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thinkrank / includes / seo / class-content-optimization-manager.php

class-content-optimization-manager.php in ThinkRank AI SEO – AI SEO Plugin for WordPress: Schema, XML Sitemaps, Meta Tags, Search Console & Local SEO trunk, at includes/seo/class-content-optimization-manager.php

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1 <?php
2 /**
3 * Content Optimization Manager Class
4 *
5 * Advanced content optimization engine with real-time scoring, SEO templates,
6 * performance tracking, and integration with AI Content Analyzer. Implements
7 * 2025 SEO best practices with industry-standard optimization algorithms.
8 *
9 * @package ThinkRank
10 * @subpackage SEO
11 * @since 1.0.0
12 */
13
14 declare(strict_types=1);
15
16 namespace ThinkRank\SEO;
17
18 // Prevent direct access
19 if (!defined('ABSPATH')) {
20 exit;
21 }
22
23 /**
24 * Content Optimization Manager Class
25 *
26 * Provides comprehensive content optimization with real-time scoring,
27 * SEO templates, performance tracking, and actionable recommendations
28 * integrated with AI Content Analyzer for complete optimization workflow.
29 *
30 * @since 1.0.0
31 */
32 class Content_Optimization_Manager extends Abstract_SEO_Manager {
33
34 /**
35 * Content optimization scoring weights (2025 SEO standards)
36 *
37 * @since 1.0.0
38 * @var array
39 */
40 private array $optimization_weights = [
41 'content_quality' => 25, // Content depth, uniqueness, value
42 'keyword_optimization' => 20, // Keyword usage and distribution
43 'readability' => 15, // Reading ease and comprehension
44 'structure' => 15, // Headings, paragraphs, formatting
45 'technical_seo' => 10, // Meta tags, URLs, schema
46 'user_experience' => 10, // Engagement signals, CTR optimization
47 'semantic_relevance' => 5 // Topic relevance and entity coverage
48 ];
49
50 /**
51 * SEO content templates for different content types
52 *
53 * @since 1.0.0
54 * @var array
55 */
56 private array $content_templates = [
57 'blog_post' => [
58 'min_word_count' => 300,
59 'optimal_word_count' => 1500,
60 'max_word_count' => 3000,
61 'heading_structure' => [
62 'h1_count' => 1,
63 'h2_min' => 2,
64 'h2_max' => 8,
65 'h3_max' => 15
66 ],
67 'keyword_density' => [
68 'primary' => [1.0, 3.0],
69 'secondary' => [0.5, 2.0],
70 'long_tail' => [0.1, 1.0]
71 ],
72 'content_elements' => [
73 'introduction' => ['min_words' => 50, 'max_words' => 150],
74 'conclusion' => ['min_words' => 50, 'max_words' => 200],
75 'images' => ['min' => 1, 'optimal' => 3],
76 'internal_links' => ['min' => 2, 'optimal' => 5],
77 'external_links' => ['min' => 1, 'optimal' => 3]
78 ]
79 ],
80 'product_page' => [
81 'min_word_count' => 150,
82 'optimal_word_count' => 500,
83 'max_word_count' => 1000,
84 'heading_structure' => [
85 'h1_count' => 1,
86 'h2_min' => 1,
87 'h2_max' => 5,
88 'h3_max' => 10
89 ],
90 'keyword_density' => [
91 'primary' => [1.5, 4.0],
92 'secondary' => [0.5, 2.5],
93 'long_tail' => [0.2, 1.5]
94 ],
95 'content_elements' => [
96 'product_description' => ['min_words' => 100, 'max_words' => 300],
97 'features' => ['min_items' => 3, 'max_items' => 10],
98 'images' => ['min' => 3, 'optimal' => 8],
99 'reviews_section' => ['required' => true],
100 'related_products' => ['min' => 3, 'optimal' => 6]
101 ]
102 ],
103 'landing_page' => [
104 'min_word_count' => 400,
105 'optimal_word_count' => 1200,
106 'max_word_count' => 2500,
107 'heading_structure' => [
108 'h1_count' => 1,
109 'h2_min' => 3,
110 'h2_max' => 6,
111 'h3_max' => 12
112 ],
113 'keyword_density' => [
114 'primary' => [1.5, 3.5],
115 'secondary' => [0.8, 2.5],
116 'long_tail' => [0.3, 1.5]
117 ],
118 'content_elements' => [
119 'hero_section' => ['min_words' => 30, 'max_words' => 80],
120 'value_proposition' => ['min_words' => 50, 'max_words' => 150],
121 'benefits' => ['min_items' => 3, 'max_items' => 6],
122 'social_proof' => ['required' => true],
123 'call_to_action' => ['min' => 2, 'optimal' => 4]
124 ]
125 ],
126 'category_page' => [
127 'min_word_count' => 200,
128 'optimal_word_count' => 800,
129 'max_word_count' => 1500,
130 'heading_structure' => [
131 'h1_count' => 1,
132 'h2_min' => 2,
133 'h2_max' => 6,
134 'h3_max' => 10
135 ],
136 'keyword_density' => [
137 'primary' => [1.0, 3.0],
138 'secondary' => [0.5, 2.0],
139 'long_tail' => [0.2, 1.0]
140 ],
141 'content_elements' => [
142 'category_description' => ['min_words' => 100, 'max_words' => 300],
143 'subcategories' => ['min' => 2, 'optimal' => 8],
144 'featured_products' => ['min' => 6, 'optimal' => 12],
145 'filters' => ['required' => true],
146 'breadcrumbs' => ['required' => true]
147 ]
148 ]
149 ];
150
151 /**
152 * Performance tracking metrics
153 *
154 * @since 1.0.0
155 * @var array
156 */
157 private array $performance_metrics = [
158 'optimization_score' => [
159 'weight' => 30,
160 'target' => 85,
161 'calculation' => 'weighted_average'
162 ],
163 'content_quality_score' => [
164 'weight' => 25,
165 'target' => 80,
166 'calculation' => 'ai_analysis'
167 ],
168 'keyword_performance' => [
169 'weight' => 20,
170 'target' => 75,
171 'calculation' => 'density_distribution'
172 ],
173 'readability_score' => [
174 'weight' => 15,
175 'target' => 70,
176 'calculation' => 'flesch_kincaid'
177 ],
178 'technical_seo_score' => [
179 'weight' => 10,
180 'target' => 90,
181 'calculation' => 'compliance_check'
182 ]
183 ];
184
185 /**
186 * Optimization recommendation priorities
187 *
188 * @since 1.0.0
189 * @var array
190 */
191 private array $recommendation_priorities = [
192 'critical' => [
193 'score_threshold' => 40,
194 'impact' => 'high',
195 'urgency' => 'immediate',
196 'color' => '#dc3545'
197 ],
198 'high' => [
199 'score_threshold' => 60,
200 'impact' => 'high',
201 'urgency' => 'soon',
202 'color' => '#fd7e14'
203 ],
204 'medium' => [
205 'score_threshold' => 75,
206 'impact' => 'medium',
207 'urgency' => 'moderate',
208 'color' => '#ffc107'
209 ],
210 'low' => [
211 'score_threshold' => 85,
212 'impact' => 'low',
213 'urgency' => 'when_possible',
214 'color' => '#28a745'
215 ],
216 'optimal' => [
217 'score_threshold' => 100,
218 'impact' => 'maintenance',
219 'urgency' => 'none',
220 'color' => '#20c997'
221 ]
222 ];
223
224 /**
225 * Constructor
226 *
227 * @since 1.0.0
228 */
229 public function __construct() {
230 parent::__construct('content_optimization_manager');
231 }
232
233 /**
234 * Optimize content with comprehensive analysis and recommendations
235 *
236 * @since 1.0.0
237 *
238 * @param string $content Content to optimize
239 * @param array $keywords Target keywords
240 * @param string $content_type Content type (blog_post, product_page, etc.)
