attr($inclusion); ?>" class="widefat">
                    <button type="button" class="remove-field">Remove</button>
                </div>
                <?php endforeach; ?>
            </div>
            <button type="button" class="add-field" data-container="inclusions-container">Add Inclusion</button>
        </div>

        <div class="repeatable-fields">
            <h4>Optional Extras</h4>
            <div id="optional-extras-container">
                <?php foreach ($optional_extras as $extra) : ?>
                <div class="repeatable-field">
                    <input type="text" name="optional_extras[]" value="<?php echo esc_attr($extra); ?>" class="widefat">
                    <button type="button" class="remove-field">Remove</button>
                </div>
                <?php endforeach; ?>
            </div>
            <button type="button" class="add-field" data-container="optional-extras-container">Add Optional Extra</button>
        </div>

        <div class="repeatable-fields">
            <h4>Itinerary</h4>
            <div id="itinerary-container">
                <?php foreach ($itinerary as $index => $day) : ?>
                <div class="repeatable-field itinerary-day">
                    <input type="text" name="itinerary[<?php echo $index; ?>][title]" value="<?php echo esc_attr($day['title']); ?>" class="widefat" placeholder="Day Title">
                    <textarea name="itinerary[<?php echo $index; ?>][description]" class="widefat" rows="3" placeholder="Day Description"><?php echo esc_textarea($day['description']); ?></textarea>
                    
                    <div class="itinerary-image-field">
                        <label><strong>Day Image</strong></label>
                        <div class="image-preview-wrapper">
                            <?php if (!empty($day['image'])) : ?>
                                <img src="<?php echo esc_url($day['image']); ?>" alt="Day Image" class="image-preview" style="max-width: 200px; height: auto;">
                            <?php endif; ?>
                        </div>
                        <input type="text" name="itinerary[<?php echo $index; ?>][image]" value="<?php echo esc_attr($day['image'] ?? ''); ?>" class="widefat itinerary-image-url">
                        <button type="button" class="button itinerary-image-upload">Upload/Select Image</button>
                        <button type="button" class="button itinerary-image-remove" <?php echo empty($day['image']) ? 'style="display:none;"' : ''; ?>>Remove Image</button>
                    </div>
                    
                    <button type="button" class="remove-field">Remove Day</button>
                </div>
                <?php endforeach; ?>
            </div>
            <button type="button" class="add-field" data-container="itinerary-container">Add Day</button>
        </div>
    </div>

    <style>
    .repeatable-fields {
        margin: 20px 0;
        padding: 15px;
        background: #f9f9f9;
        border: 1px solid #e5e5e5;
    }
    .repeatable-field {
        margin-bottom: 10px;
        padding: 10px;
        background: #fff;
        border: 1px solid #e5e5e5;
    }
    .remove-field {
        margin-top: 5px;
        color: #a00;
    }
    .itinerary-day {
        padding: 15px;
    }
    .itinerary-day textarea {
        margin-top: 5px;
    }
    .hero-image-field, .itinerary-image-field {
        margin: 15px 0;
        padding: 10px;
        background: #f0f0f0;
        border: 1px solid #ddd;
    }
    .image-preview-wrapper {
        margin: 10px 0;
    }
    </style>

    <script>
    jQuery(document).ready(function($) {
        $('.add-field').click(function() {
            var container = $('#' + $(this).data('container'));
            var field = container.children().first().clone();
            field.find('input, textarea').val('');
            field.find('.image-preview-wrapper img').remove();
            field.find('.itinerary-image-remove').hide();
            
            // Posodobi indekse za itinerary
            if (container.attr('id') === 'itinerary-container') {
                var newIndex = container.children().length;
                field.find('input, textarea').each(function() {
                    var name = $(this).attr('name');
                    if (name) {
                        name = name.replace(/\[\d+\]/, '[' + newIndex + ']');
                        $(this).attr('name', name);
                    }
                });
            }
            
            container.append(field);
        });

        $(document).on('click', '.remove-field', function() {
            var container = $(this).closest('.repeatable-fields').find('.repeatable-field');
            if (container.length > 1) {
                $(this).closest('.repeatable-field').remove();
            }
        });

        // Media uploader za hero sliko
        $('.hero-image-upload').click(function(e) {
            e.preventDefault();
            var button = $(this);
            var imageField = $('#hero_image');
            var previewWrapper = button.siblings('.image-preview-wrapper');
            var removeButton = button.siblings('.hero-image-remove');
            
            var frame = wp.media({
                title: 'Select or Upload Hero Image',
                button: {
                    text: 'Use this image'
                },
                multiple: false
            });

            frame.on('select', function() {
                var attachment = frame.state().get('selection').first().toJSON();
                imageField.val(attachment.url);
                
