<?php echo do_shortcode('[summarizewithai]'); ?>

<?php
/**
 * WordPress Functions for Summarize with AI Shortcode Placement
 *
 * Add these functions to your theme's functions.php file or a custom plugin
 *
 * @package SUMMARIZEAI
 */

/**
 * Function 1: Add Summarize with AI buttons before first paragraph (top of content)
 * This function adds the shortcode at the very beginning of post content
 */
function summarizewithai_before_first_paragraph($content) {
    // Only apply to single posts and pages
    if (!is_single() && !is_page()) {
        return $content;
    }

    // Only apply to main query
    if (!is_main_query()) {
        return $content;
    }

    // Skip if content is empty
    if (empty($content)) {
        return $content;
    }

    // Generate the shortcode output
    $shortcode_output = do_shortcode('[summarizewithai]');

    // Add shortcode before the content
    $modified_content = $shortcode_output . $content;

    return $modified_content;
}
add_filter('the_content', 'summarizewithai_before_first_paragraph', 20);

/**
 * Function 2: Add Summarize with AI buttons after first paragraph
 * This function finds the first paragraph and inserts the shortcode after it
 */
function summarizewithai_after_first_paragraph($content) {
    // Only apply to single posts and pages
    if (!is_single() && !is_page()) {
        return $content;
    }

    // Only apply to main query
    if (!is_main_query()) {
        return $content;
    }

    // Skip if content is empty
    if (empty($content)) {
        return $content;
    }

    // Generate the shortcode output
    $shortcode_output = do_shortcode('[summarizewithai]');

    // Find the first closing paragraph tag
    $first_paragraph_end = strpos($content, '</p>');

    // If no paragraph found, return original content
    if ($first_paragraph_end === false) {
        return $content;
    }

    // Insert shortcode after first paragraph
    $before_insertion = substr($content, 0, $first_paragraph_end + 4); // +4 for '</p>'
    $after_insertion = substr($content, $first_paragraph_end + 4);

    $modified_content = $before_insertion . $shortcode_output . $after_insertion;

    return $modified_content;
}
add_filter('the_content', 'summarizewithai_after_first_paragraph', 20);

/**
 * Function 3: Add Summarize with AI buttons after post content
 * This function adds the shortcode at the end of post content
 */
function summarizewithai_after_post_content($content) {
    // Only apply to single posts and pages
    if (!is_single() && !is_page()) {
        return $content;
    }

    // Only apply to main query
    if (!is_main_query()) {
        return $content;
    }

    // Skip if content is empty
    if (empty($content)) {
        return $content;
    }

    // Generate the shortcode output
    $shortcode_output = do_shortcode('[summarizewithai]');

    // Add shortcode after the content
    $modified_content = $content . $shortcode_output;

    return $modified_content;
}
add_filter('the_content', 'summarizewithai_after_post_content', 20);

/**
 * Advanced Function: Conditional placement based on post length
 * This function intelligently places buttons based on content length
 */
function summarizewithai_smart_placement($content) {
    // Only apply to single posts and pages
    if (!is_single() && !is_page()) {
        return $content;
    }

    // Only apply to main query
    if (!is_main_query()) {
        return $content;
    }

    // Skip if content is empty
    if (empty($content)) {
        return $content;
    }

    // Count words in content
    $word_count = str_word_count(strip_tags($content));

    // Generate the shortcode output
    $shortcode_output = do_shortcode('[summarizewithai]');

    // For short posts (under 500 words), place at the end
    if ($word_count < 500) {
        return $content . $shortcode_output;
    }

    // For medium posts (500-1500 words), place after first paragraph
    if ($word_count < 1500) {
        $first_paragraph_end = strpos($content, '</p>');
        if ($first_paragraph_end !== false) {
            $before_insertion = substr($content, 0, $first_paragraph_end + 4);
            $after_insertion = substr($content, $first_paragraph_end + 4);
            return $before_insertion . $shortcode_output . $after_insertion;
        }
    }

    // For long posts (1500+ words), place at the beginning
    return $shortcode_output . $content;
}
add_filter('the_content', 'summarizewithai_smart_placement', 20);

/**
 * Function to add buttons only to specific post types
 * Modify the post types array to control where buttons appear
 */
function summarizewithai_specific_post_types($content) {
    // Define which post types should show the buttons
    $allowed_post_types = array('post', 'page', 'product'); // Add/remove post types as needed

    // Only apply to specified post types
    if (!is_singular($allowed_post_types)) {
        return $content;
    }

    // Only apply to main query
    if (!is_main_query()) {
        return $content;
    }

    // Skip if content is empty
    if (empty($content)) {
        return $content;
    }

    // Generate the shortcode output
    $shortcode_output = do_shortcode('[summarizewithai]');

    // Add shortcode after the content
    return $content . $shortcode_output;
}
add_filter('the_content', 'summarizewithai_specific_post_types', 20);

/**
 * Function to exclude buttons from specific pages/posts
 * Useful for excluding buttons from certain content
 */
function summarizewithai_exclude_specific_content($content) {
    // Only apply to single posts and pages
    if (!is_single() && !is_page()) {
        return $content;
    }

    // Only apply to main query
    if (!is_main_query()) {
        return $content;
    }

    // Define post IDs or page slugs to exclude
    $excluded_post_ids = array(123, 456); // Replace with actual post IDs
    $excluded_page_slugs = array('privacy-policy', 'terms-of-service'); // Replace with actual slugs

    // Get current post data
    global $post;

    // Skip if current post is in excluded list
    if (in_array($post->ID, $excluded_post_ids) || in_array($post->post_name, $excluded_page_slugs)) {
        return $content;
    }

    // Skip if content is empty
    if (empty($content)) {
        return $content;
    }

    // Generate the shortcode output
    $shortcode_output = do_shortcode('[summarizewithai]');

    // Add shortcode after the content
    return $content . $shortcode_output;
}
add_filter('the_content', 'summarizewithai_exclude_specific_content', 20);

/**
 * Helper function to remove all Summarize with AI automatic placements
 * Call this function if you want to disable all automatic placements
 */
function summarizewithai_remove_all_automatic_placement() {
    remove_filter('the_content', 'summarizewithai_before_first_paragraph', 20);
    remove_filter('the_content', 'summarizewithai_after_first_paragraph', 20);
    remove_filter('the_content', 'summarizewithai_after_post_content', 20);
    remove_filter('the_content', 'summarizewithai_smart_placement', 20);
    remove_filter('the_content', 'summarizewithai_specific_post_types', 20);
    remove_filter('the_content', 'summarizewithai_exclude_specific_content', 20);
}

// Example: Modify the default prompt
add_filter('summarizewithai_default_prompt', function($prompt) {
    return 'Custom prompt with {url}';
});