241 * @param array $options Optimization options
242 * @return array Comprehensive optimization results
243 */
244 public function optimize_content(string $content, array $keywords = [], string $content_type = 'blog_post', array $options = []): array {
245 $optimization = [
246 'content_analysis' => [],
247 'optimization_score' => 0,
248 'template_compliance' => [],
249 'recommendations' => [],
250 'performance_metrics' => [],
251 'optimization_opportunities' => [],
252 'content_suggestions' => [],
253 'optimization_timestamp' => current_time('mysql')
254 ];
255
256 // Get AI Content Analyzer results
257 $ai_analyzer = new AI_Content_Analyzer();
258 $optimization['content_analysis'] = $ai_analyzer->analyze_content($content, $keywords, $options);
259
260 // Analyze template compliance
261 $optimization['template_compliance'] = $this->analyze_template_compliance($content, $content_type, $keywords);
262
263 // Calculate comprehensive optimization score
264 $optimization['optimization_score'] = $this->calculate_comprehensive_optimization_score(
265 $optimization['content_analysis'],
266 $optimization['template_compliance']
267 );
268
269 // Generate performance metrics
270 $optimization['performance_metrics'] = $this->calculate_performance_metrics(
271 $optimization['content_analysis'],
272 $optimization['template_compliance']
273 );
274
275 // Generate optimization recommendations
276 $optimization['recommendations'] = $this->generate_optimization_recommendations(
277 $optimization['content_analysis'],
278 $optimization['template_compliance'],
279 $content_type
280 );
281
282 // Identify optimization opportunities
283 $optimization['optimization_opportunities'] = $this->identify_optimization_opportunities(
284 $optimization['content_analysis'],
285 $optimization['template_compliance'],
286 $content_type
287 );
288
289 // Generate content suggestions
290 $optimization['content_suggestions'] = $this->generate_content_suggestions(
291 $optimization['content_analysis'],
292 $content_type,
293 $keywords
294 );
295
296 return $optimization;
297 }
298
299 /**
300 * Get real-time optimization score for content
301 *
302 * @since 1.0.0
303 *
304 * @param string $content Content to score
305 * @param array $keywords Target keywords
306 * @param string $content_type Content type
307 * @return array Real-time scoring results
308 */
309 public function get_realtime_score(string $content, array $keywords = [], string $content_type = 'blog_post'): array {
310 $scoring = [
311 'overall_score' => 0,
312 'component_scores' => [],
313 'quick_wins' => [],
314 'critical_issues' => [],
315 'score_breakdown' => [],
316 'improvement_potential' => 0
317 ];
318
319 // Quick content analysis for real-time feedback
320 $quick_analysis = $this->perform_quick_analysis($content, $keywords, $content_type);
321
322 // Calculate component scores
323 $scoring['component_scores'] = $this->calculate_component_scores($quick_analysis, $content_type);
324
325 // Calculate overall score
326 $scoring['overall_score'] = $this->calculate_weighted_score($scoring['component_scores']);
327
328 // Identify quick wins
329 $scoring['quick_wins'] = $this->identify_quick_wins($quick_analysis, $content_type);
330
331 // Identify critical issues
332 $scoring['critical_issues'] = $this->identify_critical_issues($quick_analysis, $content_type);
333
334 // Generate score breakdown
335 $scoring['score_breakdown'] = $this->generate_score_breakdown($scoring['component_scores']);
336
337 // Calculate improvement potential
338 $scoring['improvement_potential'] = $this->calculate_improvement_potential($scoring['component_scores']);
339
340 return $scoring;
341 }
342
343 /**
344 * Analyze template compliance for content type
345 *
346 * @since 1.0.0
347 *
348 * @param string $content Content to analyze
349 * @param string $content_type Content type
350 * @param array $keywords Target keywords
351 * @return array Template compliance analysis
352 */
353 public function analyze_template_compliance(string $content, string $content_type, array $keywords = []): array {
354 $template = $this->content_templates[$content_type] ?? $this->content_templates['blog_post'];
355
356 $compliance = [
357 'content_type' => $content_type,
358 'template_score' => 0,
359 'word_count_compliance' => [],
360 'heading_compliance' => [],
361 'keyword_compliance' => [],
362 'element_compliance' => [],
363 'compliance_percentage' => 0,
364 'missing_elements' => [],
365 'recommendations' => []
366 ];
367
368 // Analyze word count compliance
369 $compliance['word_count_compliance'] = $this->analyze_word_count_compliance($content, $template);
370
371 // Analyze heading structure compliance
372 $compliance['heading_compliance'] = $this->analyze_heading_compliance($content, $template);
373
374 // Analyze keyword density compliance
375 if (!empty($keywords)) {
376 $compliance['keyword_compliance'] = $this->analyze_keyword_compliance($content, $keywords, $template);
377 }
378
379 // Analyze content elements compliance
380 $compliance['element_compliance'] = $this->analyze_element_compliance($content, $template);
381
382 // Calculate template score
383 $compliance['template_score'] = $this->calculate_template_score($compliance);
384
385 // Calculate compliance percentage
386 $compliance['compliance_percentage'] = $this->calculate_compliance_percentage($compliance);
387
388 // Identify missing elements
389 $compliance['missing_elements'] = $this->identify_missing_elements($compliance, $template);
390
391 // Generate template recommendations
392 $compliance['recommendations'] = $this->generate_template_recommendations($compliance, $template);
393
394 return $compliance;
395 }
396
397 /**
398 * Track content performance over time
399 *
400 * @since 1.0.0
401 *
402 * @param string $context_type Context type
403 * @param int|null $context_id Context ID
404 * @param array $metrics Performance metrics
405 * @return array Performance tracking results
406 */
407 public function track_performance(string $context_type, ?int $context_id, array $metrics): array {
408 $tracking = [
409 'current_metrics' => $metrics,
410 'historical_data' => [],
411 'performance_trends' => [],
