<?php
/**
 * Feedback Manager for AI Smart Excerpt
 * 
 * Handles user-friendly feedback prompts to encourage genuine reviews
 *
 * @since 2.0.1
 */

// Prevent direct access
if (!defined('ABSPATH')) {
    exit;
}

class AI_Smart_Excerpt_Feedback_Manager {

    /**
     * Feedback options.
     *
     * @var array
     */
    private $feedback_options;

    /**
     * Constructor.
     */
    public function __construct() {
        $this->load_feedback_options();
        $this->init_installation_tracking();
        
        add_action('wp_ajax_ase_dismiss_feedback', array($this, 'ajax_dismiss_feedback'));
        add_action('wp_ajax_ase_feedback_given', array($this, 'ajax_feedback_given'));
        add_action('admin_notices', array($this, 'show_feedback_notices'));
        add_action('admin_enqueue_scripts', array($this, 'enqueue_feedback_scripts'));
        
        // Hook into successful excerpt generation
        add_action('ai_smart_excerpt_generated', array($this, 'track_successful_generation'));
        add_action('ai_smart_excerpt_bulk_completed', array($this, 'track_bulk_completion'));
    }

    /**
     * Load feedback options.
     */
    private function load_feedback_options() {
        $defaults = array(
            'feedback_dismissed' => false,
            'feedback_given' => false,
            'successful_generations' => 0,
            'bulk_completions' => 0,
            'install_date' => time(),
            'last_feedback_prompt' => 0,
            'feedback_prompt_count' => 0
        );
        
        $this->feedback_options = wp_parse_args(get_option('ai_smart_excerpt_feedback', array()), $defaults);
    }

    /**
     * Initialize installation tracking if not already set.
     */
    private function init_installation_tracking() {
        // Set install date if not already set (for new installations)
        if (!isset($this->feedback_options['install_date']) || empty($this->feedback_options['install_date'])) {
            $this->feedback_options['install_date'] = time();
            $this->save_feedback_options();
        }
    }

    /**
     * Save feedback options.
     */
    private function save_feedback_options() {
        update_option('ai_smart_excerpt_feedback', $this->feedback_options);
    }

    /**
     * Track successful excerpt generation.
     */
    public function track_successful_generation() {
        $this->feedback_options['successful_generations']++;
        $this->save_feedback_options();
    }

    /**
     * Track bulk completion.
     */
    public function track_bulk_completion() {
        $this->feedback_options['bulk_completions']++;
        $this->save_feedback_options();
    }

    /**
     * Check if we should show feedback prompt.
     *
     * @return bool
     */
    private function should_show_feedback() {
        // Don't show if already dismissed or feedback given
        if ($this->feedback_options['feedback_dismissed'] || $this->feedback_options['feedback_given']) {
            return false;
        }

        // Don't show too frequently (at least 7 days between prompts)
        if (time() - $this->feedback_options['last_feedback_prompt'] < (7 * DAY_IN_SECONDS)) {
            return false;
        }

        // Don't show more than 3 times total
        if ($this->feedback_options['feedback_prompt_count'] >= 3) {
            return false;
        }

        // Show after 7 days of use AND positive interactions
        $days_since_install = (time() - $this->feedback_options['install_date']) / DAY_IN_SECONDS;
        $has_positive_activity = $this->feedback_options['successful_generations'] >= 5 || $this->feedback_options['bulk_completions'] >= 1;

        return $days_since_install >= 7 && $has_positive_activity;
    }

    /**
     * Show admin notices for feedback.
     */
    public function show_feedback_notices() {
        $screen = get_current_screen();
        
        // Only show on relevant admin pages
        if (!in_array($screen->id, array('settings_page_ai-smart-excerpt', 'dashboard', 'post', 'page'))) {
            return;
        }

        if (!$this->should_show_feedback()) {
            return;
        }

        // Update tracking
        $this->feedback_options['last_feedback_prompt'] = time();
        $this->feedback_options['feedback_prompt_count']++;
        $this->save_feedback_options();

        $this->render_feedback_notice();
    }

    /**
     * Render the feedback notice.
     */
    private function render_feedback_notice() {
        $generations = $this->feedback_options['successful_generations'];
        $days_used = ceil((time() - $this->feedback_options['install_date']) / DAY_IN_SECONDS);
        
        ?>
        <div class="notice notice-info ase-feedback-notice is-dismissible" data-notice="feedback">
            <div class="ase-feedback-content">
                <div class="ase-feedback-icon">
                    <span class="dashicons dashicons-heart" style="color: #e74c3c; font-size: 24px;"></span>
                </div>
                <div class="ase-feedback-message">
                    <h3><?php esc_html_e('Loving AI Smart Excerpt?', 'ai-smart-excerpt'); ?></h3>
                    <p>
                        <?php 
                        printf(
                            esc_html__('Great! You\'ve generated %d AI excerpts over %d days. Your experience helps others discover this plugin.', 'ai-smart-excerpt'),
                            $generations,
                            $days_used
                        );
                        ?>
                    </p>
                    <div class="ase-feedback-actions">
                        <a href="https://wordpress.org/support/plugin/a-smart-excerpt/reviews/#new-post" 
                           target="_blank" 
                           class="button button-primary ase-feedback-btn" 
                           data-action="review">
                            <span class="dashicons dashicons-star-filled"></span>
                            <?php esc_html_e('Leave a Review', 'ai-smart-excerpt'); ?>
                        </a>
                        <button type="button" class="button button-secondary ase-feedback-btn" data-action="later">
                            <?php esc_html_e('Maybe Later', 'ai-smart-excerpt'); ?>
                        </button>
                        <button type="button" class="button-link ase-feedback-btn" data-action="dismiss">
                            <?php esc_html_e('Don\'t Ask Again', 'ai-smart-excerpt'); ?>
                        </button>
                    </div>
                </div>
            </div>
        </div>