                // Posodobi preview
                previewWrapper.html('<img src="' + attachment.url + '" alt="Hero Image" class="image-preview" style="max-width: 300px; height: auto;">');
                removeButton.show();
            });

            frame.open();
        });

        // Odstrani hero sliko
        $('.hero-image-remove').click(function() {
            $('#hero_image').val('');
            $(this).siblings('.image-preview-wrapper').empty();
            $(this).hide();
        });

        // Media uploader za itinerary slike
        $(document).on('click', '.itinerary-image-upload', function(e) {
            e.preventDefault();
            var button = $(this);
            var imageField = button.siblings('.itinerary-image-url');
            var previewWrapper = button.siblings('.image-preview-wrapper');
            var removeButton = button.siblings('.itinerary-image-remove');
            
            var frame = wp.media({
                title: 'Select or Upload Day Image',
                button: {
                    text: 'Use this image'
                },
                multiple: false
            });

            frame.on('select', function() {
                var attachment = frame.state().get('selection').first().toJSON();
                imageField.val(attachment.url);
                
                // Posodobi preview
                previewWrapper.html('<img src="' + attachment.url + '" alt="Day Image" class="image-preview" style="max-width: 200px; height: auto;">');
                removeButton.show();
            });

            frame.open();
        });

        // Odstrani itinerary sliko
        $(document).on('click', '.itinerary-image-remove', function() {
            $(this).siblings('.itinerary-image-url').val('');
            $(this).siblings('.image-preview-wrapper').empty();
            $(this).hide();
        });
    });
    </script>
    <?php
}

// Render meta box za povezavo Individual Tour z Experience Journey
function render_individual_tour_journey_meta_box($post) {
    $current_journey = get_post_meta($post->ID, '_experience_journey', true);
    
    $journeys = get_posts(array(
        'post_type' => 'experience_journey',
        'posts_per_page' => -1,
        'orderby' => 'title',
        'order' => 'ASC'
    ));
    
    if (empty($journeys)) {
        echo '<p>No experience journeys found. Please create one first.</p>';
        return;
    }
    
    echo '<select name="experience_journey" class="widefat">';
    echo '<option value="">Select Experience Journey</option>';
    
    foreach ($journeys as $journey) {
        printf(
            '<option value="%s" %s>%s</option>',
            esc_attr($journey->ID),
            selected($current_journey, $journey->ID, false),
            esc_html($journey->post_title)
        );
    }
    
    echo '</select>';
}

// Shrani meta podatke za Individual Tour
function save_individual_tour_meta($post_id) {
    if (!isset($_POST['individual_tour_nonce']) || !wp_verify_nonce($_POST['individual_tour_nonce'], 'individual_tour_nonce')) {
        return;
    }
    
    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
        return;
    }
    
    if (!current_user_can('edit_post', $post_id)) {
        return;
    }
    
    // Shrani osnovne podatke
    $fields = array(
        'price' => 'sanitize_text_field',
        'duration' => 'sanitize_text_field',
        'distance' => 'sanitize_text_field',
        'fitness_level' => 'sanitize_text_field',
        'hero_image' => 'esc_url_raw',
        'experience_journey' => 'absint'
    );
    
    foreach ($fields as $field => $sanitize_callback) {
        if (isset($_POST[$field])) {
            update_post_meta($post_id, '_' . $field, $sanitize_callback($_POST[$field]));
        }
    }
    
    // Shrani array podatke
    $array_fields = array('highlights', 'inclusions', 'optional_extras');
    foreach ($array_fields as $field) {
        if (isset($_POST[$field]) && is_array($_POST[$field])) {
            $sanitized = array_map('sanitize_text_field', array_filter($_POST[$field]));
            update_post_meta($post_id, '_' . $field, $sanitized);
        }
    }
    
    // Shrani itinerary
    if (isset($_POST['itinerary']) && is_array($_POST['itinerary'])) {
        $itinerary = array();
        foreach ($_POST['itinerary'] as $day) {
            if (!empty($day['title']) || !empty($day['description'])) {
                $itinerary[] = array(
                    'title' => sanitize_text_field($day['title']),
                    'description' => sanitize_textarea_field($day['description']),
                    'image' => isset($day['image']) ? esc_url_raw($day['image']) : ''
                );
            }
        }
        update_post_meta($post_id, '_itinerary', $itinerary);
    }
}
add_action('save_post_individual_tour', 'save_individual_tour_meta');