412 'improvement_rate' => 0,
413 'performance_score' => 0,
414 'benchmark_comparison' => [],
415 'tracking_timestamp' => current_time('mysql')
416 ];
417
418 // Get historical performance data
419 $tracking['historical_data'] = $this->get_historical_performance($context_type, $context_id);
420
421 // Calculate performance trends
422 $tracking['performance_trends'] = $this->calculate_performance_trends($tracking['historical_data'], $metrics);
423
424 // Calculate improvement rate
425 $tracking['improvement_rate'] = $this->calculate_improvement_rate($tracking['performance_trends']);
426
427 // Calculate overall performance score
428 $tracking['performance_score'] = $this->calculate_performance_score($metrics);
429
430 // Compare with benchmarks
431 $tracking['benchmark_comparison'] = $this->compare_with_benchmarks($metrics, $context_type);
432
433 // Store performance data
434 $this->store_performance_data($context_type, $context_id, $tracking);
435
436 return $tracking;
437 }
438
439 /**
440 * Validate SEO settings (implements interface)
441 *
442 * @since 1.0.0
443 *
444 * @param array $settings Settings array to validate
445 * @return array Validation results
446 */
447 public function validate_settings(array $settings): array {
448 $validation = [
449 'valid' => true,
450 'errors' => [],
451 'warnings' => [],
452 'suggestions' => [],
453 'score' => 100
454 ];
455
456 // Validate optimization weights
457 if (isset($settings['optimization_weights']) && is_array($settings['optimization_weights'])) {
458 $total_weight = array_sum($settings['optimization_weights']);
459 if ($total_weight !== 100) {
460 $validation['errors'][] = 'Optimization weights must total 100%';
461 $validation['valid'] = false;
462 }
463 }
464
465 // Validate content templates
466 if (isset($settings['content_templates']) && is_array($settings['content_templates'])) {
467 foreach ($settings['content_templates'] as $type => $template) {
468 if (!isset($template['min_word_count']) || !is_numeric($template['min_word_count'])) {
469 $validation['errors'][] = "Invalid min_word_count for content type: {$type}";
470 $validation['valid'] = false;
471 }
472 }
473 }
474
475 // Validate performance targets
476 if (isset($settings['performance_targets']) && is_array($settings['performance_targets'])) {
477 foreach ($settings['performance_targets'] as $metric => $target) {
478 if (!is_numeric($target) || $target < 0 || $target > 100) {
479 $validation['errors'][] = "Invalid performance target for {$metric}: must be 0-100";
480 $validation['valid'] = false;
481 }
482 }
483 }
484
485 // Validate optimization features
486 if (isset($settings['realtime_optimization']) && !is_bool($settings['realtime_optimization'])) {
487 $validation['errors'][] = 'Real-time optimization setting must be boolean';
488 $validation['valid'] = false;
489 }
490
491 if (isset($settings['auto_suggestions']) && !is_bool($settings['auto_suggestions'])) {
492 $validation['errors'][] = 'Auto suggestions setting must be boolean';
493 $validation['valid'] = false;
494 }
495
496 // Calculate validation score
497 $validation['score'] = $this->calculate_validation_score($validation);
498
499 return $validation;
500 }
501
502 /**
503 * Get output data for frontend rendering (implements interface)
504 *
505 * @since 1.0.0
506 *
507 * @param string $context_type The context type
508 * @param int|null $context_id Optional. Context ID
509 * @return array Output data ready for frontend rendering
510 */
511 public function get_output_data(string $context_type, ?int $context_id): array {
512 $settings = $this->get_settings($context_type, $context_id);
513
514 $output = [
515 'optimization_dashboard' => [],
516 'realtime_scoring' => [],
517 'content_templates' => [],
518 'performance_metrics' => [],
519 'recommendations' => [],
520 'enabled' => $settings['enabled'] ?? true
521 ];
522
523 if (!$output['enabled']) {
524 return $output;
525 }
526
527 // Get content for optimization
528 $content = $this->extract_content_for_optimization($context_type, $context_id);
529 $keywords = $this->extract_target_keywords($context_type, $context_id);
530 $content_type = $this->determine_content_type($context_type, $context_id);
531
532 if (!empty($content)) {
533 // Generate optimization dashboard
534 $output['optimization_dashboard'] = $this->generate_optimization_dashboard($content, $keywords, $content_type);
535
536 // Get real-time scoring
537 $output['realtime_scoring'] = $this->get_realtime_score($content, $keywords, $content_type);
538
539 // Get content templates
540 $output['content_templates'] = $this->get_content_templates_for_type($content_type);
541
542 // Get performance metrics
543 $output['performance_metrics'] = $this->get_performance_metrics($context_type, $context_id);
544
545 // Get optimization recommendations
546 $optimization_results = $this->optimize_content($content, $keywords, $content_type);
547 $output['recommendations'] = $optimization_results['recommendations'] ?? [];
548
549 // Store optimization results
550 $this->store_optimization_results($context_type, $context_id, $optimization_results);
551 }
552
553 return $output;
554 }
555
556 /**
557 * Get default settings for a context type (implements interface)
558 *
559 * @since 1.0.0
560 *
561 * @param string $context_type The context type to get defaults for
562 * @return array Default settings array
563 */
564 public function get_default_settings(string $context_type): array {
565 $defaults = [
566 'enabled' => true,
567 'realtime_optimization' => true,
568 'auto_suggestions' => true,
569 'performance_tracking' => true,
570 'template_compliance_check' => true,
571 'optimization_weights' => $this->optimization_weights,
572 'performance_targets' => [
573 'optimization_score' => 85,
574 'content_quality' => 80,
575 'keyword_performance' => 75,
576 'readability' => 70,
577 'technical_seo' => 90
578 ],
579 'notification_thresholds' => [
580 'critical' => 40,
581 'warning' => 60,
582 'success' => 85
583 ]
584 ];
585
586 // Context-specific defaults
587 switch ($context_type) {
588 case 'post':
589 $defaults['default_content_type'] = 'blog_post';
590 $defaults['performance_targets']['optimization_score'] = 85;
