<?php

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

/**
 * Make Shorter Refinement Step
 * 
 * Condenses the article while keeping important points.
 */
class AIGH_Step_Refine_Make_Shorter extends AIGH_Step_Refinement_Base {
    
    protected $step_type = 'refine_make_shorter';
    protected $step_name = 'Make Shorter';
    protected $description = 'Condense the article by removing redundancy while keeping key points';
    protected $estimated_duration = 12;
    
    /**
     * Get default configuration
     *
     * @return array
     */
    protected function get_default_config() {
        return array_merge(parent::get_default_config(), array(
            'reduction_percent' => 30,  // Target reduction percentage
            'max_tokens' => 3000        // Lower token limit for shorter content
        ));
    }
    
    /**
     * Get the refinement instruction
     *
     * @return string
     */
    protected function get_refinement_instruction() {
        $percent = $this->get_config_value('reduction_percent', 30);
        return "Condense this article (reduce by {$percent}%). Remove redundancy, keep only the most important points.";
    }
    
    /**
     * Build the user prompt
     *
     * @param string $original_content
     * @param string $research_context
     * @param AIGH_Pipeline_Context $context
     * @return string
     */
    protected function build_user_prompt($original_content, $research_context, $context) {
        $prompt = "Here is the original article:\n\n{$original_content}\n\n";
        
        // Note: Research context is typically not used for making content shorter
        // but we include the option for consistency
        if (!empty($research_context)) {
            $prompt .= "\n{$research_context}\n\n";
        }
        
        $prompt .= "Refinement Task: " . $this->get_refinement_instruction();
        
        $prompt .= "\n\n";
        
        $prompt .= "Condensation Guidelines:\n";
        $prompt .= "- Remove redundant phrases and sentences\n";
        $prompt .= "- Combine similar points\n";
        $prompt .= "- Keep the most impactful statistics and examples\n";
        $prompt .= "- Maintain the core message and structure\n";
        $prompt .= "- Ensure smooth transitions remain\n";
        $prompt .= "- Preserve the introduction hook and conclusion call-to-action\n\n";
        
        $prompt .= $this->get_standard_requirements(false);
        
        return $prompt;
    }
    
    /**
     * Get configuration schema
     *
     * @return array
     */
    public function get_config_schema() {
        return array_merge(parent::get_config_schema(), array(
            'reduction_percent' => array(
                'type' => 'number',
                'label' => 'Reduction Percentage',
                'description' => 'Target percentage to reduce the content',
                'min' => 10,
                'max' => 50,
                'default' => 30
            )
        ));
    }
}