<?php

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

class AIGH_Content_Publisher {
    
    public function publish_article($item, $content) {
        $default_category = get_option('aigh_default_category', 1);
        $default_status = get_option('aigh_default_status', 'draft');
        
        $category_id = $this->get_or_create_category($item->category, $default_category);
        
        // Determine post status - scheduled date takes priority
        $post_status = $default_status;
        $post_date = null;
        
        if (!empty($item->scheduled_date)) {
            $post_status = 'future';
            $post_date = $item->scheduled_date;
        }
        
        $post_data = array(
            'post_title' => $item->title,
            'post_content' => wp_kses_post($content),
            'post_status' => $post_status,
            'post_author' => get_current_user_id(),
            'post_category' => array($category_id),
            'post_type' => 'post'
        );
        
        if ($post_date) {
            $post_data['post_date'] = $post_date;
            $post_data['post_date_gmt'] = get_gmt_from_date($post_date);
        }
        
        $post_id = wp_insert_post($post_data, true);
        
        if (is_wp_error($post_id)) {
            return $post_id;
        }
        
        if (!empty($item->keywords)) {
            $tags = array_map('trim', explode(',', $item->keywords));
            wp_set_post_tags($post_id, $tags, false);
        }
        
        update_post_meta($post_id, '_aigh_generated', 1);
        update_post_meta($post_id, '_aigh_plan_item_id', $item->id);
        update_post_meta($post_id, '_aigh_generated_date', current_time('mysql'));
        
        if ($post_date) {
            update_post_meta($post_id, '_aigh_scheduled_date', $post_date);
        }
        
        return $post_id;
    }
    
    private function get_or_create_category($category_name, $default_category_id) {
        if (empty($category_name)) {
            return $default_category_id;
        }
        
        $category = get_term_by('name', $category_name, 'category');
        
        if ($category) {
            return $category->term_id;
        }
        
        $new_category = wp_insert_term($category_name, 'category');
        
        if (is_wp_error($new_category)) {
            return $default_category_id;
        }
        
        return $new_category['term_id'];
    }
    
    public function schedule_article($post_id, $scheduled_date) {
        $post_data = array(
            'ID' => $post_id,
            'post_status' => 'future',
            'post_date' => $scheduled_date
        );
        
        return wp_update_post($post_data, true);
    }
    
    public function update_article($post_id, $content) {
        $post_data = array(
            'ID' => $post_id,
            'post_content' => wp_kses_post($content)
        );
        
        return wp_update_post($post_data, true);
    }
}