591 break;
592 case 'page':
593 $defaults['default_content_type'] = 'landing_page';
594 $defaults['performance_targets']['optimization_score'] = 90;
595 break;
596 case 'product':
597 $defaults['default_content_type'] = 'product_page';
598 $defaults['performance_targets']['optimization_score'] = 80;
599 break;
600 case 'category':
601 $defaults['default_content_type'] = 'category_page';
602 $defaults['performance_targets']['optimization_score'] = 75;
603 break;
604 }
605
606 return $defaults;
607 }
608
609 /**
610 * Get settings schema definition (implements interface)
611 *
612 * @since 1.0.0
613 *
614 * @param string $context_type The context type to get schema for
615 * @return array Settings schema definition
616 */
617 public function get_settings_schema(string $context_type): array {
618 return [
619 'enabled' => [
620 'type' => 'boolean',
621 'title' => 'Enable Content Optimization',
622 'description' => 'Enable content optimization engine and recommendations',
623 'default' => true
624 ],
625 'realtime_optimization' => [
626 'type' => 'boolean',
627 'title' => 'Real-time Optimization',
628 'description' => 'Enable real-time content scoring and feedback',
629 'default' => true
630 ],
631 'auto_suggestions' => [
632 'type' => 'boolean',
633 'title' => 'Auto Suggestions',
634 'description' => 'Automatically generate content improvement suggestions',
635 'default' => true
636 ],
637 'performance_tracking' => [
638 'type' => 'boolean',
639 'title' => 'Performance Tracking',
640 'description' => 'Track content performance metrics over time',
641 'default' => true
642 ],
643 'template_compliance_check' => [
644 'type' => 'boolean',
645 'title' => 'Template Compliance Check',
646 'description' => 'Check content against SEO templates and best practices',
647 'default' => true
648 ],
649 'optimization_score_target' => [
650 'type' => 'integer',
651 'title' => 'Optimization Score Target',
652 'description' => 'Target optimization score (0-100)',
653 'minimum' => 0,
654 'maximum' => 100,
655 'default' => 85
656 ],
657 'content_quality_target' => [
658 'type' => 'integer',
659 'title' => 'Content Quality Target',
660 'description' => 'Target content quality score (0-100)',
661 'minimum' => 0,
662 'maximum' => 100,
663 'default' => 80
664 ],
665 'default_content_type' => [
666 'type' => 'string',
667 'title' => 'Default Content Type',
668 'description' => 'Default content type for optimization templates',
669 'enum' => ['blog_post', 'product_page', 'landing_page', 'category_page'],
670 'default' => 'blog_post'
671 ]
672 ];
673 }
674
675 /**
676 * Calculate comprehensive optimization score
677 *
678 * @since 1.0.0
679 *
680 * @param array $content_analysis AI content analysis results
681 * @param array $template_compliance Template compliance results
682 * @return int Comprehensive optimization score (0-100)
683 */
684 private function calculate_comprehensive_optimization_score(array $content_analysis, array $template_compliance): int {
685 $scores = [];
686
687 // Content quality score (25% weight)
688 if (!empty($content_analysis['optimization_score'])) {
689 $scores['content_quality'] = $content_analysis['optimization_score'] * ($this->optimization_weights['content_quality'] / 100);
690 }
691
692 // Keyword optimization score (20% weight)
693 if (!empty($content_analysis['keyword_analysis']['optimization_score'])) {
694 $scores['keyword_optimization'] = $content_analysis['keyword_analysis']['optimization_score'] * ($this->optimization_weights['keyword_optimization'] / 100);
695 }
696
697 // Readability score (15% weight)
698 if (!empty($content_analysis['readability']['readability_score'])) {
699 $scores['readability'] = $content_analysis['readability']['readability_score'] * ($this->optimization_weights['readability'] / 100);
700 }
701
702 // Structure score (15% weight)
703 if (!empty($content_analysis['structure_analysis']['structure_score'])) {
704 $scores['structure'] = $content_analysis['structure_analysis']['structure_score'] * ($this->optimization_weights['structure'] / 100);
705 }
706
707 // Template compliance score (10% weight)
708 if (!empty($template_compliance['template_score'])) {
709 $scores['technical_seo'] = $template_compliance['template_score'] * ($this->optimization_weights['technical_seo'] / 100);
710 }
711
712 // User experience score (10% weight)
713 $ux_score = $this->calculate_user_experience_score($content_analysis, $template_compliance);
714 $scores['user_experience'] = $ux_score * ($this->optimization_weights['user_experience'] / 100);
715
716 // Semantic relevance score (5% weight)
717 if (!empty($content_analysis['semantic_analysis']['relevance_score'])) {
718 $scores['semantic_relevance'] = $content_analysis['semantic_analysis']['relevance_score'] * ($this->optimization_weights['semantic_relevance'] / 100);
719 }
720
721 return (int) round(array_sum($scores));
722 }
723
724 /**
725 * Perform quick analysis for real-time feedback
726 *
727 * @since 1.0.0
728 *
729 * @param string $content Content to analyze
730 * @param array $keywords Target keywords
731 * @param string $content_type Content type
732 * @return array Quick analysis results
733 */
734 private function perform_quick_analysis(string $content, array $keywords, string $content_type): array {
735 $analysis = [
736 'word_count' => str_word_count(wp_strip_all_tags($content)),
737 'character_count' => strlen(wp_strip_all_tags($content)),
738 'paragraph_count' => count(preg_split('/\n\s*\n/', trim($content), -1, PREG_SPLIT_NO_EMPTY)),
739 'heading_count' => preg_match_all('/<h[1-6][^>]*>/i', $content),
740 'image_count' => preg_match_all('/<img[^>]*>/i', $content),
741 'link_count' => preg_match_all('/<a[^>]*href/i', $content),
742 'keyword_density' => [],
743 'readability_estimate' => 0
744 ];
745
746 // Quick keyword density calculation
747 if (!empty($keywords)) {
748 $content_lower = strtolower(wp_strip_all_tags($content));
749 foreach ($keywords as $keyword) {
750 $keyword_lower = strtolower($keyword);
751 $occurrences = substr_count($content_lower, $keyword_lower);
752 $analysis['keyword_density'][$keyword] = $analysis['word_count'] > 0 ?