        <style>
        .ase-feedback-notice {
            border-left-color: #3498db !important;
            padding: 15px !important;
        }
        
        .ase-feedback-content {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }
        
        .ase-feedback-icon {
            flex-shrink: 0;
        }
        
        .ase-feedback-message h3 {
            margin: 0 0 8px 0;
            color: #2c3e50;
        }
        
        .ase-feedback-message p {
            margin: 0 0 15px 0;
            font-size: 14px;
            line-height: 1.5;
        }
        
        .ase-feedback-actions {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .ase-feedback-btn {
            text-decoration: none !important;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        
        .ase-feedback-btn .dashicons {
            font-size: 16px;
            line-height: 1;
        }
        
        .ase-feedback-btn[data-action="review"] {
            background: #e74c3c;
            border-color: #c0392b;
            color: white;
        }
        
        .ase-feedback-btn[data-action="review"]:hover {
            background: #c0392b;
        }
        
        .ase-feedback-btn[data-action="dismiss"] {
            color: #7f8c8d;
            font-size: 13px;
        }
        
        @media (max-width: 768px) {
            .ase-feedback-content {
                flex-direction: column;
                gap: 10px;
            }
            
            .ase-feedback-actions {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        </style>
        <?php
    }

    /**
     * Enqueue feedback scripts.
     */
    public function enqueue_feedback_scripts($hook) {
        if (!$this->should_show_feedback()) {
            return;
        }

        wp_add_inline_script('jquery', '
            jQuery(document).ready(function($) {
                $(".ase-feedback-btn").on("click", function(e) {
                    var action = $(this).data("action");
                    var $notice = $(this).closest(".ase-feedback-notice");
                    
                    if (action === "review") {
                        // Track that user clicked review
                        $.post(ajaxurl, {
                            action: "ase_feedback_given",
                            nonce: "' . wp_create_nonce('ase_feedback_nonce') . '"
                        });
                        // Link will open in new tab
                        setTimeout(function() {
                            $notice.fadeOut();
                        }, 1000);
                    } else if (action === "later") {
                        $notice.fadeOut();
                    } else if (action === "dismiss") {
                        e.preventDefault();
                        $.post(ajaxurl, {
                            action: "ase_dismiss_feedback",
                            nonce: "' . wp_create_nonce('ase_feedback_nonce') . '"
                        });
                        $notice.fadeOut();
                    }
                });
            });
        ');
    }

    /**
     * AJAX handler for dismissing feedback.
     */
    public function ajax_dismiss_feedback() {
        check_ajax_referer('ase_feedback_nonce', 'nonce');
        
        if (!current_user_can('manage_options')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        $this->feedback_options['feedback_dismissed'] = true;
        $this->save_feedback_options();
        
        wp_send_json_success();
    }

    /**
     * AJAX handler for tracking feedback given.
     */
    public function ajax_feedback_given() {
        check_ajax_referer('ase_feedback_nonce', 'nonce');
        
        if (!current_user_can('manage_options')) {
            wp_die(esc_html__('Insufficient permissions', 'ai-smart-excerpt'));
        }

        $this->feedback_options['feedback_given'] = true;
        $this->save_feedback_options();
        
        wp_send_json_success();
    }

    /**
     * Show feedback prompt in post editor after successful generation.
     */
    public function show_post_editor_feedback() {
        $screen = get_current_screen();
        
        if (!in_array($screen->id, array('post', 'page'))) {
            return;
        }

        // Only show if they've had recent success and haven't been prompted recently
        if ($this->feedback_options['feedback_dismissed'] || $this->feedback_options['feedback_given']) {
            return;
        }

        // Show inline feedback in post editor after successful generation
        wp_add_inline_script('ai-smart-excerpt-post-editor', '
            jQuery(document).on("ai_excerpt_generated_success", function() {
                if (Math.random() < 0.1) { // 10% chance
                    setTimeout(function() {
                        if (confirm("' . esc_js(__('AI Smart Excerpt just saved you time! If you\'re happy with the results, would you consider leaving a quick review?', 'ai-smart-excerpt')) . '")) {
                            window.open("https://wordpress.org/support/plugin/a-smart-excerpt/reviews/#new-post", "_blank");
                            jQuery.post(ajaxurl, {
                                action: "ase_feedback_given",
                                nonce: "' . wp_create_nonce('ase_feedback_nonce') . '"
                            });
                        }
                    }, 2000);
                }
            });
        ');
    }

    /**
     * Get feedback statistics for admin display.
     */
    public function get_feedback_stats() {
        return array(
            'total_generations' => $this->feedback_options['successful_generations'],
            'bulk_completions' => $this->feedback_options['bulk_completions'],
            'days_used' => ceil((time() - $this->feedback_options['install_date']) / DAY_IN_SECONDS),
            'feedback_given' => $this->feedback_options['feedback_given'],
            'feedback_dismissed' => $this->feedback_options['feedback_dismissed']
        );
    }
}