753 ($occurrences / $analysis['word_count']) * 100 : 0;
754 }
755 }
756
757 // Quick readability estimate
758 if ($analysis['word_count'] > 0 && $analysis['paragraph_count'] > 0) {
759 $avg_words_per_paragraph = $analysis['word_count'] / $analysis['paragraph_count'];
760 $analysis['readability_estimate'] = max(0, min(100, 100 - ($avg_words_per_paragraph * 2)));
761 }
762
763 return $analysis;
764 }
765
766 /**
767 * Calculate component scores for real-time feedback
768 *
769 * @since 1.0.0
770 *
771 * @param array $quick_analysis Quick analysis results
772 * @param string $content_type Content type
773 * @return array Component scores
774 */
775 private function calculate_component_scores(array $quick_analysis, string $content_type): array {
776 $template = $this->content_templates[$content_type] ?? $this->content_templates['blog_post'];
777 $scores = [];
778
779 // Word count score
780 $word_count = $quick_analysis['word_count'];
781 if ($word_count >= $template['optimal_word_count']) {
782 $scores['word_count'] = 100;
783 } elseif ($word_count >= $template['min_word_count']) {
784 $scores['word_count'] = 50 + (($word_count - $template['min_word_count']) /
785 ($template['optimal_word_count'] - $template['min_word_count'])) * 50;
786 } else {
787 $scores['word_count'] = ($word_count / $template['min_word_count']) * 50;
788 }
789
790 // Heading structure score
791 $heading_count = $quick_analysis['heading_count'];
792 $min_headings = $template['heading_structure']['h2_min'] ?? 2;
793 $scores['headings'] = min(100, ($heading_count / $min_headings) * 100);
794
795 // Keyword density score
796 $keyword_scores = [];
797 foreach ($quick_analysis['keyword_density'] as $keyword => $density) {
798 if ($density >= 1.0 && $density <= 3.0) {
799 $keyword_scores[] = 100;
800 } elseif ($density >= 0.5 && $density <= 5.0) {
801 $keyword_scores[] = 70;
802 } else {
803 $keyword_scores[] = 30;
804 }
805 }
806 $scores['keywords'] = !empty($keyword_scores) ? array_sum($keyword_scores) / count($keyword_scores) : 50;
807
808 // Readability score
809 $scores['readability'] = $quick_analysis['readability_estimate'];
810
811 // Content elements score
812 $element_score = 0;
813 if ($quick_analysis['image_count'] > 0) {
814 $element_score += 25;
815 }
816 if ($quick_analysis['link_count'] > 0) {
817 $element_score += 25;
818 }
819 if ($quick_analysis['paragraph_count'] >= 3) {
820 $element_score += 25;
821 }
822 if ($quick_analysis['heading_count'] >= 2) {
823 $element_score += 25;
824 }
825 $scores['elements'] = $element_score;
826
827 return $scores;
828 }
829
830 /**
831 * Calculate weighted score from component scores
832 *
833 * @since 1.0.0
834 *
835 * @param array $component_scores Component scores
836 * @return int Weighted overall score
837 */
838 private function calculate_weighted_score(array $component_scores): int {
839 $weights = [
840 'word_count' => 20,
841 'headings' => 15,
842 'keywords' => 25,
843 'readability' => 20,
844 'elements' => 20
845 ];
846
847 $weighted_sum = 0;
848 $total_weight = 0;
849
850 foreach ($component_scores as $component => $score) {
851 $weight = $weights[$component] ?? 0;
852 $weighted_sum += $score * $weight;
853 $total_weight += $weight;
854 }
855
856 return $total_weight > 0 ? (int) round($weighted_sum / $total_weight) : 0;
857 }
858
859 /**
860 * Identify quick wins for optimization
861 *
862 * @since 1.0.0
863 *
864 * @param array $quick_analysis Quick analysis results
865 * @param string $content_type Content type
866 * @return array Quick win recommendations
867 */
868 private function identify_quick_wins(array $quick_analysis, string $content_type): array {
869 $quick_wins = [];
870 $template = $this->content_templates[$content_type] ?? $this->content_templates['blog_post'];
871
872 // Word count quick wins
873 if ($quick_analysis['word_count'] < $template['min_word_count']) {
874 $needed_words = $template['min_word_count'] - $quick_analysis['word_count'];
875 $quick_wins[] = [
876 'type' => 'word_count',
877 'priority' => 'high',
878 'effort' => 'medium',
879 'impact' => 'high',
880 'message' => "Add {$needed_words} more words to reach minimum length",
881 'action' => 'Expand content with relevant information'
882 ];
883 }
884
885 // Heading quick wins
886 if ($quick_analysis['heading_count'] < 2) {
887 $quick_wins[] = [
888 'type' => 'headings',
889 'priority' => 'medium',
890 'effort' => 'low',
891 'impact' => 'medium',
892 'message' => 'Add more heading tags to improve structure',
893 'action' => 'Break content into sections with H2 and H3 tags'
894 ];
895 }
896
897 // Image quick wins
898 if ($quick_analysis['image_count'] === 0) {
899 $quick_wins[] = [
900 'type' => 'images',
901 'priority' => 'medium',
902 'effort' => 'low',
903 'impact' => 'medium',
904 'message' => 'Add images to improve engagement',
905 'action' => 'Include relevant images with alt text'
906 ];
907 }
908
909 // Keyword density quick wins
910 foreach ($quick_analysis['keyword_density'] as $keyword => $density) {
911 if ($density < 0.5) {
912 $quick_wins[] = [
913 'type' => 'keyword_density',
914 'priority' => 'high',
915 'effort' => 'low',
916 'impact' => 'high',
917 'message' => "Increase usage of keyword '{$keyword}'",
918 'action' => 'Add keyword naturally throughout content'
919 ];
920 }
921 }
922
923 return $quick_wins;
924 }
925
926 /**
927 * Identify critical issues requiring immediate attention
928 *
929 * @since 1.0.0
930 *
931 * @param array $quick_analysis Quick analysis results
932 * @param string $content_type Content type
933 * @return array Critical issues
934 */
935 private function identify_critical_issues(array $quick_analysis, string $content_type): array {
936 $critical_issues = [];
937 $template = $this->content_templates[$content_type] ?? $this->content_templates['blog_post'];
938
939 // Critical word count issues
940 if ($quick_analysis['word_count'] < ($template['min_word_count'] * 0.5)) {
941 $critical_issues[] = [
942 'type' => 'word_count',
943 'severity' => 'critical',
944 'message' => 'Content is severely under the minimum word count',
945 'impact' => 'SEO performance will be significantly impacted',
946 'action' => 'Substantially expand content before publishing'
947 ];
948 }
949
950 // Critical keyword issues
951 foreach ($quick_analysis['keyword_density'] as $keyword => $density) {
952 if ($density > 5.0) {
953 $critical_issues[] = [
954 'type' => 'keyword_stuffing',
955 'severity' => 'critical',
956 'message' => "Keyword '{$keyword}' may be over-optimized (keyword stuffing)",
957 'impact' => 'Search engines may penalize this content',
958 'action' => 'Reduce keyword density to 1-3%'
959 ];
960 }
961 }
962
963 // Critical structure issues
964 if ($quick_analysis['heading_count'] === 0) {
965 $critical_issues[] = [
966 'type' => 'no_headings',
967 'severity' => 'critical',
968 'message' => 'Content has no heading structure',
969 'impact' => 'Poor readability and SEO performance',
970 'action' => 'Add proper heading hierarchy (H1, H2, H3)'
971 ];
972 }
973
974 return $critical_issues;
975 }
976
977 /**
978 * Generate score breakdown for visualization
979 *
980 * @since 1.0.0
981 *
982 * @param array $component_scores Component scores
983 * @return array Score breakdown data
984 */
985 private function generate_score_breakdown(array $component_scores): array {
986 $breakdown = [];
987
988 foreach ($component_scores as $component => $score) {
989 $breakdown[] = [
990 'component' => $component,
991 'score' => (int) round($score),
992 'status' => $this->get_score_status($score),
993 'color' => $this->get_score_color($score),
994 'description' => $this->get_component_description($component)
995 ];
996 }
997
998 return $breakdown;
999 }
1000
1001 /**
1002 * Calculate improvement potential
1003 *
1004 * @since 1.0.0
1005 *
1006 * @param array $component_scores Component scores
1007 * @return int Improvement potential percentage
1008 */
1009 private function calculate_improvement_potential(array $component_scores): int {
1010 $total_possible = count($component_scores) * 100;
1011 $current_total = array_sum($component_scores);
1012 $potential = $total_possible - $current_total;
1013
1014 return (int) round(($potential / $total_possible) * 100);
1015 }
1016
1017 /**
1018 * Extract content for optimization
1019 *
1020 * @since 1.0.0
1021 *
1022 * @param string $context_type Context type
1023 * @param int|null $context_id Context ID
1024 * @return string Content to optimize
1025 */
1026 private function extract_content_for_optimization(string $context_type, ?int $context_id): string {
1027 $content = '';
1028
1029 switch ($context_type) {
1030 case 'post':
1031 case 'page':
1032 case 'product':
1033 if ($context_id) {
1034 $post = get_post($context_id);
1035 if ($post) {
1036 $content = $post->post_title . ' ' . $post->post_content;
1037 }
1038 }
1039 break;
1040 case 'site':
1041 // Get homepage content
1042 $homepage_id = get_option('page_on_front');
1043 if ($homepage_id && $homepage_id !== '0') {
1044 $homepage = get_post($homepage_id);
1045 if ($homepage) {
1046 $content = $homepage->post_title . ' ' . $homepage->post_content;
1047 }
1048 } else {
1049 // Get recent posts for blog homepage
1050 $recent_posts = get_posts(['numberposts' => 3]);
1051 $content_parts = [];
1052 foreach ($recent_posts as $post) {
1053 $content_parts[] = $post->post_title . ' ' . wp_trim_words($post->post_content, 100);
1054 }
1055 $content = implode(' ', $content_parts);
1056 }
1057 break;
1058 }
1059
1060 return $content;
1061 }
1062
1063 /**
1064 * Extract target keywords for optimization
1065 *
1066 * @since 1.0.0
1067 *
1068 * @param string $context_type Context type
1069 * @param int|null $context_id Context ID
1070 * @return array Target keywords
1071 */
1072 private function extract_target_keywords(string $context_type, ?int $context_id): array {
1073 // This would typically get keywords from the database
1074 // For now, return some default keywords based on content
1075 $keywords = [];
1076
1077 $content = $this->extract_content_for_optimization($context_type, $context_id);
1078 if (!empty($content)) {
1079 // Simple keyword extraction from title and content
1080 $words = str_word_count(strtolower(wp_strip_all_tags($content)), 1);
1081 $word_counts = array_count_values($words);
1082
1083 // Remove common stop words
1084 $stop_words = ['the', 'and', 'or', 'but', 'in', 'on', 'at', 'to', 'for', 'of', 'with', 'by'];
1085 foreach ($stop_words as $stop_word) {
1086 unset($word_counts[$stop_word]);
1087 }
1088
1089 arsort($word_counts);
1090 $keywords = array_slice(array_keys($word_counts), 0, 5);
1091 }
1092
1093 return $keywords;
1094 }
1095
1096 /**
1097 * Determine content type from context
1098 *
1099 * @since 1.0.0
1100 *
1101 * @param string $context_type Context type
1102 * @param int|null $context_id Context ID
1103 * @return string Content type
1104 */
1105 private function determine_content_type(string $context_type, ?int $context_id): string {
1106 switch ($context_type) {
1107 case 'post':
1108 return 'blog_post';
1109 case 'page':
1110 return 'landing_page';
1111 case 'product':
1112 return 'product_page';
1113 case 'category':
1114 return 'category_page';
1115 default:
1116 return 'blog_post';
1117 }
1118 }
1119
1120 /**
1121 * Store optimization results in database
1122 *
1123 * @since 1.0.0
1124 *
1125 * @param string $context_type Context type
1126 * @param int|null $context_id Context ID
1127 * @param array $results Optimization results
1128 * @return bool Success status
1129 */
1130 private function store_optimization_results(string $context_type, ?int $context_id, array $results): bool {
1131 global $wpdb;
1132
1133 $table_name = $wpdb->prefix . 'thinkrank_seo_analysis';
1134
1135 $data = [
1136 'context_type' => $context_type,
1137 'context_id' => $context_id,
1138 'analysis_type' => 'content_optimization',
1139 'analysis_data' => wp_json_encode($results),
1140 'score' => $results['optimization_score'] ?? 0,
1141 'status' => 'completed',
1142 'recommendations' => wp_json_encode($results['recommendations'] ?? []),
1143 'analyzed_by' => get_current_user_id()
1144 ];
1145
1146 // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, PluginCheck.Security.DirectDB.UnescapedDBParameter -- Optimization results storage requires direct database access
1147 $result = $wpdb->insert($table_name, $data);
1148
1149 return $result !== false;
1150 }
1151
1152 /**
1153 * Calculate validation score
1154 *
1155 * @since 1.0.0
1156 *
1157 * @param array $validation Validation results
1158 * @return int Score (0-100)
1159 */
1160 private function calculate_validation_score(array $validation): int {
1161 $score = 100;
1162 $score -= count($validation['errors']) * 20;
1163 $score -= count($validation['warnings']) * 10;
1164 $score -= count($validation['suggestions']) * 5;
1165
1166 return max(0, $score);
1167 }
1168
1169 /**
1170 * Get score status based on score value
1171 *
1172 * @since 1.0.0
1173 *
1174 * @param float $score Score value
1175 * @return string Status
1176 */
1177 private function get_score_status(float $score): string {
1178 if ($score >= 85) {
1179 return 'excellent';
1180 } elseif ($score >= 70) {
1181 return 'good';
1182 } elseif ($score >= 50) {
1183 return 'fair';
1184 } else {
1185 return 'poor';
1186 }
1187 }
1188
1189 /**
1190 * Get score color based on score value
1191 *
1192 * @since 1.0.0
1193 *
1194 * @param float $score Score value
1195 * @return string Color code
1196 */
1197 private function get_score_color(float $score): string {
1198 if ($score >= 85) {
1199 return '#28a745'; // Green
1200 } elseif ($score >= 70) {
1201 return '#20c997'; // Teal
1202 } elseif ($score >= 50) {
1203 return '#ffc107'; // Yellow
1204 } else {
1205 return '#dc3545'; // Red
1206 }
1207 }
1208
1209 /**
1210 * Get component description
1211 *
1212 * @since 1.0.0
1213 *
1214 * @param string $component Component name
1215 * @return string Description
1216 */
1217 private function get_component_description(string $component): string {
1218 $descriptions = [
1219 'word_count' => 'Content length and depth',
1220 'headings' => 'Heading structure and organization',
1221 'keywords' => 'Keyword optimization and density',
1222 'readability' => 'Reading ease and comprehension',
1223 'elements' => 'Content elements (images, links, etc.)'
1224 ];
1225
1226 return $descriptions[$component] ?? 'Content optimization component';
1227 }
1228
1229 /**
1230 * Simple implementations for helper methods
1231 * These would be enhanced with more sophisticated algorithms in production
1232 */
1233
1234 private function analyze_word_count_compliance(string $content, array $template): array {
1235 $word_count = str_word_count(wp_strip_all_tags($content));
1236 $min_words = $template['min_word_count'];
1237 $optimal_words = $template['optimal_word_count'];
1238
1239 $compliance_score = 0;
1240 if ($word_count >= $optimal_words) {
1241 $compliance_score = 100;
1242 } elseif ($word_count >= $min_words) {
1243 $compliance_score = 50 + (($word_count - $min_words) / ($optimal_words - $min_words)) * 50;
1244 } else {
1245 $compliance_score = ($word_count / $min_words) * 50;
1246 }
1247
1248 return [
1249 'current_count' => $word_count,
1250 'min_required' => $min_words,
1251 'optimal_count' => $optimal_words,
1252 'compliance_score' => (int) round($compliance_score),
1253 'status' => $word_count >= $min_words ? 'compliant' : 'non_compliant'
1254 ];
1255 }
1256
1257 private function analyze_heading_compliance(string $content, array $template): array {
1258 $heading_counts = [];
1259 for ($i = 1; $i <= 6; $i++) {
1260 $heading_counts["h{$i}"] = preg_match_all("/<h{$i}[^>]*>/i", $content);
1261 }
1262
1263 $compliance_score = 100;
1264 $issues = [];
1265
1266 // Check H1 count
1267 if ($heading_counts['h1'] !== 1) {
1268 $compliance_score -= 30;
1269 $issues[] = 'Should have exactly one H1 tag';
1270 }
1271
1272 // Check H2 minimum
1273 $h2_min = $template['heading_structure']['h2_min'] ?? 2;
1274 if ($heading_counts['h2'] < $h2_min) {
1275 $compliance_score -= 20;
1276 $issues[] = "Should have at least {$h2_min} H2 tags";
1277 }
1278
1279 return [
1280 'heading_counts' => $heading_counts,
1281 'compliance_score' => max(0, $compliance_score),
1282 'issues' => $issues,
1283 'status' => empty($issues) ? 'compliant' : 'non_compliant'
1284 ];
1285 }
1286
1287 private function analyze_keyword_compliance(string $content, array $keywords, array $template): array {
1288 $content_lower = strtolower(wp_strip_all_tags($content));
1289 $word_count = str_word_count($content_lower);
1290 $compliance_data = [];
1291
1292 foreach ($keywords as $index => $keyword) {
1293 $keyword_lower = strtolower($keyword);
1294 $occurrences = substr_count($content_lower, $keyword_lower);
1295 $density = $word_count > 0 ? ($occurrences / $word_count) * 100 : 0;
1296
1297 $keyword_type = $index === 0 ? 'primary' : 'secondary';
1298 $target_range = $template['keyword_density'][$keyword_type] ?? [1.0, 3.0];
1299
1300 $compliance_data[] = [
1301 'keyword' => $keyword,
1302 'type' => $keyword_type,
1303 'density' => round($density, 2),
1304 'target_range' => $target_range,
1305 'compliant' => $density >= $target_range[0] && $density <= $target_range[1]
1306 ];
1307 }
1308
1309 return $compliance_data;
1310 }
1311
1312 private function analyze_element_compliance(string $content, array $template): array {
1313 $elements = $template['content_elements'] ?? [];
1314 $compliance_data = [];
1315
1316 // Check images
1317 if (isset($elements['images'])) {
1318 $image_count = preg_match_all('/<img[^>]*>/i', $content);
1319 $min_images = $elements['images']['min'] ?? 1;
1320 $compliance_data['images'] = [
1321 'current' => $image_count,
1322 'required' => $min_images,
1323 'compliant' => $image_count >= $min_images
1324 ];
1325 }
1326
1327 // Check internal links
1328 if (isset($elements['internal_links'])) {
1329 $link_count = preg_match_all('/<a[^>]*href/i', $content);
1330 $min_links = $elements['internal_links']['min'] ?? 2;
1331 $compliance_data['internal_links'] = [
1332 'current' => $link_count,
1333 'required' => $min_links,
1334 'compliant' => $link_count >= $min_links
1335 ];
1336 }
1337
1338 return $compliance_data;
1339 }
1340
1341 private function calculate_template_score(array $compliance): int {
1342 $scores = [];
1343
1344 if (!empty($compliance['word_count_compliance']['compliance_score'])) {
1345 $scores[] = $compliance['word_count_compliance']['compliance_score'];
1346 }
1347
1348 if (!empty($compliance['heading_compliance']['compliance_score'])) {
1349 $scores[] = $compliance['heading_compliance']['compliance_score'];
1350 }
1351
1352 // Add other compliance scores
1353
1354 return !empty($scores) ? (int) round(array_sum($scores) / count($scores)) : 0;
1355 }
1356
1357 private function calculate_compliance_percentage(array $compliance): int {
1358 $total_checks = 0;
1359 $passed_checks = 0;
1360
1361 // Count word count compliance
1362 if (!empty($compliance['word_count_compliance'])) {
1363 $total_checks++;
1364 if ($compliance['word_count_compliance']['status'] === 'compliant') {
1365 $passed_checks++;
1366 }
1367 }
1368
1369 // Count heading compliance
1370 if (!empty($compliance['heading_compliance'])) {
1371 $total_checks++;
1372 if ($compliance['heading_compliance']['status'] === 'compliant') {
1373 $passed_checks++;
1374 }
1375 }
1376
1377 return $total_checks > 0 ? (int) round(($passed_checks / $total_checks) * 100) : 0;
1378 }
1379
1380 private function identify_missing_elements(array $compliance, array $template): array {
1381 $missing = [];
1382
1383 // Check for missing content elements
1384 if (!empty($compliance['element_compliance'])) {
1385 foreach ($compliance['element_compliance'] as $element => $data) {
1386 if (!$data['compliant']) {
1387 $missing[] = [
1388 'element' => $element,
1389 'current' => $data['current'],
1390 'required' => $data['required']
1391 ];
1392 }
1393 }
1394 }
1395
1396 return $missing;
1397 }
1398
1399 private function generate_template_recommendations(array $compliance, array $template): array {
1400 $recommendations = [];
1401
1402 // Word count recommendations
1403 if (!empty($compliance['word_count_compliance']) &&
1404 $compliance['word_count_compliance']['status'] === 'non_compliant') {
1405 $needed = $compliance['word_count_compliance']['min_required'] -
1406 $compliance['word_count_compliance']['current_count'];
1407 $recommendations[] = [
1408 'type' => 'word_count',
1409 'priority' => 'high',
1410 'message' => "Add {$needed} more words to meet minimum requirements",
1411 'action' => 'Expand content with relevant information'
1412 ];
1413 }
1414
1415 // Heading recommendations
1416 if (!empty($compliance['heading_compliance']['issues'])) {
1417 foreach ($compliance['heading_compliance']['issues'] as $issue) {
1418 $recommendations[] = [
1419 'type' => 'headings',
1420 'priority' => 'medium',
1421 'message' => $issue,
1422 'action' => 'Improve heading structure'
1423 ];
1424 }
1425 }
1426
1427 return $recommendations;
1428 }
1429
1430 private function calculate_user_experience_score(array $content_analysis, array $template_compliance): int {
1431 $score = 100;
1432
1433 // Deduct for poor readability
1434 if (!empty($content_analysis['readability']['readability_score'])) {
1435 if ($content_analysis['readability']['readability_score'] < 60) {
1436 $score -= 30;
1437 }
1438 }
1439
1440 // Deduct for poor structure
1441 if (!empty($template_compliance['heading_compliance']['compliance_score'])) {
1442 if ($template_compliance['heading_compliance']['compliance_score'] < 70) {
1443 $score -= 20;
1444 }
1445 }
1446
1447 return max(0, $score);
1448 }
1449
1450 // Placeholder implementations for methods referenced but not yet implemented
1451 private function calculate_performance_metrics(array $content_analysis, array $template_compliance): array {
1452 return ['performance_score' => 80, 'metrics' => []];
1453 }
1454
1455 private function generate_optimization_recommendations(array $content_analysis, array $template_compliance, string $content_type): array {
1456 $recommendations = [];
1457
1458 // Merge recommendations from different sources
1459 if (!empty($content_analysis['recommendations'])) {
1460 $recommendations = array_merge($recommendations, $content_analysis['recommendations']);
1461 }
1462
1463 if (!empty($template_compliance['recommendations'])) {
1464 $recommendations = array_merge($recommendations, $template_compliance['recommendations']);
1465 }
1466
1467 return $recommendations;
1468 }
1469
1470 private function identify_optimization_opportunities(array $content_analysis, array $template_compliance, string $content_type): array {
1471 return ['opportunities' => [], 'potential_impact' => 'medium'];
1472 }
1473
1474 private function generate_content_suggestions(array $content_analysis, string $content_type, array $keywords): array {
1475 return ['suggestions' => [], 'content_ideas' => []];
1476 }
1477
1478 private function generate_optimization_dashboard(string $content, array $keywords, string $content_type): array {
1479 return ['dashboard_data' => [], 'widgets' => []];
1480 }
1481
1482 private function get_content_templates_for_type(string $content_type): array {
1483 return $this->content_templates[$content_type] ?? $this->content_templates['blog_post'];
1484 }
1485
1486 private function get_performance_metrics(string $context_type, ?int $context_id): array {
1487 return ['metrics' => [], 'trends' => []];
1488 }
1489
1490 private function get_historical_performance(string $context_type, ?int $context_id): array {
1491 return ['historical_data' => []];
1492 }
1493
1494 private function calculate_performance_trends(array $historical_data, array $current_metrics): array {
1495 return ['trends' => []];
1496 }
1497
1498 private function calculate_improvement_rate(array $performance_trends): float {
1499 return 0.0;
1500 }
1501
1502 private function calculate_performance_score(array $metrics): int {
1503 return 80;
1504 }
1505
1506 private function compare_with_benchmarks(array $metrics, string $context_type): array {
1507 return ['benchmark_comparison' => []];
1508 }
1509
1510 private function store_performance_data(string $context_type, ?int $context_id, array $tracking): bool {
1511 return true;
1512 }
1513 }
1514